Weather World
Groton Junior High School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 33°F Lo 20°F | Hi 36°F Lo 20°F | Hi 44°F Lo 28°F | Hi 56°F Lo 38°F | Hi 68°F Lo 48°F | Hi 77°F Lo 57°F | Hi 84°F Lo 64°F | Hi 81°F Lo 62°F | Hi 74°F Lo 55°F | Hi 61°F Lo 45°F | Hi 49°F Lo 35°F | Hi 39°F Lo 27°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 6 mph | 5 mph | 6 mph | 7 mph | 7 mph | 8 mph |
| 3.8 in | 4.2 in | 5.1 in | 4.6 in | 4.1 in | 4.4 in | 5 in | 4.2 in | 3.9 in | 4.9 in | 3.8 in | 5.6 in |
| 76% | 78% | 75% | 70% | 72% | 73% | 73% | 74% | 75% | 76% | 72% | 76% |
| 46% | 49% | 50% | 49% | 47% | 43% | 38% | 37% | 39% | 44% | 39% | 47% |
| 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 | 30.1 in | 30.0 in |
| 18 | 15 | 20 | 22 | 24 | 22 | 22 | 24 | 24 | 23 | 23 | 19 |
| 8 | 7 | 7 | 8 | 7 | 8 | 9 | 7 | 6 | 7 | 6 | 8 |
| 5 | 7 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| 1 | 1 | 2 | 3 | 5 | 6 | 5 | 5 | 4 | 3 | 2 | 1 |
| 172 | 143 | 148 | 150 | 167 | 171 | 200 | 224 | 204 | 172 | 200 | 171 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 0°C Lo -7°C | Hi 2°C Lo -6°C | Hi 7°C Lo -2°C | Hi 13°C Lo 4°C | Hi 20°C Lo 9°C | Hi 25°C Lo 14°C | Hi 29°C Lo 18°C | Hi 27°C Lo 17°C | Hi 23°C Lo 13°C | Hi 16°C Lo 7°C | Hi 9°C Lo 1°C | Hi 4°C Lo -3°C |
| 13 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 | 12 km/h |
| 96 mm | 105 mm | 128 mm | 116 mm | 105 mm | 111 mm | 128 mm | 108 mm | 100 mm | 123 mm | 97 mm | 141 mm |
| 76% | 78% | 75% | 70% | 72% | 73% | 73% | 74% | 75% | 76% | 72% | 76% |
| 46% | 49% | 50% | 49% | 47% | 43% | 38% | 37% | 39% | 44% | 39% | 47% |
| 1016 mb | 1016 mb | 1017 mb | 1015 mb | 1016 mb | 1013 mb | 1014 mb | 1015 mb | 1018 mb | 1017 mb | 1018 mb | 1017 mb |
| 18 | 15 | 20 | 22 | 24 | 22 | 22 | 24 | 24 | 23 | 23 | 19 |
| 8 | 7 | 7 | 8 | 7 | 8 | 9 | 7 | 6 | 7 | 6 | 8 |
| 5 | 7 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| 1 | 1 | 2 | 3 | 5 | 6 | 5 | 5 | 4 | 3 | 2 | 1 |
| 172 | 143 | 148 | 150 | 167 | 171 | 200 | 224 | 204 | 172 | 200 | 171 |
| 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.