Campos dos Goytacazes Weather in May

NASA POWER reanalysis for the half-degree grid cell around Campos dos Goytacazes, 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 26°C on May 31, and lows from 22°C to 20°C. Normal precipitation for the month is 53 mm over about 9 wet days.

May day by day

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

Normal low
Normal high
Record high
Record low

May at a glance

Average high: 27°C
Average low: 21°C
Precipitation: 53 mm
Record high: 36°CMay 11, 1986
Record low: 7°CMay 25, 2016
Daylight: 11 h 18 min to 10 h 54 min
Cloud cover: 54%
Humidity: 78%
Dew point: 19°C
Wind: 15.5 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	Record high	Record low	Chance wet
May 1	28°C	22°C	34°C 1975	17°C 1986	34%
May 2	27°C	22°C	33°C 1973	16°C 1982	32%
May 3	27°C	22°C	35°C 1979	18°C 1986	32%
May 4	27°C	22°C	35°C 1975	17°C 1978	32%
May 5	27°C	22°C	34°C 1989	18°C 1978	30%
May 6	27°C	22°C	33°C 2021	16°C 1985	30%
May 7	27°C	21°C	35°C 1989	16°C 1985	30%
May 8	27°C	21°C	34°C 1984	17°C 1982	30%
May 9	27°C	21°C	32°C 1976	16°C 1978	32%
May 10	27°C	21°C	34°C 1977	16°C 1982	33%
May 11	27°C	21°C	36°C 1986	17°C 1975	34%
May 12	27°C	21°C	35°C 1984	18°C 2021	36%
May 13	27°C	21°C	36°C 1984	8°C 2016	36%
May 14	26°C	21°C	34°C 1979	14°C 1973	37%
May 15	26°C	21°C	35°C 1984	18°C 1989	36%
May 16	26°C	21°C	35°C 1987	18°C 2021	36%
May 17	26°C	21°C	31°C 1981	17°C 1977	38%
May 18	26°C	21°C	33°C 1983	9°C 1976	38%
May 19	26°C	21°C	33°C 1986	8°C 2016	37%
May 20	26°C	21°C	33°C 1984	9°C 2016	37%
May 21	26°C	21°C	34°C 1979	14°C 2022	36%
May 22	26°C	21°C	33°C 1987	16°C 1975	37%
May 23	26°C	21°C	33°C 2016	15°C 1975	35%
May 24	26°C	21°C	33°C 1979	8°C 2016	33%
May 25	26°C	21°C	33°C 1984	7°C 2016	31%
May 26	26°C	21°C	32°C 1979	16°C 1987	30%
May 27	26°C	20°C	29°C 1979	13°C 1987	30%
May 28	26°C	20°C	35°C 1984	14°C 2020	30%
May 29	26°C	20°C	31°C 2023	16°C 2020	30%
May 30	26°C	20°C	34°C 1984	15°C 1975	29%
May 31	26°C	20°C	34°C 2016	15°C 1987	27%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 6:03 AM, sunset 5:21 PM
May 31: sunrise 6:16 AM, sunset 5:10 PM

Every day of May: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station BRM00083698, 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.