Best year time to visit Glenn Dale

General weather information about Glenn Dale

Average annual temperature is 14.3 °C

Absolute maximum temperature: 37.0 °C

Absolute minimum temperature: -9.0 °C

Number of sunny days: 176 days

Number of rainy days: 186 days

Number of snow days: 3 days

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

Glenn Dale air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.723.024.029.727.632.936.733.437.027.323.815.7
Average daytime temperature (°C)10.311.913.021.522.327.431.329.626.221.113.510.6
Average temperature (°C)6.06.57.314.916.421.125.324.020.815.47.96.1
Average night temperature (°C)2.52.02.29.610.715.820.819.716.611.03.82.6
Absolute minimum temperature (°C)-3.1-9.0-4.30.74.011.718.415.611.15.2-5.2-3.4

Glenn Dale monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.914.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.16.67.39.410.810.611.810.68.18.77.65.3
Precipitation (mm)82709117132131158721435461180
Sunny days15151516151361115172216
Rainy days16121614161725201514714
Snow days010000000011

Glenn Dale - weather forecast by months

Glenn Dale weather in januaryGlenn Dale weather in februaryGlenn Dale weather in marchGlenn Dale weather in aprilGlenn Dale weather in mayGlenn Dale weather in juneGlenn Dale weather in julyGlenn Dale weather in augustGlenn Dale weather in septemberGlenn Dale weather in octoberGlenn Dale weather in novemberGlenn Dale weather in december

Best time to visit Glenn Dale:

The best time to visit Glenn Dale during the most sunny months:

  • May — 10.8(h)
  • July — 11.8(h)

The largest precipitation sum in Glenn Dale is at

  • April — 171(mm)
  • June — 131(mm)
  • July — 158(mm)
  • September — 143(mm)
  • December — 180(mm)

    • Weather forecast in the closest to Glenn Dale admin centers

    Weather forecast in the closest towns to Glenn Dale

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    Frequently asked questions

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