World Resorts Brazil Niteroi Weather

Niteroi weather in May

Weather in Niteroi: May

Average day temperature: 78.1°F
Average night temperature: 67.9°F
Sea water temperature: 74.9°F
Number of sunny days: 15 days
Day length: 10.8 - 11.3 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in May, °F

Show year:
2023
2022
2021

The highest day temperature during May of 2023 was 86°F. At the same time the lowest night temperature was 62°F. Day and night temperature averages during May were 78.6°F and 67.9°F.

Sea water temperature in Niteroi in May, °F

Show year:
2023
2022
2021

The average sea water temperature in May of 2023 was 74.9°F. The highest and lowest sea temperatures during the month were 77.2°F and 72.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Niteroi in May is 1.1 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 5.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 6.7.

Best time for vacation in Niteroi

Sunniest months:
July 20 days
August 18 days
September 16 days
Warmest months:
March 85.1 °F
January 84.6 °F
February 84.5 °F
Warmest sea temp:
January 80.2 °F
February 80.2 °F
March 80.0 °F
Coldest months:
June 77.2 °F
August 78.0 °F
May 78.1 °F
Rainiest months:
February 6 days
December 6 days
January 5 days
Windiest months:
October 6.7 mph
September 6.6 mph
August 6.6 mph

Niteroi on a weather map

Niteroi
+73°F
S 6 mph
Feels like: +77°F
Precip.: 0%
Places in Brazil:
Name
°F
+73°F
+73°F
+81°F
+66°F
+81°F
+82°F
+70°F
+70°F
+63°F
+68°F
+75°F
24 Hours Forecast
Niteroi
Local time: 07:06
May 04, saturday
0900
82°F
SW
2 mph
1200
88°F
NW
6 mph
1500
86°F
W
6 mph
1800
79°F
W
6 mph
2100
75°F
SW
4 mph
May 05, sunday
0000
73°F
S
4 mph
0300
72°F
SW
4 mph
0600
72°F
S
4 mph
Units of measurement: °C / °F