St. George, UT Weather
St. George hourly forecast: next 24 hours
Today's high of 96°F (36°C) is about 4°F (2°C) below the typical August high of 100°F (38°C).
Current conditions in detail
St. George weather tomorrow (Friday, August 14)
Tomorrow in St. George looks patchy rain nearby, with a high of 88° and an overnight low of 68°. There is a 68% chance of rain - plan accordingly. Winds top out near 21 mph, and the UV index reaches 9 (very high).
St. George 14-day forecast
About the weather in St. George
Located in Utah, United States, St. George experiences a hot desert climate with intense summer heat, mild winters and very little rain. Afternoon temperatures peak near 103°F (39°C) in July and dip to about 53°F (11°C) in January, with around 8.3 inches (211 mm) of precipitation falling across the year.
St. George weather: quick facts
- Hottest month: July - highs near 103°F (39°C)
- Coldest month: January - highs near 53°F (11°C)
- Record high: 116°F (46°C) · Record low: 16°F (-9°C) (2015–2024)
- Wettest month: January (6 rainy days) · Sunniest: June (13.9 h sun/day)
- Climate type: hot desert - intense summer heat, mild winters and very little rain
- Snow: about 3 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 103°F (39°C) and overnight lows stay near 80°F (26°C). The coolest month is January, with typical highs of 53°F (11°C) and lows around 35°F (2°C). Based on 2015–2024 weather data, temperatures have reached as high as 116°F (46°C) and dropped as low as 16°F (-9°C).
Rain, sun and snow
January is usually the wettest month. It brings about 1.4 inches (36 mm) of rain over 6 days, while June is the driest. June brings the most sunshine, averaging 13.9 hours of sun a day. Snow falls on about 3 days in a typical year, mostly from February through March.
Season by season
Spring (March through May)
Spring in St. George is pleasantly warm, with daytime highs averaging 76°F (25°C) and nights around 52°F (11°C); rain falls on about 10 days over the three months.
Summer (June through August)
Summer in St. George is intensely hot, with daytime highs averaging 100°F (38°C) and nights around 77°F (25°C); precipitation is infrequent.
Fall (September through November)
Fall in St. George is mild and warm, with daytime highs averaging 78°F (26°C) and nights around 55°F (13°C); precipitation is infrequent.
Winter (December through February)
Winter in St. George is mild, with daytime highs averaging 54°F (12°C) and nights around 36°F (2°C); rain falls on about 16 days over the three months, plus around 2 snowy days.
Average temperatures in St. George by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 53° | 35° | 6 | 1.4 in | 8.1 h/day | 56% |
| February | 58° | 37° | 5 | 1.2 in | 9.3 h/day | 48% |
| March | 66° | 44° | 6 | 1.3 in | 10.3 h/day | 43% |
| April | 77° | 52° | 2 | 0.5 in | 12.2 h/day | 27% |
| May | 85° | 61° | 2 | 0.3 in | 12.8 h/day | 22% |
| June | 99° | 74° | 0 | 0.1 in | 13.9 h/day | 14% |
| July | 103° | 80° | 2 | 0.3 in | 13.1 h/day | 21% |
| August | 100° | 76° | 2 | 0.4 in | 12.6 h/day | 26% |
| September | 93° | 69° | 2 | 0.4 in | 11.7 h/day | 25% |
| October | 79° | 55° | 2 | 0.6 in | 10.4 h/day | 32% |
| November | 63° | 43° | 3 | 0.8 in | 9.1 h/day | 39% |
| December | 53° | 35° | 5 | 1.1 in | 8.0 h/day | 49% |