Houston weather in March: Houston, Texas: normal highs, lows, rain and records for March
Houston in March has a normal high of 74°F and a normal low of 54°F, a daily mean of 64°F, rising from 71°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 9 days in a normal March, 3.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 12°C, 88 mm of precipitation in March.
- NOAA stationHouston Intercontinental Airport
- Station IDUSW00012960
- Location29.98°N 95.36°W
- Elevation95 ft (29 m)
- From the center14 miles
- Population2,390,125
- Jan 64° 44°
- Feb 68° 48°
- Mar 74° 54°
- Apr 80° 60°
- May 87° 68°
- Jun 92° 74°
- Jul 95° 76°
- Aug 95° 75°
- Sep 90° 71°
- Oct 83° 61°
- Nov 73° 52°
- Dec 65° 46°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Houston in March?
The normal high is 74°F and the normal low 54°F, for a daily mean of 63.8°F. March is 6.1°F warmer than February and 6.2°F cooler than April. March is the 8th warmest month of the year in Houston and the 11th wettest. Across the month the normal high rises 6°F, from 71°F on March 1 to 77°F on March 31. From one year to the next March's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 61°F and 67°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 71°F | 51°F | 29% | 17% |
| March 8 | 72°F | 52°F | 29% | 16% |
| March 15 | 74°F | 54°F | 28% | 16% |
| March 22 | 75°F | 55°F | 28% | 15% |
| March 31 | 77°F | 56°F | 27% | 15% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 71°F | 51°F | 29% | 17% | 11 h 30 min |
| March 2 | 71°F | 51°F | 29% | 17% | 11 h 30 min |
| March 3 | 71°F | 51°F | 29% | 17% | 11 h 30 min |
| March 4 | 71°F | 51°F | 29% | 16% | 11 h 40 min |
| March 5 | 72°F | 52°F | 29% | 16% | 11 h 40 min |
| March 6 | 72°F | 52°F | 29% | 16% | 11 h 40 min |
| March 7 | 72°F | 52°F | 29% | 16% | 11 h 40 min |
| March 8 | 72°F | 52°F | 29% | 16% | 11 h 40 min |
| March 9 | 72°F | 52°F | 29% | 16% | 11 h 50 min |
| March 10 | 73°F | 53°F | 29% | 16% | 11 h 50 min |
| March 11 | 73°F | 53°F | 29% | 16% | 11 h 50 min |
| March 12 | 73°F | 53°F | 29% | 16% | 11 h 50 min |
| March 13 | 73°F | 53°F | 28% | 16% | 11 h 50 min |
| March 14 | 74°F | 53°F | 28% | 16% | 11 h 50 min |
| March 15 | 74°F | 54°F | 28% | 16% | 12 h |
| March 16 | 74°F | 54°F | 28% | 16% | 12 h |
| March 17 | 74°F | 54°F | 28% | 16% | 12 h |
| March 18 | 75°F | 54°F | 28% | 16% | 12 h |
| March 19 | 75°F | 54°F | 28% | 16% | 12 h |
| March 20 | 75°F | 54°F | 28% | 16% | 12 h 10 min |
| March 21 | 75°F | 55°F | 28% | 15% | 12 h 10 min |
| March 22 | 75°F | 55°F | 28% | 15% | 12 h 10 min |
| March 23 | 76°F | 55°F | 28% | 15% | 12 h 10 min |
| March 24 | 76°F | 55°F | 28% | 15% | 12 h 10 min |
| March 25 | 76°F | 55°F | 27% | 15% | 12 h 10 min |
| March 26 | 76°F | 55°F | 27% | 15% | 12 h 20 min |
| March 27 | 76°F | 56°F | 27% | 15% | 12 h 20 min |
| March 28 | 77°F | 56°F | 27% | 15% | 12 h 20 min |
| March 29 | 77°F | 56°F | 27% | 15% | 12 h 20 min |
| March 30 | 77°F | 56°F | 27% | 15% | 12 h 20 min |
| March 31 | 77°F | 56°F | 27% | 15% | 12 h 30 min |
- Normal high
- 74°FMarch average
- Normal low
- 54°FMarch average
- Precipitation
- 3.47 inmonth total
- Days with precipitation
- 90.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 11 h 30 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 23
- Days at 80°F or more
- 9
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012960; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Houston in March?
On a given March day the chance of 0.01 inch or more is 28% on average, highest around March 1 (29%). In all, 3.47 in falls on 9 days of a normal March, 1 of them with an inch or more.
In a normal March in Houston, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012960.
How humid and windy is Houston in March?
At 3 p.m. the normal temperature is 74°F with 52% relative humidity and a dew point of 56°F; at 6 a.m. it is 60°F with 87% humidity. The wind averages 8.8 mph, most often from the southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 60°F | 56°F | 87% | 5.9 mph | 25% |
| 9 a.m. | 66°F | 57°F | 73% | 10.0 mph | 23% |
| noon | 72°F | 56°F | 56% | 11.3 mph | 21% |
| 3 p.m. | 74°F | 56°F | 52% | 11.8 mph | 23% |
| 6 p.m. | 71°F | 56°F | 59% | 10.9 mph | 23% |
| 9 p.m. | 65°F | 57°F | 75% | 8.3 mph | 32% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012960. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for March in Houston?
The warmest March temperature on Houston's official record (since 1888) is 96°F, on March 30, 1946; the coldest is 21°F, on March 3, 1943. The wettest March brought 10.66 in (1922).
The March mean against the 1991-2020 normal of 63.8°F: 2021 64.4°F (+0.6), 2022 62.0°F (−1.8), 2023 67.2°F (+3.4), 2024 66.6°F (+2.8), 2025 68.4°F (+4.6), 2026 69.9°F (+6.1). 5 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.4°F | +0.6°F | 1.38 in |
| 2022 | 62.0°F | −1.8°F | 2.87 in |
| 2023 | 67.2°F | +3.4°F | 1.15 in |
| 2024 | 66.6°F | +2.8°F | 2.20 in |
| 2025 | 68.4°F | +4.6°F | 1.91 in |
| 2026 | 69.9°F | +6.1°F | 3.45 in |
Source: records: ACIS, NWS threaded record IAHthr; recent months: ACIS, station USW00012960. Records and recent months use complete months only.
How does March in Houston compare across Texas?
Across the 321 places PlainClimate covers in Texas, March normal highs run from 62°F in Gruver to 83°F in McAllen; Houston's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.