ClimateForecastMayJune >>

Climate in Willow Grove (Pennsylvania), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average water temperature

The mean water temperature over the year.

* Data from: Philadelphia, the United States of America (21 KM, 13 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Willow Grove (PA)

Sun   May 05
15°C | 8°C
E 14 km/h
6.3 mm
broken clouds and rain

broken clouds and rain

Mon   May 06
25°C | 13°C
W 7 km/h
1.5 mm
overcast and rain

overcast and rain

Tue   May 07
26°C | 16°C
SE 11 km/h
2 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Willow Grove in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Willow Grove?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Willow Grove?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Willow Grove?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Willow Grove?
    August tops the wettest month list with 138 mm of rainfall.
  • Which is the driest month in Willow Grove?
    February is the driest month with 76 mm of precipitation.
  • Which is the sunniest month in Willow Grove?
    July is the sunniest month with an average of 275 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.