Três Rios climate

Três Rios Weather in May

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

Average highs run from 25°C on May 1 to 24°C on May 31, and lows from 15°C to 13°C. Normal precipitation for the month is 50 mm over about 9 wet days.

May day by day

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

Normal daily high and low temperature at Três Rios, in °C, with the record for each date.5101520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
24°C
Average low
14°C
Precipitation
50 mm
Reanalysis high
31°CMay 31, 2019
Reanalysis low
7°CMay 27, 2020
Daylight
11 h 17 min to 10 h 53 min
Cloud cover
54%
Humidity
84%
Dew point
15°C
Wind
8.6 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
May 125°C15°C29°C 200311°C 201633%
May 225°C15°C30°C 201910°C 201633%
May 325°C15°C30°C 201912°C 200533%
May 425°C15°C30°C 200111°C 199132%
May 525°C15°C29°C 201913°C 200630%
May 625°C15°C31°C 201911°C 200130%
May 725°C15°C29°C 201911°C 200829%
May 825°C15°C29°C 20079°C 200330%
May 924°C15°C28°C 201410°C 200331%
May 1024°C15°C28°C 200111°C 199831%
May 1124°C14°C30°C 200110°C 200731%
May 1224°C14°C31°C 20199°C 201433%
May 1324°C14°C30°C 20199°C 201033%
May 1424°C14°C30°C 201911°C 200832%
May 1524°C14°C28°C 199810°C 199931%
May 1624°C14°C29°C 201611°C 199931%
May 1724°C14°C29°C 200711°C 200631%
May 1824°C14°C28°C 20079°C 200631%
May 1924°C14°C29°C 20029°C 200631%
May 2024°C14°C29°C 200210°C 199933%
May 2124°C14°C29°C 20029°C 199933%
May 2224°C14°C30°C 20149°C 201132%
May 2324°C14°C30°C 20149°C 199932%
May 2424°C14°C30°C 201910°C 199931%
May 2524°C14°C31°C 20159°C 200731%
May 2624°C14°C29°C 20159°C 200330%
May 2724°C14°C29°C 19987°C 202029%
May 2824°C14°C31°C 20159°C 200430%
May 2924°C13°C30°C 201910°C 200030%
May 3024°C13°C29°C 201910°C 200030%
May 3124°C13°C31°C 20199°C 199930%

Chance of rain

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

Sunrise and sunset

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

May 1
sunrise 6:11 AM, sunset 5:28 PM
May 31
sunrise 6:24 AM, sunset 5:17 PM

Every day of May: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.