Rio de Janeiro climate

Rio de Janeiro Weather in July

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

Average highs run from 24°C on July 1 to 24°C on July 31, and lows from 19°C to 18°C. Normal precipitation for the month is 50 mm over about 6 wet days.

July day by day

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

Normal daily high and low temperature at Rio de Janeiro, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
24°C
Average low
18°C
Precipitation
50 mm
Record high
35°CJul 22, 2001
Record low
6°CJul 20, 1998
Daylight
10 h 45 min to 11 h 04 min
Cloud cover
45%
Humidity
79%
Dew point
17°C
Wind
13.7 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Jul 124°C19°C31°C 200511°C 197523%
Jul 224°C19°C30°C 202012°C 202124%
Jul 324°C19°C32°C 200413°C 197425%
Jul 424°C18°C32°C 201814°C 202325%
Jul 524°C18°C30°C 200415°C 197426%
Jul 624°C18°C30°C 202215°C 201326%
Jul 724°C18°C31°C 200313°C 202327%
Jul 824°C18°C30°C 197713°C 197527%
Jul 924°C18°C32°C 202013°C 197527%
Jul 1024°C18°C33°C 200614°C 201927%
Jul 1124°C18°C29°C 20047°C 197428%
Jul 1224°C18°C31°C 200115°C 201327%
Jul 1324°C18°C32°C 202215°C 201826%
Jul 1424°C18°C32°C 202016°C 200626%
Jul 1524°C18°C31°C 200413°C 202327%
Jul 1624°C18°C33°C 197715°C 200327%
Jul 1724°C18°C32°C 197515°C 202027%
Jul 1824°C18°C33°C 202215°C 201926%
Jul 1924°C18°C32°C 200111°C 197725%
Jul 2024°C18°C33°C 19746°C 199824%
Jul 2124°C18°C26°C 197615°C 201924%
Jul 2224°C18°C35°C 200115°C 200024%
Jul 2324°C18°C32°C 200614°C 197523%
Jul 2424°C18°C32°C 197714°C 200422%
Jul 2524°C18°C33°C 200611°C 197523%
Jul 2624°C18°C31°C 202015°C 202123%
Jul 2724°C18°C31°C 197611°C 197725%
Jul 2824°C18°C35°C 200612°C 199226%
Jul 2924°C18°C34°C 200613°C 200027%
Jul 3024°C18°C32°C 202214°C 200027%
Jul 3124°C18°C32°C 197415°C 202526%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Rio de Janeiro, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

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

July 1
sunrise 6:34 AM, sunset 5:19 PM
July 31
sunrise 6:27 AM, sunset 5:31 PM

Every day of July: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station BRM00083746, every year on file, quality-flagged values removed. 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.