Puerto Rico climate

Puerto Rico Weather in January

NASA POWER reanalysis for the half-degree grid cell around Puerto Rico, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 31°C on January 1 to 31°C on January 31, and lows from 21°C to 21°C. Normal precipitation for the month is 158 mm over about 16 wet days.

January day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Puerto Rico, in °C, with the record for each date.1020304050151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
31°C
Average low
21°C
Precipitation
158 mm
Reanalysis high
41°CJan 16, 2006
Reanalysis low
13°CJan 16, 1992
Daylight
13 h 47 min to 13 h 20 min
Cloud cover
62%
Humidity
75%
Dew point
20°C
Wind
3.2 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jan 131°C21°C39°C 200516°C 200447%
Jan 231°C21°C36°C 199614°C 201348%
Jan 331°C21°C37°C 199615°C 201348%
Jan 431°C21°C37°C 199615°C 200948%
Jan 531°C21°C37°C 200014°C 200947%
Jan 631°C21°C38°C 200615°C 200946%
Jan 731°C21°C40°C 200616°C 199646%
Jan 831°C21°C39°C 200617°C 199845%
Jan 931°C21°C39°C 200618°C 200845%
Jan 1031°C21°C39°C 199614°C 199445%
Jan 1131°C21°C39°C 199613°C 199446%
Jan 1231°C21°C37°C 200613°C 200146%
Jan 1331°C21°C36°C 199617°C 199146%
Jan 1431°C21°C37°C 200617°C 201046%
Jan 1531°C21°C39°C 200617°C 201046%
Jan 1631°C21°C41°C 200613°C 199247%
Jan 1731°C21°C37°C 199413°C 199249%
Jan 1831°C21°C36°C 201413°C 199149%
Jan 1931°C21°C37°C 201415°C 199347%
Jan 2031°C21°C38°C 200217°C 200948%
Jan 2131°C21°C39°C 201416°C 200848%
Jan 2231°C21°C39°C 201417°C 201049%
Jan 2331°C21°C38°C 201417°C 199549%
Jan 2431°C21°C38°C 201316°C 200349%
Jan 2531°C21°C36°C 201916°C 200349%
Jan 2631°C21°C37°C 201915°C 200549%
Jan 2731°C21°C37°C 201914°C 201349%
Jan 2831°C21°C36°C 201915°C 201750%
Jan 2931°C21°C37°C 201918°C 199550%
Jan 3031°C21°C39°C 201916°C 199150%
Jan 3131°C21°C39°C 201914°C 199150%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Puerto Rico, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

January 1
sunrise 5:50 AM, sunset 7:37 PM
January 31
sunrise 6:13 AM, sunset 7:33 PM

Every day of January: sun and moon

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.