Chapada dos Guimarães Weather in May

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

Average highs run from 29°C on May 1 to 29°C on May 31, and lows from 19°C to 18°C. Normal precipitation for the month is 48 mm over about 7 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: 29°C
Average low: 19°C
Precipitation: 48 mm
Reanalysis high: 37°CMay 15, 2016
Reanalysis low: 8°CMay 13, 2010
Daylight: 11 h 32 min to 11 h 16 min
Cloud cover: 47%
Humidity: 77%
Dew point: 19°C
Wind: 10.1 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	29°C	19°C	33°C 2020	14°C 2012	33%
May 2	29°C	19°C	34°C 2016	13°C 2012	32%
May 3	29°C	19°C	34°C 2016	13°C 2008	30%
May 4	29°C	19°C	34°C 2016	12°C 2008	30%
May 5	29°C	19°C	35°C 2016	14°C 2008	28%
May 6	29°C	19°C	36°C 2016	14°C 2001	28%
May 7	29°C	19°C	36°C 2016	14°C 2003	27%
May 8	29°C	19°C	35°C 2016	13°C 2013	27%
May 9	29°C	19°C	36°C 2016	12°C 2003	28%
May 10	29°C	19°C	35°C 2016	12°C 2010	27%
May 11	29°C	19°C	34°C 2016	9°C 2010	27%
May 12	29°C	19°C	34°C 2016	9°C 2010	27%
May 13	29°C	19°C	34°C 2016	8°C 2010	25%
May 14	29°C	19°C	36°C 2016	10°C 2010	25%
May 15	29°C	19°C	37°C 2016	13°C 1994	25%
May 16	29°C	19°C	35°C 2016	13°C 1994	26%
May 17	29°C	18°C	33°C 2007	13°C 1998	26%
May 18	29°C	18°C	32°C 2005	12°C 1998	26%
May 19	29°C	18°C	34°C 2016	14°C 2000	25%
May 20	29°C	18°C	36°C 2016	11°C 2018	24%
May 21	29°C	18°C	34°C 2016	9°C 2018	23%
May 22	29°C	18°C	35°C 2016	10°C 1999	22%
May 23	29°C	18°C	32°C 2005	13°C 2018	21%
May 24	29°C	18°C	34°C 2016	12°C 2007	20%
May 25	29°C	18°C	36°C 2016	11°C 2007	20%
May 26	29°C	18°C	36°C 2016	11°C 2020	19%
May 27	29°C	18°C	34°C 2016	11°C 2020	19%
May 28	29°C	18°C	33°C 2016	12°C 2004	19%
May 29	29°C	18°C	32°C 2016	15°C 2002	18%
May 30	29°C	18°C	34°C 2016	13°C 2007	17%
May 31	29°C	18°C	34°C 2016	11°C 1999	15%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

May 1: sunrise 5:54 AM, sunset 5:26 PM
May 31: sunrise 6:03 AM, sunset 5:19 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.