St. George Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in St. George, Utah. It is based on NOAA data for the years 1991–2020.

Average temperature by month

What's the Rainiest Month in St. George?

In St. George, February has the greatest precipitation of any month. On average, St. George gets 1.4 inches of precipitation in February.

February is also the month where rain is most common. 21.3% of days in February will have at least some rain or snow.

What's the Driest Month in St. George?

In St. George, June has the least precipitation of any month. On average, St. George gets 0.18 inches of precipitation in June.

June is also the month where rain is least common. Only 4.2% of days in June will have measurable rain.

Month	Precipitation	% Chance
January	1.03 in	17.4
February	1.37 in	21.3
March	0.87 in	15.6
April	0.60 in	10.7
May	0.34 in	10.0
June	0.18 in	4.2
July	0.52 in	9.0
August	0.68 in	9.9
September	0.50 in	7.6
October	0.70 in	10.5
November	0.57 in	9.9
December	0.83 in	14.9
Year	8.09 in	11.8

Weather Station Details

Years	Station	Coordinates
1893–2024	St. George	location