San Rafael Weather in April
Average highs run from 28°C on April 1 to 29°C on April 30, and lows from 11°C to 13°C. Normal precipitation for the month is 24 mm over about 6 wet days.
April day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
April at a glance
- Average high
- 29°C
- Average low
- 12°C
- Precipitation
- 24 mm
- Reanalysis high
- 33°CApr 28, 2002
- Reanalysis low
- 6°CApr 28, 1997
- Daylight
- 12 h 20 min to 12 h 50 min
- Cloud cover
- 47%
- Humidity
- 45%
- Dew point
- 5°C
- Wind
- 9.7 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 28°C | 11°C | 31°C 2008 | 8°C 2003 | 15% |
| Apr 2 | 28°C | 11°C | 32°C 2006 | 8°C 2004 | 15% |
| Apr 3 | 28°C | 11°C | 31°C 1998 | 9°C 1996 | 16% |
| Apr 4 | 28°C | 12°C | 33°C 2001 | 9°C 2006 | 16% |
| Apr 5 | 28°C | 12°C | 32°C 2001 | 8°C 2000 | 16% |
| Apr 6 | 28°C | 12°C | 33°C 1999 | 9°C 1992 | 16% |
| Apr 7 | 28°C | 12°C | 32°C 1999 | 9°C 2009 | 16% |
| Apr 8 | 28°C | 12°C | 32°C 2011 | 9°C 1996 | 17% |
| Apr 9 | 28°C | 12°C | 32°C 2011 | 7°C 1993 | 17% |
| Apr 10 | 28°C | 12°C | 32°C 1999 | 9°C 2007 | 18% |
| Apr 11 | 29°C | 12°C | 33°C 2011 | 9°C 2007 | 19% |
| Apr 12 | 29°C | 12°C | 32°C 2001 | 9°C 2017 | 20% |
| Apr 13 | 29°C | 12°C | 33°C 2001 | 8°C 2006 | 22% |
| Apr 14 | 29°C | 12°C | 33°C 1998 | 8°C 2006 | 23% |
| Apr 15 | 29°C | 12°C | 33°C 1998 | 9°C 1996 | 25% |
| Apr 16 | 29°C | 12°C | 33°C 1998 | 9°C 2010 | 26% |
| Apr 17 | 29°C | 12°C | 33°C 2001 | 9°C 1993 | 28% |
| Apr 18 | 29°C | 12°C | 33°C 2019 | 8°C 2004 | 28% |
| Apr 19 | 29°C | 12°C | 33°C 1991 | 7°C 2004 | 29% |
| Apr 20 | 29°C | 12°C | 32°C 2000 | 9°C 2004 | 30% |
| Apr 21 | 29°C | 12°C | 32°C 2008 | 10°C 2009 | 30% |
| Apr 22 | 29°C | 13°C | 33°C 1991 | 10°C 2000 | 31% |
| Apr 23 | 29°C | 13°C | 32°C 1995 | 6°C 2012 | 31% |
| Apr 24 | 29°C | 13°C | 32°C 2002 | 7°C 2012 | 32% |
| Apr 25 | 29°C | 13°C | 32°C 2002 | 7°C 1997 | 33% |
| Apr 26 | 29°C | 13°C | 31°C 2006 | 8°C 2012 | 34% |
| Apr 27 | 29°C | 13°C | 32°C 2003 | 7°C 1997 | 34% |
| Apr 28 | 29°C | 13°C | 33°C 2002 | 6°C 1997 | 35% |
| Apr 29 | 29°C | 13°C | 33°C 2002 | 9°C 1997 | 36% |
| Apr 30 | 29°C | 13°C | 33°C 2002 | 9°C 2010 | 36% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- April 1
- sunrise 6:29 AM, sunset 6:49 PM
- April 30
- sunrise 6:07 AM, sunset 6:57 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.