WeatherWX.com
Flat Rock Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 32°F Lo 21°F | Hi 35°F Lo 22°F | Hi 45°F Lo 31°F | Hi 56°F Lo 41°F | Hi 67°F Lo 52°F | Hi 75°F Lo 61°F | Hi 80°F Lo 65°F | Hi 78°F Lo 64°F | Hi 73°F Lo 59°F | Hi 61°F Lo 48°F | Hi 48°F Lo 36°F | Hi 38°F Lo 29°F |
| 11 mph | 11 mph | 10 mph | 10 mph | 9 mph | 8 mph | 7 mph | 7 mph | 8 mph | 10 mph | 11 mph | 11 mph |
| 3 in | 3.1 in | 3.9 in | 4.7 in | 5 in | 5.5 in | 4.8 in | 3.9 in | 3.5 in | 3.8 in | 3.1 in | 3.2 in |
| 83% | 84% | 77% | 76% | 77% | 78% | 79% | 80% | 77% | 74% | 74% | 81% |
| 66% | 63% | 53% | 49% | 41% | 36% | 32% | 32% | 33% | 42% | 45% | 61% |
| 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 |
| 16 | 14 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 23 | 21 |
| 10 | 10 | 9 | 10 | 11 | 10 | 10 | 9 | 8 | 8 | 6 | 9 |
| 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 83 | 87 | 136 | 144 | 185 | 207 | 231 | 232 | 216 | 183 | 166 | 95 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 0°C Lo -6°C | Hi 2°C Lo -6°C | Hi 7°C Lo -1°C | Hi 13°C Lo 5°C | Hi 20°C Lo 11°C | Hi 24°C Lo 16°C | Hi 27°C Lo 19°C | Hi 26°C Lo 18°C | Hi 23°C Lo 15°C | Hi 16°C Lo 9°C | Hi 9°C Lo 3°C | Hi 4°C Lo -2°C |
| 18 km/h | 17 km/h | 17 km/h | 17 km/h | 14 km/h | 13 km/h | 11 km/h | 11 km/h | 13 km/h | 17 km/h | 18 km/h | 18 km/h |
| 75 mm | 78 mm | 99 mm | 119 mm | 127 mm | 140 mm | 122 mm | 99 mm | 88 mm | 98 mm | 80 mm | 80 mm |
| 83% | 84% | 77% | 76% | 77% | 78% | 79% | 80% | 77% | 74% | 74% | 81% |
| 66% | 63% | 53% | 49% | 41% | 36% | 32% | 32% | 33% | 42% | 45% | 61% |
| 1019 mb | 1019 mb | 1019 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1015 mb | 1017 mb | 1017 mb | 1020 mb | 1019 mb |
| 16 | 14 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 23 | 21 |
| 10 | 10 | 9 | 10 | 11 | 10 | 10 | 9 | 8 | 8 | 6 | 9 |
| 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 83 | 87 | 136 | 144 | 185 | 207 | 231 | 232 | 216 | 183 | 166 | 95 |
| 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.