Houston, TX Climate & Monthly Averages
The climate of Houston
Houston has a humid subtropical climate, marked by hot, humid summers and generally mild winters. Average daytime highs range from about 62°F (17°C) in January to around 92°F (33°C) in August, and the city records roughly 165 days of measurable precipitation a year.
Climate quick facts
- Hottest month: August - highs near 92°F (33°C)
- Coldest month: January - highs near 62°F (17°C)
- Record high: 107°F (42°C) · Record low: 12°F (-11°C) (2015–2024)
- Wettest month: May (17 rainy days) · Sunniest: June (11.0 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 92°F (33°C) and overnight lows stay near 77°F (25°C). The coolest month is January, with typical highs of 62°F (17°C) and lows around 45°F (7°C). Based on 2015–2024 weather data, temperatures have reached as high as 107°F (42°C) and dropped as low as 12°F (-11°C).
Rain, sun and snow
May is usually the wettest month. It brings about 8.8 inches (223 mm) of rain over 17 days, while February is the driest. June brings the most sunshine, averaging 11.0 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 62° | 45° | 11 | 5.7 in | 7.0 h/day | 73% |
| February | 67° | 49° | 12 | 3.8 in | 6.8 h/day | 77% |
| March | 73° | 57° | 14 | 5.4 in | 7.6 h/day | 77% |
| April | 78° | 62° | 14 | 6.8 in | 8.8 h/day | 77% |
| May | 84° | 69° | 17 | 8.8 in | 9.6 h/day | 80% |
| June | 89° | 74° | 16 | 7.2 in | 11.0 h/day | 79% |
| July | 91° | 76° | 16 | 7.2 in | 11.0 h/day | 79% |
| August | 92° | 77° | 17 | 7.2 in | 10.9 h/day | 77% |
| September | 87° | 73° | 14 | 7.3 in | 9.8 h/day | 78% |
| October | 81° | 64° | 10 | 5.5 in | 9.2 h/day | 73% |
| November | 71° | 55° | 10 | 4.5 in | 7.5 h/day | 76% |
| December | 67° | 51° | 12 | 6.1 in | 6.7 h/day | 77% |
Houston month by month
Houston weather in January
January brings highs around 62°F (17°C), lows near 45°F (7°C), about 11 wet days - typically the coldest month of the year in Houston.
Houston weather in February
February brings highs around 67°F (19°C), lows near 49°F (10°C), about 12 wet days - typically the driest month of the year in Houston.
Houston weather in March
March brings highs around 73°F (23°C), lows near 57°F (14°C), about 14 wet days.
Houston weather in April
April brings highs around 78°F (25°C), lows near 62°F (16°C), about 14 wet days.
Houston weather in May
May brings highs around 84°F (29°C), lows near 69°F (21°C), about 17 wet days - typically the wettest month of the year in Houston.
Houston weather in June
June brings highs around 89°F (32°C), lows near 74°F (24°C), about 16 wet days - typically the sunniest month of the year in Houston.
Houston weather in July
July brings highs around 91°F (33°C), lows near 76°F (25°C), about 16 wet days.
Houston weather in August
August brings highs around 92°F (33°C), lows near 77°F (25°C), about 17 wet days - typically the hottest month of the year in Houston.
Houston weather in September
September brings highs around 87°F (31°C), lows near 73°F (23°C), about 14 wet days.
Houston weather in October
October brings highs around 81°F (27°C), lows near 64°F (18°C), about 10 wet days.
Houston weather in November
November brings highs around 71°F (22°C), lows near 55°F (13°C), about 10 wet days.
Houston weather in December
December brings highs around 67°F (19°C), lows near 51°F (10°C), about 12 wet days.
Seasons in Houston
Spring (March through May)
Spring in Houston brings comfortable warmth, with daytime highs averaging 78°F (26°C) and nights around 62°F (17°C); expect showers on roughly 46 days across the season.
Summer (June through August)
Summer in Houston brings hot afternoons, with daytime highs averaging 90°F (32°C) and nights around 76°F (24°C); expect showers on roughly 50 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Houston is pleasantly warm, with daytime highs averaging 80°F (27°C) and nights around 64°F (18°C); expect showers on roughly 35 days across the season.
Winter (December through February)
Winter in Houston is crisp but comfortable, with daytime highs averaging 65°F (18°C) and nights around 48°F (9°C); expect showers on roughly 34 days across the season.
Climate questions, answered
What is the average temperature in Houston?
Is Houston hot in summer?
Is Houston cold in winter?
How many rainy days does Houston get in a year?
Best time to visit Houston
The best time to visit Houston is generally October to February, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 70°F (21°C).
Pack for Houston with lightweight, breathable clothing and strong sun protection for the hot months; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - August nights average 77°F (25°C).
Houston temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.