Flagstaff Weather in 2018

Historical record of Flagstaff, Arizona weather for the year 2018 based on NOAA data.

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2018 Flagstaff Weather Extremes
Highest temperature	91 °F	July 5
Lowest temperature	-3 °F	February 24
Highest daily low	59 °F	July 18
Lowest daily high	22 °F	December 31
Most daily precipitation	2.3 inches	October 2
Most daily snow	7.0 inches	February 23
Total annual precipitation	21.6 inches	-
Total annual snow	55.1 inches	-

What was the hottest temperature in Flagstaff in 2018?

The highest temperature recorded in Flagstaff, Arizona in 2018 was 91 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Flagstaff in 2018

Rank	Temperature	Date
1	91 °F	Jul 5
1	91 °F	Jun 21
3	89 °F	Jul 24
3	89 °F	Jul 23
3	89 °F	Jun 22
6	88 °F	Aug 7
6	88 °F	Aug 6
6	88 °F	Jul 26
6	88 °F	Jul 25
6	88 °F	Jun 27
6	88 °F	Jun 26
6	88 °F	Jun 20

What was the coldest temperature in Flagstaff in 2018?

The lowest temperature recorded in Flagstaff, Arizona in 2018 was -3 °F which happened on Feb 24.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Flagstaff in 2018

Rank	Temperature	Date
1	-3 °F	February 24
2	-2 °F	January 22
3	1 °F	December 29
3	1 °F	December 28
3	1 °F	December 3
3	1 °F	February 20
7	2 °F	February 21
8	3 °F	February 25
9	5 °F	January 24
10	6 °F	January 23

January 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	58	15	0.00	0.0
January 2	47	20	0.00	0.0
January 3	57	22	0.00	0.0
January 4	59	26	0.00	0.0
January 5	59	27	0.00	0.0
January 6	56	24	0.00	0.0
January 7	49	25	0.00	0.0
January 8	51	23	0.00	0.0
January 9	51	23	1.05	2.7
January 10	36	24	0.14	2.0
January 11	49	21	0.00	0.0
January 12	54	24	0.00	0.0
January 13	51	22	0.00	0.0
January 14	51	21	0.00	0.0
January 15	57	23	0.00	0.0
January 16	47	23	0.00	0.0
January 17	50	19	0.00	0.0
January 18	58	19	0.00	0.0
January 19	52	23	0.00	0.0
January 20	40	24	0.51	5.6
January 21	31	8	0.01	1.0
January 22	35	-2	0.00	0.0
January 23	37	6	0.00	0.0
January 24	50	5	0.00	0.0
January 25	44	15	0.00	0.0
January 26	38	16	0.00	0.0
January 27	45	10	0.00	0.0
January 28	49	25	0.00	0.0
January 29	53	23	0.00	0.0
January 30	61	19	0.00	0.0
January 31	63	24	0.00	0.0

February 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	64	26	0.00	0.0
February 2	61	23	0.00	0.0
February 3	61	26	0.00	0.0
February 4	63	21	0.00	0.0
February 5	61	28	0.00	0.0
February 6	52	25	0.00	0.0
February 7	52	21	0.00	0.0
February 8	59	18	0.00	0.0
February 9	62	20	0.00	0.0
February 10	54	30	0.00	0.0
February 11	48	20	0.00	0.0
February 12	38	32	0.83	2.6
February 13	40	29	0.12	0.3
February 14	40	27	0.35	3.1
February 15	43	26	0.02	0.0
February 16	45	19	0.00	0.0
February 17	54	20	0.00	0.0
February 18	47	26	0.00	0.0
February 19	36	18	0.12	1.5
February 20	30	1	0.00	0.0
February 21	32	2	0.00	0.0
February 22	33	8	0.00	0.0
February 23	25	16	0.47	7.0
February 24	33	-3	0.00	0.0
February 25	40	3	0.00	0.0
February 26	41	8	0.00	0.0
February 27	39	17	0.21	3.0
February 28	38	19	0.25	5.5

March 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	41	16	0.00	0.0
March 2	47	22	0.00	0.0
March 3	48	30	0.00	0.0
March 4	39	22	0.01	0.0
March 5	41	19	0.00	0.0
March 6	46	17	0.00	0.0
March 7	52	14	0.00	0.0
March 8	59	21	0.00	0.0
March 9	59	24	0.00	0.0
March 10	50	28	0.10	0.0
March 11	47	34	0.24	0.0
March 12	54	27	0.00	0.0
March 13	58	30	0.00	0.0
March 14	57	27	0.00	0.0
March 15	41	29	0.25	1.1
March 16	46	23	0.00	0.0
March 17	45	27	0.02	0.1
March 18	38	23	0.24	1.9
March 19	48	18	0.00	0.0
March 20	55	16	0.00	0.0
March 21	61	29	0.00	0.0
March 22	62	31	0.00	0.0
March 23	56	28	0.07	0.0
March 24	53	25	0.00	0.0
March 25	49	27	0.00	0.0
March 26	47	20	0.00	0.0
March 27	48	20	0.00	0.0
March 28	60	19	0.00	0.0
March 29	61	27	0.00	0.0
March 30	64	24	0.00	0.0
March 31	69	28	0.00	0.0

