Guaratuba Weather in January

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

Average highs run from 27°C on January 1 to 28°C on January 31, and lows from 21°C to 21°C. Normal precipitation for the month is 267 mm over about 25 wet days.

January day by day

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

Normal low
Normal high
Record high
Record low

January at a glance

Average high: 27°C
Average low: 21°C
Precipitation: 267 mm
Record high: 39°CJan 4, 1979
Record low: 10°CJan 16, 1974
Daylight: 13 h 44 min to 13 h 17 min
Cloud cover: 80%
Humidity: 88%
Dew point: 21°C
Wind: 4.7 km/h

Every day of the month

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

Date	Normal high	Normal low	Record high	Record low	Chance wet
Jan 1	27°C	21°C	34°C 1979	20°C 1976	78%
Jan 2	27°C	21°C	29°C 1983	20°C 2021	79%
Jan 3	27°C	21°C	29°C 1983	18°C 1975	80%
Jan 4	27°C	21°C	39°C 1979	16°C 1975	80%
Jan 5	27°C	21°C	28°C 1975	17°C 1982	80%
Jan 6	27°C	21°C	28°C 1975	11°C 1979	81%
Jan 7	27°C	21°C	35°C 1976	18°C 1979	82%
Jan 8	27°C	21°C	32°C 1974	17°C 1979	82%
Jan 9	27°C	21°C	33°C 1974	18°C 1979	82%
Jan 10	27°C	21°C	34°C 1974	18°C 1979	82%
Jan 11	27°C	21°C	35°C 1974	18°C 1979	82%
Jan 12	27°C	21°C	28°C 1974	18°C 1979	83%
Jan 13	27°C	21°C	28°C 1979	19°C 1975	82%
Jan 14	27°C	21°C	33°C 1979	19°C 1979	82%
Jan 15	27°C	21°C	28°C 1979	15°C 1974	83%
Jan 16	27°C	21°C	23°C 1974	10°C 1974	83%
Jan 17	27°C	21°C	35°C 1979	19°C 1979	83%
Jan 18	27°C	21°C	28°C 1979	17°C 1979	83%
Jan 19	27°C	21°C	32°C 1982	18°C 1979	84%
Jan 20	27°C	21°C	29°C 1982	18°C 1979	85%
Jan 21	27°C	21°C	36°C 1989	20°C 1975	85%
Jan 22	27°C	21°C	30°C 1974	18°C 1979	85%
Jan 23	27°C	21°C		19°C 1975	84%
Jan 24	27°C	21°C	31°C 1974	18°C 1979	84%
Jan 25	27°C	21°C		20°C 1979	84%
Jan 26	27°C	21°C	32°C 1975	22°C 1979	83%
Jan 27	27°C	21°C	34°C 1975	20°C 1974	83%
Jan 28	28°C	21°C	36°C 1975	23°C 1974	82%
Jan 29	28°C	21°C	36°C 1974	19°C 1979	82%
Jan 30	28°C	21°C	27°C 1975	19°C 1979	81%
Jan 31	28°C	21°C	29°C 1979	18°C 1979	81%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

January 1: sunrise 5:26 AM, sunset 7:10 PM
January 31: sunrise 5:49 AM, sunset 7:06 PM

Every day of January: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station BR002548005, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.