The black line is the percentage chance that a given day is within the growing season. The time of year with cooler water lasts for 4.5 months, from December 19 to May 3, with an average temperature below 42°F. The city averages one day a summer when the thermometer climbs above 35 °C (95 °F). In 2012, the highest temperature was 35.8°C In this report, we use a base of 50°F and a cap of 86°F. We report snowfall in liquid-equivalent terms. This section reports on the wide-area average surface temperature of that water. The month with the highest water temperature is August with 21.70°C | 71.06°F. The predominant average hourly wind direction in Hamilton is from the west throughout the year. The muggiest day of the year is July 31, with muggy conditions 30% of the time. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The drier season lasts 4.3 months, from November 21 to March 31. Home | Privacy & Cookies | Contact | About. The percentage of time spent at various humidity comfort levels, categorized by dew point. 1981-2010 Climate Normals & Averages. The coldest day of the year is January 29, with an average low of 18°F and high of 30°F. The most rain falls during the 31 days centered around September 27, with an average total accumulation of 2.4 inches. Usually November is filled with overcast skies, chilly temperatures and sometimes one or two snowstorms in Ontario and Quebec. Just one of those days, on average reaches above 35 degrees Celsius (95 °F). Environment Canada. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Temperatures below are according to the Weather Network, a source for local Canadian weather information and forecasts. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 32% on June 14. Hamilton experiences some seasonal variation in monthly liquid-equivalent snowfall. Tornado watches, thunderstorm warnings dropped for London, Ont., area. Environment Canada says the temperature at Hamilton’s John C. Munro International Airport reached a high of 31.4 C on Wednesday afternoon. The figure below shows you a compact characterization of the entire year of hourly average temperatures. Hamilton's chilliest winter nights have lows in the minus-twenties °C (below -3 °F). historical climate data web site is a gateway to information on matters such as past (hourly, daily, monthly and almanac) weather includes: temperature, snow, snow on ground, precipitation, rain, wind speed and direction, heating and cooling degree days, visibility, relative humidity, wind chill and humidex in Canada. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight. Temperatures down to -30 °C (-22 °F) are not normal here. support@__remove_this_part__weatherspark.com. In Burlington, the RBG weather station recorded a record high of 35.6 C in 1955. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. The first set of high and low temperatures are averages for 2010 to 2019. The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius. TORONTO INTL A ONTARIO Current Station Operator: NAVCAN. The least rain falls around January 27, with an average total accumulation of 0.5 inches. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Annual Weather Averages Near Hamilton. The climate in Hamilton during March can be summarized as cool and reasonably dry. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Low Temp: 16 °F. Extreme temperatures for Canada's largest cities - continued: High °C Date City Low °C Date; 37.6: Aug 1, 1975: Montreal-37.8: Jan 15, 1957: 36.5: July 8, 1988 Mont-Saint-Hilaire, Que., is the only city outside of B.C. On January 11, the cloudiest day of the year, the sky is overcast or mostly cloudy 63% of the time, and clear, mostly clear, or partly cloudy 37% of the time. The earliest sunrise is at 5:38 AM on June 14, and the latest sunrise is 2 hours, 22 minutes later at 8:01 AM on November 6. Hamilton typically has 49 frosty days a year. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. Over the course of the year, the temperature typically varies from 18°F to 79°F and is rarely below 2°F or above 88°F. Hamilton experiences some seasonal variation in monthly rainfall. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . The windier part of the year lasts for 5.8 months, from October 26 to April 20, with average wind speeds of more than 11.2 miles per hour. February 2021 Long Range Weather Forecast for Southern Ontario; Dates Weather Conditions; Feb 1-7: A few showers, quite mild: Feb 8-15: Periods of rain and snow east, snow west; mild: Feb 16-20: Sunny, mild: Feb 21-28: Rain and snow showers east, flurries west; turning cold: February: temperature -2°C (3°C above avg.) The calmest day of the year is August 4, with an average hourly wind speed of 8.3 miles per hour. Just one of those days, on average reaches above 35 degrees Celsius (95 °F). A temperature of 30.6 C was recorded in the city Saturday, beating the previous record of 29.2 set back in 1931. At an average temperature of 21.8 °C | 71.2 °F, July is the hottest month of the year. Based on the tourism score, the best time of year to visit Hamilton for warm-weather activities is from late June to early September. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The day of the year with the warmest water is August 8, with an average temperature of 72°F. Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. Forecasts show an upcoming slight dip in temperatures in southern Ontario and Quebec, with daily highs between 27 C and 30 C from Saturday through Monday. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. 2016. Mild Toronto day breaks 36-year-old temperature … The thin dotted line is the corresponding average liquid-equivalent snowfall. The average hourly temperature, color coded into bands. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end. The growing season in Hamilton typically lasts for 6.3 months (192 days), from around April 19 to around October 29, rarely starting before April 2 or after May 6, and rarely ending before October 10 or after November 15. Frost normally returns here on October 15. The hottest day of the year is July 20, with an average high of 79°F and low of 64°F. Hamilton Snowfall Totals & Accumulation Averages, Precipitation Averages for Places in Ontario. John C. Munro Hamilton International Airport, MERRA-2 Modern-Era Retrospective Analysis. