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Rio de Janeiro weather in March

Weather in Rio de Janeiro: March

Average day temperature: 86.8°F
Average night temperature: 75.0°F
Sea water temperature: 79.0°F
Number of sunny days: 14 days
Day length: 11.9 - 12.5 hours
Number of rainy days: 6 days
Precipitation totals: 3.5 in.

Air temperature in March, °F

Show year:
2025
2024
2023
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3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during March of 2025 was 88°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during March were 83.7°F and 74.2°F.

Sea water temperature in Rio de Janeiro in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
71
74
77
80
83
86

The average sea water temperature in March of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 79.2°F and 76.5°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
44%
34%
22%

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

Precipitation total in March, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
2.0
2.9
3.9
4.9
5.9
6.9
4.9
5.7
4.8
3.0
2.8
1.5
1.6
2.6
3.8
4.9
4.5
4.9
5.7
4.8
3.0
2.8
1.5
1.6
2.6
3.8
3.4
4.9
4.5

Precipitation total value in Rio de Janeiro in March is 3.4 in. Other months of the year show relatively similar values.

Wind speed in March, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.4
3.6
4.8
6.1
7.3
8.5
6.0
6.8
7.1
6.9
6.6
5.9
5.6
5.9
6.0
5.4
5.6
6.0
6.8
7.1
6.9
6.6
5.9
5.6
5.9
6.0
5.6
5.4
5.6

The average wind speed value in March is 5.6 mph It makes March one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.3
6.6
8.0
9.3
6.1
6.4
5.0
7.7
7.7
7.8
7.3
7.3
6.9
7.3
6.7
6.1
6.4
5.0
7.7
7.7
7.8
7.3
7.3
6.9
7.6
7.3
6.7

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 March is: 7.6.

Best time for vacation in Rio de Janeiro

Sunniest months:
July 21 days
May 19 days
August 19 days
Warmest months:
February 88.6 °F
January 87.4 °F
March 86.8 °F
Warmest sea temp:
February 79.7 °F
January 79.3 °F
March 79.0 °F
Coldest months:
August 79.4 °F
June 79.8 °F
July 80.1 °F
Rainiest months:
November 10 days
January 8 days
December 8 days
Windiest months:
October 7.3 mph
September 7.2 mph
August 6.9 mph

Rio de Janeiro on a weather map

Leaflet | Tiles © Esri
Places in Brazil:
Name
°F
+72°F
+81°F
+63°F
+82°F
+81°F
+63°F
+79°F
+64°F
+68°F
+70°F
+61°F
+61°F
+77°F
24 Hours Forecast
Rio de Janeiro
Local time: 06:28
April 15, tuesday
0900
77°F
E
4 mph
1200
79°F
N
7 mph
1500
77°F
N
6 mph
1800
73°F
NW
2 mph
2100
73°F
W
4 mph
April 16, wednesday
0000
72°F
SW
2 mph
0300
72°F
S
6 mph
0600
72°F
E
3 mph
Units of measurement: °C / °F