Houston, TX weather by month
South · Station: George Bush Intercontinental Airport (IAH), TX · NOAA 1991–2020 Climate Normals
The best time to visit Houston, TX is January–April, November–December, when average daytime highs are comfortable and rainfall sits at or below the city's monthly average. Houston is hottest in August (avg high 95°F) and coolest in January (avg high 64°F). The wettest month is June (6 in) and the driest is February (3 in). Overall the annual mean temperature is about 70.6°F with 52 in of precipitation a year.
Source: NOAA NCEI U.S. Climate Normals 1991–2020. Data as of June 2026.
Monthly weather averages for Houston
| Month | Avg high (°F) | Avg low (°F) | Avg precip (in) |
|---|---|---|---|
| January | 64 | 44 | 3.8 |
| February | 68 | 48 | 3 |
| March | 74 | 54 | 3.5 |
| April | 80 | 60 | 4 |
| May | 87 | 68 | 5 |
| June | 92 | 74 | 6 |
| July | 94 | 76 | 3.8 |
| August | 95 | 75 | 4.8 |
| September | 90 | 71 | 4.7 |
| October | 83 | 61 | 5.5 |
| November | 73 | 52 | 3.9 |
| December | 65 | 46 | 4 |
Source: NOAA NCEI U.S. Climate Normals 1991–2020. Data as of June 2026.
Best time to visit Houston
Based on the normals above, the most pleasant window is January–April, November–December. In those months daytime highs are in the mild-to-warm range and precipitation is no higher than the city's typical month, so you avoid both the peak very hot of August (when highs reach about 95°F — extreme heat — limit midday activity) and the cool, darker conditions around January (highs near 64°F). Try to avoid June if rain would spoil your plans — it is the wettest month at 6 in. Use the packing & comfort tool to check any specific month.
How Houston compares
Houston's 52 in of annual precipitation and 70.6°F mean temperature put it in context with other US cities. See where it ranks for warmest in January, rainiest overall and driest overall, or browse the full list of cities.
Frequently asked questions
What is the best time to visit Houston?
The most comfortable time to visit Houston, TX is January–April, November–December, when average daytime highs are mild and rainfall is at or below the city's average. Houston is hottest in August (avg high 95°F) and coolest in January (avg high 64°F), per NOAA 1991–2020 Climate Normals.
What is the average temperature in Houston?
Houston's annual mean temperature is about 70.6°F. The warmest month is August (average high 95°F, low 75°F) and the coolest is January (average high 64°F, low 44°F).
How much rain does Houston get?
Houston receives about 52 inches of precipitation a year. The wettest month is June (6 in) and the driest is February (3 in).
Source
Monthly averages from the NOAA NCEI U.S. Climate Normals 1991–2020, station George Bush Intercontinental Airport (IAH), TX (reference values verified against the published normals). Climate normals describe a 30-year average, not a forecast; any individual year can differ. See our methodology for how "best time to visit" is derived.
Last updated: 2026-06-18