Best year time to visit Casco

General weather information about Casco

Average annual temperature is 6.2 °C

Absolute maximum temperature: 33.3 °C

Absolute minimum temperature: -32.1 °C

Number of sunny days: 170 days

Number of rainy days: 139 days

Number of snow days: 56 days

Look at detailed online map of Casco

* Weather data for Casco United States is based on climate observations for 2026 year

Casco air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)1.86.54.524.230.230.630.629.233.328.016.18.5
Average daytime temperature (°C)-5.1-3.60.37.920.925.624.424.621.812.13.62.2
Average temperature (°C)-8.6-9.4-5.01.913.819.419.018.916.78.1-0.7-1.2
Average night temperature (°C)-11.7-14.7-9.8-2.87.513.914.114.212.85.0-3.9-3.4
Absolute minimum temperature (°C)-31.1-32.1-19.7-13.9-1.07.49.89.03.7-6.4-14.8-12.3

Casco monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.915.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.16.87.27.411.412.112.710.47.56.04.43.1
Precipitation (mm)2340479645816272135392072
Sunny days17151611181491610121814
Rainy days23313131622152016610
Snow days121012600000367

Casco - weather forecast by months

Casco weather in januaryCasco weather in februaryCasco weather in marchCasco weather in aprilCasco weather in mayCasco weather in juneCasco weather in julyCasco weather in augustCasco weather in septemberCasco weather in octoberCasco weather in novemberCasco weather in december

Best time to visit Casco:

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

  • May — 11.4(h)
  • June — 12.1(h)
  • July — 12.7(h)
  • August — 10.4(h)

Months with the longest average daylight duration in Casco:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Casco is at

  • April — 96(mm)
  • June — 81(mm)
  • September — 135(mm)

    • Weather forecast in the closest to Casco admin centers

    Weather forecast in the closest towns to Casco

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    Frequently asked questions

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