Weather World
Summerville High School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 52°F Lo 36°F | Hi 52°F Lo 35°F | Hi 55°F Lo 38°F | Hi 62°F Lo 42°F | Hi 70°F Lo 48°F | Hi 81°F Lo 56°F | Hi 89°F Lo 63°F | Hi 88°F Lo 62°F | Hi 82°F Lo 58°F | Hi 71°F Lo 50°F | Hi 59°F Lo 41°F | Hi 51°F Lo 36°F |
| 5 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 5 mph | 6 mph | 5 mph | 5 mph | 5 mph |
| 7.5 in | 9.3 in | 9 in | 4.3 in | 1.9 in | 0.5 in | 0 in | 0.1 in | 0.5 in | 2.6 in | 5.2 in | 10.2 in |
| 65% | 67% | 70% | 64% | 53% | 39% | 31% | 32% | 35% | 41% | 52% | 64% |
| 32% | 35% | 38% | 28% | 18% | 9% | 5% | 6% | 8% | 15% | 25% | 35% |
| 30.2 in | 30.1 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.1 in | 30.1 in |
| 23 | 18 | 19 | 24 | 27 | 29 | 31 | 30 | 29 | 28 | 24 | 22 |
| 6 | 7 | 9 | 5 | 4 | 2 | 0 | 1 | 1 | 3 | 5 | 8 |
| 2 | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 2 |
| 233 | 194 | 205 | 246 | 281 | 312 | 339 | 358 | 331 | 300 | 260 | 226 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 11°C Lo 2°C | Hi 11°C Lo 2°C | Hi 13°C Lo 3°C | Hi 16°C Lo 5°C | Hi 21°C Lo 9°C | Hi 27°C Lo 14°C | Hi 32°C Lo 17°C | Hi 31°C Lo 17°C | Hi 28°C Lo 15°C | Hi 21°C Lo 10°C | Hi 15°C Lo 5°C | Hi 11°C Lo 2°C |
| 8 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 8 km/h | 8 km/h |
| 190 mm | 236 mm | 229 mm | 110 mm | 48 mm | 12 mm | 1 mm | 2 mm | 12 mm | 66 mm | 131 mm | 260 mm |
| 65% | 67% | 70% | 64% | 53% | 39% | 31% | 32% | 35% | 41% | 52% | 64% |
| 32% | 35% | 38% | 28% | 18% | 9% | 5% | 6% | 8% | 15% | 25% | 35% |
| 1021 mb | 1019 mb | 1018 mb | 1016 mb | 1014 mb | 1012 mb | 1013 mb | 1013 mb | 1013 mb | 1013 mb | 1018 mb | 1020 mb |
| 23 | 18 | 19 | 24 | 27 | 29 | 31 | 30 | 29 | 28 | 24 | 22 |
| 6 | 7 | 9 | 5 | 4 | 2 | 0 | 1 | 1 | 3 | 5 | 8 |
| 2 | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 2 |
| 233 | 194 | 205 | 246 | 281 | 312 | 339 | 358 | 331 | 300 | 260 | 226 |
| 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.