April 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	64	36	0.00
April 2	63	28	0.00
April 3	63	27	0.00
April 4	64	27	0.00
April 5	67	28	0.00
April 6	68	39	0.00
April 7	71	38	0.00
April 8	68	44	0.00
April 9	64	25	0.00
April 10	71	26	0.00
April 11	72	33	0.00
April 12	59	33	0.00
April 13	47	25	0.00
April 14	59	27	0.00
April 15	64	22	0.00
April 16	60	36	0.00
April 17	54	32	0.00
April 18	61	29	0.00
April 19	54	21	0.00
April 20	43	26	0.06
April 21	66	22	0.00
April 22	69	27	0.00
April 23	71	33	0.00
April 24	73	39	0.00
April 25	74	37	0.00
April 26	75	31	0.00
April 27	73	36	0.00
April 28	72	34	0.00
April 29	64	36	0.00
April 30	59	41	0.00

May 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	55	33	0.32	0.0
May 2	41	29	0.30	0.6
May 3	58	27	0.00	0.0
May 4	65	27	0.00	0.0
May 5	73	29	0.00	0.0
May 6	75	35	0.00	0.0
May 7	74	42	0.00	0.0
May 8	82	37	0.00	0.0
May 9	80	47	0.00	0.0
May 10	79	38	0.00	0.0
May 11	70	52	0.00	0.0
May 12	63	41	0.00	0.0
May 13	64	28	0.00	0.0
May 14	67	30	0.00	0.0
May 15	70	29	0.00	0.0
May 16	73	32	0.00	0.0
May 17	71	38	0.00	0.0
May 18	69	31	0.00	0.0
May 19	73	33	0.00	0.0
May 20	70	34	0.00	0.0
May 21	69	32	0.00	0.0
May 22	67	32	0.00	0.0
May 23	70	32	0.00	0.0
May 24	75	34	0.00	0.0
May 25	75	37	0.00	0.0
May 26	69	37	0.00	0.0
May 27	68	30	0.00	0.0
May 28	74	40	0.00	0.0
May 29	77	38	0.00	0.0
May 30	76	44	0.00	0.0
May 31	75	35	0.00	0.0

June 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	78	42	0.00
June 2	81	36	0.00
June 3	84	37	0.00
June 4	84	42	0.00
June 5	79	43	0.00
June 6	78	44	0.00
June 7	78	38	0.00
June 8	82	35	0.00
June 9	81	41	0.00
June 10	80	43	0.00
June 11	84	41	0.00
June 12	85	46	0.00
June 13	85	50	0.00
June 14	83	52	0.00
June 15	78	50	0.00
June 16	60	53	0.38
June 17	71	46	0.00
June 18	75	37	0.00
June 19	83	41	0.00
June 20	88	40	0.00
June 21	91	45	0.00
June 22	89	55	0.00
June 23	85	45	0.00
June 24	83	49	0.00
June 25	87	52	0.00
June 26	88	52	0.00
June 27	88	50	0.00
June 28	85	49	0.00
June 29	79	51	0.00
June 30	81	45	0.00

July 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	85	44	0.00
July 2	85	47	0.00
July 3	81	45	0.00
July 4	81	46	0.00
July 5	91	52	0.00
July 6	86	57	0.00
July 7	84	54	0.34
July 8	85	53	0.10
July 9	80	53	0.16
July 10	72	52	0.02
July 11	74	55	0.09
July 12	71	55	0.19
July 13	78	54	0.00
July 14	70	57	0.07
July 15	77	55	0.28
July 16	82	57	0.10
July 17	82	57	0.00
July 18	81	59	0.23
July 19	85	53	0.18
July 20	86	54	0.00
July 21	86	57	0.02
July 22	85	52	0.00
July 23	89	54	0.00
July 24	89	53	0.00
July 25	88	54	0.08
July 26	88	56	0.00
July 27	85	54	1.11
July 28	81	51	0.05
July 29	84	52	0.12
July 30	87	54	0.00
July 31	86	56	0.00

August 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	86	56	0.97
August 2	82	54	0.14
August 3	82	55	0.00
August 4	83	54	0.00
August 5	84	52	0.00
August 6	88	53	0.00
August 7	88	48	0.00
August 8	84	57	0.00
August 9	80	51	0.75
August 10	80	48	0.01
August 11	81	56	0.22
August 12	80	53	0.01
August 13	81	53	0.59
August 14	82	52	1.31
August 15	77	54	0.00
August 16	77	53	0.01
August 17	75	56	0.06
August 18	83	53	0.00
August 19	85	51	0.00
August 20	82	53	0.00
August 21	75	55	0.11
August 22	69	52	0.06
August 23	73	48	0.14
August 24	74	51	0.19
August 25	73	50	0.58
August 26	73	47	0.00
August 27	75	50	0.00
August 28	76	44	0.00
August 29	77	45	0.00
August 30	79	46	0.00
August 31	77	46	0.00

