Climate averages 1991–2020
Round Rock weather
in March.
A mild, moderately wet month: the 8th warmest and the joint 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Round Rock: daytime highs average 21.4°C and nights cool to about 11.0°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 74 mm of rain on roughly 9 days, which makes March a moderately wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average March day.
The nearest other city in this atlas is Austin (28 km away). In March its highs average 21.8°C, about as warm as Round Rock, with 74 mm of rain.
Among the 498 cities listed in the United States, Round Rock ranks joint 70th of 498 for the warmest March highs and joint 245th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Round Rock is 6.5°C warmer than that mean.
From March to April, average highs rise by 4.1°C to 25.5°C, and monthly rainfall rises from 74 mm to 76 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Round Rock climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.6°C5.8°C | 5.8°C | 59 | 6.8 | 10.410 h |
| February | 17.8°C7.6°C | 7.6°C | 61 | 7.4 | 11.111 h |
| March, selected | 21.4°C11.0°C | 11.0°C | 74 | 8.8 | 12.012 h |
| April | 25.5°C14.9°C | 14.9°C | 76 | 8.2 | 12.913 h |
| May | 28.9°C19.3°C | 19.3°C | 110 | 10.8 | 13.714 h |
| June | 32.4°C22.7°C | 22.7°C | 72 | 8.7 | 14.114 h |
| July | 34.5°C24.2°C | 24.2°C | 39 | 5.7 | 13.914 h |
| August | 34.7°C24.6°C | 24.6°C | 54 | 5.8 | 13.313 h |
| September | 31.1°C21.5°C | 21.5°C | 74 | 7.4 | 12.412 h |
| October | 26.4°C16.4°C | 16.4°C | 86 | 7.1 | 11.511 h |
| November | 20.3°C10.8°C | 10.8°C | 69 | 6.6 | 10.611 h |
| December | 16.3°C6.8°C | 6.8°C | 70 | 7.5 | 10.210 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Austin in MarchUnited States · 28 kmHigh 21.8°C · Low 11.2°C · 74 mm rain
- Killeen in MarchUnited States · 68 kmHigh 20.9°C · Low 10.3°C · 78 mm rain
- Temple in MarchUnited States · 73 kmHigh 20.6°C · Low 10.4°C · 85 mm rain
- New Braunfels in MarchUnited States · 99 kmHigh 22.2°C · Low 11.8°C · 75 mm rain
- Waco in MarchUnited States · 126 kmHigh 20.6°C · Low 10.3°C · 88 mm rain
- Bryan in MarchUnited States · 127 kmHigh 21.1°C · Low 11.0°C · 90 mm rain
- College Station in MarchUnited States · 129 kmHigh 21.2°C · Low 11.1°C · 90 mm rain
- San Antonio in MarchUnited States · 144 kmHigh 22.8°C · Low 12.1°C · 79 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Round Rock) is explained once on the Round Rock year overview and on the Sources, method and limits page.