Best year time to visit Thetis Island

General weather information about Thetis Island

Average annual temperature is 11.2 °C

Absolute maximum temperature: 35.0 °C

Absolute minimum temperature: -5.5 °C

Number of sunny days: 156 days

Number of rainy days: 204 days

Number of snow days: 5 days

Look at detailed online map of Thetis Island

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

Thetis Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.89.714.321.529.027.530.035.026.022.714.812.2
Average daytime temperature (°C)6.86.28.910.820.721.625.126.020.114.89.58.6
Average temperature (°C)5.03.65.17.115.716.620.020.915.711.16.96.5
Average night temperature (°C)3.41.92.34.411.912.515.516.712.48.54.74.9
Absolute minimum temperature (°C)-2.5-5.5-4.4-0.65.98.112.911.77.7-1.41.61.7

Thetis Island 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)8.810.211.913.715.316.115.714.312.610.89.28.3
Daylight minimum duration (h)8.09.010.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)2.23.57.06.312.112.513.711.88.56.44.72.2
Precipitation (mm)160133981823542193676181177257
Sunny days6485201826201217137
Rainy days24202325111251118141724
Snow days140000000000

Thetis Island - weather forecast by months

Thetis Island weather in januaryThetis Island weather in februaryThetis Island weather in marchThetis Island weather in aprilThetis Island weather in mayThetis Island weather in juneThetis Island weather in julyThetis Island weather in augustThetis Island weather in septemberThetis Island weather in octoberThetis Island weather in novemberThetis Island weather in december

Best time to visit Thetis Island:

The best time to visit Thetis Island during the most sunny months:

  • May — 12.1(h)
  • June — 12.5(h)
  • July — 13.7(h)
  • August — 11.8(h)

Months with the longest average daylight duration in Thetis Island:

  • June — 16.1(h)
  • July — 15.7(h)

The largest precipitation sum in Thetis Island is at

  • January — 160(mm)
  • April — 182(mm)
  • October — 181(mm)
  • November — 177(mm)
  • December — 257(mm)

    • Weather forecast in the closest to Thetis Island admin centers

    Weather forecast in the closest towns to Thetis Island

    Explore Thetis Island

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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