18.03
wed
wed
Day
81°F
NW 6 mph
Precip.
0%
0%
Night
73°F
W 2 mph
Precip.
0%
0%
19.03
thu
thu
Day
79°F
N 8 mph
Precip.
0%
0%
Night
73°F
S 4 mph
Precip.
0%
0%
20.03
fri
fri
Day
79°F
N 6 mph
Precip.
0%
0%
Night
72°F
S 2 mph
Precip.
0%
0%
21.03
sat
sat
Day
81°F
NW 6 mph
Precip.
68%
68%
Night
73°F
SW 3 mph
Precip.
0%
0%
22.03
sun
sun
Day
79°F
N 7 mph
Precip.
100%
100%
Night
73°F
SW 2 mph
Precip.
0%
0%
23.03
mon
mon
Day
79°F
N 6 mph
Precip.
100%
100%
Night
72°F
SE 2 mph
Precip.
80%
80%
24.03
tue
tue
Day
82°F
NW 7 mph
Precip.
83%
83%
Night
75°F
S 4 mph
Precip.
0%
0%
25.03
wed
wed
Day
86°F
NW 4 mph
Precip.
0%
0%
Night
77°F
S 4 mph
Precip.
0%
0%
26.03
thu
thu
Day
86°F
NW 6 mph
Precip.
0%
0%
Night
77°F
E 5 mph
Precip.
0%
0%
27.03
fri
fri
Day
82°F
N 6 mph
Precip.
0%
0%
Night
75°F
SW 4 mph
Precip.
0%
0%
28.03
sat
sat
Day
84°F
NW 6 mph
Precip.
0%
0%
Night
75°F
SW 6 mph
Precip.
0%
0%
29.03
sun
sun
Day
86°F
NW 7 mph
Precip.
0%
0%
Night
75°F
SW 6 mph
Precip.
0%
0%
30.03
mon
mon
Day
86°F
W 7 mph
Precip.
0%
0%
Night
77°F
S 4 mph
Precip.
0%
0%
31.03
tue
tue
Day
88°F
NW 6 mph
Precip.
0%
0%
Night
79°F
W 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Rio de Janeiro |
monthly
weather
weather
| Rio de Janeiro |
current
weather
weather
| Rio de Janeiro |
7 days
forecast
forecast
| Rio de Janeiro |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 79.7°F. The highest and lowest sea temperatures during the month were 82.9°F and 77.9°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 76.9°F. The highest and lowest sea temperatures during the month were 80.6°F and 74.7°F.
Air temperature in Rio de Janeiro, °F
Precipitation total in Rio de Janeiro, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rio de Janeiro
Rio de Janeiro on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio de Janeiro
Local time: 10:59
March 18, wednesday
1200
81°F
NW
6 mph
6 mph
1500
81°F
NW
9 mph
9 mph
1800
77°F
NW
6 mph
6 mph
2100
75°F
W
4 mph
4 mph
March 19, thursday
0000
73°F
W
2 mph
2 mph
0300
73°F
W
2 mph
2 mph
0600
72°F
SW
3 mph
3 mph
0900
77°F
W
2 mph
2 mph
