Yosemite National Park is definitely worth a visit
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St. George (UT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit St. George.
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Climate overview of St. George
Temperatures in St. George, Utah, United States of America, vary greatly throughout the year. July is the hottest month at 39°C (102°F), while December is the coldest at 10°C (50°F).
The area sees almost no rain/snowfall, totalling just 209 mm (8.2 in) per year.
St. George Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St. George - and find the best time to visit.
Monthly Temperature in St. George
The climate in St. George is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very hot 39°C (102°F) in July to a chilly 10°C (50°F) in the coolest month, December.
Nights vary from 24°C (75°F) in July to around -1°C (30°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in St. George
St. George is known for its low rain/snowfall, with yearly precipitation amounts around 209 mm (8.2 in). The climate in St. George shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 33 mm (1.3 in) of precipitation over 6 rainy days.
In contrast, the driest month June offers drier and sunnier days, with around 2.1 mm (0.1 in) of rainfall over a single rainy day. For more details, please visit our St. George Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit St. George
The most comfortable overall weather for exploring St. George is usually found in March, April, May, October and November. Conditions are generally least comfortable in June, July, August and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
good
Feb
very good
Mar
excellent
Apr
excellent
May
excellent
Jun
very hot
Jul
very hot
Aug
very hot
Sep
good
Oct
excellent
Nov
excellent
Dec
cold
- Best overall: March, April, May, October and November
- Warmest weather: July and August
- Fewest rainy days: May, June and November
- Seasonal pattern: Very little rainfall year-round, with very hot summers and cold winters
- Coldest conditions: December, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in St. George
What is the best time to visit St. George?
March, April, May, October and November typically offer the most optimal weather in St. George. In contrast, June, July, August and December tend to have less optimal conditions. St. George has very little rainfall year-round, with very hot summers and cold winters.
What temperatures can I expect in St. George?
Daytime highs range from 10°C (50°F) in December to 39°C (102°F) in July. Nighttime lows range from -1°C (30°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does St. George get?
Annual rainfall is around 209 mm (8.2 in). December is the wettest month with 33 mm (1.3 in), while June is the driest with 2.1 mm (0.1 in).
St. George 3-Day Forecast
St. George on the map
St. George is highlighted - select any city to see its climate.
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