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Average annual temperatures for cities, towns and parks throughout Ontario are given below. Windsor, Ontario: average annual temperature of 14.4°C Next on our list is Windsor, the southernmost city of Canada, located right by the border with the United States, opposite Detroit. The average liquid-equivalent snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The windiest day of the year is January 12, with an average hourly wind speed of 14.1 miles per hour. Weather. See average monthly temperatures below. The muggier period of the year lasts for 3.4 months, from June 9 to September 22, during which time the comfort level is muggy, oppressive, or miserable at least 8% of the time. Hottest temperature for Hamilton since July 17th 2012. The numbers here tell you how hot and cold the weather usually is in Hamilton, Ontario during each month of the year. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. TC ID: YYZ . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. High Temp: 80 °F. Lower dew points feel drier and higher dew points feel more humid. The city averages just two nights a year, usually in January and February, when the thermometer drops that low. Weather data is prone to errors, outages, and other defects. Hamilton experiences significant seasonal variation in the perceived humidity. The frost-free period extends for 177 days on average between the final spring frost and the first fall frost. Based on weather reports collected during 1985–2015. The average hourly wind speed in Hamilton experiences significant seasonal variation over the course of the year. Daytime maximum temperatures average around a cold 4°C (39°F), whilst at night -4°C (25°F) is normal. Lowest temperature readings. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. The shaded overlays indicate night and civil twilight. For the purposes of this report, the geographical coordinates of Hamilton are 43.250 deg latitude, -79.850 deg longitude, and 292 ft elevation. Hamilton is located near a large body of water (e.g., ocean, sea, or large lake). The warm season lasts for 3.6 months, from June 1 to September 18, with an average daily high temperature above 70°F. The area within 2 miles of Hamilton is covered by artificial surfaces (91%), within 10 miles by cropland (24%) and artificial surfaces (22%), and within 50 miles by cropland (30%) and water (29%). The temperatures seen on July 7, 8, and 9 are still the hottest ever recorded in Toronto. The previous record was –23.3 C, which was set at a lower city weather station. The chance of wet days in Hamilton varies throughout the year. Check average temperature, sunshine & rainfall plus more in Hamilton, Ontario The following charts outline average low/high temperatures for major cities in Canada, going—more or less—west to east. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Related Data. Hot spot in Ontario: -1.4 °C 29.5 °F Point Pelee. Hamilton Weather averages for holidays in 2021/2022. Hot spot in Canada: 7.3 °C 45.1 °F Fanny Island, BC. However, the coldest temperature ever recorded in Canada was −63 °C or −81.4 °F in Snag, Yukon. The topography within 2 miles of Hamilton contains only modest variations in elevation, with a maximum elevation change of 459 feet and an average elevation above sea level of 396 feet. Click on each chart for more information. Get the monthly weather forecast for Hamilton, Ontario, Canada, including daily high/low, historical averages, to help you plan ahead. The darker period of the year lasts for 3.5 months, from October 31 to February 14, with an average daily incident shortwave energy per square meter below 2.4 kWh. The coldest day of the year is January 29, with an average low of 18°F and high of 30°F. The time of year with warmer water lasts for 3.0 months, from June 27 to September 27, with an average temperature above 65°F. Maximums and minimums are only part of the temperature picture. The hottest day of the year is July 20, with an average high of 79°F and low of 64°F. The snowy period of the year lasts for 4.5 months, from November 24 to April 8, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Based on this score, the best time of year to visit Hamilton for hot-weather activities is from early July to mid August, with a peak score in the last week of July. Days of Hot Weather in Hamilton Hamilton usually has 18 days a year with temperatures in the 30s Celsius. To characterize how pleasant the weather is in Hamilton throughout the year, we compute two travel scores. The cloudier part of the year begins around October 29 and lasts for 7.0 months, ending around May 29. Climate of Toronto, Ontario Toronto has a semi-continental climate, with a warm, humid summer and a cold winter. Copyright © 2021 Current Results Publishing Ltd. To the surprise of absolutely no one, December was the warmest on record for much of Ontario, including Toronto, Environment Canada said Friday. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. The annual water temperature for Hamilton (Lake Ontario) is on average 10.30°C | 50.54°F. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. On August 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 67% of the time, and overcast or mostly cloudy 33% of the time. The number of hours during which the Sun is visible (black line). Time zones for airports and weather stations are provided by AskGeo.com . The 30-degree weather can show up here anytime from May to September, and occasionally as early as April. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. Hanawa, Japan (6,147 miles away) is the far-away foreign place with temperatures most similar to Hamilton (view comparison). Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. March is in the spring in Hamilton and is typically the 4th coldest month of the year. Today the Hamilton Airport reached 34.8°C. After that, though, it … Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The brightest day of the year is June 30, with an average of 6.9 kWh. The day of the year with the coolest water is February 27, with an average temperature of 34°F. 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Toronto, Ontario, Canada, including daily high/low, historical averages, Precipitation averages for Places in Ontario -1.4...