Brownsville Weather in March
Average highs run from 79°F on March 1 to 81°F on March 31, and lows from 64°F to 66°F. Normal precipitation for the month is 2.81 in over about 7 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 80°F
- Average low
- 65°F
- Precipitation
- 2.81 in
- Record high
- 93°FMar 22, 2003
- Record low
- 32°FMar 3, 1980
- Chance of a freeze
- 0%
- Days of 90°F or more
- 0.8
- Daylight
- 11 h 39 min to 12 h 24 min
- Cloud cover
- 52%
- Humidity
- 73%
- Dew point
- 64°F
- Wind
- 13.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Mar 1 | 79°F | 64°F | 88°F 2011 | 44°F 1968 | 22% |
| Mar 2 | 79°F | 64°F | 90°F 2003 | 37°F 1968 | 21% |
| Mar 3 | 79°F | 64°F | 90°F 2007 | 32°F 1980 | 21% |
| Mar 4 | 79°F | 64°F | 90°F 2003 | 41°F 1980 | 21% |
| Mar 5 | 79°F | 64°F | 91°F 2020 | 44°F 2010 | 21% |
| Mar 6 | 79°F | 64°F | 91°F 2023 | 45°F 1960 | 21% |
| Mar 7 | 79°F | 64°F | 91°F 2023 | 47°F 1960 | 22% |
| Mar 8 | 79°F | 64°F | 90°F 2023 | 42°F 1962 | 22% |
| Mar 9 | 79°F | 64°F | 88°F 1991 | 45°F 1971 | 22% |
| Mar 10 | 79°F | 64°F | 89°F 1964 | 46°F 1957 | 22% |
| Mar 11 | 79°F | 64°F | 88°F 1948 | 48°F 1957 | 22% |
| Mar 12 | 79°F | 64°F | 90°F 2022 | 44°F 1983 | 22% |
| Mar 13 | 80°F | 64°F | 91°F 2001 | 47°F 1959 | 22% |
| Mar 14 | 80°F | 64°F | 90°F 1952 | 46°F 1968 | 22% |
| Mar 15 | 80°F | 64°F | 90°F 2008 | 44°F 1993 | 22% |
| Mar 16 | 80°F | 64°F | 91°F 2008 | 44°F 1988 | 22% |
| Mar 17 | 80°F | 64°F | 88°F 1953 | 45°F 1952 | 22% |
| Mar 18 | 80°F | 65°F | 91°F 2024 | 45°F 1978 | 22% |
| Mar 19 | 80°F | 65°F | 90°F 2003 | 49°F 1956 | 22% |
| Mar 20 | 80°F | 65°F | 89°F 1965 | 50°F 1981 | 22% |
| Mar 21 | 80°F | 65°F | 91°F 1994 | 42°F 1956 | 22% |
| Mar 22 | 80°F | 65°F | 93°F 2003 | 47°F 1951 | 22% |
| Mar 23 | 80°F | 65°F | 90°F 2005 | 46°F 1986 | 22% |
| Mar 24 | 80°F | 65°F | 90°F 2013 | 46°F 1968 | 22% |
| Mar 25 | 81°F | 65°F | 90°F 2020 | 52°F 1968 | 22% |
| Mar 26 | 81°F | 65°F | 89°F 1984 | 49°F 1956 | 22% |
| Mar 27 | 81°F | 66°F | 91°F 2015 | 47°F 2013 | 22% |
| Mar 28 | 81°F | 66°F | 91°F 2016 | 52°F 1955 | 22% |
| Mar 29 | 81°F | 66°F | 90°F 1974 | 52°F 1955 | 22% |
| Mar 30 | 81°F | 66°F | 90°F 1974 | 49°F 1955 | 22% |
| Mar 31 | 81°F | 66°F | 92°F 2020 | 44°F 1950 | 22% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 6:44 AM, sunset 6:23 PM
- March 31
- sunrise 7:13 AM, sunset 7:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00083909 (Hialeah), public domain. Records: NOAA GHCN-Daily, station USW00012839, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.