St. George, UT weather in March
March in St. George: mild and mostly dry. Highs 68°F, lows 39°F, about 5 days with rain. A great month for outdoor plans.
- Normal high
- 68°F
- Normal low
- 39°F
- Wet days
- 5
- 1.0 in total
- Daylight
- 12.0 h
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 63°F | 72°F |
| Normal low | 36°F | 42°F |
| Chance of a wet day | 20% | 13% |
| Sunrise / sunset | 7:05 am / 6:28 pm | 7:21 am / 7:55 pm |
| Daylight | 11.4 h | 12.6 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)20 of 31
- Hot dayshigh 90°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow5 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below2 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 1.0 in; a dry March brings about 0.2 in and a wet one about 1.5 in (25th and 75th percentiles). Days with half an inch or more are rare. Normal snowfall is 0.2 in.
How March varies from year to year
- Warmest March, 1991-20202004: average high 77°F
- Coolest March1991: average high 62°F
- Wettest March1995: 3.3 in
- Driest March1997: no measurable precipitation
- Highest reading91°F (March 21, 2004)
- Lowest reading25°F (March 4, 2002)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 59°F | 68°F | 75°F |
| Normal low | 32°F | 39°F | 46°F |
| Wet days | 6 | 5 | 3 |
| Comfortable days | 9 | 20 | 16 |
| Daylight | 10.8 h | 12.0 h | 13.2 h |
Highs change by +9°F from February and +7°F into April.
Nearby alternatives in March
- Warmer: Furnace Creek, CA187 mi · high 83°F · 2 wet days
- Cooler: Bryce Canyon City, UT88 mi · high 46°F · 6 wet days
How St. George ranks in March
- Normal high124th warmest of 378 cities; 1st of 7 in Utah
- Wet days25th driest of 378
What to pack for St. George in March
- A warm jacket – lows near 39°F, highs near 68°F
- Layers – afternoons near 68°F but nights near 39°F
Frost in March
The last spring frost typically comes around Mar 14; in 1 year in 10 it comes after Apr 6. All frost dates for St. George.
Heating and cooling
March has 362 heating degree days and 2 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How cold is St. George in March?
The normal high is 68°F and the normal low is 39°F. From 1991 to 2020 the coldest March reading was 25°F (March 4, 2002).
Does it rain a lot in St. George in March?
About 5 days in March have at least 0.01 in of precipitation, and the normal total is 1.0 in. The wettest March in 1991-2020 was in 1995 (3.3 in); the driest was in 1997, with no measurable precipitation.
Does it snow in St. George in March?
Yes. Normal snowfall in March is 0.2 in.
Is March a good time to visit St. George?
March ranks 1st of 12 months on our comfort score for St. George (76 out of 100). It has about 20 comfortable days (judged by temperature only). The best months are March and April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: St George (USC00427516), 1.6 mi NW of the city center, 2,857 ft (161 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).