St. George Weather in 2018

Historical record of St. George, Utah weather for the year 2018 based on NOAA data.

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2018 St. George Weather Extremes
Highest temperature	111 °F	July 25
Lowest temperature	22 °F	December 30
Highest daily low	83 °F	July 9
Lowest daily high	43 °F	December 30
Most daily precipitation	0.9 inches	January 10
Most daily snow	0.5 inches	February 24
Total annual precipitation	9.9 inches	-
Total annual snow	0.5 inches	-

What was the hottest temperature in St. George in 2018?

The highest temperature recorded in St. George, Utah in 2018 was 111 °F which happened on July 25.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. George in 2018

Rank	Temperature	Date
1	111 °F	Jul 25
2	110 °F	Jul 28
2	110 °F	Jul 27
2	110 °F	Jul 7
5	109 °F	Jul 18
6	108 °F	Aug 11
6	108 °F	Aug 9
6	108 °F	Aug 8
6	108 °F	Jul 31
6	108 °F	Jul 29
6	108 °F	Jul 26
6	108 °F	Jul 24
6	108 °F	Jul 9
6	108 °F	Jul 8
6	108 °F	Jun 27

What was the coldest temperature in St. George in 2018?

The lowest temperature recorded in St. George, Utah in 2018 was 22 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. George in 2018

Rank	Temperature	Date
1	22 °F	December 30
1	22 °F	December 29
3	24 °F	February 24
4	25 °F	December 31
4	25 °F	December 6
4	25 °F	February 27
4	25 °F	February 25
4	25 °F	February 23
4	25 °F	February 22
4	25 °F	January 23

January 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	55	27	0.00
January 2	57	27	0.00
January 3	54	29	0.00
January 4	61	27	0.00
January 5	60	31	0.00
January 6	64	36	0.00
January 7	59	36	0.02
January 8	62	36	0.00
January 9	49	34	0.28
January 10	49	45	0.93
January 11	52	36	0.00
January 12	58	33	0.00
January 13	59	32	0.00
January 14	60	32	0.00
January 15	63	34	0.00
January 16	62	36	0.00
January 17	61	35	0.00
January 18	62	34	0.00
January 19	61	37	0.00
January 20	67	38	0.10
January 21	43	34	0.18
January 22	49	26	0.00
January 23	48	25	0.00
January 24	55	27	0.00
January 25	62	28	0.00
January 26	62	31	0.00
January 27	56	26	0.00
January 28	56	27	0.00
January 29	64	29	0.00
January 30	68	34	0.00
January 31	67	34	0.00

February 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	70	34	0.00	0.0
February 2	67	37	0.00	0.0
February 3	69	36	0.00	0.0
February 4	69	38	0.00	0.0
February 5	70	37	0.00	0.0
February 6	72	38	0.00	0.0
February 7	65	35	0.00	0.0
February 8	67	34	0.00	0.0
February 9	70	35	0.00	0.0
February 10	69	36	0.00	0.0
February 11	67	29	0.00	0.0
February 12	60	29	0.00	0.0
February 13	55	37	0.58	0.0
February 14	55	38	0.01	0.0
February 15	57	44	0.05	0.0
February 16	61	31	0.00	0.0
February 17	55	30	0.00	0.0
February 18	62	30	0.00	0.0
February 19	66	32	0.04	0.0
February 20	45	26	0.02	0.0
February 21	45	26	0.00	0.0
February 22	46	25	0.00	0.0
February 23	49	25	0.10	0.0
February 24	47	24	0.08	0.5
February 25	45	25	0.00	0.0
February 26	51	26	0.00	0.0
February 27	60	25	0.00	0.0
February 28	59	33	0.00	0.0

March 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	58	34	0.00
March 2	60	36	0.00
March 3	68	44	0.00
March 4	65	38	0.00
March 5	55	29	0.00
March 6	59	29	0.00
March 7	66	30	0.00
March 8	58	31	0.00
March 9	70	34	0.00
March 10	73	39	0.00
March 11	64	43	0.21
March 12	67	42	0.04
March 13	72	42	0.00
March 14	76	47	0.00
March 15	68	48	0.11
March 16	52	33	0.10
March 17	65	37	0.00
March 18	56	38	0.01
March 19	60	38	0.00
March 20	63	35	0.00
March 21	59	36	0.00
March 22	73	49	0.00
March 23	68	52	0.12
March 24	70	44	0.00
March 25	71	41	0.00
March 26	63	40	0.00
March 27	61	37	0.00
March 28	66	36	0.00
March 29	77	45	0.00
March 30	75	45	0.00
March 31	78	44	0.00

