As of 12:30 MDT

St. George, UT weather in May

104°

St. George, Sunday, 9 August, 12:30

Overcast. Feels like 103°. High 110°, low 82°.

Pressure29.83 inHg

Wind2 mph W

Humidity20%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

In May, St. George, UT averages a high of 83.6° and a low of 60.3°. About 0.4 inches of precipitation fall over the month (2 wet days). The record high is 105.4° (2025) and the record low 35.1° (1964). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.4°	55.4°	12%	94.1° (2020)	39.6° (1967)
2	79.5°	55.2°	3%	90.1° (2000)	39° (1967)
3	81°	57°	3%	92.1° (2000)	41.4° (1964)
4	81.3°	57.7°	8%	93.4° (2017)	43.3° (1999)
5	80.1°	57.7°	8%	97° (2017)	40.5° (1964)
6	79.2°	56.8°	13%	94.8° (1989)	41.2° (1965)
7	78.8°	57°	12%	96.8° (1989)	40.5° (1964)
8	80.2°	56.8°	7%	99.3° (2018)	35.1° (1964)
9	80.8°	58.1°	7%	99° (2018)	41.7° (1964)
10	80.4°	57.4°	10%	97.3° (2025)	43.7° (1977)
11	81.1°	57°	8%	97.7° (1960)	46.2° (1983)
12	82.6°	57.9°	2%	98.8° (1996)	44.1° (1983)
13	82.9°	58.5°	5%	97.7° (1996)	42.3° (1967)
14	84.6°	60.3°	10%	95.4° (1997)	45.7° (1998)
15	84.7°	61.9°	7%	99.7° (2022)	46.2° (1962)
16	84.2°	61.3°	5%	96.4° (2022)	47.1° (1968)
17	84.2°	61°	5%	96.3° (2009)	46° (1977)
18	84.9°	61.5°	7%	98.1° (2009)	43.9° (1977)
19	84.9°	62.1°	8%	100.2° (2008)	43.9° (1977)
20	85.1°	61.5°	10%	99.7° (2008)	47.5° (1975)
21	84.4°	61.3°	5%	95.9° (2005)	41.4° (1975)
22	84.7°	61.2°	5%	98.8° (2000)	45.1° (1975)
23	84.7°	61.7°	7%	101.1° (2000)	48.7° (2019)
24	84.4°	61.5°	13%	99.7° (2001)	43.5° (2010)
25	85.6°	62.2°	5%	99.1° (2001)	44.8° (1980)
26	87.1°	63.5°	0%	100.9° (2022)	43.2° (1980)
27	88°	64.9°	3%	102.4° (2020)	50.2° (1965)
28	87.8°	65.3°	7%	104.7° (2020)	49.6° (1965)
29	88°	65.1°	5%	104.9° (2020)	45.1° (1971)
30	88.7°	64.6°	5%	103.1° (2025)	48.9° (1988)
31	89.6°	65.5°	5%	105.4° (2025)	51.3° (1988)