During the day morning light rain, later morning overcast, in the afternoon initially overcast, later rain. The highest temperature 21 °C. Total rainfall 2.8 mm. At night heavy rain. The lowest temperature 20 °C. Total rainfall 9.8 mm.

Interactive map weather Brazil

GPS: -22.8833; -43.1036

altitude: 44 m
local time:

PLACES IN THE AREA

Weather forecast Niterói, Brazil extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Wednesday 05/20/2026
3 AM 2 AM	light rain	20 °C 23 °C	0.9 mm	1.6 m/s 6 km/h west-northwest	1019 hPa	91 %	18 °C	100 %	0%	100%	100%	100%
9 AM 8 AM	overcast	20 °C 22 °C	0.4 mm	1.1 m/s 4 km/h west	1021 hPa	87 %	17 °C	100 %	0%	99%	100%	89%
3 PM 2 PM	rain	21 °C 23 °C	1.5 mm	2.2 m/s 8 km/h south-southwest	1019 hPa	79 %	17 °C	100 %	0%	100%	100%	85%
9 PM 8 PM	rain	20 °C 23 °C	3.4 mm	0.7 m/s 3 km/h west	1022 hPa	88 %	18 °C	100 %	0%	100%	83%	0%
Thursday 05/21/2026
3 AM 2 AM	heavy rain	20 °C 23 °C	6.4 mm	1.1 m/s 4 km/h south-southeast	1021 hPa	93 %	18 °C	100 %	0%	100%	100%	0%
9 AM 8 AM	rain	20 °C 23 °C	1.7 mm	2.5 m/s 9 km/h south	1023 hPa	91 %	18 °C	100 %	0%	100%	99%	0%
3 PM 2 PM	overcast	21 °C 22 °C	0.3 mm	3.2 m/s 12 km/h south	1022 hPa	69 %	15 °C	100 %	0%	100%	100%	0%
9 PM 8 PM	overcast	20 °C 22 °C	0.1 mm	0.8 m/s 3 km/h north-northwest	1025 hPa	79 %	16 °C	100 %	0%	100%	33%	53%

Niterói, Brazil - information

State: Brazil

GPS coordinates: -22.8833; -43.1036

Time zone: America / Sao Paulo time difference in hours with time in US is -5 hours

Population: 456 456
Altitude: 44 m
The administrative part:

Rio de Janeiro, Rio de Janeiro
Niterói, Niterói

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Weather Niterói, Brazil. Weather forecast for Niterói.

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Data source

Weather forecast for Niterói is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Long-term statistical averages

	average	min.	max.
January	26.2 °C	23.3 °C	29.4 °C
February	26.5 °C	23.5 °C	30.2 °C
March	26.0 °C	23.3 °C	29.4 °C
April	24.5 °C	21.9 °C	27.8 °C
May	23.0 °C	20.4 °C	26.4 °C
June	21.5 °C	18.7 °C	25.2 °C
July	21.3 °C	18.4 °C	25.3 °C
August	21.8 °C	18.9 °C	25.6 °C
September	21.8 °C	19.2 °C	25.0 °C
October	22.8 °C	20.2 °C	26.0 °C
November	24.2 °C	21.4 °C	27.4 °C
December	25.2 °C	22.4 °C	28.6 °C

Statistical averages in charts for Niterói

Astronomical information Niterói

data are always in the local time

Sun and light

May 20, 2026

Sunrise:	Sunset:
6:20 am	5:17 pm
Noon:	Length of day:
11:48 am	10:57
Start of civil twilight*:	End of civil twilight*:
5:55 am	5:41 pm
Start of nautical twilight*:	End of nautical twilight*:
5:29 am	6:08 pm
Start of astronomical twilight*:	End of astronomical twilight*:
5:02 am	6:35 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
05/20/2026 10:22 am	05/20/2026 9:20 pm
Next new moon:	Next full moon:
06/14/2026	05/31/2026

Weather Niterói long-term weather forecast