Puerto Rico climate

Puerto Rico Weather in July

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 20°C on July 1 to 21°C on July 31, and lows from 11°C to 11°C. Normal precipitation for the month is 102 mm over about 9 wet days.

July 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.-10010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
20°C
Average low
10°C
Precipitation
102 mm
Reanalysis high
31°CJul 12, 2006
Reanalysis low
-3°CJul 25, 2009
Daylight
10 h 29 min to 10 h 51 min
Cloud cover
56%
Humidity
84%
Dew point
12°C
Wind
4.0 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
Jul 120°C11°C26°C 20052°C 199736%
Jul 220°C11°C27°C 20125°C 201336%
Jul 320°C11°C26°C 20124°C 202035%
Jul 420°C11°C27°C 20122°C 201134%
Jul 520°C11°C26°C 19951°C 201133%
Jul 620°C11°C26°C 2018-1°C 201932%
Jul 720°C11°C26°C 2006-1°C 201931%
Jul 820°C11°C28°C 20062°C 201231%
Jul 920°C10°C25°C 19970°C 199431%
Jul 1020°C10°C25°C 20080°C 199432%
Jul 1120°C10°C29°C 20060°C 200432%
Jul 1220°C10°C31°C 20060°C 200332%
Jul 1319°C10°C30°C 2006-1°C 200032%
Jul 1419°C10°C27°C 1995-3°C 200031%
Jul 1519°C10°C28°C 19952°C 199331%
Jul 1619°C10°C27°C 20181°C 200029%
Jul 1719°C10°C29°C 2018-1°C 200028%
Jul 1819°C10°C28°C 2018-2°C 201728%
Jul 1919°C10°C28°C 2018-1°C 201728%
Jul 2020°C10°C26°C 2006-2°C 200029%
Jul 2120°C10°C28°C 20060°C 200029%
Jul 2220°C10°C30°C 20061°C 201330%
Jul 2320°C10°C29°C 20060°C 201330%
Jul 2420°C10°C29°C 2006-2°C 200930%
Jul 2520°C10°C26°C 1995-3°C 200929%
Jul 2620°C10°C25°C 1995-1°C 200928%
Jul 2720°C10°C27°C 19953°C 201028%
Jul 2820°C10°C26°C 19950°C 200127%
Jul 2920°C10°C26°C 19941°C 200725%
Jul 3021°C10°C26°C 19942°C 202025%
Jul 3121°C11°C26°C 19940°C 199326%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Puerto Rico, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

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

July 1
sunrise 7:30 AM, sunset 5:59 PM
July 31
sunrise 7:21 AM, sunset 6:12 PM

Every day of July: 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.