San José Weather in April
Average highs run from 32°C on April 1 to 32°C on April 30, and lows from 19°C to 20°C. Normal precipitation for the month is 38 mm over about 7 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
- 32°C
- Average low
- 19°C
- Precipitation
- 38 mm
- Reanalysis high
- 40°CApr 8, 1998
- Reanalysis low
- 13°CApr 10, 2014
- Daylight
- 12 h 17 min to 12 h 40 min
- Cloud cover
- 48%
- Humidity
- 69%
- Dew point
- 17°C
- Wind
- 6.8 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 | 32°C | 19°C | 37°C 2005 | 14°C 2003 | 18% |
| Apr 2 | 32°C | 19°C | 37°C 2017 | 15°C 2003 | 18% |
| Apr 3 | 32°C | 19°C | 37°C 2017 | 16°C 2009 | 18% |
| Apr 4 | 32°C | 19°C | 36°C 1997 | 14°C 2006 | 18% |
| Apr 5 | 32°C | 19°C | 37°C 1995 | 15°C 2006 | 19% |
| Apr 6 | 32°C | 19°C | 38°C 1998 | 16°C 2006 | 19% |
| Apr 7 | 32°C | 19°C | 40°C 1998 | 16°C 2013 | 19% |
| Apr 8 | 32°C | 19°C | 40°C 1998 | 16°C 2009 | 20% |
| Apr 9 | 32°C | 19°C | 39°C 1998 | 13°C 2014 | 20% |
| Apr 10 | 32°C | 19°C | 37°C 2020 | 13°C 2014 | 20% |
| Apr 11 | 32°C | 19°C | 36°C 2019 | 15°C 2003 | 21% |
| Apr 12 | 32°C | 19°C | 38°C 2020 | 16°C 2003 | 22% |
| Apr 13 | 32°C | 19°C | 38°C 2020 | 16°C 2006 | 24% |
| Apr 14 | 32°C | 19°C | 38°C 2019 | 15°C 2006 | 25% |
| Apr 15 | 32°C | 19°C | 38°C 1998 | 15°C 2004 | 25% |
| Apr 16 | 32°C | 19°C | 38°C 1998 | 14°C 2003 | 25% |
| Apr 17 | 32°C | 19°C | 37°C 1998 | 15°C 2004 | 26% |
| Apr 18 | 32°C | 19°C | 38°C 1998 | 13°C 2003 | 25% |
| Apr 19 | 32°C | 19°C | 38°C 1991 | 16°C 2004 | 25% |
| Apr 20 | 32°C | 19°C | 38°C 1991 | 16°C 2004 | 27% |
| Apr 21 | 32°C | 19°C | 35°C 2020 | 14°C 2019 | 27% |
| Apr 22 | 32°C | 19°C | 38°C 1991 | 17°C 2004 | 27% |
| Apr 23 | 32°C | 19°C | 38°C 1991 | 15°C 2000 | 28% |
| Apr 24 | 32°C | 20°C | 37°C 2000 | 15°C 2012 | 29% |
| Apr 25 | 32°C | 20°C | 37°C 2010 | 13°C 2012 | 30% |
| Apr 26 | 32°C | 20°C | 38°C 2003 | 16°C 2012 | 32% |
| Apr 27 | 32°C | 20°C | 38°C 1998 | 17°C 2012 | 32% |
| Apr 28 | 32°C | 20°C | 37°C 1998 | 18°C 2008 | 32% |
| Apr 29 | 32°C | 20°C | 37°C 1991 | 16°C 1992 | 31% |
| Apr 30 | 32°C | 20°C | 38°C 2005 | 17°C 2008 | 32% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- April 1
- sunrise 5:50 AM, sunset 6:07 PM
- April 30
- sunrise 5:32 AM, sunset 6:12 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.