Weather World
Tri-Cities Rgnl Tn-Va Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 42°F Lo 28°F | Hi 48°F Lo 32°F | Hi 56°F Lo 38°F | Hi 66°F Lo 46°F | Hi 74°F Lo 55°F | Hi 82°F Lo 61°F | Hi 85°F Lo 65°F | Hi 84°F Lo 64°F | Hi 79°F Lo 59°F | Hi 67°F Lo 47°F | Hi 56°F Lo 37°F | Hi 48°F Lo 33°F |
| 6 mph | 6 mph | 6 mph | 6 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph | 5 mph | 5 mph | 5 mph |
| 4.7 in | 5.1 in | 4.5 in | 4.6 in | 4.7 in | 3.7 in | 4.8 in | 3.8 in | 4.1 in | 3.8 in | 3.7 in | 5 in |
| 78% | 79% | 76% | 75% | 77% | 75% | 75% | 74% | 75% | 75% | 73% | 77% |
| 53% | 54% | 46% | 41% | 42% | 36% | 38% | 35% | 34% | 35% | 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 | 30.1 in | 30.2 in | 30.2 in |
| 18 | 17 | 21 | 21 | 20 | 20 | 19 | 22 | 23 | 25 | 24 | 21 |
| 9 | 10 | 9 | 9 | 11 | 10 | 12 | 9 | 7 | 6 | 6 | 8 |
| 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 |
| 2 | 2 | 3 | 4 | 5 | 6 | 5 | 5 | 4 | 3 | 2 | 2 |
| 136 | 117 | 161 | 184 | 190 | 213 | 211 | 226 | 214 | 210 | 204 | 158 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 6°C Lo -3°C | Hi 9°C Lo -0°C | Hi 14°C Lo 3°C | Hi 19°C Lo 8°C | Hi 23°C Lo 13°C | Hi 28°C Lo 16°C | Hi 30°C Lo 18°C | Hi 29°C Lo 18°C | Hi 26°C Lo 15°C | Hi 20°C Lo 9°C | Hi 13°C Lo 3°C | Hi 9°C Lo 1°C |
| 10 km/h | 9 km/h | 10 km/h | 10 km/h | 8 km/h | 7 km/h | 7 km/h | 6 km/h | 7 km/h | 8 km/h | 8 km/h | 9 km/h |
| 118 mm | 129 mm | 114 mm | 116 mm | 120 mm | 95 mm | 121 mm | 97 mm | 104 mm | 96 mm | 95 mm | 128 mm |
| 78% | 79% | 76% | 75% | 77% | 75% | 75% | 74% | 75% | 75% | 73% | 77% |
| 53% | 54% | 46% | 41% | 42% | 36% | 38% | 35% | 34% | 35% | 38% | 49% |
| 1021 mb | 1020 mb | 1019 mb | 1017 mb | 1017 mb | 1016 mb | 1017 mb | 1017 mb | 1018 mb | 1018 mb | 1021 mb | 1021 mb |
| 18 | 17 | 21 | 21 | 20 | 20 | 19 | 22 | 23 | 25 | 24 | 21 |
| 9 | 10 | 9 | 9 | 11 | 10 | 12 | 9 | 7 | 6 | 6 | 8 |
| 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 |
| 2 | 2 | 3 | 4 | 5 | 6 | 5 | 5 | 4 | 3 | 2 | 2 |
| 136 | 117 | 161 | 184 | 190 | 213 | 211 | 226 | 214 | 210 | 204 | 158 |
| 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.