WeatherWX.com
Jamestown Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 33°F Lo 21°F | Hi 37°F Lo 23°F | Hi 50°F Lo 34°F | Hi 60°F Lo 43°F | Hi 71°F Lo 55°F | Hi 79°F Lo 63°F | Hi 82°F Lo 65°F | Hi 81°F Lo 64°F | Hi 76°F Lo 58°F | Hi 63°F Lo 47°F | Hi 49°F Lo 35°F | Hi 39°F Lo 27°F |
| 10 mph | 11 mph | 10 mph | 10 mph | 9 mph | 8 mph | 6 mph | 6 mph | 7 mph | 9 mph | 10 mph | 10 mph |
| 1.2 in | 1.2 in | 1.6 in | 2.2 in | 2.1 in | 2.2 in | 1.6 in | 1.3 in | 1.2 in | 1.5 in | 1.3 in | 1.3 in |
| 82% | 81% | 76% | 77% | 79% | 79% | 83% | 81% | 76% | 72% | 74% | 81% |
| 62% | 60% | 52% | 50% | 45% | 36% | 35% | 34% | 33% | 39% | 43% | 58% |
| 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 |
| 20 | 18 | 22 | 21 | 21 | 21 | 22 | 25 | 24 | 24 | 24 | 21 |
| 8 | 8 | 7 | 8 | 10 | 9 | 9 | 7 | 6 | 7 | 5 | 7 |
| 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 39 | 37 | 50 | 50 | 57 | 70 | 74 | 75 | 73 | 68 | 62 | 43 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 1°C Lo -6°C | Hi 3°C Lo -5°C | Hi 10°C Lo 1°C | Hi 16°C Lo 6°C | Hi 22°C Lo 13°C | Hi 26°C Lo 17°C | Hi 28°C Lo 19°C | Hi 27°C Lo 18°C | Hi 24°C Lo 15°C | Hi 17°C Lo 8°C | Hi 10°C Lo 2°C | Hi 4°C Lo -3°C |
| 17 km/h | 17 km/h | 16 km/h | 16 km/h | 14 km/h | 12 km/h | 10 km/h | 10 km/h | 12 km/h | 15 km/h | 16 km/h | 16 km/h |
| 30 mm | 30 mm | 42 mm | 56 mm | 54 mm | 55 mm | 41 mm | 33 mm | 31 mm | 37 mm | 32 mm | 32 mm |
| 82% | 81% | 76% | 77% | 79% | 79% | 83% | 81% | 76% | 72% | 74% | 81% |
| 62% | 60% | 52% | 50% | 45% | 36% | 35% | 34% | 33% | 39% | 43% | 58% |
| 1020 mb | 1020 mb | 1019 mb | 1014 mb | 1015 mb | 1014 mb | 1015 mb | 1015 mb | 1017 mb | 1017 mb | 1020 mb | 1020 mb |
| 20 | 18 | 22 | 21 | 21 | 21 | 22 | 25 | 24 | 24 | 24 | 21 |
| 8 | 8 | 7 | 8 | 10 | 9 | 9 | 7 | 6 | 7 | 5 | 7 |
| 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 39 | 37 | 50 | 50 | 57 | 70 | 74 | 75 | 73 | 68 | 62 | 43 |
| 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.