Santa Rosa Weather in April
Average highs run from 29°C on April 1 to 28°C on April 30, and lows from 19°C to 16°C. Normal precipitation for the month is 60 mm over about 9 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
- 18°C
- Precipitation
- 60 mm
- Reanalysis high
- 39°CApr 28, 1995
- Reanalysis low
- 5°CApr 26, 2005
- Daylight
- 11 h 51 min to 11 h 15 min
- Cloud cover
- 71%
- Humidity
- 72%
- Dew point
- 17°C
- Wind
- 10.1 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 | 29°C | 19°C | 38°C 2016 | 13°C 2002 | 48% |
| Apr 2 | 29°C | 19°C | 39°C 1996 | 14°C 2002 | 46% |
| Apr 3 | 29°C | 19°C | 36°C 2016 | 14°C 2005 | 46% |
| Apr 4 | 30°C | 19°C | 38°C 2016 | 13°C 2005 | 46% |
| Apr 5 | 29°C | 19°C | 37°C 2016 | 12°C 1997 | 46% |
| Apr 6 | 29°C | 19°C | 37°C 2013 | 13°C 2019 | 44% |
| Apr 7 | 29°C | 19°C | 36°C 2014 | 13°C 1994 | 42% |
| Apr 8 | 29°C | 19°C | 36°C 2016 | 11°C 1994 | 40% |
| Apr 9 | 29°C | 18°C | 37°C 1996 | 13°C 1994 | 38% |
| Apr 10 | 29°C | 18°C | 36°C 1998 | 14°C 2020 | 36% |
| Apr 11 | 29°C | 18°C | 38°C 2013 | 13°C 2020 | 34% |
| Apr 12 | 29°C | 18°C | 34°C 1998 | 12°C 1995 | 31% |
| Apr 13 | 29°C | 18°C | 35°C 1998 | 12°C 1995 | 30% |
| Apr 14 | 29°C | 18°C | 36°C 1993 | 10°C 2008 | 31% |
| Apr 15 | 29°C | 18°C | 37°C 2016 | 7°C 2008 | 31% |
| Apr 16 | 29°C | 18°C | 37°C 2016 | 9°C 2008 | 30% |
| Apr 17 | 29°C | 17°C | 36°C 2016 | 6°C 1999 | 29% |
| Apr 18 | 29°C | 17°C | 35°C 2010 | 6°C 1999 | 29% |
| Apr 19 | 29°C | 17°C | 37°C 2010 | 7°C 1999 | 27% |
| Apr 20 | 29°C | 17°C | 38°C 2010 | 10°C 1991 | 27% |
| Apr 21 | 29°C | 17°C | 34°C 2013 | 12°C 1995 | 27% |
| Apr 22 | 29°C | 17°C | 36°C 2011 | 11°C 1995 | 27% |
| Apr 23 | 29°C | 17°C | 35°C 2013 | 12°C 1995 | 26% |
| Apr 24 | 29°C | 17°C | 36°C 2020 | 11°C 2010 | 26% |
| Apr 25 | 29°C | 17°C | 35°C 2020 | 9°C 2005 | 26% |
| Apr 26 | 29°C | 17°C | 35°C 2013 | 5°C 2005 | 26% |
| Apr 27 | 28°C | 16°C | 37°C 1994 | 7°C 2005 | 26% |
| Apr 28 | 28°C | 16°C | 39°C 1995 | 6°C 2016 | 25% |
| Apr 29 | 28°C | 16°C | 35°C 2013 | 8°C 2016 | 24% |
| Apr 30 | 28°C | 16°C | 36°C 2013 | 8°C 2008 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- April 1
- sunrise 7:26 AM, sunset 7:17 PM
- April 30
- sunrise 7:37 AM, sunset 6:52 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.