Best year time to visit Ottawa

General weather information about Ottawa

Average annual temperature is 20.8 °C

Absolute maximum temperature: 38.3 °C

Absolute minimum temperature: 7.3 °C

Number of sunny days: 186 days

Number of rainy days: 179 days

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* Weather data for Ottawa South Africa is based on climate observations for 2026 year

Ottawa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)33.938.334.233.432.430.531.228.534.429.336.733.9
Average daytime temperature (°C)28.028.027.526.624.023.222.823.324.923.426.826.3
Average temperature (°C)24.324.523.922.019.517.616.417.519.619.722.522.8
Average night temperature (°C)20.521.420.417.615.312.810.812.014.815.918.419.3
Absolute minimum temperature (°C)16.418.615.513.710.910.17.38.310.311.711.116.9

Ottawa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)14.013.012.011.010.010.010.011.012.013.013.014.0
Daylight mean duration (h)13.813.112.311.410.610.310.411.111.912.813.614.0
Daylight minimum duration (h)13.012.011.010.010.010.010.010.011.012.013.013.0
Sunshine mean duration (h)10.28.410.09.38.18.98.38.78.97.910.08.2
Precipitation (mm)165150591671918173714947159
Sunny days1761019191923201813157
Rainy days14222111121181112181524
Snow days000000000000

Ottawa - weather forecast by months

Ottawa weather in januaryOttawa weather in februaryOttawa weather in marchOttawa weather in aprilOttawa weather in mayOttawa weather in juneOttawa weather in julyOttawa weather in augustOttawa weather in septemberOttawa weather in octoberOttawa weather in novemberOttawa weather in december

Best time to visit Ottawa:

The largest precipitation sum in Ottawa is at

  • January — 165(mm)
  • February — 150(mm)
  • October — 149(mm)
  • December — 159(mm)

    • Weather forecast in the closest to Ottawa admin centers

    Weather forecast in the closest towns to Ottawa

    Explore Ottawa

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

    When is the best time to visit Ottawa?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Ottawa.
    What is the weather like in Ottawa?
    See average temperature, rainfall and daylight hours for Ottawa by month in the table above.
    How many sunny days does Ottawa have?
    The monthly weather statistics above show sunshine and rainfall patterns for Ottawa throughout the year.