Climate averages 1991–2020
Saint George weather
in March.
A mild, fairly dry month: the 8th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Saint George: daytime highs average 17.6°C and nights cool to about 5.8°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 34 mm of rain on roughly 6 days, which makes March a fairly dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average March day.
The nearest other city in this atlas is Henderson (172 km away). In March its highs average 21.2°C, 3.6°C warmer than Saint George, with 15 mm of rain.
Among the 498 cities listed in the United States, Saint George ranks joint 204th of 498 for the warmest March highs and 41st of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Saint George is 2.7°C warmer than that mean.
From March to April, average highs rise by 4.7°C to 22.3°C, and monthly rainfall falls from 34 mm to 18 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
Saint George climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.4°C0.1°C | 0.1°C | 35 | 5.1 | 9.910 h |
| February | 12.8°C1.9°C | 1.9°C | 42 | 6.2 | 10.811 h |
| March, selected | 17.6°C5.8°C | 5.8°C | 34 | 5.6 | 11.912 h |
| April | 22.3°C9.9°C | 9.9°C | 18 | 3.0 | 13.113 h |
| May | 28.1°C15.7°C | 15.7°C | 8.5 | 2.1 | 14.114 h |
| June | 34.2°C21.7°C | 21.7°C | 3.2 | 0.5 | 14.715 h |
| July | 36.8°C25.9°C | 25.9°C | 9.7 | 2.1 | 14.414 h |
| August | 35.6°C24.8°C | 24.8°C | 14 | 2.8 | 13.614 h |
| September | 31.2°C19.2°C | 19.2°C | 20 | 2.7 | 12.512 h |
| October | 23.8°C11.8°C | 11.8°C | 25 | 3.4 | 11.311 h |
| November | 16.1°C4.9°C | 4.9°C | 22 | 3.2 | 10.210 h |
| December | 9.9°C0.2°C | 0.2°C | 28 | 4.8 | 9.710 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
- Henderson in MarchUnited States · 172 kmHigh 21.2°C · Low 9.4°C · 15 mm rain
- Las Vegas in MarchUnited States · 173 kmHigh 20.5°C · Low 8.5°C · 16 mm rain
- Paradise in MarchUnited States · 179 kmHigh 20.7°C · Low 8.6°C · 17 mm rain
- Spring Valley in MarchUnited States · 185 kmHigh 20.0°C · Low 7.6°C · 17 mm rain
- Enterprise in MarchUnited States · 191 kmHigh 19.4°C · Low 7.5°C · 17 mm rain
- Flagstaff in MarchUnited States · 274 kmHigh 10.7°C · Low -0.3°C · 49 mm rain
- Provo in MarchUnited States · 386 kmHigh 8.1°C · Low -2.0°C · 47 mm rain
- Orem in MarchUnited States · 391 kmHigh 7.7°C · Low -2.3°C · 47 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 Saint George) is explained once on the Saint George year overview and on the Sources, method and limits page.