summer precipitation slightly decreased in a couple of locations in the central and northeastern Ontario. Finally, the spatial distribution maps of the PAP trends for the period 1979-2016 were generated with GIS software. All Year Climate & Weather Averages in Ontario. Results show that averaged over the province, precipitation has increased at both annual and seasonal scales. (2015). 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. are presented for each location. (basin definition in [4]). The warmest month is August with an average maximum temperature of 29°C (84°F). Here is the average precipitation. Northern Canada experienced the highest relative increase in precipitation. Napanee, Ontario, Canada - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at Napanee, Canada. The US average is 205 sunny days. Toronto, Ontario, Canada - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at Toronto, Canada. Average (mean) annual precipitation increased in Canada from 1948 to 2012. 1981-2010 Climate Normals & Averages. 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. Precipitation is generally less than 70 cm (28 in) and peaks in the summer months in the form of showers or thunderstorms. The average amount of annual precipitation is: 999.9 mm (39.37 in) Data is available for all Environment Canada locations throughout Ontario and the rest of the provinces. Environment Canada. Over the course of the year, the temperature typically varies from 22°F to 93°F and is … Station Data. Ontario averages 0 inches of snow per year. It rarely gets really warm here and you can safely leave your swimwear at home. The tables below give monthly averages for rainfall plus snowfall during January at cities, towns and parks in Ontario. [3]Madsen, H., Lawrence, D., Lang, M., Martinkova, M., & Kjeldsen, T. R. (2014). 34, 623–642 (2014). Severe thunderstorms peak in summer. Monthly averages Ontario Longitude: -117.651, Latitude: 34.0633 Average weather Ontario, CA - 91798. Map of projected climate change in Canada. Precipitation is generally less than 70 cm (28 in) and peaks in the summer months in the form of showers or thunderstorms. In June, the precipitation reaches its peak, with an average of 89 mm | 3.5 inch. [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. Ontario is one of the warmest region in Canada with an average daily high temperature of 12 degrees centigrade. Frozen precipitation is measured according to its liquid equivalent: 10 cm of snow is usually about 10 mm of precipitation. This figure was generated by LAMPS, York University. The climate is much more unsettled than in central Europe and offers varied seasons with deep winters and warm summers. Trend of precipitation anomaly percentage change over the world for the period 1979-2016. Here are the average temperatures. However, at least, the days here are not as … Ministry of Natural Resources and Forestry, (CCRR-44). summer precipitation increased by 4.3%(~1.2%/10Y) and winter precipitation increased by 24%(~6.6%/10Y). doi:10.1002/joc.3711. What has happened in Ontario in the last four decades? Precipitation amounts to 245 millimeters (9.6 inches) per year: it is therefore scarce. Average annual precipitation is about 30 inches (800 mm) in Toronto and 40 inches (1,000 mm) in Montreal. … In this report, PAPs of seasonal (summer and winter) Copyright © 2021 Current Results Publishing Ltd. Station Data. The US average is 28 inches of snow per year. Averages are for Thunder Bay, which is 4 miles from Thunder Bay. and what is the spatial pattern of the trends for seasonal and annual precipitation in Ontario? The most significant increases occurred at south of the Nelson River Basin and west of the Hudson Bay Basin. using Weatherbase's weather averages and normals. Seasonal and annual total precipitation amounts were calculated using the most updated high-resolution monthly climatic data in Ontario. The most significant increases happened in winter with maximum trends Int. In this study we only used the precipitation data over Ontario from 1979 to 2016. 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 The US average is 28 inches of snow per year. at south of the Hudson Bay Basin (~13%/10Y) and south of the Nelson River Basin (11%/10Y) London, situated in Southern (Southwestern) Ontario, has the most lightning strikes per year in Canada, averaging 34 days of thunderstorm activity per year. London, situated in Southern (Southwestern) Ontario, has the most lightning strikes per year in Canada, averaging 34 days of thunderstorm activity per year. The longest days in Ontario are in June, with an average of 15.7 hours of daylight per day.December has the shortest days with an average of 8.7 hours of daylight per day.. Climate Data Online Precipitation Anomaly Percentage (PAP) is a simple drought indicator. Global average of over-land annual total precipitation has increased by ~2.5%/10Y, Climatic Research Unit (CRU) TS v. 4.01 data. Ontario averages 13 inches of snow per year. The annual rainfall is 398 mm | 15.7 inch. Showing: All Year January February March April May June July August September October November December. Ontario gets some kind of precipitation, on average, 31 days per year. 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. 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 The data used for Severe thunderstorms peak in summer. 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. 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 … This location is classified as Csa by Köppen and Geiger. Annual average precipitation in Canada for the year 2014 was 2% below the 1961-1990 reference value. Global average of over-land annual total precipitation has increased by ~2.5%/10Y although changes vary significantly from region to region. we used unit percent per decade (%/10Y) by multiplying the regression coefficient (b) by 10: The calculation was carried out for all of the grid cells in Ontario. Precipitation is rain, snow, sleet, or hail that falls to the ground. PAP time series are fitted with linear regression[3]: Where, a and b are regression coefficients; t=1979,1980,...,2016 is time (year);the last term is error. 