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Sitka May Weather

Averages and records for weather in Sitka, Alaska in the month of May.

Typical Sitka May Weather 1991–2020
Average daily high	53.5 °F
Average daily low	43.0 °F
Average monthly precipitation	3.8 inches
Daily chance of precipitation	53.1%

Sitka May Weather Records 1899–2024
Highest temperature	82 °F	May 18, 2023
Lowest temperature	28 °F	May 3, 1930
Highest daily low	55 °F	May 2, 2014
Lowest daily high	40 °F	May 3, 1965
Hottest average high temperature	62.6 °F	1945
Coldest average high temperature	47.9 °F	1999
Most daily precipitation	3.7 inches	May 12, 1952
Most monthly precipitation	10.0 inches	1982

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	51.1	40.2	68	29
May 2	51.3	40.3	71	30
May 3	51.5	40.5	66	28
May 4	51.6	40.7	69	29
May 5	51.8	40.9	70	29
May 6	52.0	41.1	75	29
May 7	52.2	41.3	75	30
May 8	52.3	41.5	69	30
May 9	52.4	41.6	72	30
May 10	52.5	41.8	73	29
May 11	52.7	42.0	76	29
May 12	52.9	42.2	79	28
May 13	53.1	42.3	76	29
May 14	53.2	42.5	78	31
May 15	53.4	42.8	80	31
May 16	53.5	42.9	72	31
May 17	53.6	43.1	69	32
May 18	53.7	43.3	82	30
May 19	53.9	43.5	77	31
May 20	54.2	43.7	76	30
May 21	54.4	43.9	82	33
May 22	54.6	44.2	73	32
May 23	54.7	44.4	78	32
May 24	54.8	44.5	75	31
May 25	54.9	44.7	72	33
May 26	55.1	44.9	73	31
May 27	55.2	45.1	78	33
May 28	55.3	45.2	77	34
May 29	55.5	45.4	80	34
May 30	55.7	45.6	70	29
May 31	55.8	45.8	77	31

Weather Station Details

Years	Station	Coordinates
1945–2024	Sitka Airport	location
1899–1944	Sitka Magnetic Observatory	location