Best year time to visit Oshawa

General weather information about Oshawa

Average annual temperature is 9.7 °C

Absolute maximum temperature: 29.3 °C

Absolute minimum temperature: -24.7 °C

Number of sunny days: 155 days

Number of rainy days: 184 days

Number of snow days: 26 days

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* Weather data for Oshawa Canada is based on climate observations for 2026 year

Oshawa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.911.110.320.325.229.328.525.428.624.812.510.9
Average daytime temperature (°C)1.63.04.212.117.022.125.123.321.815.47.35.1
Average temperature (°C)-0.8-1.80.67.512.518.621.519.718.012.54.22.7
Average night temperature (°C)-3.3-5.7-2.53.58.015.217.816.414.69.91.10.4
Absolute minimum temperature (°C)-12.5-24.7-8.5-5.91.911.313.411.18.8-1.7-4.6-6.7

Oshawa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.85.76.58.911.711.211.710.810.16.35.92.9
Precipitation (mm)8684961185698817212845591
Sunny days7121312211381121111511
Rainy days1591118101723209201418
Snow days977000000012

Oshawa - weather forecast by months

Oshawa weather in januaryOshawa weather in februaryOshawa weather in marchOshawa weather in aprilOshawa weather in mayOshawa weather in juneOshawa weather in julyOshawa weather in augustOshawa weather in septemberOshawa weather in octoberOshawa weather in novemberOshawa weather in december

Best time to visit Oshawa:

The best time to visit Oshawa during the most sunny months:

  • May — 11.7(h)
  • June — 11.2(h)
  • July — 11.7(h)
  • August — 10.8(h)
  • September — 10.1(h)

Months with the longest average daylight duration in Oshawa:

  • June — 15.4(h)

The largest precipitation sum in Oshawa is at

  • April — 118(mm)
  • June — 98(mm)

    • Weather forecast in the closest to Oshawa admin centers

    Weather forecast in the closest towns to Oshawa

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    Frequently asked questions

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