WeatherWX.com
Suffolk Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 55°F Lo 39°F | Hi 58°F Lo 41°F | Hi 67°F Lo 49°F | Hi 75°F Lo 55°F | Hi 83°F Lo 64°F | Hi 91°F Lo 72°F | Hi 95°F Lo 75°F | Hi 95°F Lo 75°F | Hi 89°F Lo 69°F | Hi 78°F Lo 58°F | Hi 65°F Lo 48°F | Hi 58°F Lo 42°F |
| 7 mph | 7 mph | 8 mph | 8 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 7 mph | 7 mph | 7 mph |
| 4 in | 4.8 in | 5.4 in | 6.6 in | 5.7 in | 4.1 in | 2.6 in | 2.7 in | 3.5 in | 5.7 in | 4.2 in | 5.5 in |
| 74% | 78% | 76% | 75% | 76% | 71% | 67% | 64% | 67% | 68% | 73% | 77% |
| 39% | 48% | 45% | 41% | 39% | 31% | 28% | 26% | 29% | 30% | 37% | 44% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 24 | 19 | 23 | 23 | 21 | 21 | 22 | 23 | 24 | 25 | 24 | 25 |
| 6 | 8 | 8 | 7 | 10 | 9 | 9 | 8 | 6 | 6 | 6 | 6 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 3 | 4 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 3 |
| 205 | 149 | 171 | 180 | 189 | 223 | 241 | 263 | 230 | 236 | 206 | 177 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 13°C Lo 4°C | Hi 14°C Lo 5°C | Hi 20°C Lo 9°C | Hi 24°C Lo 13°C | Hi 28°C Lo 18°C | Hi 33°C Lo 22°C | Hi 35°C Lo 24°C | Hi 35°C Lo 24°C | Hi 32°C Lo 20°C | Hi 25°C Lo 15°C | Hi 18°C Lo 9°C | Hi 14°C Lo 6°C |
| 12 km/h | 12 km/h | 12 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 11 km/h | 11 km/h | 11 km/h |
| 102 mm | 121 mm | 137 mm | 166 mm | 145 mm | 105 mm | 66 mm | 68 mm | 88 mm | 144 mm | 105 mm | 140 mm |
| 74% | 78% | 76% | 75% | 76% | 71% | 67% | 64% | 67% | 68% | 73% | 77% |
| 39% | 48% | 45% | 41% | 39% | 31% | 28% | 26% | 29% | 30% | 37% | 44% |
| 1021 mb | 1020 mb | 1017 mb | 1014 mb | 1014 mb | 1013 mb | 1014 mb | 1014 mb | 1015 mb | 1017 mb | 1020 mb | 1020 mb |
| 24 | 19 | 23 | 23 | 21 | 21 | 22 | 23 | 24 | 25 | 24 | 25 |
| 6 | 8 | 8 | 7 | 10 | 9 | 9 | 8 | 6 | 6 | 6 | 6 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 3 | 4 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 3 |
| 205 | 149 | 171 | 180 | 189 | 223 | 241 | 263 | 230 | 236 | 206 | 177 |
| 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.