Piraí climate

Piraí Weather in January

NASA POWER reanalysis for the half-degree grid cell around Piraí, 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 20°C to 20°C. Normal precipitation for the month is 229 mm over about 25 wet days.

January day by day

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

Normal daily high and low temperature at Piraí, 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
20°C
Precipitation
229 mm
Reanalysis high
41°CJan 12, 2015
Reanalysis low
15°CJan 1, 1991
Daylight
13 h 30 min to 13 h 08 min
Cloud cover
71%
Humidity
81%
Dew point
21°C
Wind
6.8 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°C20°C38°C 201515°C 199180%
Jan 231°C20°C37°C 201517°C 199180%
Jan 331°C20°C38°C 201416°C 199779%
Jan 431°C20°C37°C 200816°C 200479%
Jan 531°C20°C34°C 201715°C 200479%
Jan 631°C20°C36°C 201916°C 200979%
Jan 731°C20°C37°C 202016°C 199277%
Jan 831°C20°C37°C 201516°C 199276%
Jan 931°C20°C38°C 201517°C 200876%
Jan 1031°C20°C39°C 201518°C 199475%
Jan 1131°C20°C40°C 201517°C 199474%
Jan 1231°C20°C41°C 201516°C 199473%
Jan 1331°C20°C39°C 201517°C 200572%
Jan 1431°C20°C39°C 201515°C 200572%
Jan 1531°C20°C39°C 201918°C 200172%
Jan 1631°C20°C39°C 199518°C 200273%
Jan 1731°C20°C39°C 201517°C 200273%
Jan 1831°C20°C40°C 201516°C 200474%
Jan 1931°C20°C40°C 201515°C 200475%
Jan 2031°C20°C40°C 201515°C 200475%
Jan 2131°C20°C38°C 201515°C 200475%
Jan 2231°C20°C40°C 200617°C 201376%
Jan 2331°C20°C36°C 201917°C 201375%
Jan 2431°C20°C38°C 201918°C 200874%
Jan 2531°C20°C39°C 200617°C 202074%
Jan 2631°C20°C36°C 200617°C 200874%
Jan 2731°C20°C36°C 201617°C 200073%
Jan 2831°C20°C35°C 199815°C 200072%
Jan 2931°C20°C37°C 201917°C 201272%
Jan 3031°C20°C37°C 201915°C 201272%
Jan 3131°C20°C39°C 201916°C 201271%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Piraí, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

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

January 1
sunrise 5:14 AM, sunset 6:44 PM
January 31
sunrise 5:35 AM, sunset 6:43 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.