St. George, UT Weather & Climate Normals
St. George's real weather, in one number
St. George, UT scores 37/100 on this site's reading of NOAA's own 30-year normals: weather-driven. Heat, cold, snow, or rainfall here are heavy enough that they shape daily life for a large part of the year. 3 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
St. George's hottest and coldest months
St. George's hottest month is Jul, averaging 87°F; its coldest is Dec, averaging 41°F, a 46.3°F swing across the year, one of the widest gaps in this dataset.
St. George's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 54°F | 28°F | 1.22in | 0.5in |
| Feb | 59°F | 32°F | 1.38in | 0.5in |
| Mar | 68°F | 39°F | 1.02in | 0.2in |
| Apr | 75°F | 46°F | 0.66in | 0in |
| May | 85°F | 56°F | 0.33in | 0in |
| Jun | 96°F | 65°F | 0.16in | 0in |
| Jul | 102°F | 72°F | 0.5in | 0in |
| Aug | 100°F | 70°F | 1.07in | 0in |
| Sep | 92°F | 61°F | 0.67in | 0in |
| Oct | 79°F | 47°F | 0.77in | 0in |
| Nov | 64°F | 35°F | 0.67in | 0in |
| Dec | 53°F | 28°F | 0.86in | 0in |
Apr, May, and Oct are the best time to see St. George at its mildest; the rest of the year, plan around Jul's heat and Dec's cold.
Rain and snow in St. George
St. George averages 9.31in of precipitation a year across roughly 42 days with measurable rain or snow, and 1.2in of snow a year.
Where St. George ranks
St. George ranks 4747 of 4876 US cities in this dataset for comfort score, and 67 of 95 within UT. About 106,288 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from St George, UT US, 3.3 miles from St. George, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure