San Francisco Weather in April
Average highs run from 63°F on April 1 to 63°F on April 30, and lows from 49°F to 50°F. Normal precipitation for the month is 1.60 in over about 7 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 63°F
- Average low
- 50°F
- Precipitation
- 1.60 in
- Record high
- 91°FApr 20, 2009
- Record low
- 35°FApr 27, 1955
- Chance of a freeze
- 0%
- Daylight
- 12 h 38 min to 13 h 44 min
- Cloud cover
- 48%
- Humidity
- 80%
- Dew point
- 47°F
- Wind
- 8.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 63°F | 49°F | 84°F 2000 | 39°F 1951 | 29% |
| Apr 2 | 63°F | 49°F | 84°F 1959 | 39°F 1955 | 28% |
| Apr 3 | 63°F | 49°F | 84°F 1961 | 37°F 1955 | 28% |
| Apr 4 | 63°F | 49°F | 83°F 1960 | 39°F 2001 | 28% |
| Apr 5 | 63°F | 49°F | 80°F 2026 | 37°F 1955 | 27% |
| Apr 6 | 63°F | 49°F | 86°F 2016 | 36°F 2012 | 27% |
| Apr 7 | 63°F | 49°F | 86°F 2022 | 38°F 1948 | 27% |
| Apr 8 | 63°F | 49°F | 78°F 2014 | 39°F 2012 | 27% |
| Apr 9 | 63°F | 49°F | 80°F 2013 | 39°F 2011 | 26% |
| Apr 10 | 63°F | 50°F | 80°F 1949 | 42°F 1950 | 26% |
| Apr 11 | 63°F | 50°F | 85°F 1962 | 38°F 1955 | 25% |
| Apr 12 | 63°F | 50°F | 86°F 1962 | 38°F 1956 | 25% |
| Apr 13 | 63°F | 50°F | 83°F 1962 | 40°F 1948 | 24% |
| Apr 14 | 63°F | 50°F | 80°F 2020 | 39°F 1950 | 24% |
| Apr 15 | 63°F | 50°F | 82°F 1954 | 40°F 1955 | 24% |
| Apr 16 | 63°F | 50°F | 82°F 1954 | 39°F 1955 | 23% |
| Apr 17 | 63°F | 50°F | 87°F 1954 | 38°F 1963 | 23% |
| Apr 18 | 63°F | 50°F | 81°F 1950 | 42°F 1948 | 22% |
| Apr 19 | 63°F | 50°F | 85°F 1950 | 42°F 1955 | 22% |
| Apr 20 | 63°F | 50°F | 91°F 2009 | 41°F 1961 | 21% |
| Apr 21 | 63°F | 50°F | 86°F 2009 | 38°F 1963 | 21% |
| Apr 22 | 63°F | 50°F | 85°F 2013 | 41°F 1960 | 20% |
| Apr 23 | 63°F | 50°F | 88°F 1966 | 42°F 1955 | 20% |
| Apr 24 | 63°F | 50°F | 82°F 2004 | 39°F 1964 | 20% |
| Apr 25 | 63°F | 50°F | 86°F 2004 | 43°F 1949 | 19% |
| Apr 26 | 63°F | 50°F | 88°F 2004 | 41°F 1955 | 19% |
| Apr 27 | 63°F | 50°F | 88°F 2004 | 35°F 1955 | 18% |
| Apr 28 | 63°F | 50°F | 87°F 1957 | 40°F 1955 | 18% |
| Apr 29 | 63°F | 50°F | 83°F 2014 | 40°F 1948 | 18% |
| Apr 30 | 63°F | 50°F | 89°F 2014 | 42°F 1951 | 17% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- April 1
- sunrise 6:55 AM, sunset 7:33 PM
- April 30
- sunrise 6:15 AM, sunset 7:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023272 (San Francisco Dwtn), public domain. Records: NOAA GHCN-Daily, station USW00023230, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.