San Juan Weather in April
Average highs run from 29°C on April 1 to 28°C on April 30, and lows from 23°C to 23°C. Normal precipitation for the month is 294 mm over about 21 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
- 28°C
- Average low
- 23°C
- Precipitation
- 294 mm
- Reanalysis high
- 34°CApr 3, 1992
- Reanalysis low
- 18°CApr 24, 2013
- Daylight
- 12 h 04 min to 11 h 59 min
- Cloud cover
- 81%
- Humidity
- 91%
- Dew point
- 24°C
- Wind
- 2.5 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 | 23°C | 32°C 1992 | 21°C 2001 | 73% |
| Apr 2 | 29°C | 23°C | 31°C 1992 | 22°C 1997 | 74% |
| Apr 3 | 29°C | 23°C | 34°C 1992 | 21°C 2000 | 74% |
| Apr 4 | 29°C | 23°C | 31°C 1992 | 22°C 2008 | 73% |
| Apr 5 | 29°C | 23°C | 31°C 1994 | 21°C 1996 | 72% |
| Apr 6 | 28°C | 23°C | 34°C 1992 | 22°C 2012 | 72% |
| Apr 7 | 28°C | 23°C | 32°C 1992 | 21°C 2000 | 71% |
| Apr 8 | 28°C | 23°C | 31°C 1992 | 21°C 2000 | 71% |
| Apr 9 | 28°C | 23°C | 31°C 1994 | 22°C 2001 | 73% |
| Apr 10 | 28°C | 23°C | 31°C 1994 | 22°C 2009 | 73% |
| Apr 11 | 28°C | 23°C | 30°C 1998 | 22°C 1999 | 72% |
| Apr 12 | 28°C | 23°C | 30°C 2010 | 22°C 1996 | 72% |
| Apr 13 | 28°C | 23°C | 30°C 1992 | 21°C 2000 | 73% |
| Apr 14 | 28°C | 23°C | 30°C 2020 | 21°C 2001 | 72% |
| Apr 15 | 28°C | 23°C | 30°C 2020 | 21°C 2001 | 69% |
| Apr 16 | 28°C | 23°C | 31°C 1998 | 22°C 2011 | 68% |
| Apr 17 | 28°C | 23°C | 30°C 1998 | 22°C 2000 | 67% |
| Apr 18 | 28°C | 23°C | 30°C 1992 | 21°C 1999 | 68% |
| Apr 19 | 28°C | 23°C | 31°C 1992 | 19°C 1999 | 68% |
| Apr 20 | 28°C | 23°C | 31°C 1992 | 20°C 1999 | 69% |
| Apr 21 | 28°C | 23°C | 30°C 2017 | 21°C 1999 | 69% |
| Apr 22 | 28°C | 23°C | 30°C 2010 | 22°C 2007 | 69% |
| Apr 23 | 28°C | 23°C | 30°C 2010 | 21°C 2013 | 68% |
| Apr 24 | 28°C | 23°C | 30°C 1998 | 18°C 2013 | 67% |
| Apr 25 | 28°C | 23°C | 31°C 1998 | 19°C 2013 | 67% |
| Apr 26 | 28°C | 23°C | 29°C 2016 | 21°C 2013 | 67% |
| Apr 27 | 28°C | 23°C | 30°C 1998 | 21°C 1996 | 66% |
| Apr 28 | 28°C | 23°C | 30°C 1998 | 20°C 2016 | 65% |
| Apr 29 | 28°C | 23°C | 30°C 2019 | 19°C 2016 | 66% |
| Apr 30 | 28°C | 23°C | 30°C 1992 | 21°C 2016 | 67% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- April 1
- sunrise 5:55 AM, sunset 5:59 PM
- April 30
- sunrise 5:51 AM, sunset 5:50 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.