Weather & Climate at Joint Reserve Base Willow Grove Navy Base in Horsham Twp, PA
Summary of the weather and climate in Horsham Twp, PA:
- The average high in Horsham Twp, PA is 62.6°F and average low is 46°F
- The hottest month is July with an high of 84.9°F
- The coldest month is January with an low of 25.5°F
- Annual rainfall is 48.18 inches. The rainiest month is July with an average of 4.94 inches.
- Annual snowfall is 24.7 inches. The snowiest month is January with an average of 8 inches.
SOURCE: NOAA.GOV
Climate Table — Joint Reserve Base Willow Grove Navy Base
Monthly Averages:
| High (°F) | Low (°F) | Rainfall (inches) | Snowfall (inches) | |
|---|---|---|---|---|
| January | 38.9 | 25.5 | 3.56 | 8 |
| February | 42.1 | 27.6 | 2.78 | 8 |
| March | 51 | 34 | 4.21 | 4.5 |
| April | 62.3 | 43.6 | 4.01 | 0.9 |
| May | 72.1 | 53 | 4.16 | 0 |
| June | 80.8 | 62.5 | 4.1 | 0 |
| July | 84.9 | 67.4 | 4.94 | 0 |
| August | 82.9 | 65.7 | 4.13 | 0 |
| September | 75.5 | 58 | 4.65 | 0 |
| October | 64.2 | 46.7 | 3.53 | 0 |
| November | 54.3 | 38.5 | 3.82 | 0.6 |
| December | 42.7 | 30 | 4.29 | 2.7 |
Climate Charts — Joint Reserve Base Willow Grove Navy Base
Weather through the year:
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