April 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	82	44	0.00
April 2	84	47	0.00
April 3	80	45	0.00
April 4	74	41	0.00
April 5	78	42	0.00
April 6	82	52	0.00
April 7	84	57	0.00
April 8	86	49	0.62
April 9	78	51	0.00
April 10	78	48	0.00
April 11	84	48	0.00
April 12	90	56	0.00
April 13	71	43	0.00
April 14	66	42	0.00
April 15	76	41	0.00
April 16	78	48	0.00
April 17	81	45	0.00
April 18	66	39	0.00
April 19	74	40	0.00
April 20	70	45	0.02
April 21	67	43	0.08
April 22	85	45	0.00
April 23	88	52	0.00
April 24	89	52	0.00
April 25	89	53	0.00
April 26	90	54	0.00
April 27	94	56	0.00
April 28	93	57	0.00
April 29	88	56	0.00
April 30	81	54	0.00

May 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	72	54	0.00
May 2	68	46	0.36
May 3	64	44	0.19
May 4	78	45	0.00
May 5	85	51	0.00
May 6	92	54	0.00
May 7	93	61	0.00
May 8	95	56	0.00
May 9	99	60	0.00
May 10	97	60	0.00
May 11	97	63	0.00
May 12	89	56	0.00
May 13	76	52	0.00
May 14	80	52	0.00
May 15	84	54	0.00
May 16	87	53	0.00
May 17	90	56	0.00
May 18	86	56	0.00
May 19	88	58	0.00
May 20	85	60	0.00
May 21	92	60	0.00
May 22	82	61	0.00
May 23	84	59	0.00
May 24	89	58	0.00
May 25	94	59	0.00
May 26	92	60	0.00
May 27	84	56	0.00
May 28	86	60	0.00
May 29	87	61	0.00
May 30	94	64	0.00
May 31	96	69	0.00

June 2018 St. George Weather

Day	High (°F)	Low (°F)
June 1	92	62
June 2	94	64
June 3	100	64
June 4	102	63
June 5	103	68
June 6	101	65
June 7	98	64
June 8	97	62
June 9	99	62
June 10	101	68
June 11	96	63
June 12	102	65
June 13	105	66
June 14	105	68
June 15	103	70
June 16	98	73
June 17	93	71
June 18	92	65
June 19	92	61
June 20	97	66
June 21	104	67
June 22	107	73
June 23	105	67
June 24	104	71
June 25	103	68
June 26	106	71
June 27	108	68
June 28	105	67
June 29	103	69
June 30	99	67

July 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	100	68	0.00
July 2	104	69	0.00
July 3	103	69	0.00
July 4	103	68	0.00
July 5	102	68	0.00
July 6	106	71	0.00
July 7	110	79	0.01
July 8	108	78	0.00
July 9	108	83	0.00
July 10	104	73	0.10
July 11	100	75	0.00
July 12	100	76	0.00
July 13	95	69	0.22
July 14	94	73	0.00
July 15	100	72	0.07
July 16	102	75	0.00
July 17	107	77	0.00
July 18	109	78	0.00
July 19	105	79	0.00
July 20	107	72	0.43
July 21	102	72	0.00
July 22	100	73	0.00
July 23	102	77	0.00
July 24	108	78	0.00
July 25	111	75	0.03
July 26	108	75	0.30
July 27	110	75	0.00
July 28	110	76	0.00
July 29	108	81	0.00
July 30	105	77	0.00
July 31	108	76	0.00

