World Resorts Brazil Niteroi Weather

Niteroi weather in December

Weather in Niteroi: December

Average day temperature: 81.6°F
Average night temperature: 73.8°F
Sea water temperature: 77.4°F
Number of sunny days: 4 days
Day length: 13.4 - 13.5 hours
Number of rainy days: 6 days
Precipitation totals: 2.6 in.

Air temperature in December, °F

Show year:
2024
2023
2022
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3
5
7
9
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13
15
17
19
21
23
25
27
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31
0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 89°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during December were 80.5°F and 73.6°F.

Sea water temperature in Niteroi in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
70
73
76
79
82
85

The average sea water temperature in December of 2024 was 76.7°F. The highest and lowest sea temperatures during the month were 79.2°F and 74.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
13%
39%
48%

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.9
1.3
1.8
2.2
2.7
3.1
1.9
2.1
1.0
1.6
1.5
1.9
2.4
2.3
2.6
1.9
2.1
1.0
1.6
1.5
1.9
2.4
2.3

Precipitation total value in Niteroi in December is 2.6 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.3
3.4
4.6
5.7
6.9
8.0
9.2
6.1
6.7
6.7
6.5
5.9
5.4
5.6
5.6
5.4
4.9
5.1
5.6
6.1
6.7
6.7
6.5
5.9
5.4
5.6
5.6
5.4
4.9
5.1

The average wind speed value in December is 5.6 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.7
4.1
5.4
6.8
8.1
9.5
10.8
6.3
4.7
7.8
7.9
7.9
7.0
6.9
6.5
7.3
7.0
6.6
6.0
6.3
4.7
7.8
7.9
7.9
7.0
6.9
6.5
7.3
7.0
6.6

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 December is: 6.0.

Best time for vacation in Niteroi

Sunniest months:
July 20 days
August 19 days
September 17 days
Warmest months:
February 84.9 °F
March 84.8 °F
January 84.2 °F
Warmest sea temp:
February 80.3 °F
January 80.0 °F
March 79.8 °F
Coldest months:
July 77.5 °F
June 77.6 °F
August 77.8 °F
Rainiest months:
December 6 days
February 5 days
January 5 days
Windiest months:
September 6.7 mph
October 6.7 mph
August 6.5 mph

Niteroi on a weather map

Leaflet | Tiles © Esri
Places in Brazil:
Name
°F
+72°F
+77°F
+68°F
+77°F
+77°F
+63°F
+81°F
+68°F
+70°F
+73°F
+66°F
+64°F
+75°F
24 Hours Forecast
Niteroi
Local time: 23:53
April 17, thursday
0000
70°F
SE
4 mph
0300
70°F
S
4 mph
0600
70°F
S
4 mph
0900
79°F
N
1 mph
1200
81°F
N
6 mph
1500
79°F
NW
7 mph
1800
73°F
NW
4 mph
2100
73°F
SW
2 mph
Units of measurement: °C / °F