Weather radar Houston
Real-time precipitation radar · Texas · United States
Houston climate table – average temperature, precipitation & sunshine hours
The climate table for Houston shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 17.1° | 19.2° | 23.7° | 26° | 29.6° | 32.7° | 33.2° | 33.8° | 31.6° | 28.4° | 22.7° | 20.8° |
| Avg low (°C) | 7° | 9° | 13.5° | 17.3° | 21.6° | 24.4° | 24.8° | 24.8° | 21.8° | 17.4° | 12.7° | 11.2° |
| Precipitation (mm) | 132 | 64 | 75 | 101 | 191 | 106 | 170 | 127 | 104 | 73 | 112 | 82 |
| Rainy days | 10 | 9 | 12 | 12 | 15 | 14 | 16 | 18 | 10 | 7 | 9 | 10 |
| Sunshine hours | 200 | 193 | 264 | 276 | 313 | 356 | 339 | 335 | 304 | 291 | 230 | 222 |
| Humidity | 71% | 76% | 72% | 74% | 78% | 77% | 78% | 77% | 76% | 71% | 76% | 77% |
Best time to visit Houston
The best time to visit Houston is typically October. In this month the average high is 28.4°C, precipitation is 73 mm and sunshine duration is 291 hours. The annual average high is 26.6°C, total annual precipitation is 1337 mm (142 rainy days/year) and annual sunshine is 3323 hours.
Frequently asked questions about the weather in Houston
How up to date is the weather radar for Houston?
The weather radar for Houston is updated every 5 minutes with new radar data from the US NEXRAD network. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Houston?
Besides the rain radar, RadarWeather provides for Houston: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Houston?
The thunderstorm potential for Houston is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Houston.
What is the climate like in Houston?
Houston has an annual average high of 26.6°C. The warmest month is August (avg high 33.8°C), the coldest January (avg low 7°C). The wettest month is May with 191 mm, the driest February with 64 mm. Total annual precipitation is 1337 mm (142 rainy days). Annual sunshine is 3323 hours.
Weather radar near Houston
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