Houston Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 24°F Lo 12°F | Hi 25°F Lo 11°F | Hi 33°F Lo 18°F | Hi 42°F Lo 27°F | Hi 54°F Lo 36°F | Hi 61°F Lo 42°F | Hi 67°F Lo 47°F | Hi 67°F Lo 47°F | Hi 57°F Lo 40°F | Hi 44°F Lo 31°F | Hi 32°F Lo 21°F | Hi 23°F Lo 11°F |
| 3 mph | 3 mph | 3 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 3 mph | 3 mph | 3 mph | 3 mph |
| 3.6 in | 2.4 in | 2.3 in | 2.4 in | 2.5 in | 2.7 in | 2.6 in | 2.5 in | 3.8 in | 4.2 in | 4.6 in | 3.4 in |
| 96% | 94% | 91% | 83% | 72% | 71% | 72% | 73% | 80% | 85% | 92% | 94% |
| 81% | 73% | 73% | 64% | 53% | 52% | 48% | 45% | 55% | 63% | 75% | 75% |
| 30.1 in | 30.1 in | 29.9 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 29.9 in | 30.0 in |
| 6 | 8 | 10 | 15 | 23 | 22 | 23 | 24 | 22 | 17 | 6 | 9 |
| 16 | 12 | 13 | 10 | 7 | 8 | 8 | 7 | 8 | 10 | 14 | 14 |
| 12 | 9 | 8 | 5 | 1 | 0 | 0 | 0 | 0 | 4 | 12 | 10 |
| 2 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 |
| 1 | 1 | 1 | 2 | 3 | 3 | 4 | 3 | 2 | 1 | 1 | 1 |
| 28 | 44 | 47 | 77 | 120 | 120 | 149 | 173 | 127 | 94 | 43 | 49 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -4°C Lo -11°C | Hi -4°C Lo -12°C | Hi 0°C Lo -8°C | Hi 6°C Lo -3°C | Hi 12°C Lo 2°C | Hi 16°C Lo 5°C | Hi 19°C Lo 8°C | Hi 19°C Lo 8°C | Hi 14°C Lo 4°C | Hi 7°C Lo -1°C | Hi -0°C Lo -6°C | Hi -5°C Lo -12°C |
| 5 km/h | 5 km/h | 6 km/h | 6 km/h | 6 km/h | 7 km/h | 6 km/h | 6 km/h | 5 km/h | 5 km/h | 5 km/h | 5 km/h |
| 91 mm | 61 mm | 60 mm | 60 mm | 65 mm | 69 mm | 66 mm | 64 mm | 96 mm | 108 mm | 118 mm | 86 mm |
| 96% | 94% | 91% | 83% | 72% | 71% | 72% | 73% | 80% | 85% | 92% | 94% |
| 81% | 73% | 73% | 64% | 53% | 52% | 48% | 45% | 55% | 63% | 75% | 75% |
| 101.8 kPa | 101.8 kPa | 101.4 kPa | 101.5 kPa | 101.5 kPa | 101.4 kPa | 101.6 kPa | 101.5 kPa | 101.4 kPa | 101.5 kPa | 101.4 kPa | 101.6 kPa |
| 6 | 8 | 10 | 15 | 23 | 22 | 23 | 24 | 22 | 17 | 6 | 9 |
| 16 | 12 | 13 | 10 | 7 | 8 | 8 | 7 | 8 | 10 | 14 | 14 |
| 12 | 9 | 8 | 5 | 1 | 0 | 0 | 0 | 0 | 4 | 12 | 10 |
| 2 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 |
| 1 | 1 | 1 | 2 | 3 | 3 | 4 | 3 | 2 | 1 | 1 | 1 |
| 28 | 44 | 47 | 77 | 120 | 120 | 149 | 173 | 127 | 94 | 43 | 49 |
| 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.
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