Princeton Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 32°F Lo 15°F | Hi 32°F Lo 14°F | Hi 38°F Lo 20°F | Hi 46°F Lo 28°F | Hi 59°F Lo 36°F | Hi 65°F Lo 41°F | Hi 74°F Lo 48°F | Hi 74°F Lo 48°F | Hi 65°F Lo 42°F | Hi 50°F Lo 32°F | Hi 37°F Lo 22°F | Hi 30°F Lo 14°F |
| 4 mph | 4 mph | 4 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph |
| 3.2 in | 2.4 in | 2.7 in | 1.8 in | 1.9 in | 2 in | 0.9 in | 1.4 in | 1.6 in | 2.7 in | 4.4 in | 4.1 in |
| 93% | 93% | 89% | 77% | 69% | 66% | 60% | 61% | 66% | 75% | 86% | 91% |
| 63% | 63% | 60% | 50% | 41% | 38% | 23% | 26% | 32% | 43% | 56% | 62% |
| 30.2 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 11 | 11 | 11 | 18 | 23 | 23 | 28 | 27 | 26 | 22 | 9 | 9 |
| 13 | 12 | 12 | 9 | 7 | 7 | 4 | 4 | 4 | 7 | 13 | 12 |
| 9 | 7 | 8 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 8 | 10 |
| 3 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| 1 | 1 | 1 | 2 | 3 | 4 | 5 | 4 | 2 | 1 | 1 | 1 |
| 93 | 69 | 92 | 138 | 174 | 189 | 272 | 265 | 233 | 179 | 111 | 93 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -0°C Lo -10°C | Hi 0°C Lo -10°C | Hi 4°C Lo -7°C | Hi 8°C Lo -3°C | Hi 15°C Lo 2°C | Hi 18°C Lo 5°C | Hi 23°C Lo 9°C | Hi 23°C Lo 9°C | Hi 18°C Lo 5°C | Hi 10°C Lo -0°C | Hi 3°C Lo -5°C | Hi -1°C Lo -10°C |
| 6 km/h | 6 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 6 km/h | 6 km/h | 6 km/h | 7 km/h | 6 km/h |
| 82 mm | 61 mm | 68 mm | 45 mm | 48 mm | 51 mm | 22 mm | 37 mm | 41 mm | 70 mm | 112 mm | 104 mm |
| 93% | 93% | 89% | 77% | 69% | 66% | 60% | 61% | 66% | 75% | 86% | 91% |
| 63% | 63% | 60% | 50% | 41% | 38% | 23% | 26% | 32% | 43% | 56% | 62% |
| 102.2 kPa | 102 kPa | 101.7 kPa | 101.6 kPa | 101.5 kPa | 101.4 kPa | 101.5 kPa | 101.5 kPa | 101.5 kPa | 101.5 kPa | 101.8 kPa | 102 kPa |
| 11 | 11 | 11 | 18 | 23 | 23 | 28 | 27 | 26 | 22 | 9 | 9 |
| 13 | 12 | 12 | 9 | 7 | 7 | 4 | 4 | 4 | 7 | 13 | 12 |
| 9 | 7 | 8 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 8 | 10 |
| 3 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| 1 | 1 | 1 | 2 | 3 | 4 | 5 | 4 | 2 | 1 | 1 | 1 |
| 93 | 69 | 92 | 138 | 174 | 189 | 272 | 265 | 233 | 179 | 111 | 93 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.
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