Weather information for the Valley Forge area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for King of Prussia are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 38° | 41° | 51° | 62° | 74° | 82° | 86° | 84° | 77° | 66° | 55° | 44° |
| Avg. Low | 21° | 24° | 32° | 41° | 51° | 60° | 65° | 64° | 56° | 44° | 36° | 26° |
| Mean | 30° | 32° | 42° | 52° | 64° | 72° | 76° | 75° | 67° | 56° | 46° | 35° |
| Avg. Precip. | 3.3 in | 3.0 in | 3.5 in | 3.7 in | 4.3 in | 3.6 in | 4.5 in | 4.1 in | 4.1 in | 3.0 in | 3.8 in | 3.6 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
