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Chelan May Weather

Averages and records for weather in Chelan, Washington in the month of May.

Typical Chelan May Weather 1991–2020
Average daily high	70.9 °F
Average daily low	48.7 °F
Average monthly precipitation	1.0 inches
Average monthly snow	none
Daily chance of precipitation	19.9%
Daily chance of snow	0%

Chelan May Weather Records 1890–2024
Highest temperature	98 °F	May 18, 2006
Lowest temperature	32 °F	May 4, 2020
Highest daily low	67 °F	May 26, 1958
Lowest daily high	49 °F	May 12, 1967
Hottest average high temperature	79.9 °F	2023
Coldest average high temperature	64.6 °F	2010
Most daily precipitation	1.8 inches	May 10, 2005
Most monthly precipitation	3.6 inches	2005
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	66.8	44.4	82	34
May 2	67.1	44.7	81	33
May 3	67.5	45.1	89	36
May 4	67.8	45.4	86	32
May 5	68.0	45.7	87	32
May 6	68.2	45.9	86	34
May 7	68.3	46.2	86	34
May 8	68.6	46.5	89	33
May 9	68.8	46.8	92	35
May 10	69.1	47.1	89	33
May 11	69.5	47.4	86	34
May 12	69.8	47.6	89	36
May 13	70.0	47.9	91	33
May 14	70.3	48.1	89	33
May 15	70.5	48.4	89	32
May 16	70.8	48.7	89	34
May 17	71.2	49.1	89	36
May 18	71.5	49.4	98	37
May 19	71.8	49.7	96	38
May 20	72.0	50.0	92	38
May 21	72.3	50.3	93	37
May 22	72.6	50.5	88	35
May 23	72.7	50.7	95	37
May 24	72.9	51.0	92	39
May 25	73.1	51.3	92	38
May 26	73.3	51.6	91	41
May 27	73.3	51.7	93	40
May 28	73.4	51.9	88	39
May 29	73.5	52.1	89	36
May 30	73.7	52.3	93	40
May 31	73.7	52.4	92	40

Weather Station Details

Years	Station	Coordinates
1890–2024	Chelan	location