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Half Moon Bay April Weather

Averages and records for weather in Half Moon Bay, California in the month of April.

Typical Half Moon Bay April Weather 1991–2020
Average daily high	61.2 °F
Average daily low	44.7 °F
Average monthly precipitation	1.8 inches
Average monthly snow	none
Daily chance of precipitation	29.4%
Daily chance of snow	0%

Half Moon Bay April Weather Records 1939–2024
Highest temperature	84 °F	April 1, 2000
Lowest temperature	31 °F	April 30, 2008
Highest daily low	59 °F	April 11, 1992
Lowest daily high	50 °F	April 1, 1982
Hottest average high temperature	65.8 °F	1992
Coldest average high temperature	54.9 °F	1975
Most daily precipitation	2.4 inches	April 4, 1941
Most monthly precipitation	7.4 inches	1967
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
April 1	60.6	44.0	84	32
April 2	60.6	44.0	82	33
April 3	60.6	44.0	75	35
April 4	60.6	43.9	77	32
April 5	60.6	43.9	74	34
April 6	60.7	43.9	78	35
April 7	60.8	43.9	80	35
April 8	60.8	44.0	82	33
April 9	61.0	44.1	82	34
April 10	61.0	44.3	81	36
April 11	61.1	44.3	81	35
April 12	61.1	44.4	82	34
April 13	61.1	44.5	78	34
April 14	61.1	44.6	80	35
April 15	61.2	44.8	82	34
April 16	61.2	44.8	78	32
April 17	61.2	44.8	75	34
April 18	61.3	44.9	80	34
April 19	61.4	45.1	80	33
April 20	61.5	45.2	77	31
April 21	61.5	45.3	80	36
April 22	61.6	45.4	76	36
April 23	61.6	45.5	75	38
April 24	61.6	45.6	79	33
April 25	61.7	45.8	79	35
April 26	61.7	45.8	72	37
April 27	61.7	45.8	80	37
April 28	61.7	45.9	80	38
April 29	61.7	46.0	76	36
April 30	61.7	46.1	79	31

Weather Station Details

Years	Station	Coordinates
1939–2024	Half Moon Bay	location