TX · climate averages
Houston Weather by Month
These are climate averages, not a forecast. Station Houston Intercont AP (USW00012960), 12.4 miles from downtown, elevation 95 ft.
Houston's warmest month is August (avg high 94.9°F), coldest is January (avg low 43.7°F) and wettest is June (6.00 in), per NOAA 1991–2020 climate normals.
- Warmest high August 94.9°F
- Coldest low January 43.7°F
- Wettest month June 6.00 in
- Year of rain 12 months 51.84 in
Monthly Averages
Houston's 12 monthly precipitation normals add up to 51.84 inches a year.
February is the driest month, with a precipitation normal of 2.97 inches.
Houston averages 104.4 days a year with at least 0.01 inch of precipitation.
| Month | Avg high | Avg low | Precipitation | Days ≥ 0.01 in | Snow |
|---|---|---|---|---|---|
| January | 63.8°F | 43.7°F | 3.76 in | 10.0 | 0.0 in |
| February | 67.8°F | 47.6°F | 2.97 in | 8.8 | 0.0 in |
| March | 74.0°F | 53.6°F | 3.47 in | 8.8 | 0.0 in |
| April | 80.1°F | 59.8°F | 3.95 in | 7.3 | 0.0 in |
| May | 86.9°F | 67.8°F | 5.01 in | 8.6 | 0.0 in |
| June | 92.3°F | 73.7°F | 6.00 in | 10.0 | 0.0 in |
| July | 94.5°F | 75.7°F | 3.77 in | 9.1 | 0.0 in |
| August | 94.9°F | 75.4°F | 4.84 in | 8.5 | 0.0 in |
| September | 90.4°F | 70.6°F | 4.71 in | 8.4 | 0.0 in |
| October | 82.8°F | 60.9°F | 5.46 in | 7.7 | 0.0 in |
| November | 72.6°F | 51.5°F | 3.87 in | 7.6 | 0.0 in |
| December | 65.3°F | 45.6°F | 4.03 in | 9.6 | 0.1 in |
Warmest, Coldest and Wettest Months
The warmest month is August, with an average high of 94.9°F.
The coldest month is January, with an average low of 43.7°F.
The wettest month is June, at 6.00 inches of precipitation over about 10.0 days.
In Houston, four months (June, July, August and September) have an average high of at least 90°F.
The range from the lowest average low to the highest average high in Houston is 51.2°F.
In August, the average high in Houston is 19.5°F above the average low.
Best Months to Visit Houston for Weather
February, March, April, November and December meet the weather rule on this page: an average high from 65 to 85°F and precipitation below 4.32 inches.
The rule keeps a month when the average high is from 65 to 85°F and precipitation is below 4.32 inches, the mean of the twelve monthly precipitation normals.
- February · 67.8°F
- March · 74.0°F
- April · 80.1°F
- November · 72.6°F
- December · 65.3°F
Nearby cities
Austin is the closest other city on this site, 139.8 miles away. Its July average high is 96.6°F, 2.1°F warmer than Houston.
About This Data
Source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991–2020. Station: HOUSTON INTERCONT AP (USW00012960), 12.4 mi from downtown, elevation 95 ft. Climate normals are 30-year averages, not forecasts. MonthSky is not affiliated with NOAA.
Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/wck8-er13. Accessed 2026-10-21.
U.S. Government work.
NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
These pages are built automatically from public NOAA data.
U.S. Monthly Climate Normals (1991-2020) dataset
NCEI dataset landing page for the monthly normals
FAQ
What is the hottest month in Houston?
August is the warmest, with an average high of 94.9°F.
What is the wettest month in Houston?
June is the wettest, at 6.00 inches over about 10.0 days.
How many rainy days does Houston get a year?
The monthly counts of days with at least 0.01 inch of precipitation add up to 104.4 days.
When is the best time to visit Houston for weather?
February, March, April, November and December meet the rule used on this page: average high from 65 to 85°F and precipitation below the monthly mean of 4.32 inches.