Best year time to visit Willow Grove

General weather information about Willow Grove

Average annual temperature is 13.4 °C

Absolute maximum temperature: 37.4 °C

Absolute minimum temperature: -10.0 °C

Number of sunny days: 200 days

Number of rainy days: 162 days

Number of snow days: 3 days

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

Willow Grove air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.323.125.130.729.731.737.435.136.927.924.219.4
Average daytime temperature (°C)9.412.413.321.922.726.632.330.826.420.813.010.4
Average temperature (°C)4.46.06.513.915.919.725.123.820.014.26.34.5
Average night temperature (°C)0.81.01.17.09.813.418.817.914.38.81.20.5
Absolute minimum temperature (°C)-5.2-10.0-7.1-0.12.48.314.410.58.40.5-6.5-6.3

Willow Grove 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)9.810.712.013.214.314.814.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.67.18.19.410.410.912.411.29.48.98.06.1
Precipitation (mm)466156704991561990235892
Sunny days131616181813111616192420
Rainy days16121412131720151412611
Snow days201000000000

Willow Grove - weather forecast by months

Willow Grove weather in januaryWillow Grove weather in februaryWillow Grove weather in marchWillow Grove weather in aprilWillow Grove weather in mayWillow Grove weather in juneWillow Grove weather in julyWillow Grove weather in augustWillow Grove weather in septemberWillow Grove weather in octoberWillow Grove weather in novemberWillow Grove weather in december

Best time to visit Willow Grove:

The best time to visit Willow Grove during the most sunny months:

  • July — 12.4(h)

The largest precipitation sum in Willow Grove is at

  • June — 91(mm)
  • September — 90(mm)
  • December — 92(mm)

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    Frequently asked questions

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