Best year time to visit Town of Charlestown

General weather information about Town of Charlestown

Average annual temperature is 12.0 °C

Absolute maximum temperature: 30.0 °C

Absolute minimum temperature: -21.2 °C

Number of sunny days: 164 days

Number of rainy days: 197 days

Number of snow days: 4 days

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* Weather data for Town of Charlestown United States is based on climate observations for 2026 year

Town of Charlestown air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.217.912.125.324.924.129.728.130.024.816.915.6
Average daytime temperature (°C)7.56.68.113.918.321.226.124.622.218.410.68.6
Average temperature (°C)4.22.74.510.214.017.522.921.419.014.56.65.6
Average night temperature (°C)1.3-1.30.96.810.014.320.018.316.311.42.92.6
Absolute minimum temperature (°C)-3.7-21.2-3.2-0.14.58.115.815.010.56.4-3.6-5.6

Town of Charlestown monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.26.47.48.712.010.711.010.47.58.27.35.6
Precipitation (mm)1845812110268871461512586236179
Sunny days811161521811912142217
Rainy days23141515102220221817714
Snow days030000000010

Town of Charlestown - weather forecast by months

Town of Charlestown weather in januaryTown of Charlestown weather in februaryTown of Charlestown weather in marchTown of Charlestown weather in aprilTown of Charlestown weather in mayTown of Charlestown weather in juneTown of Charlestown weather in julyTown of Charlestown weather in augustTown of Charlestown weather in septemberTown of Charlestown weather in octoberTown of Charlestown weather in novemberTown of Charlestown weather in december

Best time to visit Town of Charlestown:

The best time to visit Town of Charlestown during the most sunny months:

  • May — 12.0(h)
  • June — 10.7(h)
  • July — 11.0(h)
  • August — 10.4(h)

The largest precipitation sum in Town of Charlestown is at

  • January — 184(mm)
  • September — 258(mm)
  • December — 179(mm)

    • Weather forecast in the closest to Town of Charlestown admin centers

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    Frequently asked questions

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