September 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	75	49	0.01
September 2	76	44	0.63
September 3	72	42	0.04
September 4	72	41	0.27
September 5	76	42	0.00
September 6	77	43	0.00
September 7	78	44	0.00
September 8	82	43	0.00
September 9	81	47	0.00
September 10	79	47	0.00
September 11	78	45	0.00
September 12	77	44	0.00
September 13	77	37	0.00
September 14	78	38	0.00
September 15	81	44	0.00
September 16	79	46	0.00
September 17	80	49	0.00
September 18	80	47	0.00
September 19	63	48	0.30
September 20	75	44	0.00
September 21	78	39	0.00
September 22	76	45	0.00
September 23	75	44	0.00
September 24	74	45	0.02
September 25	73	44	0.02
September 26	78	39	0.00
September 27	78	33	0.00
September 28	78	39	0.00
September 29	74	43	0.00
September 30	74	42	0.01

October 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	65	52	0.01	0.0
October 2	58	52	2.30	0.0
October 3	66	52	0.00	0.0
October 4	60	43	0.24	0.0
October 5	61	37	0.00	0.0
October 6	56	34	0.33	0.0
October 7	47	32	0.57	0.7
October 8	45	33	0.04	0.0
October 9	55	29	0.00	0.0
October 10	51	31	0.00	0.0
October 11	51	31	0.16	0.0
October 12	59	42	0.00	0.0
October 13	58	35	0.08	0.0
October 14	56	36	0.00	0.0
October 15	44	30	0.00	0.0
October 16	36	27	0.19	0.8
October 17	44	28	0.00	0.0
October 18	54	25	0.00	0.0
October 19	53	36	0.00	0.0
October 20	62	37	0.00	0.0
October 21	64	36	0.00	0.0
October 22	60	34	0.03	0.0
October 23	54	35	0.14	0.0
October 24	62	30	0.00	0.0
October 25	64	30	0.00	0.0
October 26	63	31	0.00	0.0
October 27	71	27	0.00	0.0
October 28	70	29	0.00	0.0
October 29	63	34	0.00	0.0
October 30	56	31	0.12	0.0
October 31	49	25	0.00	0.0

November 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	57	23	0.00	0.0
November 2	64	24	0.00	0.0
November 3	58	28	0.00	0.0
November 4	58	25	0.00	0.0
November 5	60	30	0.00	0.0
November 6	59	27	0.00	0.0
November 7	59	27	0.00	0.0
November 8	48	26	0.00	0.0
November 9	44	23	0.00	0.0
November 10	54	18	0.00	0.0
November 11	42	16	0.00	0.0
November 12	35	11	0.00	0.0
November 13	39	24	0.00	0.0
November 14	47	16	0.00	0.0
November 15	52	17	0.00	0.0
November 16	53	15	0.00	0.0
November 17	54	21	0.00	0.0
November 18	53	20	0.00	0.0
November 19	52	11	0.00	0.0
November 20	48	17	0.00	0.0
November 21	56	16	0.00	0.0
November 22	47	26	0.00	0.0
November 23	52	23	0.00	0.0
November 24	51	23	0.00	0.0
November 25	40	24	0.00	0.0
November 26	46	14	0.00	0.0
November 27	57	11	0.00	0.0
November 28	51	25	0.00	0.0
November 29	45	23	0.46	3.6
November 30	35	30	0.30	3.0

December 2018 Flagstaff Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	36	22	0.06	0.5
December 2	34	11	0.12	1.3
December 3	38	1	0.00	0.0
December 4	36	8	0.00	0.0
December 5	45	8	0.00	0.0
December 6	35	25	0.33	0.3
December 7	36	28	0.10	0.2
December 8	49	20	0.00	0.0
December 9	44	14	0.00	0.0
December 10	46	18	0.00	0.0
December 11	52	24	0.00	0.0
December 12	49	21	0.00	0.0
December 13	43	20	0.00	0.0
December 14	47	13	0.00	0.0
December 15	55	23	0.00	0.0
December 16	51	18	0.00	0.0
December 17	49	22	0.01	0.2
December 18	49	20	0.00	0.0
December 19	59	20	0.00	0.0
December 20	62	17	0.00	0.0
December 21	50	25	0.00	0.0
December 22	53	21	0.00	0.0
December 23	51	18	0.00	0.0
December 24	56	24	0.00	0.0
December 25	40	21	0.01	0.0
December 26	42	20	0.00	0.0
December 27	30	11	0.10	2.1
December 28	23	1	0.01	0.1
December 29	24	1	0.00	0.0
December 30	41	9	0.00	0.0
December 31	22	11	0.21	4.3

Next Year >

Weather Station Details

Years	Station	Coordinates
1893–2024	Flagstaff Pulliam Airport	location