WeatherWX.comBristol Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 44°F Lo 36°F | Hi 45°F Lo 37°F | Hi 50°F Lo 38°F | Hi 54°F Lo 40°F | Hi 59°F Lo 45°F | Hi 64°F Lo 51°F | Hi 68°F Lo 55°F | Hi 66°F Lo 55°F | Hi 64°F Lo 51°F | Hi 57°F Lo 48°F | Hi 50°F Lo 42°F | Hi 46°F Lo 39°F |
| 11 mph | 12 mph | 10 mph | 9 mph | 9 mph | 8 mph | 8 mph | 8 mph | 8 mph | 10 mph | 10 mph | 11 mph |
| 3.6 in | 3.4 in | 2.9 in | 2.3 in | 3.2 in | 3.6 in | 3.4 in | 3.9 in | 2.3 in | 4.4 in | 4.4 in | 4.6 in |
| 88% | 85% | 84% | 82% | 83% | 84% | 81% | 83% | 83% | 86% | 88% | 89% |
| 58% | 59% | 53% | 49% | 50% | 52% | 50% | 52% | 50% | 56% | 60% | 59% |
| 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in |
| 18 | 15 | 22 | 24 | 26 | 24 | 25 | 24 | 25 | 24 | 20 | 20 |
| 9 | 8 | 7 | 5 | 6 | 6 | 6 | 7 | 5 | 7 | 9 | 9 |
| 4 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 3 | 2 | 4 | 4 | 6 | 7 | 7 | 8 | 8 | 5 | 4 | 3 |
| 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 2 |
| 214 | 191 | 239 | 247 | 257 | 242 | 272 | 256 | 258 | 238 | 208 | 219 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 7°C Lo 3°C | Hi 7°C Lo 3°C | Hi 10°C Lo 3°C | Hi 12°C Lo 5°C | Hi 15°C Lo 7°C | Hi 18°C Lo 10°C | Hi 20°C Lo 13°C | Hi 19°C Lo 13°C | Hi 18°C Lo 11°C | Hi 14°C Lo 9°C | Hi 10°C Lo 6°C | Hi 8°C Lo 4°C |
| 17 km/h | 19 km/h | 17 km/h | 14 km/h | 14 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 15 km/h | 16 km/h | 17 km/h |
| 92 mm | 87 mm | 74 mm | 59 mm | 82 mm | 92 mm | 87 mm | 98 mm | 59 mm | 113 mm | 111 mm | 117 mm |
| 88% | 85% | 84% | 82% | 83% | 84% | 81% | 83% | 83% | 86% | 88% | 89% |
| 58% | 59% | 53% | 49% | 50% | 52% | 50% | 52% | 50% | 56% | 60% | 59% |
| 1015 mb | 1014 mb | 1016 mb | 1016 mb | 1017 mb | 1016 mb | 1015 mb | 1015 mb | 1017 mb | 1014 mb | 1011 mb | 1013 mb |
| 18 | 15 | 22 | 24 | 26 | 24 | 25 | 24 | 25 | 24 | 20 | 20 |
| 9 | 8 | 7 | 5 | 6 | 6 | 6 | 7 | 5 | 7 | 9 | 9 |
| 4 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 3 | 2 | 4 | 4 | 6 | 7 | 7 | 8 | 8 | 5 | 4 | 3 |
| 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 2 |
| 214 | 191 | 239 | 247 | 257 | 242 | 272 | 256 | 258 | 238 | 208 | 219 |
| 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.
