Best year time to visit Glastenbury

General weather information about Glastenbury

Average annual temperature is 5.4 °C

Absolute maximum temperature: 27.0 °C

Absolute minimum temperature: -34.8 °C

Number of sunny days: 103 days

Number of rainy days: 214 days

Number of snow days: 48 days

Look at detailed online map of Glastenbury

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

Glastenbury air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.57.67.523.624.827.025.521.525.224.310.910.4
Average daytime temperature (°C)-0.8-1.60.89.614.917.921.918.817.011.91.91.4
Average temperature (°C)-4.2-6.5-3.44.69.113.418.015.113.28.4-1.9-2.1
Average night temperature (°C)-7.5-11.4-6.90.04.29.714.912.110.35.2-5.0-4.9
Absolute minimum temperature (°C)-17.3-34.8-13.3-11.8-3.53.29.07.85.0-5.2-14.4-14.9

Glastenbury 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)9.410.511.913.414.715.315.013.912.511.09.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.36.06.58.311.610.110.610.17.96.96.64.3
Precipitation (mm)146751651107316232012713415267151
Sunny days479141632413101011
Rainy days15911151427292717211316
Snow days121211110000074

Glastenbury - weather forecast by months

Glastenbury weather in januaryGlastenbury weather in februaryGlastenbury weather in marchGlastenbury weather in aprilGlastenbury weather in mayGlastenbury weather in juneGlastenbury weather in julyGlastenbury weather in augustGlastenbury weather in septemberGlastenbury weather in octoberGlastenbury weather in novemberGlastenbury weather in december

Best time to visit Glastenbury:

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

  • May — 11.6(h)
  • June — 10.1(h)
  • July — 10.6(h)
  • August — 10.1(h)

Months with the longest average daylight duration in Glastenbury:

  • June — 15.3(h)

The largest precipitation sum in Glastenbury is at

  • July — 320(mm)

    • Weather forecast in the closest to Glastenbury admin centers

    Weather forecast in the closest towns to Glastenbury

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    Frequently asked questions

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