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). There is more rainfall in the winter than in the summer in Ontario. On average, there are 279 sunny days per year in Ontario. Past weather data includes: temperature, snow, snow on ground, precipitation, rain, wind speed and direction, heating and cooling degree days, visibility, humidex, wind chill and relative humidity … Average Weather in Ontario Oregon, United States. The US average is 205 sunny days. although changes vary significantly from region to region. This brief report includes data description, trend analysis methodology, results and a summary. In Ontario, the summers are hot and mostly clear; the winters are short, freezing, and partly cloudy; and it is dry year round. Canadian Climate Normals. You can jump to a separate table for each section of the province: Eastern, Central, Southwestern, Northeastern and Northwestern Ontario. On average, there are 207 sunny days per year in Ontario. which is supposed to improve reanalysis datasets, including the CRU data used in this study. Ontario gets some kind of precipitation, on average, 79 days per year. February is the most wet month. What has happened in Ontario in the last four decades? Bradford, Ontario - Travel and vacation weather averages, current conditions and forecasts. Our previous analysis has revealed that annual precipitation averaged over the Province of Ontario has been increasing since 1901 and is expected to continue the increase trend in the future[1]; In 2014, global precipitation was 0.52 millimetres or 0.05% below the 1961-1990 reference value. Map of the three primary watersheds in Ontario: Hudson Bay (yellow), Nelson River (blue), Global average of over-land annual total precipitation has increased by ~2.5%/10Y The long term average value is currently defined as the average amount over the period of 1981 – 2010. [4]McDermid, J., Fera, S., & Hogg, A. The calculation of days only includes the days when precipitation totalled at least 0.2 millimetres (0.008 inches). Here is the average precipitation. Decreasing trends are rarely found in the province, for example, Normals are based on records from 1971 to 2000. Meteorological Service of Canada. standard deviation (Std), minimum (Min) and Maximum (Max) over Ontario. significant amount of satellite data became available since 1979, Plan your travel to Ontario, Canada. It ranges from 5 mm (0.2 in) in the driest months (July, August) to 35 mm (1.4 in) in the wettest ones (January, December). Over the course of the year, the temperature typically varies from 44°F to 93°F and is rarely below 37°F or above 102°F.. Based on the tourism score, the best time of year to visit Ontario for warm-weather activities is from … Climate change projections for Ontario: an updated synthesis for policymakers and planners. Significant increases in precipitation were also observed in parts of southern Canada, including eastern Manitoba, western and southern Ontario, and Atlantic Canada. J. Climatol. The month's total precipitation is an average of weather data collected during 1981 to 2010. Precipitation in Canada decreased to 32.85 mm in December from 36.85 mm in November of 2015. A Chart with Annual City Climate Statistics for Ontario Canada, including Yearly Average Rainfall and Yearly Average Temperatures for Cities in Ontario. The main reason for starting from 1979 is that, Review of trend analysis and climate change projections of extreme precipitation and floods in Europe. The total amount of rain, drizzle, snow, sleet, etc. Monthly: 1981-2010 normals History: 2015-2019 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. Realtime weather, 14 day weather forecast, historical weather at Napanee Monthly Climate Averages. In Ontario, the average annual temperature is 17.9 °C | 64.3 °F. this report will focus on the spatial distribution of precipitation trends in the recent four decades based on most up-to-date historical data. the five sub-basins on the Great Lakes Basin. Average Weather in Ontario California, United States. Low Temp: 22 °F. Abstract: From 1979 to 2016, Ontario’s annual total precipitation increased by 7.6%(~2.0%/10Y), 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. Journal of Hydrology, 519, 3634-3650. A simple drought indicator, precipitation anomaly percentages (PAPs), were derived and their linear trends were estimated. 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. Realtime weather, 14 day weather forecast, historical weather at Toronto Monthly Climate Averages. Ontario has dry periods in May, June, July, August, September and October. The spatial distributions of annual and seasonal (Summer and Winter) PAP trends are shown as following. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation. High Temp: 94 °F. Values in the following table are based on trends at all the 8964 grid cells: average (Mean), The map shows the 30-year average of the total precipitation for the time period under consideration (e.g., season, year). Monthly summaries of precipitation, temperature, snow fall etc. In Ontario, the summers are hot, arid, and clear and the winters are long, cool, and partly cloudy. Monthly: 1981-2010 normals and what is the spatial pattern of the trends for seasonal and annual precipitation in Ontario? . The wettest month is July with an average of 60mm of rain. Precipitation is rain, snow, sleet, or hail that falls to the ground. The months of January and February have a high chance of precipitation. Climate Change Research Report-Ontario Home | Privacy & Cookies | Contact | About. Based on weather reports collected during 1985–2015. Based on weather reports collected during 1985–2015. The coldest month is December with an average maximum temperature of 19°C (67°F). 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. Annual Weather Averages Near Thunder Bay. The driest month is February, with 47 mm | 1.9 inch of rainfall. Monthly averages Ontario Longitude: -117.013, Latitude: 44.0194 Average weather Ontario, OR - 97914. 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