Monthly climate guide
Houston weather in March
Expect warm weather in Houston in March: afternoons reach about 23°C (74°F), while nights drop to around 12°C (53°F). Around 85 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are 4°C warmer than February and 3°C cooler than April.
What stands out in March
- Expect a big gap between day and night — about 12°C.
- Temperatures are climbing — April is around 4°C warmer.
- Houston is usually about 2°C cooler than Corpus Christi, 290 km away, in March.
- Seasonally, March counts as early spring in Houston.
Avg high
23°C
74°F
Avg low
12°C
53°F
Rainfall
85 mm
some rain
Humidity
79%
relative
Sky
62%
cloud · often cloudy
Houston weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 17°C / 62°F | 5°C / 41°F | 93 mm | 80% | 58% |
| February | 19°C / 67°F | 8°C / 46°F | 64 mm | 81% | 66% |
| March | 23°C / 74°F | 12°C / 53°F | 85 mm | 79% | 62% |
| April | 27°C / 80°F | 15°C / 59°F | 93 mm | 76% | 56% |
| May | 31°C / 87°F | 19°C / 67°F | 147 mm | 74% | 52% |
| June | 34°C / 93°F | 23°C / 74°F | 116 mm | 73% | 45% |
| July | 35°C / 94°F | 24°C / 75°F | 87 mm | 72% | 44% |
| August | 36°C / 97°F | 24°C / 76°F | 136 mm | 69% | 43% |
| September | 33°C / 91°F | 22°C / 71°F | 118 mm | 74% | 45% |
| October | 29°C / 83°F | 16°C / 61°F | 103 mm | 74% | 34% |
| November | 22°C / 72°F | 11°C / 51°F | 73 mm | 77% | 50% |
| December | 18°C / 65°F | 7°C / 45°F | 101 mm | 81% | 63% |
What to pack for March
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is March a good time to visit Houston?
Compare the months in the chart above to find your ideal window.
Best time to visit Houston →Other United States cities in March
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Houston weather in March. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/houston/march
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Houston in March: quick answers
Is March a good time to visit Houston?
March is a reasonable time for Houston: highs around 23°C and about 85 mm of rain, though not one of the three best months.
How warm is Houston in March?
Average highs are about 23°C (74°F) and average lows about 12°C (53°F), based on 10 years of daily data.
Does it rain a lot in Houston in March?
Houston typically gets around 85 mm of rain in March — some rain.
Figures are long-term averages for the area around Houston (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.