Houston, DE
Climate overview — based on NOAA 1991-2020 normals from GREENWOOD 2NE, DE US.
Year-round temperatures (°F)
Climate summary
Houston has an annual average temperature of 55.4°F with about 46.3 inches of precipitation per year and 12.8 inches of snow. The warmest month is July (average high 86.7°F), and the coldest is January (average low 25.4°F). September is typically the wettest month (4.77 in) and February the driest (2.91 in). Snow typically falls from December through April.
Best time to visit Houston
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Houston's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1980s | 69 | |
| 1990s | 141 | |
| 2000s | 145 | |
| 2010s | 11 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 43.6°F | 25.4°F | 34.5°F | 3.61 in | 3.3 in | 9 |
| February | 45.7°F | 26.3°F | 36.0°F | 2.91 in | 5.9 in | 8 |
| March | 53.9°F | 32.9°F | 43.4°F | 4.01 in | 1.6 in | 11 |
| April | 64.7°F | 42.4°F | 53.5°F | 3.44 in | 0.2 in | 10 |
| May | 73.3°F | 51.9°F | 62.6°F | 3.67 in | — | 10 |
| June | 82.1°F | 61.6°F | 71.9°F | 4.19 in | — | 10 |
| July | 86.7°F | 66.7°F | 76.7°F | 4.01 in | — | 9 |
| August | 85.0°F | 64.7°F | 74.9°F | 4.50 in | — | 8 |
| September | 78.9°F | 57.9°F | 68.4°F | 4.77 in | — | 8 |
| October | 68.2°F | 46.2°F | 57.2°F | 4.23 in | — | 9 |
| November | 57.3°F | 37.2°F | 47.2°F | 3.19 in | — | 8 |
| December | 48.2°F | 29.3°F | 38.8°F | 3.78 in | 1.8 in | 10 |
Climate twins of Houston
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).