Frost normally returns here on October 6. As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. 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 highest chance of a day with rain alone is 38% on July 2. About twice a decade, a day heats up above 35 degrees Celsius (95 °F). A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. NOAA National Centers for Environmental Information. The thin dotted line is the corresponding average liquid-equivalent snowfall. support@__remove_this_part__weatherspark.com.

Based on this categorization, the most common form of precipitation in Ottawa changes throughout the year.

Copyright © 2020 Current Results Publishing Ltd. Canadian Climate Normals. The city averages 17 nights a year, most often in January, when the thermometer drops that low. The snowy period of the year lasts for 5.9 months, from October 26 to April 23, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. Ottawa typically has 150 days a year when the minimum temperature is at 0 °C or below. Click on a day in the calendar to see weather records and other details.

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The shaded overlays indicate night and civil twilight. Everything else here is based on 1981 to 2010 weather. The historical weather data, forecast and current conditions graphics are courtesy of Environment and Climate Change Canada. Daylight saving time (DST) is observed in Ottawa during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. 1981-2010 Climate Normals & Averages.

There are also monthly and yearly counts of days with frost and cold weather. Ont., which is 7 miles from Ottawa. The topography within 2 miles of Ottawa contains only modest variations in elevation, with a maximum elevation change of 131 feet and an average elevation above sea level of 209 feet. The black line is the percentage chance that a given day is within the growing season. Comments are welcome while open. © 2020 The Weather Network Pelmorex Weather Networks.

Over the course of the year, the temperature typically varies from 6°F to 80°F and is rarely below -13°F or above 88°F. Back on Wednesday, Nov. 6, the high in Ottawa almost reached 10 C. Yesterday's high of 0.3 C was just the second time since Remembrance Day Ottawa climbed above 0 C and it only did so for about two hours in the middle of the afternoon. 2019: 2018: The highest day temperature in August 2020 was 86°F. 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 .

Monthly: 1981-2010 normals History: 2007-2019

Thursday night could spell the end of the streak, with an overnight low of 2 C matching that day's high and topping the average low for Nov. 21 of -4 C. Rain or snow is expected that night into a Friday with a high of 4 C, above the average of 3 C. It's essentially the same forecast in Pembroke, albeit with precipitation that may start slightly earlier. The earliest sunrise is at 5:13 AM on June 15, and the latest sunrise is 2 hours, 29 minutes later at 7:42 AM on January 2. This month's average temperature is -3.3 C. Seasonal normals drop by a few tenths of a degree every day and are now at 4 C in the day and -4 C at night.

Click on each chart for more information. On January 5, the cloudiest day of the year, the sky is overcast or mostly cloudy 70% of the time, and clear, mostly clear, or partly cloudy 30% of the time. The predominant average hourly wind direction in Ottawa varies throughout the year. Jay Lawrimore.

The percentage of time spent at various humidity comfort levels, categorized by dew point. The coldest day of the year is January 29, with an average low of 6°F and high of 22°F. The muggiest day of the year is July 19, with muggy conditions 19% of the time. The smallest chance of a wet day is 20% on January 29. To fill in the rest, there's information on how many days a month get above or below a given temperature. The most rain falls during the 31 days centered around June 24, with an average total accumulation of 3.0 inches. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The growing season in Ottawa typically lasts for 5.4 months (162 days), from around April 29 to around October 9, rarely starting before April 13 or after May 16, and rarely ending before September 22 or after October 25. A storm system will bring widespread hazardous weather to the West starting today through the weekend. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

On August 7, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 64% of the time, and overcast or mostly cloudy 36% of the time.

The climate data come from weather measurements made near downtown Ottawa. Ottawa usually has 12 days a year with temperatures in the low 30s Celsius. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. The percentage of time spent in various temperature bands. This report illustrates the typical weather in Ottawa, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The most snow falls during the 31 days centered around December 23, with an average total liquid-equivalent accumulation of 1.3 inches.

The shaded overlays indicate night and civil twilight. Then there's information on how much rain and snow actually landed during recent years, as well as how often Ottawa had wet or snowy weather. The frost-free period extends for 158 days on average between the final spring frost and the first fall frost. To find out how often it rises over 10, 20 or 30 °C each month in Ottawa, scroll down farther. Historical Climate Data. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The darker period of the year lasts for 3.5 months, from October 27 to February 12, with an average daily incident shortwave energy per square meter below 2.3 kWh. The chance of wet days in Ottawa varies throughout the year. The wind is most often from the north for 1.2 months, from March 13 to April 19, with a peak percentage of 32% on March 15. Averages are for Ottawa Int'L. The brighter period of the year lasts for 3.5 months, from May 4 to August 21, with an average daily incident shortwave energy per square meter above 5.6 kWh. They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. The first set of high and low temperatures are averages for 2010 to 2019. Monthly averages Ottawa Longitude: -95.2528, Latitude: 38.539 Average weather Ottawa, KS - 66067. Our meteorologists have compiled years of weather data to give you a sense of what to expect, but please note these are averages and can differ greatly from our forecast predictions. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. Ottawa typically has 74 frosty days a year. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Over the course of the year, the temperature typically varies from 6°F to 80°F and is rarely below -13°F or above 88°F.. Based on the tourism score, the best time of year to visit Ottawa for warm-weather activities is from late June to late August. The hottest day of the year is July 19, with an average high of 80°F and low of 61°F. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The drier season lasts 3.9 months, from December 13 to April 8. Copyright © 2020 Current Results Publishing Ltd. 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.

Clouds over a field near Shawville, Que., Nov. 1, 2019, the end of a week with high temperatures that topped 18 C in Ottawa. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.

:-) The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Cornwall and Maniwaki will have slightly colder nights tonight and tomorrow with lows approaching -10 C. Maniwaki shouldn't get as high above the freezing mark later this week as areas further to the south. Don't make life or death decisions based on the information you find here. Pseudonyms will no longer be permitted.

The wettest month is July with an average of 90mm of rain. From November to April, it can remain below freezing here all day long.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius.

The number of days with precipitation counts the days when rainfall or snowfall (when melted) amounted to 0.254 millimeters (0.01 inches) or more.

Everything else here is based on 1981 to 2010 weather.

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Ottawa. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The least muggy day of the year is December 2, when muggy conditions are essentially unheard of. 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. Based on weather reports collected during 1985–2015. A series of tables gives data by year for temperature, precipitation and snowfall. This table gives the total precipitation that fell on Ottawa during each year from 2010.

For the purposes of this report, the geographical coordinates of Ottawa are 45.411 deg latitude, -75.698 deg longitude, and 256 ft elevation.

The information presented is combined from multiple Environment and Climate Change Canada data sources and all effort is made to be accurate.

Average Weather in Ottawa Canada. The least rain falls around February 6, with an average total accumulation of 0.5 inches. The average date for the last frost in spring is April 29. Gusty to high winds will cause some areas of power outages and critical fire weather conditions while incoming colder air behind the storm will result in heavy snow across the western mountains and northern Plains.

High Temp: 80 °F. 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. (Canadian Press) Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. Canada Resorts: 2016. Use this monthly calendar to view weather averages, such as average temperature 14 days ahead of today, as well as the historical weather patterns over the past year.

The windier part of the year lasts for 4.4 months, from December 9 to April 23, with average wind speeds of more than 5.5 miles per hour.