August 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	107	77	0.00
August 2	106	75	0.00
August 3	106	70	0.17
August 4	101	70	0.00
August 5	105	74	0.00
August 6	105	69	0.00
August 7	107	67	0.00
August 8	108	71	0.00
August 9	108	73	0.00
August 10	106	79	0.00
August 11	108	79	0.00
August 12	103	68	0.27
August 13	100	70	0.00
August 14	103	72	0.00
August 15	104	76	0.00
August 16	102	69	0.08
August 17	98	70	0.00
August 18	103	73	0.00
August 19	107	73	0.00
August 20	106	73	0.00
August 21	105	75	0.00
August 22	101	66	0.88
August 23	85	67	0.00
August 24	97	70	0.00
August 25	98	69	0.00
August 26	98	71	0.00
August 27	97	72	0.00
August 28	97	64	0.00
August 29	96	62	0.00
August 30	98	63	0.00
August 31	98	65	0.00

September 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	98	63	0.00
September 2	99	63	0.00
September 3	99	65	0.00
September 4	98	68	0.11
September 5	91	66	0.00
September 6	92	62	0.00
September 7	98	62	0.00
September 8	101	65	0.00
September 9	102	66	0.00
September 10	102	64	0.00
September 11	100	64	0.00
September 12	100	64	0.00
September 13	96	63	0.00
September 14	94	58	0.00
September 15	97	58	0.00
September 16	99	61	0.00
September 17	98	67	0.00
September 18	99	64	0.00
September 19	98	60	0.00
September 20	94	58	0.00
September 21	92	57	0.00
September 22	94	57	0.00
September 23	95	60	0.00
September 24	94	65	0.00
September 25	93	62	0.00
September 26	94	58	0.00
September 27	94	53	0.00
September 28	95	54	0.00
September 29	95	56	0.00
September 30	93	60	0.00

October 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	92	71	0.00
October 2	87	65	0.45
October 3	81	66	0.01
October 4	83	58	0.29
October 5	77	56	0.00
October 6	79	56	0.01
October 7	62	51	0.15
October 8	62	52	0.00
October 9	70	45	0.00
October 10	73	45	0.00
October 11	76	54	0.00
October 12	78	48	0.01
October 13	76	49	0.00
October 14	79	49	0.00
October 15	65	38	0.00
October 16	66	37	0.00
October 17	66	39	0.00
October 18	70	42	0.00
October 19	72	42	0.00
October 20	79	42	0.00
October 21	84	47	0.14
October 22	84	47	0.45
October 23	72	49	0.22
October 24	74	44	0.00
October 25	76	49	0.00
October 26	79	47	0.00
October 27	77	47	0.00
October 28	79	45	0.00
October 29	80	45	0.00
October 30	80	48	0.00
October 31	70	41	0.00

November 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	68	39	0.00
November 2	74	39	0.00
November 3	74	44	0.00
November 4	75	42	0.00
November 5	67	41	0.00
November 6	74	40	0.00
November 7	73	37	0.00
November 8	68	38	0.00
November 9	62	32	0.00
November 10	62	29	0.00
November 11	62	29	0.00
November 12	56	28	0.00
November 13	56	28	0.00
November 14	58	28	0.00
November 15	63	31	0.00
November 16	65	32	0.00
November 17	63	32	0.00
November 18	64	32	0.00
November 19	69	28	0.00
November 20	62	29	0.00
November 21	56	29	0.00
November 22	64	29	0.00
November 23	61	37	0.02
November 24	53	33	0.00
November 25	57	31	0.00
November 26	57	30	0.00
November 27	58	29	0.00
November 28	58	31	0.00
November 29	59	33	0.07
November 30	57	41	0.26

December 2018 St. George Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	60	32	0.15
December 2	60	31	0.20
December 3	51	28	0.00
December 4	48	28	0.00
December 5	48	29	0.00
December 6	48	25	0.00
December 7	50	39	0.05
December 8	59	34	0.00
December 9	58	31	0.00
December 10	54	31	0.00
December 11	58	34	0.00
December 12	61	31	0.00
December 13	62	29	0.00
December 14	54	28	0.00
December 15	54	28	0.00
December 16	63	31	0.00
December 17	63	30	0.00
December 18	52	30	0.00
December 19	57	30	0.00
December 20	58	30	0.00
December 21	61	31	0.00
December 22	57	30	0.00
December 23	59	30	0.00
December 24	58	31	0.00
December 25	54	32	0.20
December 26	47	32	0.33
December 27	51	31	0.00
December 28	47	31	0.00
December 29	45	22	0.00
December 30	43	22	0.00
December 31	49	25	0.00

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Weather Station Details

Years	Station	Coordinates
1893–2024	St. George	location