Climate averages 1991–2020
Norman weather
in March.
A mild, moderately wet month: the 8th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Norman: daytime highs average 16.8°C and nights cool to about 6.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 74 mm of rain on roughly 8 days, which makes March a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average March day.
The nearest other city in this atlas is Oklahoma City (28 km away). In March its highs average 16.7°C, about as warm as Norman, with 72 mm of rain.
Among the 498 cities listed in the United States, Norman ranks joint 231st 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; Norman is 1.9°C warmer than that mean.
From March to April, average highs rise by 4.8°C to 21.7°C, and monthly rainfall rises from 74 mm to 100 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
Norman climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.3°C0.1°C | 0.1°C | 37 | 4.7 | 10.110 h |
| February | 12.0°C1.9°C | 1.9°C | 46 | 5.7 | 10.911 h |
| March, selected | 16.8°C6.6°C | 6.6°C | 74 | 7.7 | 11.912 h |
| April | 21.7°C11.3°C | 11.3°C | 100 | 8.6 | 13.113 h |
| May | 26.1°C16.6°C | 16.6°C | 113 | 10.7 | 14.014 h |
| June | 30.7°C21.6°C | 21.6°C | 95 | 9.0 | 14.514 h |
| July | 33.6°C24.1°C | 24.1°C | 55 | 6.2 | 14.314 h |
| August | 33.2°C23.8°C | 23.8°C | 57 | 6.5 | 13.513 h |
| September | 28.6°C19.4°C | 19.4°C | 73 | 6.6 | 12.412 h |
| October | 22.4°C13.1°C | 13.1°C | 76 | 7.0 | 11.311 h |
| November | 15.5°C6.7°C | 6.7°C | 50 | 5.8 | 10.410 h |
| December | 10.0°C1.5°C | 1.5°C | 48 | 5.1 | 9.810 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
- Oklahoma City in MarchUnited States · 28 kmHigh 16.7°C · Low 5.9°C · 72 mm rain
- Edmond in MarchUnited States · 48 kmHigh 16.6°C · Low 5.9°C · 69 mm rain
- Lawton in MarchUnited States · 110 kmHigh 18.3°C · Low 6.9°C · 71 mm rain
- Tulsa in MarchUnited States · 167 kmHigh 16.1°C · Low 6.0°C · 93 mm rain
- Wichita Falls in MarchUnited States · 175 kmHigh 19.7°C · Low 8.1°C · 73 mm rain
- Broken Arrow in MarchUnited States · 175 kmHigh 16.1°C · Low 6.0°C · 96 mm rain
- Denton in MarchUnited States · 225 kmHigh 19.0°C · Low 9.1°C · 94 mm rain
- Frisco in MarchUnited States · 237 kmHigh 18.9°C · Low 8.8°C · 101 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 Norman) is explained once on the Norman year overview and on the Sources, method and limits page.