Piatã Weather in May

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

Average highs run from 28°C on May 1 to 27°C on May 31, and lows from 17°C to 15°C. Normal precipitation for the month is 31 mm over about 9 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: 31 mm
Reanalysis high: 33°CMay 31, 1998
Reanalysis low: 10°CMay 28, 2002
Daylight: 11 h 38 min to 11 h 24 min
Cloud cover: 58%
Humidity: 71%
Dew point: 15°C
Wind: 16.2 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	28°C	17°C	33°C 2012	14°C 2014	35%
May 2	28°C	17°C	31°C 2003	15°C 2002	34%
May 3	28°C	16°C	31°C 1993	15°C 2012	33%
May 4	28°C	16°C	32°C 2002	14°C 2010	31%
May 5	28°C	16°C	32°C 1998	13°C 2004	30%
May 6	28°C	16°C	31°C 2001	14°C 2014	30%
May 7	28°C	16°C	32°C 2001	14°C 1996	30%
May 8	28°C	16°C	31°C 2013	14°C 1997	29%
May 9	28°C	16°C	30°C 2010	14°C 1996	28%
May 10	28°C	16°C	31°C 2016	14°C 2020	28%
May 11	28°C	16°C	33°C 2016	13°C 1998	26%
May 12	28°C	16°C	32°C 2016	13°C 2007	25%
May 13	28°C	16°C	32°C 2016	13°C 2014	25%
May 14	28°C	16°C	32°C 1993	14°C 2000	25%
May 15	28°C	16°C	32°C 2017	14°C 1999	25%
May 16	28°C	16°C	33°C 2017	13°C 1998	25%
May 17	27°C	16°C	32°C 2016	13°C 2006	25%
May 18	27°C	16°C	31°C 2001	12°C 2006	25%
May 19	27°C	16°C	31°C 2000	12°C 2006	25%
May 20	27°C	16°C	30°C 2018	10°C 2006	26%
May 21	27°C	16°C	31°C 2002	12°C 2006	25%
May 22	27°C	16°C	30°C 2014	13°C 2006	24%
May 23	27°C	16°C	31°C 1996	13°C 2006	23%
May 24	27°C	16°C	31°C 2007	13°C 1993	23%
May 25	27°C	16°C	30°C 2003	12°C 1993	22%
May 26	27°C	16°C	30°C 2001	14°C 1997	22%
May 27	27°C	16°C	32°C 1998	12°C 2011	22%
May 28	27°C	16°C	32°C 1998	10°C 2002	23%
May 29	27°C	16°C	30°C 2007	12°C 2002	24%
May 30	27°C	16°C	31°C 1998	12°C 2020	24%
May 31	27°C	15°C	33°C 1998	12°C 2020	23%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 5:55 AM, sunset 5:33 PM
May 31: sunrise 6:03 AM, sunset 5:27 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.