Formosa do Rio Preto Weather in May

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

Average highs run from 32°C on May 1 to 33°C on May 31, and lows from 21°C to 20°C. Normal precipitation for the month is 19 mm over about 3 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: 32°C
Average low: 21°C
Precipitation: 19 mm
Reanalysis high: 37°CMay 31, 1998
Reanalysis low: 14°CMay 28, 2002
Daylight: 11 h 43 min to 11 h 31 min
Cloud cover: 44%
Humidity: 60%
Dew point: 17°C
Wind: 11.2 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	32°C	21°C	36°C 2012	18°C 2014	18%
May 2	32°C	21°C	36°C 2002	19°C 2008	18%
May 3	32°C	21°C	35°C 2012	18°C 2004	18%
May 4	32°C	21°C	35°C 2002	17°C 2004	17%
May 5	32°C	21°C	36°C 2002	18°C 1997	15%
May 6	32°C	21°C	36°C 2002	17°C 2005	14%
May 7	32°C	21°C	36°C 2001	17°C 2004	14%
May 8	32°C	21°C	36°C 2001	18°C 2004	13%
May 9	32°C	21°C	36°C 2007	17°C 1996	13%
May 10	32°C	21°C	36°C 2016	18°C 1996	13%
May 11	32°C	21°C	36°C 2012	17°C 1996	12%
May 12	32°C	21°C	36°C 2016	17°C 2005	12%
May 13	32°C	21°C	37°C 2016	17°C 1997	11%
May 14	32°C	21°C	36°C 2012	16°C 2000	12%
May 15	32°C	21°C	36°C 2017	16°C 2000	12%
May 16	32°C	21°C	37°C 2017	15°C 2000	12%
May 17	32°C	21°C	36°C 2002	17°C 2000	12%
May 18	32°C	21°C	36°C 2016	15°C 2006	13%
May 19	32°C	21°C	36°C 2002	16°C 2006	13%
May 20	32°C	21°C	35°C 2018	16°C 2006	13%
May 21	32°C	21°C	35°C 2017	16°C 2008	12%
May 22	32°C	21°C	36°C 2014	17°C 2006	12%
May 23	32°C	20°C	36°C 2016	17°C 2006	12%
May 24	32°C	20°C	37°C 2007	16°C 1997	10%
May 25	32°C	20°C	35°C 2007	16°C 2009	9%
May 26	33°C	20°C	36°C 1998	15°C 1997	9%
May 27	33°C	20°C	36°C 1998	15°C 2009	9%
May 28	33°C	20°C	37°C 1998	14°C 2002	8%
May 29	33°C	20°C	36°C 1998	15°C 2002	7%
May 30	33°C	20°C	36°C 1998	15°C 2002	6%
May 31	33°C	20°C	37°C 1998	15°C 2006	6%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 6:06 AM, sunset 5:49 PM
May 31: sunrise 6:13 AM, sunset 5:44 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.