Best year time to visit Theresa

General weather information about Theresa

Average annual temperature is 3.4 °C

Absolute maximum temperature: 31.0 °C

Absolute minimum temperature: -31.1 °C

Number of sunny days: 171 days

Number of rainy days: 123 days

Number of snow days: 71 days

Look at detailed online map of Theresa

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

Theresa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.25.73.218.529.731.029.425.729.627.58.36.4
Average daytime temperature (°C)-8.4-8.5-3.23.518.124.123.121.820.09.20.1-0.8
Average temperature (°C)-12.0-12.9-8.2-1.310.117.017.616.614.66.2-3.2-4.4
Average night temperature (°C)-15.7-17.3-12.6-4.83.611.313.212.710.63.9-6.3-7.4
Absolute minimum temperature (°C)-30.5-31.1-19.6-16.1-2.84.69.77.66.6-6.9-17.5-15.3

Theresa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.815.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)3.65.48.46.210.911.112.09.28.64.13.32.3
Precipitation (mm)2741411093633416639754929
Sunny days17122111211712121651017
Rainy days020109131919142368
Snow days1414109100003146

Theresa - weather forecast by months

Theresa weather in januaryTheresa weather in februaryTheresa weather in marchTheresa weather in aprilTheresa weather in mayTheresa weather in juneTheresa weather in julyTheresa weather in augustTheresa weather in septemberTheresa weather in octoberTheresa weather in novemberTheresa weather in december

Best time to visit Theresa:

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

  • May — 10.9(h)
  • June — 11.1(h)
  • July — 12.0(h)
  • August — 9.2(h)

Months with the longest average daylight duration in Theresa:

  • May — 15.4(h)
  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Theresa is at

  • April — 109(mm)
  • August — 66(mm)
  • October — 75(mm)

    • Weather forecast in the closest to Theresa admin centers

    Weather forecast in the closest towns to Theresa

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    Frequently asked questions

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