Climate of St. George
St. George has a semi-arid climate. It hardly rains here. The average annual temperature for St. George is 21° degrees and there is about 145 mm of rain in a year. It is dry for 271 days a year with an average humidity of 37% and an UV-index of 5.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 9°C and 34°C
- Night:the average nighttime temperature is between 0°C and 23°C
- Rain: it rains 64 days and there is a total of approximately 147 mm rainfall
- Snow: it snows an average of 3 days per year
- Sun hours: throughout the year there are 3570 sun hours
Maximum temperature: | between 9°C and 34°C |
Warmest month: | 34°C in July |
Coldest month: | 9°C in January |
Night temperature: | between 0°C and 23°C |
Dry days: | 298 days |
Days with rain: | 64 days |
Days with snow: | 3 days |
Total rain sum: | 147 mm |
Hours of sunshine: | 3570 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for St. George.
Precipitation graph
This graph shows the average amount of rainfall per month for St. George.
Climate table of St. George
In this climate table you can see at a glance what the average weather per month is for St. George. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for St. George might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 9 | 11 | 16 | 20 | 25 | 32 | 34 | 33 | 29 | 22 | 15 | 9 |
Night temp. (°C) | 0 | 2 | 5 | 8 | 13 | 19 | 23 | 22 | 19 | 11 | 5 | 0 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 20 | 21 | 17 | 8 | 4 | 3 | 15 | 14 | 8 | 10 | 8 | 19 |
Days with rain | 6 | 6 | 8 | 6 | 4 | 1 | 8 | 5 | 4 | 5 | 4 | 7 |
Days with snow | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 |
Dry days | 24 | 21 | 23 | 24 | 27 | 29 | 23 | 26 | 26 | 26 | 26 | 23 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 7 | 9 | 9 | 11 | 12 | 12 | 12 | 12 | 10 | 8 | 7 | 7 |
Wind force (Bft) | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 3 | 3 | 4 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 2 |
Best time to visit St. George
The best time to visit St. George in the state of Utah is from April through June and September and October. In this period you have a hot temperature and almost no precipitation. The highest average temperature in St. George is 34°C in July and the lowest is 9°C in January.
Climate of St. George by month
What is the average climate in a given month for St. George? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
St. George weather experiences
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