Round Rock Weather in March
Average highs run from 68°F on March 1 to 76°F on March 31, and lows from 44°F to 52°F. Normal precipitation for the month is 2.95 in over about 8 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
- 72°F
- Average low
- 48°F
- Precipitation
- 2.95 in
- Record high
- 96°FMar 28, 1971
- Record low
- 17°FMar 2, 1980
- Chance of a freeze
- 77%
- Daylight
- 11 h 33 min to 12 h 28 min
- Cloud cover
- 61%
- Humidity
- 73%
- Dew point
- 50°F
- Wind
- 10.7 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 | 68°F | 44°F | 87°F 1975 | 27°F 1968 | 27% |
| Mar 2 | 68°F | 44°F | 87°F 1975 | 17°F 1980 | 27% |
| Mar 3 | 69°F | 44°F | 86°F 2006 | 21°F 2014 | 27% |
| Mar 4 | 69°F | 45°F | 87°F 1991 | 22°F 2014 | 27% |
| Mar 5 | 69°F | 45°F | 91°F 1991 | 25°F 1989 | 27% |
| Mar 6 | 69°F | 45°F | 94°F 1991 | 24°F 2019 | 27% |
| Mar 7 | 70°F | 46°F | 91°F 1991 | 22°F 1989 | 27% |
| Mar 8 | 70°F | 46°F | 85°F 2009 | 26°F 1996 | 27% |
| Mar 9 | 70°F | 46°F | 86°F 2006 | 21°F 1996 | 27% |
| Mar 10 | 70°F | 46°F | 88°F 1980 | 26°F 1996 | 26% |
| Mar 11 | 71°F | 47°F | 91°F 1967 | 30°F 1998 | 26% |
| Mar 12 | 71°F | 47°F | 90°F 1967 | 33°F 1998 | 26% |
| Mar 13 | 71°F | 47°F | 91°F 1971 | 30°F 1968 | 26% |
| Mar 14 | 71°F | 48°F | 91°F 1971 | 27°F 1993 | 26% |
| Mar 15 | 72°F | 48°F | 90°F 2016 | 34°F 1988 | 25% |
| Mar 16 | 72°F | 48°F | 87°F 2016 | 39°F 2001 | 25% |
| Mar 17 | 72°F | 48°F | 88°F 1972 | 33°F 1976 | 25% |
| Mar 18 | 72°F | 49°F | 87°F 1994 | 31°F 1980 | 25% |
| Mar 19 | 73°F | 49°F | 91°F 1974 | 27°F 1965 | 24% |
| Mar 20 | 73°F | 49°F | 89°F 1976 | 22°F 1965 | 24% |
| Mar 21 | 73°F | 49°F | 86°F 1976 | 30°F 1965 | 24% |
| Mar 22 | 74°F | 50°F | 95°F 1971 | 31°F 1970 | 24% |
| Mar 23 | 74°F | 50°F | 90°F 1995 | 32°F 1968 | 24% |
| Mar 24 | 74°F | 50°F | 88°F 1995 | 31°F 2006 | 24% |
| Mar 25 | 74°F | 50°F | 87°F 2020 | 33°F 2006 | 24% |
| Mar 26 | 75°F | 51°F | 88°F 2020 | 32°F 1965 | 24% |
| Mar 27 | 75°F | 51°F | 95°F 1984 | 37°F 1965 | 24% |
| Mar 28 | 75°F | 51°F | 96°F 1971 | 37°F 2009 | 24% |
| Mar 29 | 75°F | 51°F | 95°F 1971 | 32°F 1987 | 23% |
| Mar 30 | 76°F | 51°F | 89°F 1974 | 32°F 1987 | 23% |
| Mar 31 | 76°F | 52°F | 90°F 1974 | 31°F 1987 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- March 1
- sunrise 6:57 AM, sunset 6:30 PM
- March 31
- sunrise 7:21 AM, sunset 7:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410433 (Austin Great Hills), public domain. Records: NOAA GHCN-Daily, station USC00412820, 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.