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Blaine May Weather

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

Typical Blaine May Weather 1991–2020
Average daily high	63.5 °F
Average daily low	46.8 °F
Average monthly precipitation	2.5 inches
Average monthly snow	none
Daily chance of precipitation	35.1%
Daily chance of snow	0%

Blaine May Weather Records 1893–2024
Highest temperature	86 °F	May 2, 2016
Lowest temperature	21 °F	May 14, 1899
Highest daily low	59 °F	May 31, 1956
Lowest daily high	47 °F	May 3, 1938
Hottest average high temperature	69.6 °F	1958
Coldest average high temperature	57.1 °F	1933
Most daily precipitation	3.5 inches	May 4, 2014
Most monthly precipitation	7.0 inches	2014
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	60.5	43.8	78	25
May 2	60.7	44.0	86	23
May 3	60.9	44.2	81	32
May 4	61.2	44.4	73	31
May 5	61.4	44.6	78	31
May 6	61.6	44.8	76	28
May 7	61.8	45.0	77	29
May 8	62.0	45.2	78	31
May 9	62.2	45.4	80	31
May 10	62.4	45.5	81	30
May 11	62.6	45.8	80	28
May 12	62.8	46.0	81	29
May 13	63.1	46.2	85	32
May 14	63.2	46.4	82	21
May 15	63.4	46.6	76	26
May 16	63.5	46.8	75	33
May 17	63.7	47.0	82	32
May 18	63.9	47.2	83	32
May 19	64.2	47.4	80	33
May 20	64.4	47.5	79	32
May 21	64.6	47.8	82	31
May 22	64.8	48.0	86	32
May 23	64.9	48.3	83	30
May 24	65.0	48.5	82	34
May 25	65.1	48.7	80	33
May 26	65.2	48.8	84	34
May 27	65.3	49.0	77	35
May 28	65.4	49.1	84	33
May 29	65.5	49.3	84	30
May 30	65.7	49.4	84	32
May 31	65.7	49.5	81	37

Weather Station Details

Years	Station	Coordinates
1893–2024	Blaine	location