The weather in July in St. George

It's hot in July in St. George with an average temperature of 39°C. Temperatures this month range from a low of 37°C to a high of 41°C. At night, you can expect temperatures between 22°C and 27°C.

July isn’t a good month to be in St. George. The average temperature of 39°C this month is uncomfortably hot for a comfortable stay.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for St. George, Utah. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 46°C in 2021, St. George reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 24°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 32°C.

Rainfall amount

In July, there is an average of 29 mm of precipitation, spread over 5 days. The wind speed is around 5 Bft, mostly coming from the Southwest.

Daily weather in July for St. George

Click on any day in July to get detailed info about the usual weather on that day in St. George. Check out the historical temperatures and precipitation over the past 10 years on this day.

July weather comparison

  St. George New York
Average temperature 39°C 31°C
Max. temperature 41°C 33°C
Min. temperature 22°C -5°C
Total precipitation 29 mm 160 mm
Rainy days 5 days 18 days

Start of July

The month of July starts in St. George with hot temps, averaging around 39°C during the day and nights around 24°C.

Mid July

By mid-July, daytime temps rise to around 40°C, with nights around 25°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of July

By the end of July, the average daytime temperature in St. George is around 39°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of St. George for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in July in St. George, Utah. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in July in St. George

Temperature in July in St. George over the years

Precipitation charts

These charts show the average amount of precipitation in July 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.

Daily Precipitation in July in St. George

Total precipitation in July in St. George over the years

Daily UV index in July in St. George

This chart shows the average daily UV index in July in St. George, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in July 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.