Puerto Rico Weather in January
Average highs run from 29°C on January 1 to 29°C on January 31, and lows from 20°C to 20°C. Normal precipitation for the month is 87 mm over about 12 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 29°C
- Average low
- 20°C
- Precipitation
- 87 mm
- Reanalysis high
- 36°CJan 28, 2016
- Reanalysis low
- 17°CJan 21, 1994
- Daylight
- 12 h 01 min to 12 h 02 min
- Cloud cover
- 64%
- Humidity
- 78%
- Dew point
- 19°C
- Wind
- 4.3 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 |
|---|---|---|---|---|---|
| Jan 1 | 29°C | 20°C | 32°C 2016 | 17°C 1994 | 40% |
| Jan 2 | 29°C | 20°C | 32°C 2010 | 18°C 2010 | 40% |
| Jan 3 | 29°C | 20°C | 33°C 2016 | 17°C 2010 | 40% |
| Jan 4 | 29°C | 20°C | 34°C 2016 | 17°C 2001 | 40% |
| Jan 5 | 29°C | 20°C | 33°C 2016 | 17°C 2001 | 40% |
| Jan 6 | 29°C | 20°C | 34°C 2002 | 18°C 2001 | 40% |
| Jan 7 | 29°C | 20°C | 33°C 2010 | 18°C 2015 | 41% |
| Jan 8 | 29°C | 20°C | 33°C 2003 | 18°C 1994 | 42% |
| Jan 9 | 29°C | 20°C | 32°C 2010 | 18°C 2018 | 44% |
| Jan 10 | 29°C | 20°C | 31°C 2010 | 19°C 2014 | 45% |
| Jan 11 | 29°C | 20°C | 32°C 2003 | 18°C 2014 | 47% |
| Jan 12 | 29°C | 20°C | 34°C 2010 | 18°C 1995 | 47% |
| Jan 13 | 29°C | 20°C | 34°C 2010 | 18°C 2002 | 46% |
| Jan 14 | 29°C | 20°C | 34°C 2016 | 18°C 1995 | 45% |
| Jan 15 | 29°C | 20°C | 35°C 2016 | 18°C 2000 | 44% |
| Jan 16 | 29°C | 20°C | 35°C 2016 | 18°C 1992 | 42% |
| Jan 17 | 29°C | 20°C | 34°C 2016 | 18°C 2000 | 41% |
| Jan 18 | 29°C | 20°C | 33°C 2016 | 18°C 2000 | 42% |
| Jan 19 | 29°C | 20°C | 35°C 2016 | 18°C 1994 | 42% |
| Jan 20 | 29°C | 20°C | 34°C 2010 | 17°C 1994 | 41% |
| Jan 21 | 29°C | 20°C | 34°C 2016 | 17°C 1994 | 41% |
| Jan 22 | 29°C | 20°C | 34°C 2020 | 18°C 2012 | 40% |
| Jan 23 | 29°C | 20°C | 34°C 2016 | 18°C 2012 | 40% |
| Jan 24 | 29°C | 20°C | 33°C 2003 | 18°C 2000 | 41% |
| Jan 25 | 29°C | 20°C | 34°C 2016 | 18°C 2000 | 40% |
| Jan 26 | 29°C | 20°C | 35°C 2016 | 18°C 2011 | 40% |
| Jan 27 | 29°C | 20°C | 35°C 2016 | 18°C 1996 | 40% |
| Jan 28 | 29°C | 20°C | 36°C 2016 | 18°C 2004 | 40% |
| Jan 29 | 29°C | 20°C | 35°C 2016 | 18°C 2011 | 40% |
| Jan 30 | 29°C | 20°C | 34°C 2010 | 18°C 2004 | 41% |
| Jan 31 | 29°C | 20°C | 35°C 2016 | 18°C 2004 | 43% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- January 1
- sunrise 6:04 AM, sunset 6:05 PM
- January 31
- sunrise 6:13 AM, sunset 6:15 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.