WeatherWX.comRockland County Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 36°F Lo 25°F | Hi 39°F Lo 26°F | Hi 47°F Lo 33°F | Hi 59°F Lo 43°F | Hi 70°F Lo 53°F | Hi 79°F Lo 62°F | Hi 86°F Lo 69°F | Hi 85°F Lo 68°F | Hi 77°F Lo 61°F | Hi 65°F Lo 51°F | Hi 52°F Lo 40°F | Hi 42°F Lo 32°F |
| 8 mph | 8 mph | 9 mph | 8 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 7 mph | 8 mph | 8 mph |
| 4.2 in | 4.9 in | 5.6 in | 5.3 in | 5.7 in | 5.8 in | 6.1 in | 5.7 in | 4.2 in | 5.7 in | 4.1 in | 6.1 in |
| 72% | 77% | 71% | 68% | 72% | 71% | 69% | 67% | 70% | 72% | 70% | 74% |
| 44% | 48% | 47% | 46% | 45% | 37% | 33% | 31% | 35% | 42% | 36% | 48% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 17 | 13 | 18 | 22 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 19 |
| 6 | 6 | 7 | 8 | 8 | 7 | 8 | 6 | 5 | 6 | 6 | 7 |
| 8 | 9 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
| 2 | 2 | 2 | 2 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 2 |
| 1 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
| 272 | 226 | 262 | 258 | 275 | 303 | 334 | 333 | 301 | 279 | 283 | 257 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°C Lo -4°C | Hi 4°C Lo -3°C | Hi 9°C Lo 1°C | Hi 15°C Lo 6°C | Hi 21°C Lo 12°C | Hi 26°C Lo 17°C | Hi 30°C Lo 20°C | Hi 29°C Lo 20°C | Hi 25°C Lo 16°C | Hi 18°C Lo 11°C | Hi 11°C Lo 4°C | Hi 6°C Lo 0°C |
| 14 km/h | 13 km/h | 14 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 12 km/h | 13 km/h | 13 km/h |
| 108 mm | 124 mm | 143 mm | 134 mm | 144 mm | 146 mm | 155 mm | 144 mm | 108 mm | 145 mm | 103 mm | 155 mm |
| 72% | 77% | 71% | 68% | 72% | 71% | 69% | 67% | 70% | 72% | 70% | 74% |
| 44% | 48% | 47% | 46% | 45% | 37% | 33% | 31% | 35% | 42% | 36% | 48% |
| 1018 mb | 1018 mb | 1018 mb | 1015 mb | 1016 mb | 1014 mb | 1014 mb | 1015 mb | 1018 mb | 1017 mb | 1020 mb | 1018 mb |
| 17 | 13 | 18 | 22 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 19 |
| 6 | 6 | 7 | 8 | 8 | 7 | 8 | 6 | 5 | 6 | 6 | 7 |
| 8 | 9 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
| 2 | 2 | 2 | 2 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 2 |
| 1 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
| 272 | 226 | 262 | 258 | 275 | 303 | 334 | 333 | 301 | 279 | 283 | 257 |
| 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.
