Most days of snowfall in Ottawa leave less than five centimetres (2 inches), of fresh snow on the ground. All the other numbers are long-term historical averages based on weather data gathered from 1981 to 2010 near downtown Ottawa. Weather in December » Home | Privacy & Cookies | Contact | About. Copyright © 2020 Current Results Publishing Ltd. Features. Environment and Climate Change Canada. Canadian Climate Normals. In mid-winter the snowpack averages from 21 cm deep. "Citizen Weather Observer Program" Stations. Showing: All Year Climate & Weather Averages in Ottawa… The first snowfall of winter for Ottawa usually arrives in November, but can show up as early as October. Chart and data: Snowfall - Annual data (25 years) for Ottawa (Kanata - Orléans) for Ottawa (Kanata - Orléans), Ontario, Canada The first month of the winter, December, is still a freezing cold month in Ottawa, Canada, with average temperature varying between -10.1°C (13.8°F) and -2.3°C (27.9°F). Big snowstorms of over ten cm a day normally occur about three or four times a year. Don't make life or death decisions based on the information you find here. Since then, the most amount of snow to land in one day at Ottawa is 55.9 centimetres (22.0 inches) on January 29, 1894. The first set of monthly snow totals are averages for 2010 to 2019. Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. Ottawa (Kanata - Orléans) Historical Snowfall. Historical Data. This page pulls together information on when, how much and how often Ottawa, Ontario has snow. Global Summary of the Month and Year, Version 1.0. This page gives the highest daily snowfall of each year in Ottawa and the date it occurred. If … There are data and descriptions here of how many days it snows and the total amount of snowfall that Ottawa usually gets. You can jump to a separate table for each section of the province: Eastern, Central, Southwestern, Northeastern and Northwestern Ontario. Global Summary of the Month and Year, Version 1.0. The tables below give annual averages for snowfall at major cities in Canada. There are also monthly and yearly counts of the days that Ottawa normally has heavy snowstorms and deep snow accumulated on the ground. Ottawa is normally free of snow every year from June to August. An average 16 days of the three winter months experience temperatures below −20 °C (−4 °F), or 41 days if the wind chill is considered. NOAA National Centers for Environmental Information. Copyright © 2020 Current Results Publishing Ltd. The numbers are for the total amount of new snow and how many days it snows at least 0.2 centimetres (0.08 inches) in a year. But major blizzards that dump 25 cm or more in one day are rare events that happen once a decade. NOAA National Centers for Environmental Information. The numbers are for the total amount of snow and how many days it snows in a year. Daily Almanac Monthly Almanac Recent Daily Weather Records Recent Monthly Weather Records Normals Details Extremes Details. Global Summary of the Year, Version 1.0. Embed the chart in your web page: . Yearly Snowfall Averages for Canadian Cities. The season's last snowfall typically happens in April although in some years a late skiff or even a dump of snow lands in May. On average Ottawa receives 224 cm (88 in) of snowfall annually but maintains an average 22 cm (9 in) of snowpack throughout the three winter months. 2016. The information presented is combined from multiple Environment and Climate Change Canada data sources and all effort is made to be accurate. Here's a list of yearly records for the heaviest snowfalls and snowiest days in Ottawa, Ontario Canada. Dashboard. Plus there's information on when the city can expect its first and last snowfalls of the season. Home | Privacy & Cookies | Contact | About. But major blizzards that dump 25 cm or more in one day are rare events that happen once a decade. How Many Snowstorms Ottawa Gets. Big snowstorms of over ten cm a day normally occur about three or four times a year. Trivia: Winning Cities What's new? Download Data E-mail and Twitter Updates About Nearby stations. Info. Based on weather reports collected during 1985–2015. Generally the snow cover begins to build in December and remains deep throughout most of January and February. by Liz Osborn CurrentResults.com. 241 cm: Snow for winter since October 223 cm: Average snowfall in Ottawa 50 cm: Record-breaking one-day snowfall in Ottawa on Feb. 16, 2016. If a date has a plus sign beside it that means the same amount of snow also fell on at least one other day earlier in the year. Most days of snowfall in Ottawa leave less than five centimetres (2 inches), of fresh snow on the ground. The tables below list annual averages for snowfall at cities and towns in Ontario. Send Feedback Send a Donation. These snowfall extremes were measured near downtown Ottawa and go back to 1890. Most Precipitation in a Day at Ottawa for Each Year. The information easily answers questions such as: How much snow fell in a day during the biggest snowstorm of 2019? Ont., which is 7 miles from Ottawa. However, if you find something missing or incorrect please send your feedback. Please see the "about" page for links to the official Environment and Climate Change Canada data. Averages are for Ottawa Int'L. The historical weather data, forecast and current conditions graphics are courtesy of Environment and Climate Change Canada. 2016. Environment Canada. :-) For about 115 days a year, Ottawa has at least a centimetre of snow on the ground. This page gives the highest daily snowfall of each year in Ottawa and the date it occurred. Charts. In Ottawa, the average high-temperature in December drops, from a wintry 5.4°C (41.7°F) in November, to a freezing cold -2.3°C (27.9°F). Meteorological Service of Canada. Radar Alerts Log Recent Weather Events. A freak snow flurry in September has appeared, but the snow quickly melted. Historical Climate Data. 1981-2010 Climate Normals & Averages. For 12 days a year on average, the amount of new snow totals at least five cm. Precipitation Averages for Places in Ontario. For 12 days a year on average, the amount of new snow totals at least five cm. When was the last time Ottawa got more than 35 centimetres of snow in a single day? Jay Lawrimore.