Best year time to visit Glenallen

General weather information about Glenallen

Average annual temperature is 9.5 °C

Absolute maximum temperature: 32.7 °C

Absolute minimum temperature: -28.9 °C

Number of sunny days: 158 days

Number of rainy days: 185 days

Number of snow days: 22 days

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

Glenallen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.312.512.928.829.532.730.727.030.927.116.114.8
Average daytime temperature (°C)3.73.55.714.419.622.526.423.921.416.86.96.2
Average temperature (°C)0.0-1.91.08.613.317.221.919.317.212.32.52.0
Average night temperature (°C)-3.4-6.6-3.14.07.613.018.215.614.18.8-0.8-0.8
Absolute minimum temperature (°C)-12.0-28.9-7.9-3.71.26.212.312.48.8-0.3-7.0-7.8

Glenallen 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)9.510.511.913.414.615.315.013.912.511.19.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)4.16.47.38.311.59.410.09.57.57.36.95.1
Precipitation (mm)14846130687715021217515410249159
Sunny days111413151858913162016
Rainy days1581115132523221715813
Snow days567000000022

Glenallen - weather forecast by months

Glenallen weather in januaryGlenallen weather in februaryGlenallen weather in marchGlenallen weather in aprilGlenallen weather in mayGlenallen weather in juneGlenallen weather in julyGlenallen weather in augustGlenallen weather in septemberGlenallen weather in octoberGlenallen weather in novemberGlenallen weather in december

Best time to visit Glenallen:

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

  • May — 11.5(h)
  • July — 10.0(h)

Months with the longest average daylight duration in Glenallen:

  • June — 15.3(h)

The largest precipitation sum in Glenallen is at

  • July — 212(mm)
  • August — 175(mm)
  • September — 154(mm)
  • December — 159(mm)

    • Weather forecast in the closest to Glenallen admin centers

    Weather forecast in the closest towns to Glenallen

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    Frequently asked questions

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