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St. Helena June Weather

Averages and records for weather in St. Helena, California in the month of June.

Typical St. Helena June Weather 1991–2020
Average daily high	85.3 °F
Average daily low	53.7 °F
Average monthly precipitation	0.2 inches
Average monthly snow	none
Daily chance of precipitation	2.7%
Daily chance of snow	0%

St. Helena June Weather Records 1907–2023
Highest temperature	110 °F	June 27, 1976
Lowest temperature	36 °F	June 12, 1952
Highest daily low	78 °F	June 24, 1976
Lowest daily high	55 °F	June 2, 1967
Hottest average high temperature	93.7 °F	1918
Coldest average high temperature	77.2 °F	1998
Most daily precipitation	1.6 inches	June 2, 1967
Most monthly precipitation	2.5 inches	2011
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
June 1	81.8	52.1	107	38
June 2	82.1	52.2	107	36
June 3	82.3	52.3	108	37
June 4	82.6	52.5	105	38
June 5	82.8	52.6	104	39
June 6	83.1	52.7	106	38
June 7	83.4	52.8	104	37
June 8	83.7	52.8	105	38
June 9	84.0	53.0	107	40
June 10	84.3	53.1	108	39
June 11	84.6	53.2	107	39
June 12	84.8	53.3	103	36
June 13	85.1	53.5	105	40
June 14	85.3	53.6	107	40
June 15	85.4	53.7	107	40
June 16	85.6	53.8	104	36
June 17	85.8	53.9	107	40
June 18	86.0	54.0	110	40
June 19	86.2	54.0	110	38
June 20	86.5	54.1	110	40
June 21	86.7	54.2	110	40
June 22	86.9	54.4	107	38
June 23	87.1	54.4	109	42
June 24	87.3	54.5	110	38
June 25	87.5	54.6	107	39
June 26	87.7	54.6	107	40
June 27	87.7	54.7	110	41
June 28	87.8	54.8	106	40
June 29	88.0	54.8	109	40
June 30	88.1	54.9	108	40

Weather Station Details

Years	Station	Coordinates
1907–2023	Saint Helena	location