Weather World
Harris County Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 55°F Lo 39°F | Hi 61°F Lo 43°F | Hi 69°F Lo 49°F | Hi 76°F Lo 55°F | Hi 84°F Lo 63°F | Hi 90°F Lo 70°F | Hi 92°F Lo 73°F | Hi 91°F Lo 73°F | Hi 87°F Lo 68°F | Hi 77°F Lo 58°F | Hi 66°F Lo 48°F | Hi 59°F Lo 44°F |
| 7 mph | 7 mph | 7 mph | 7 mph | 6 mph | 5 mph | 5 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph |
| 4.8 in | 4.8 in | 4.7 in | 5.1 in | 4.5 in | 4.6 in | 5.3 in | 5.2 in | 4.4 in | 3 in | 4 in | 6.5 in |
| 70% | 73% | 70% | 68% | 68% | 69% | 70% | 70% | 68% | 66% | 68% | 74% |
| 42% | 46% | 41% | 33% | 33% | 35% | 39% | 38% | 34% | 30% | 34% | 46% |
| 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 | 30.1 in | 30.2 in |
| 24 | 22 | 23 | 24 | 23 | 19 | 17 | 18 | 23 | 27 | 26 | 24 |
| 6 | 7 | 7 | 6 | 8 | 11 | 14 | 13 | 7 | 4 | 4 | 7 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 |
| 3 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 4 | 3 |
| 190 | 151 | 189 | 216 | 225 | 210 | 191 | 194 | 208 | 234 | 217 | 175 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 13°C Lo 4°C | Hi 16°C Lo 6°C | Hi 20°C Lo 9°C | Hi 25°C Lo 13°C | Hi 29°C Lo 17°C | Hi 32°C Lo 21°C | Hi 33°C Lo 23°C | Hi 33°C Lo 23°C | Hi 30°C Lo 20°C | Hi 25°C Lo 15°C | Hi 19°C Lo 9°C | Hi 15°C Lo 6°C |
| 12 km/h | 12 km/h | 12 km/h | 11 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 9 km/h | 10 km/h | 11 km/h | 11 km/h |
| 121 mm | 122 mm | 118 mm | 129 mm | 113 mm | 118 mm | 135 mm | 131 mm | 111 mm | 77 mm | 101 mm | 165 mm |
| 70% | 73% | 70% | 68% | 68% | 69% | 70% | 70% | 68% | 66% | 68% | 74% |
| 42% | 46% | 41% | 33% | 33% | 35% | 39% | 38% | 34% | 30% | 34% | 46% |
| 1021 mb | 1020 mb | 1019 mb | 1017 mb | 1016 mb | 1015 mb | 1016 mb | 1015 mb | 1016 mb | 1017 mb | 1021 mb | 1021 mb |
| 24 | 22 | 23 | 24 | 23 | 19 | 17 | 18 | 23 | 27 | 26 | 24 |
| 6 | 7 | 7 | 6 | 8 | 11 | 14 | 13 | 7 | 4 | 4 | 7 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 |
| 3 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 4 | 3 |
| 190 | 151 | 189 | 216 | 225 | 210 | 191 | 194 | 208 | 234 | 217 | 175 |
| 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.