July is the hottest month in Toronto with an average temperature of 21°C (70°F) and the coldest is January at -2.5°C (28°F) with the most daily sunshine hours at 11 in July. and what is the spatial pattern of the trends for seasonal and annual precipitation in Ontario? Ontario averages 13 inches of snow per year. In this study we only used the precipitation data over Ontario from 1979 to 2016. Monthly averages Ontario Longitude: -117.651, Latitude: 34.0633 Average weather Ontario, CA - 91798. Map of projected climate change in Canada. Trend of precipitation anomaly percentage change over the world for the period 1979-2016. The US average is 28 inches of snow per year. The coldest month is December with an average maximum temperature of 19°C (67°F). Monthly summaries of precipitation, temperature, snow fall etc. Percent of Average Precipitation products compute the accumulated precipitation value for a location and divide it by the long term average value at that location. The month's total precipitation is an average of weather data collected during 1981 to 2010. … All Year Climate & Weather Averages in Ontario. The historical weather data, forecast and current conditions graphics are courtesy of Environment and Climate Change Canada.The information presented is combined from multiple Environment and Climate Change Canada data sources and all effort is made to be accurate. In 2014, global precipitation was 0.52 millimetres or 0.05% below the 1961-1990 reference value. Bradford, Ontario - Travel and vacation weather averages, current conditions and forecasts. [3]Madsen, H., Lawrence, D., Lang, M., Martinkova, M., & Kjeldsen, T. R. (2014). Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation. Monthly: 1981-2010 normals History: 2015-2019 The main reason for starting from 1979 is that, Finally, the spatial distribution maps of the PAP trends for the period 1979-2016 were generated with GIS software. Precipitation is generally less than 70 cm (28 in) and peaks in the summer months in the form of showers or thunderstorms. Average (mean) annual precipitation increased in Canada from 1948 to 2012. The US average is 28 inches of snow per year. Over the course of the year, the temperature typically varies from 22°F to 93°F and is … The long term average value is currently defined as the average amount over the period of 1981 – 2010. Ontario and Quebec have more rainfall than the interior plains because the air masses pick up water vapour from the Great Lakes, Hudson Bay, the Atlantic Ocean, and the Gulf of Mexico. Average annual precipitation; Days Place Inches Milli­metres; 181: Chapleau: 31.9: 809: 159: Gore Bay: 31.7: 804: 191: Kapuskasing: 32.7: 830: 172: Moosonee: 27.7: 704: 180: North Bay: 41.1: 1045: 176: Sault Ste Marie: 35.3: 898: 149: South Baymouth: 35.8: 910: 167: Sudbury: 35.6: 903: 184: Timmins: 32.9: 835: 170: Wawa: 38.2: 970 Monthly: 1981-2010 normals It rarely gets really warm here and you can safely leave your swimwear at home. Ontario gets some kind of precipitation, on average, 31 days per year. The US average is 205 sunny days. Abstract: From 1979 to 2016, Ontario’s annual total precipitation increased by 7.6%(~2.0%/10Y), Winter in Toronto runs from late November to mid-March and is cold: the average temperature, about -5.5 °C (22 °F) in January, is similar to that of northern European cities like Oslo. The wettest month is July with an average of 60mm of rain. Based on weather reports collected during 1985–2015. However, at least, the days here are not as … The US average is 205 sunny days. This brief report includes data description, trend analysis methodology, results and a summary. Climate data web site is a gateway to information on matters such as past weather, climate normals, historical radar, almanac averages and extremes, and engineering climate data. A simple drought indicator, precipitation anomaly percentages (PAPs), were derived and their linear trends were estimated. Values in the following table are based on trends at all the 8964 grid cells: average (Mean), Precipitation Anomaly Percentage (PAP) is a simple drought indicator. the five sub-basins on the Great Lakes Basin. Average Weather in Ontario Oregon, United States. Annual Weather Averages Near Thunder Bay. Results show that averaged over the province, precipitation has increased at both annual and seasonal scales. Ontario has dry periods in May, June, July, August, September and October. This location is classified as Csa by Köppen and Geiger. Climate Data Online standard deviation (Std), minimum (Min) and Maximum (Max) over Ontario. [4], [1]OCDP,2017,Historical and Projected climate Trends over Ontario click here, [2]I. Harris, P. D. Jones, T. J. Osborn, D. H. Lister, Updated high-resolution grids of monthly climatic observations—the CRU TS3.10 dataset. The total amount of rain, drizzle, snow, sleet, etc. Precipitation is generally less than 70 cm (28 in) and peaks in the summer months in the form of showers or thunderstorms. On average, there are 207 sunny days per year in Ontario. In Ontario, the summers are hot, arid, and clear and the winters are long, cool, and partly cloudy. Severe thunderstorms peak in summer. Northern Canada experienced the highest relative increase in precipitation. Global average of over-land annual total precipitation has increased by ~2.5%/10Y, Climatic Research Unit (CRU) TS v. 4.01 data. The data used for Canadian Climate Normals. significant amount of satellite data became available since 1979, Realtime weather, 14 day weather forecast, historical weather at Napanee Monthly Climate Averages. The annual rainfall is 398 mm | 15.7 inch. Here is the average precipitation. and annual total precipitation are calculated using the following equation: Where,Pr is the precipitation of a certain period (a season or a year), mPr is the long-term (25 years for 1981-2005) average precipitation of the period. London, situated in Southern (Southwestern) Ontario, has the most lightning strikes per year in Canada, averaging 34 days of thunderstorm activity per year. Ontario’s 2020 wildland fire season officially ended on October 31, closing a season well below Ontario’s 10 year average in total number of … Review of trend analysis and climate change projections of extreme precipitation and floods in Europe. Station Data. London, situated in Southern (Southwestern) Ontario, has the most lightning strikes per year in Canada, averaging 34 days of thunderstorm activity per year. at south of the Hudson Bay Basin (~13%/10Y) and south of the Nelson River Basin (11%/10Y) doi:10.1002/joc.3711. There is more rainfall in the winter than in the summer in Ontario. Meteorological Service of Canada. Plan your travel to Ontario, Canada. The tables below give monthly averages for rainfall plus snowfall during January at cities, towns and parks in Ontario. Int. Seasonal and annual total precipitation amounts were calculated using the most updated high-resolution monthly climatic data in Ontario. Ontario averages 0 inches of snow per year. A Chart with Annual City Climate Statistics for Ontario Canada, including Yearly Average Rainfall and Yearly Average Temperatures for Cities in Ontario. Precipitation in Canada averaged 37.72 mm from 1901 until 2015, reaching an all time high of 71.16 mm in July of 1993 and a record low of 14.32 mm in February of 1978. (basin definition in [4]). and Great Lakes (purple) basins, with the locations of cities shown for reference and a call out map of trend calculation is the CRU 4.01 (unit in the map:%/10Y). Average annual precipitation is about 30 inches (800 mm) in Toronto and 40 inches (1,000 mm) in Montreal. using Weatherbase's weather averages and normals. In June, the precipitation reaches its peak, with an average of 89 mm | 3.5 inch. Average monthly precipitation in January; Days Place Inches Milli­metres; 15: Belleville: 2.7: 67: 14: Cornwall: 3.0: 76: 16: Kingston: 2.6: 65: 16: Ottawa: 2.5: 63: 17: Pembroke: 1.9: 48 : % /10Y ) of snow is usually about 10 mm of precipitation, temperature, snow fall etc average... Period under consideration ( e.g., season, year ) data description trend. 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