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Rock Springs May Weather

Averages and records for weather in Rock Springs, Wyoming in the month of May.

Typical Rock Springs May Weather 1991–2020
Average daily high	63.6 °F
Average daily low	37.9 °F
Average monthly precipitation	1.3 inches
Daily chance of precipitation	29.1%

Rock Springs May Weather Records 1898–2024
Highest temperature	110 °F	May 16, 1902
Lowest temperature	14 °F	May 1, 1967
Highest daily low	58 °F	May 29, 2003
Lowest daily high	30 °F	May 1, 1954
Hottest average high temperature	75.3 °F	1934
Coldest average high temperature	52.8 °F	1995
Most daily precipitation	1.7 inches	May 30, 1971
Most monthly precipitation	3.7 inches	1995

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	58.2	33.2	76	14
May 2	58.7	33.6	80	18
May 3	59.0	33.9	79	20
May 4	59.5	34.2	79	18
May 5	59.8	34.6	79	18
May 6	60.2	34.9	81	19
May 7	60.5	35.1	81	18
May 8	60.8	35.4	88	21
May 9	61.1	35.7	81	21
May 10	61.3	36.0	83	22
May 11	61.7	36.3	81	23
May 12	62.0	36.6	86	19
May 13	62.4	36.9	81	21
May 14	62.8	37.3	99	24
May 15	63.2	37.6	88	24
May 16	63.7	38.0	110	23
May 17	64.1	38.3	82	26
May 18	64.6	38.7	83	28
May 19	65.0	39.0	86	25
May 20	65.3	39.3	86	26
May 21	65.7	39.6	83	22
May 22	66.2	39.9	81	26
May 23	66.6	40.2	83	24
May 24	67.1	40.5	81	29
May 25	67.5	40.9	82	26
May 26	67.9	41.2	87	25
May 27	68.2	41.4	85	27
May 28	68.5	41.6	89	29
May 29	68.7	41.9	89	31
May 30	69.0	42.0	87	29
May 31	69.2	42.2	90	26

Weather Station Details

Years	Station	Coordinates
1948–2024	Rock Springs Airport	location
1898–1947	Rock Springs	location