WeatherWorld.comWaterbury Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 26°F Lo 9°F | Hi 29°F Lo 11°F | Hi 37°F Lo 20°F | Hi 51°F Lo 32°F | Hi 66°F Lo 44°F | Hi 73°F Lo 52°F | Hi 79°F Lo 58°F | Hi 77°F Lo 56°F | Hi 70°F Lo 50°F | Hi 57°F Lo 40°F | Hi 43°F Lo 27°F | Hi 32°F Lo 18°F |
| 6 mph | 6 mph | 7 mph | 7 mph | 6 mph | 5 mph | 5 mph | 5 mph | 5 mph | 6 mph | 6 mph | 6 mph |
| 2.9 in | 2.8 in | 3.7 in | 4.2 in | 4.2 in | 5.6 in | 4.7 in | 4.3 in | 3.9 in | 5.3 in | 3.4 in | 4 in |
| 90% | 89% | 86% | 79% | 76% | 78% | 78% | 79% | 80% | 82% | 81% | 85% |
| 74% | 73% | 68% | 61% | 50% | 49% | 41% | 43% | 42% | 55% | 55% | 69% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.0 in |
| 12 | 9 | 13 | 17 | 22 | 20 | 21 | 22 | 24 | 21 | 15 | 9 |
| 13 | 11 | 10 | 10 | 9 | 10 | 10 | 9 | 6 | 10 | 10 | 14 |
| 7 | 8 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 7 |
| 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 2 | 4 | 4 | 5 | 4 | 3 | 2 | 1 | 1 |
| 58 | 51 | 78 | 101 | 157 | 155 | 199 | 196 | 195 | 126 | 124 | 74 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -4°C Lo -13°C | Hi -2°C Lo -12°C | Hi 3°C Lo -7°C | Hi 10°C Lo -0°C | Hi 19°C Lo 7°C | Hi 23°C Lo 11°C | Hi 26°C Lo 14°C | Hi 25°C Lo 13°C | Hi 21°C Lo 10°C | Hi 14°C Lo 4°C | Hi 6°C Lo -3°C | Hi 0°C Lo -8°C |
| 10 km/h | 10 km/h | 11 km/h | 11 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 9 km/h | 10 km/h | 10 km/h |
| 73 mm | 72 mm | 94 mm | 107 mm | 105 mm | 141 mm | 119 mm | 109 mm | 99 mm | 135 mm | 87 mm | 100 mm |
| 90% | 89% | 86% | 79% | 76% | 78% | 78% | 79% | 80% | 82% | 81% | 85% |
| 74% | 73% | 68% | 61% | 50% | 49% | 41% | 43% | 42% | 55% | 55% | 69% |
| 1017 mb | 1017 mb | 1017 mb | 1014 mb | 1015 mb | 1013 mb | 1014 mb | 1015 mb | 1017 mb | 1016 mb | 1018 mb | 1017 mb |
| 12 | 9 | 13 | 17 | 22 | 20 | 21 | 22 | 24 | 21 | 15 | 9 |
| 13 | 11 | 10 | 10 | 9 | 10 | 10 | 9 | 6 | 10 | 10 | 14 |
| 7 | 8 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 7 |
| 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 2 | 4 | 4 | 5 | 4 | 3 | 2 | 1 | 1 |
| 58 | 51 | 78 | 101 | 157 | 155 | 199 | 196 | 195 | 126 | 124 | 74 |
| 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.