< Previous Month Next Month >

Flagstaff May Weather

Averages and records for weather in Flagstaff, Arizona in the month of May.

Typical Flagstaff May Weather 1991–2020
Average daily high	68.0 °F
Average daily low	34.7 °F
Average monthly precipitation	0.8 inches
Average monthly snow	1.1 inches
Daily chance of precipitation	14.5%
Daily chance of snow	2.8%

Flagstaff May Weather Records 1893–2024
Highest temperature	93 °F	May 27, 1896
Lowest temperature	14 °F	May 6, 1975
Highest daily low	64 °F	May 28, 1897
Lowest daily high	36 °F	May 8, 1930
Hottest average high temperature	75.9 °F	1984
Coldest average high temperature	58.8 °F	2019
Most daily precipitation	1.1 inches	May 24, 1965
Most monthly precipitation	4.1 inches	1992
Most daily snow	6.6 inches	May 24, 1965
Most monthly snow	16.5 inches	1905

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	64.2	31.6	78	17
May 2	64.5	31.9	80	19
May 3	64.8	32.2	77	19
May 4	65.1	32.4	78	19
May 5	65.3	32.7	79	18
May 6	65.6	32.9	81	14
May 7	65.8	33.1	81	15
May 8	66.0	33.3	85	17
May 9	66.2	33.4	81	14
May 10	66.4	33.6	82	19
May 11	66.5	33.8	86	16
May 12	66.7	34.0	86	20
May 13	67.0	34.1	82	18
May 14	67.4	34.3	83	21
May 15	67.7	34.5	81	20
May 16	68.1	34.7	80	16
May 17	68.5	35.0	82	20
May 18	68.9	35.2	82	20
May 19	69.2	35.5	85	20
May 20	69.6	35.8	84	20
May 21	70.0	36.0	82	21
May 22	70.5	36.2	85	21
May 23	70.9	36.6	85	22
May 24	71.2	36.8	84	24
May 25	71.5	37.0	85	18
May 26	71.8	37.3	90	24
May 27	72.1	37.5	93	25
May 28	72.3	37.7	92	24
May 29	72.6	37.8	87	25
May 30	72.8	38.0	90	22
May 31	73.2	38.1	89	23

Weather Station Details

Years	Station	Coordinates
1893–2024	Flagstaff Pulliam Airport	location