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Barstow May Weather

Averages and records for weather in Barstow, California in the month of May.

Typical Barstow May Weather 1991–2020
Average daily high	86.3 °F
Average daily low	56.4 °F
Average monthly precipitation	0.1 inches
Average monthly snow	none
Daily chance of precipitation	2.4%
Daily chance of snow	0%

Barstow May Weather Records 1903–2024
Highest temperature	107 °F	May 28, 2003
Lowest temperature	32 °F	May 10, 1980
Highest daily low	78 °F	May 17, 2003
Lowest daily high	56 °F	May 6, 1964
Hottest average high temperature	94.2 °F	2000
Coldest average high temperature	76.2 °F	1977
Most daily precipitation	0.5 inches	May 2, 2018
Most monthly precipitation	1.2 inches	1987
Most daily snow	none	-
Most monthly snow	none	-

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	82.6	53.1	100	36
May 2	82.9	53.4	102	37
May 3	83.3	53.8	102	37
May 4	83.6	54.1	101	39
May 5	83.9	54.3	102	36
May 6	84.1	54.5	98	36
May 7	84.3	54.7	99	33
May 8	84.5	54.9	98	37
May 9	84.6	55.0	100	36
May 10	84.7	55.1	102	32
May 11	84.9	55.4	103	33
May 12	85.1	55.5	99	41
May 13	85.2	55.7	102	40
May 14	85.4	55.9	100	40
May 15	85.7	56.1	98	39
May 16	86.1	56.3	100	38
May 17	86.5	56.6	102	34
May 18	86.8	56.8	104	40
May 19	87.1	57.1	105	39
May 20	87.5	57.4	102	38
May 21	87.9	57.7	101	34
May 22	88.3	58.0	103	39
May 23	88.7	58.3	102	36
May 24	89.0	58.5	104	41
May 25	89.3	58.7	105	41
May 26	89.6	59.0	107	41
May 27	89.9	59.3	103	40
May 28	90.1	59.5	107	39
May 29	90.4	59.7	106	38
May 30	90.6	59.9	104	38
May 31	90.9	60.1	104	40

Weather Station Details

Years	Station	Coordinates
1980–2024	Barstow	location
1903–1980	Barstow	location