WeatherWorld.comJamestown Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 35°F Lo 22°F | Hi 40°F Lo 25°F | Hi 51°F Lo 34°F | Hi 61°F Lo 43°F | Hi 71°F Lo 54°F | Hi 78°F Lo 62°F | Hi 81°F Lo 65°F | Hi 81°F Lo 63°F | Hi 76°F Lo 58°F | Hi 64°F Lo 47°F | Hi 51°F Lo 36°F | Hi 41°F Lo 29°F |
| 10 mph | 10 mph | 10 mph | 10 mph | 8 mph | 7 mph | 6 mph | 6 mph | 7 mph | 9 mph | 9 mph | 10 mph |
| 3.2 in | 3.7 in | 4.3 in | 5.4 in | 5.1 in | 5 in | 4.2 in | 3.3 in | 3.2 in | 3.7 in | 3.5 in | 4.2 in |
| 82% | 81% | 76% | 76% | 79% | 79% | 81% | 79% | 76% | 73% | 73% | 80% |
| 62% | 57% | 51% | 48% | 43% | 35% | 35% | 33% | 33% | 39% | 40% | 57% |
| 30.1 in | 30.1 in | 30.1 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 |
| 17 | 16 | 22 | 20 | 21 | 20 | 22 | 23 | 23 | 24 | 24 | 20 |
| 9 | 9 | 8 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 9 |
| 5 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 1 | 2 | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 98 | 107 | 146 | 148 | 175 | 209 | 216 | 228 | 222 | 198 | 194 | 119 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°C Lo -6°C | Hi 4°C Lo -4°C | Hi 10°C Lo 1°C | Hi 16°C Lo 6°C | Hi 22°C Lo 12°C | Hi 26°C Lo 16°C | Hi 27°C Lo 18°C | Hi 27°C Lo 17°C | Hi 24°C Lo 14°C | Hi 18°C Lo 8°C | Hi 10°C Lo 2°C | Hi 5°C Lo -1°C |
| 17 km/h | 17 km/h | 16 km/h | 16 km/h | 13 km/h | 12 km/h | 10 km/h | 10 km/h | 11 km/h | 14 km/h | 15 km/h | 15 km/h |
| 81 mm | 94 mm | 109 mm | 137 mm | 128 mm | 126 mm | 108 mm | 83 mm | 81 mm | 93 mm | 89 mm | 107 mm |
| 82% | 81% | 76% | 76% | 79% | 79% | 81% | 79% | 76% | 73% | 73% | 80% |
| 62% | 57% | 51% | 48% | 43% | 35% | 35% | 33% | 33% | 39% | 40% | 57% |
| 1020 mb | 1020 mb | 1019 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1017 mb | 1017 mb | 1021 mb | 1020 mb |
| 17 | 16 | 22 | 20 | 21 | 20 | 22 | 23 | 23 | 24 | 24 | 20 |
| 9 | 9 | 8 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 9 |
| 5 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 1 | 2 | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 98 | 107 | 146 | 148 | 175 | 209 | 216 | 228 | 222 | 198 | 194 | 119 |
| 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.