Weather World
City of Rochester, NH
Rochester Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 31°F Lo 18°F | Hi 33°F Lo 19°F | Hi 41°F Lo 26°F | Hi 53°F Lo 37°F | Hi 65°F Lo 47°F | Hi 73°F Lo 56°F | Hi 80°F Lo 63°F | Hi 79°F Lo 61°F | Hi 71°F Lo 55°F | Hi 59°F Lo 45°F | Hi 47°F Lo 34°F | Hi 37°F Lo 25°F |
| 9 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 6 mph | 5 mph | 6 mph | 7 mph | 8 mph | 8 mph |
| 4 in | 4.1 in | 5 in | 5 in | 3.9 in | 4.7 in | 4.9 in | 4.2 in | 3.9 in | 5.2 in | 4.3 in | 6.1 in |
| 78% | 80% | 78% | 74% | 75% | 77% | 77% | 76% | 77% | 77% | 74% | 77% |
| 46% | 49% | 51% | 51% | 48% | 44% | 38% | 36% | 39% | 44% | 39% | 48% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in |
| 18 | 15 | 19 | 21 | 23 | 20 | 22 | 24 | 24 | 24 | 23 | 18 |
| 8 | 7 | 8 | 8 | 8 | 10 | 9 | 7 | 6 | 6 | 6 | 8 |
| 6 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
| 1 | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 175 | 150 | 150 | 146 | 173 | 190 | 221 | 228 | 204 | 173 | 198 | 167 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -1°C Lo -8°C | Hi 1°C Lo -8°C | Hi 5°C Lo -3°C | Hi 12°C Lo 3°C | Hi 18°C Lo 8°C | Hi 23°C Lo 13°C | Hi 27°C Lo 17°C | Hi 26°C Lo 16°C | Hi 22°C Lo 13°C | Hi 15°C Lo 7°C | Hi 8°C Lo 1°C | Hi 3°C Lo -4°C |
| 14 km/h | 13 km/h | 13 km/h | 12 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 11 km/h | 12 km/h | 13 km/h |
| 102 mm | 104 mm | 127 mm | 126 mm | 99 mm | 120 mm | 124 mm | 106 mm | 98 mm | 133 mm | 109 mm | 154 mm |
| 78% | 80% | 78% | 74% | 75% | 77% | 77% | 76% | 77% | 77% | 74% | 77% |
| 46% | 49% | 51% | 51% | 48% | 44% | 38% | 36% | 39% | 44% | 39% | 48% |
| 1015 mb | 1016 mb | 1016 mb | 1015 mb | 1016 mb | 1013 mb | 1014 mb | 1015 mb | 1018 mb | 1017 mb | 1017 mb | 1017 mb |
| 18 | 15 | 19 | 21 | 23 | 20 | 22 | 24 | 24 | 24 | 23 | 18 |
| 8 | 7 | 8 | 8 | 8 | 10 | 9 | 7 | 6 | 6 | 6 | 8 |
| 6 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
| 1 | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 175 | 150 | 150 | 146 | 173 | 190 | 221 | 228 | 204 | 173 | 198 | 167 |
| 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.