Itapoã Weather in May

NASA POWER reanalysis for the half-degree grid cell around Itapoã, 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 May 1 to 28°C on May 31, and lows from 17°C to 15°C. Normal precipitation for the month is 22 mm over about 6 wet days.

May day by day

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

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 28°C
Average low: 16°C
Precipitation: 22 mm
Reanalysis high: 34°CMay 12, 2016
Reanalysis low: 9°CMay 28, 2020
Daylight: 11 h 32 min to 11 h 15 min
Cloud cover: 38%
Humidity: 73%
Dew point: 16°C
Wind: 11.5 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	Reanalysis high	Reanalysis low	Chance wet
May 1	27°C	17°C	32°C 2016	12°C 2014	23%
May 2	27°C	17°C	32°C 2016	13°C 2014	23%
May 3	27°C	17°C	32°C 2016	13°C 2020	22%
May 4	27°C	16°C	32°C 2016	13°C 2020	20%
May 5	27°C	16°C	33°C 2016	13°C 2005	19%
May 6	27°C	16°C	32°C 2017	12°C 2005	17%
May 7	27°C	16°C	32°C 2016	12°C 2005	16%
May 8	27°C	16°C	31°C 2017	13°C 2003	17%
May 9	27°C	16°C	31°C 2017	10°C 2003	18%
May 10	27°C	16°C	33°C 2016	11°C 2003	18%
May 11	27°C	16°C	34°C 2016	13°C 1998	19%
May 12	27°C	16°C	34°C 2016	13°C 2006	19%
May 13	27°C	16°C	34°C 2016	13°C 2010	18%
May 14	27°C	16°C	33°C 2017	13°C 2000	17%
May 15	27°C	16°C	32°C 2016	12°C 2000	18%
May 16	27°C	16°C	31°C 2017	13°C 2000	17%
May 17	27°C	16°C	32°C 2016	12°C 1999	16%
May 18	27°C	16°C	32°C 2016	11°C 2006	15%
May 19	27°C	16°C	32°C 2016	10°C 2006	16%
May 20	27°C	16°C	31°C 2002	11°C 2006	16%
May 21	27°C	16°C	32°C 2016	11°C 2018	16%
May 22	27°C	16°C	31°C 2010	11°C 1993	15%
May 23	27°C	16°C	33°C 2016	13°C 2009	14%
May 24	28°C	16°C	32°C 2016	12°C 1993	13%
May 25	28°C	16°C	31°C 1999	11°C 1993	12%
May 26	28°C	16°C	30°C 1998	11°C 1993	11%
May 27	28°C	16°C	32°C 1998	11°C 2002	11%
May 28	28°C	16°C	31°C 1998	9°C 2020	10%
May 29	28°C	15°C	32°C 2016	11°C 2002	10%
May 30	28°C	15°C	32°C 2016	11°C 2020	9%
May 31	28°C	15°C	33°C 2016	11°C 2020	9%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 6:22 AM, sunset 5:54 PM
May 31: sunrise 6:31 AM, sunset 5:46 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.