Weather World
Signal Mountain Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 45°F Lo 32°F | Hi 50°F Lo 36°F | Hi 59°F Lo 43°F | Hi 67°F Lo 50°F | Hi 75°F Lo 58°F | Hi 83°F Lo 66°F | Hi 85°F Lo 69°F | Hi 84°F Lo 68°F | Hi 79°F Lo 63°F | Hi 69°F Lo 52°F | Hi 57°F Lo 43°F | Hi 50°F Lo 37°F |
| 6 mph | 6 mph | 6 mph | 6 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph | 5 mph | 5 mph | 6 mph |
| 5.9 in | 6 in | 6.4 in | 6.2 in | 6 in | 5.8 in | 6.9 in | 5.4 in | 5.5 in | 5.3 in | 4.7 in | 7 in |
| 76% | 78% | 77% | 75% | 77% | 75% | 76% | 75% | 75% | 74% | 74% | 79% |
| 49% | 53% | 48% | 40% | 42% | 35% | 41% | 37% | 35% | 36% | 38% | 49% |
| 30.2 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.2 in | 30.2 in |
| 20 | 19 | 22 | 22 | 21 | 19 | 17 | 18 | 22 | 25 | 24 | 22 |
| 9 | 9 | 9 | 8 | 10 | 11 | 14 | 13 | 8 | 6 | 6 | 8 |
| 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 2 | 3 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 157 | 131 | 156 | 189 | 179 | 190 | 169 | 204 | 210 | 209 | 206 | 164 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 7°C Lo -0°C | Hi 10°C Lo 2°C | Hi 15°C Lo 6°C | Hi 20°C Lo 10°C | Hi 24°C Lo 15°C | Hi 28°C Lo 19°C | Hi 30°C Lo 21°C | Hi 29°C Lo 20°C | Hi 26°C Lo 17°C | Hi 20°C Lo 11°C | Hi 14°C Lo 6°C | Hi 10°C Lo 3°C |
| 10 km/h | 10 km/h | 10 km/h | 10 km/h | 8 km/h | 7 km/h | 6 km/h | 6 km/h | 6 km/h | 8 km/h | 9 km/h | 9 km/h |
| 149 mm | 151 mm | 162 mm | 158 mm | 152 mm | 148 mm | 176 mm | 137 mm | 139 mm | 133 mm | 118 mm | 179 mm |
| 76% | 78% | 77% | 75% | 77% | 75% | 76% | 75% | 75% | 74% | 74% | 79% |
| 49% | 53% | 48% | 40% | 42% | 35% | 41% | 37% | 35% | 36% | 38% | 49% |
| 1022 mb | 1020 mb | 1019 mb | 1017 mb | 1016 mb | 1015 mb | 1016 mb | 1016 mb | 1017 mb | 1018 mb | 1021 mb | 1021 mb |
| 20 | 19 | 22 | 22 | 21 | 19 | 17 | 18 | 22 | 25 | 24 | 22 |
| 9 | 9 | 9 | 8 | 10 | 11 | 14 | 13 | 8 | 6 | 6 | 8 |
| 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 2 | 3 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 157 | 131 | 156 | 189 | 179 | 190 | 169 | 204 | 210 | 209 | 206 | 164 |
| 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.