St. George weather in March: St. George, Utah: normal highs, lows, rain and records for March
St. George in March has a normal high of 68°F and a normal low of 39°F, a daily mean of 53°F, rising from 63°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 5 days in a normal March, 1.02 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 4°C, 26 mm of precipitation and 1 cm of snow in March.
- NOAA stationSt George
- Station IDUSC00427516
- Location37.12°N 113.61°W
- Elevation2,857 ft (871 m)
- Population106,288
- Jan 54° 28°
- Feb 59° 32°
- Mar 68° 39°
- Apr 75° 46°
- May 85° 56°
- Jun 96° 65°
- Jul 102° 72°
- Aug 100° 70°
- Sep 92° 61°
- Oct 79° 47°
- Nov 64° 35°
- Dec 53° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. George in March?
The normal high is 68°F and the normal low 39°F, for a daily mean of 53.4°F. March is 7.6°F warmer than February and 7.0°F cooler than April. March is the 8th warmest month of the year in St. George and the 4th wettest. Across the month the normal high rises 9°F, from 63°F on March 1 to 72°F on March 31. From one year to the next March's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 51°F and 56°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 21%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 63°F | 36°F | 21% | 12% |
| March 8 | 66°F | 37°F | 19% | 10% |
| March 15 | 68°F | 39°F | 17% | 9% |
| March 22 | 70°F | 40°F | 15% | 7% |
| March 31 | 72°F | 42°F | 13% | 6% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 63°F | 36°F | 21% | 12% | 11 h 20 min |
| March 2 | 64°F | 36°F | 21% | 12% | 11 h 20 min |
| March 3 | 64°F | 36°F | 20% | 11% | 11 h 30 min |
| March 4 | 64°F | 37°F | 20% | 11% | 11 h 30 min |
| March 5 | 65°F | 37°F | 20% | 11% | 11 h 30 min |
| March 6 | 65°F | 37°F | 20% | 11% | 11 h 30 min |
| March 7 | 65°F | 37°F | 19% | 11% | 11 h 30 min |
| March 8 | 66°F | 37°F | 19% | 10% | 11 h 40 min |
| March 9 | 66°F | 38°F | 19% | 10% | 11 h 40 min |
| March 10 | 66°F | 38°F | 18% | 10% | 11 h 40 min |
| March 11 | 67°F | 38°F | 18% | 10% | 11 h 40 min |
| March 12 | 67°F | 38°F | 18% | 10% | 11 h 50 min |
| March 13 | 67°F | 39°F | 18% | 9% | 11 h 50 min |
| March 14 | 67°F | 39°F | 17% | 9% | 11 h 50 min |
| March 15 | 68°F | 39°F | 17% | 9% | 11 h 50 min |
| March 16 | 68°F | 39°F | 16% | 9% | 12 h |
| March 17 | 68°F | 39°F | 16% | 9% | 12 h |
| March 18 | 69°F | 40°F | 16% | 8% | 12 h |
| March 19 | 69°F | 40°F | 15% | 8% | 12 h |
| March 20 | 69°F | 40°F | 15% | 8% | 12 h 10 min |
| March 21 | 69°F | 40°F | 15% | 8% | 12 h 10 min |
| March 22 | 70°F | 40°F | 15% | 7% | 12 h 10 min |
| March 23 | 70°F | 40°F | 14% | 7% | 12 h 10 min |
| March 24 | 70°F | 41°F | 14% | 7% | 12 h 20 min |
| March 25 | 70°F | 41°F | 14% | 7% | 12 h 20 min |
| March 26 | 71°F | 41°F | 14% | 7% | 12 h 20 min |
| March 27 | 71°F | 41°F | 13% | 7% | 12 h 20 min |
| March 28 | 71°F | 41°F | 13% | 6% | 12 h 20 min |
| March 29 | 71°F | 42°F | 13% | 6% | 12 h 30 min |
| March 30 | 71°F | 42°F | 13% | 6% | 12 h 30 min |
| March 31 | 72°F | 42°F | 13% | 6% | 12 h 30 min |
- Normal high
- 68°FMarch average
- Normal low
- 39°FMarch average
- Precipitation
- 1.02 inmonth total
- Days with precipitation
- 50.01 inch or more
- Snowfall
- 0.2 inmonth total
- Nights at 32°F or colder
- 2
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 16
- Days at 80°F or more
- 3
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00427516; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in St. George in March?
On a given March day the chance of 0.01 inch or more is 17% on average, highest around March 1 (21%). In all, 1.02 in falls on 5 days of a normal March.
In a normal March in St. George, 2 nights fall to freezing and snowfall averages 0.2 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00427516.
What are the records for March in St. George?
The warmest March temperature on this station's record (since 1893) is 97°F, on March 21, 2026; the coldest is 12°F, on March 30, 1897. The wettest March brought 4.38 in (1978); the snowiest, 4.5 inches (1897).
The March mean against the 1991-2020 normal of 53.4°F: 2021 51.5°F (−1.9), 2022 54.4°F (+1.0), 2023 47.4°F (−6.0), 2024 53.6°F (+0.2), 2025 54.5°F (+1.1), 2026 64.7°F (+11.3). 4 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.5°F | −1.9°F | 1.82 in |
| 2022 | 54.4°F | +1.0°F | 0.41 in |
| 2023 | 47.4°F | −6.0°F | 3.85 in |
| 2024 | 53.6°F | +0.2°F | 1.20 in |
| 2025 | 54.5°F | +1.1°F | 0.78 in |
| 2026 | 64.7°F | +11.3°F | 0.00 in |
Source: records: ACIS, station USC00427516; recent months: ACIS, station USC00427516. Records and recent months use complete months only.
How does March in St. George compare across Utah?
Across the 97 places PlainClimate covers in Utah, March normal highs run from 37°F in Alta to 68°F in St. George; St. George's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.