St. Helena April Weather

Averages and records for weather in St. Helena, California in the month of April.
Typical St. Helena April Weather
1991–2020
Average daily high 72.1 °F
Average daily low 46.0 °F
Average monthly precipitation 1.9 inches
Average monthly snow none
Daily chance of precipitation 18.4%
Daily chance of snow 0%
St. Helena April Weather Records
1907–2023
Highest temperature 98 °F April 29, 1981
Lowest temperature 27 °F April 8, 1953
Highest daily low 65 °F April 23, 2013
Lowest daily high 43 °F April 10, 1927
Hottest average high temperature 79.1 °F 1959
Coldest average high temperature 57.7 °F 1967
Most daily precipitation 3.5 inches April 1, 1927
Most monthly precipitation 8.4 inches 1926
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)
High Low High Low
April 1 68.9 44.4 88 28
April 2 69.0 44.5 91 29
April 3 69.1 44.5 89 30
April 4 69.2 44.5 89 30
April 5 69.5 44.5 90 29
April 6 69.7 44.6 93 28
April 7 70.0 44.7 93 27
April 8 70.3 44.9 96 27
April 9 70.6 45.1 94 28
April 10 70.9 45.3 94 30
April 11 71.1 45.4 90 30
April 12 71.3 45.5 90 31
April 13 71.6 45.6 95 30
April 14 71.8 45.7 93 31
April 15 71.9 45.8 95 29
April 16 72.2 45.9 89 31
April 17 72.6 46.0 91 29
April 18 72.8 46.2 90 30
April 19 73.1 46.4 91 31
April 20 73.4 46.5 96 31
April 21 73.7 46.7 93 31
April 22 73.9 46.8 90 31
April 23 74.1 47.0 94 31
April 24 74.5 47.2 93 30
April 25 74.7 47.3 95 31
April 26 75.0 47.4 95 34
April 27 75.3 47.5 92 30
April 28 75.5 47.6 96 31
April 29 75.7 47.8 98 32
April 30 76.0 48.0 94 31
Weather Station Details
Years Station Coordinates
1907–2023 Saint Helena location