United StatesThe climate of St. George
The current climate in St. George features temperatures ranging from a high of 39°C to a low of 11°C throughout the year. The average yearly temperature is around 26°C. At night, temperatures in the colder months average around 0°C and in the warmer months around 24°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for St. George, Utah.
Temperature records
The highest temperature recorded in St. George in recent years was 46°C in July 2021. The lowest daytime temperature recorded was 1°C in December 2014.
Precipitation and snowfall
On average, St. George gets 200 mm of precipitation each year. Of this, about 6,5 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit St. George?
The best time to visit St. George for sunny weather is March through May, September and October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit St. George. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of St. George
The climate table of St. George shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 12 | 15 | 20 | 25 | 29 | 37 | 39 | 37 | 33 | 26 | 17 | 11 |
| Temp. min (°C) | 1 | 2 | 6 | 10 | 15 | 22 | 25 | 23 | 18 | 11 | 4 | 1 |
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| Precipitation (mm) | 24 | 16 | 24 | 19 | 8,0 | 3,5 | 29 | 32 | 22 | 8,7 | 4,3 | 8,8 |
| Snow (cm) | 1,0 | 3,5 | 0,5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,2 | 1,3 |
| UV Index | 4 | 5 | 4 | 5 | 8 | 6 | 7 | 7 | 8 | 6 | 4 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in St. George, Utah. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in St. George
Yearly Temperature in St. George
Precipitation charts
These charts show the average amount of precipitation in St. George, Utah. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in St. George
Total Yearly Precipitation in St. George
Average Snowfall per Month in St. George
Total Yearly Snowfall in St. George
UV index chart
This chart shows the average UV index per month in St. George, Utah. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in St. George
Weather experiences in St. George
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Average weather in St. George by month
Click on a month below to see detailed weather info for St. George. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.