Weather World
Haddam Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 37°F Lo 21°F | Hi 42°F Lo 24°F | Hi 56°F Lo 36°F | Hi 64°F Lo 44°F | Hi 73°F Lo 54°F | Hi 86°F Lo 66°F | Hi 90°F Lo 69°F | Hi 89°F Lo 67°F | Hi 82°F Lo 61°F | Hi 67°F Lo 47°F | Hi 54°F Lo 36°F | Hi 41°F Lo 26°F |
| 10 mph | 10 mph | 11 mph | 12 mph | 10 mph | 10 mph | 9 mph | 9 mph | 10 mph | 11 mph | 11 mph | 10 mph |
| 1.1 in | 1 in | 2.1 in | 3.6 in | 6.9 in | 5.1 in | 4.2 in | 4.5 in | 4 in | 3 in | 2.2 in | 1.5 in |
| 74% | 69% | 64% | 64% | 71% | 67% | 64% | 64% | 63% | 59% | 64% | 70% |
| 40% | 39% | 40% | 38% | 41% | 28% | 26% | 27% | 28% | 27% | 29% | 36% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 25 | 22 | 26 | 24 | 21 | 22 | 24 | 24 | 25 | 27 | 25 | 26 |
| 3 | 4 | 4 | 6 | 10 | 8 | 7 | 7 | 5 | 4 | 4 | 3 |
| 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 200 | 180 | 207 | 203 | 197 | 252 | 270 | 265 | 251 | 246 | 245 | 219 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 3°C Lo -6°C | Hi 5°C Lo -5°C | Hi 13°C Lo 2°C | Hi 18°C Lo 6°C | Hi 23°C Lo 12°C | Hi 30°C Lo 19°C | Hi 32°C Lo 21°C | Hi 31°C Lo 20°C | Hi 28°C Lo 16°C | Hi 19°C Lo 9°C | Hi 12°C Lo 2°C | Hi 5°C Lo -4°C |
| 16 km/h | 17 km/h | 18 km/h | 19 km/h | 16 km/h | 16 km/h | 14 km/h | 14 km/h | 16 km/h | 17 km/h | 17 km/h | 16 km/h |
| 27 mm | 26 mm | 54 mm | 92 mm | 175 mm | 130 mm | 106 mm | 113 mm | 101 mm | 75 mm | 57 mm | 38 mm |
| 74% | 69% | 64% | 64% | 71% | 67% | 64% | 64% | 63% | 59% | 64% | 70% |
| 40% | 39% | 40% | 38% | 41% | 28% | 26% | 27% | 28% | 27% | 29% | 36% |
| 1022 mb | 1020 mb | 1016 mb | 1013 mb | 1013 mb | 1011 mb | 1013 mb | 1013 mb | 1015 mb | 1015 mb | 1018 mb | 1020 mb |
| 25 | 22 | 26 | 24 | 21 | 22 | 24 | 24 | 25 | 27 | 25 | 26 |
| 3 | 4 | 4 | 6 | 10 | 8 | 7 | 7 | 5 | 4 | 4 | 3 |
| 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 200 | 180 | 207 | 203 | 197 | 252 | 270 | 265 | 251 | 246 | 245 | 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.