Houston, TX weather in March
Houston is mild in March, with some rain: highs average 73°F and nights drop to about 56°F. There are about 8 days with rain. A good month for most outdoor plans.
- Normal high
- 73°F
- Normal low
- 56°F
- Wet days
- 8
- 3.3 in total
- Muggy days
- 4
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 70°F | 77°F |
| Normal low | 53°F | 59°F |
| Chance of a wet day | 29% | 28% |
| Sunrise / sunset | 6:47 am / 6:20 pm | 7:11 am / 7:39 pm |
| Daylight | 11.6 h | 12.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical March day
- 6 am57°Fdew point 53°F
- 9 am62°Fdew point 54°F
- Noon69°Fdew point 52°F
- 3 pm72°Fdew point 52°F
- 6 pm68°Fdew point 52°F
- 9 pm62°Fdew point 54°F
NOAA hourly normals (local standard time) from Houston Intercont Airport (15 mi away); average wind 9 mph; clear or few clouds in 25% of daytime hours, mostly cloudy or overcast in 62%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F15 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more4 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 3.3 in; a dry March brings about 1.6 in and a wet one about 4.8 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How March varies from year to year
- Warmest March, 1991-20202020: average high 80°F
- Coolest March2001: average high 68°F
- Wettest March2007: 8.8 in
- Driest March1996: 0.3 in
- Highest reading90°F (March 15, 2008)
- Lowest reading27°F (March 4, 2002)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 68°F | 73°F | 79°F |
| Normal low | 50°F | 56°F | 62°F |
| Wet days | 9 | 8 | 8 |
| Comfortable days | 13 | 15 | 10 |
| Daylight | 11.2 h | 12.0 h | 12.9 h |
Highs change by +5°F from February and +6°F into April.
Nearby alternatives in March
- Cooler: Fort Worth, TX235 mi · high 68°F · 8 wet days
How Houston ranks in March
- Normal high52nd warmest of 378 cities; 12th of 38 in Texas
- Wet days160th driest of 378
- Comfortable days89th most of 339
What to pack for Houston in March
- A rain jacket or umbrella – rain on about 8 days
Heating and cooling
March has 101 heating degree days and 90 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Houston in March?
The normal high is 73°F and the normal low is 56°F. From 1991 to 2020 the hottest March reading was 90°F (March 15, 2008).
Does it rain a lot in Houston in March?
About 8 days in March have at least 0.01 in of precipitation, and the normal total is 3.3 in. The wettest March in 1991-2020 was in 2007 (8.8 in); the driest was in 1996 (0.3 in).
Is March a good time to visit Houston?
March ranks 1st of 12 months on our comfort score for Houston (68 out of 100). It has about 15 comfortable days. The best month is March.
Where the numbers come from
- Temperature, rain and frost dates: Houston Hobby Airport (USW00012918), 9.9 mi SSE of the city center, 44 ft . NOAA normals and daily records, 1991-2020.
- Snowfall, snow depth, humidity and wind by hour and cloud cover: Houston Intercont Airport (USW00012960), 15 mi N of the city center, 95 ft (59 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: G Bush Intercontinental Airport/Houston Airport (722430-12960), 15 mi N of the city center, 90 ft (54 ft higher than the city). Hourly observations, 1991-2020.