16.05
sat
sat
Day

63°F
W 3 mph
Precip.
0%
0%
Night

59°F
NW 8 mph
Precip.
0%
0%
17.05
sun
sun
Day

61°F
N 15 mph
Precip.
0%
0%
Night

55°F
N 16 mph
Precip.
0%
0%
18.05
mon
mon
Day

59°F
NE 12 mph
Precip.
0%
0%
Night

50°F
E 7 mph
Precip.
0%
0%
19.05
tue
tue
Day

57°F
E 11 mph
Precip.
0%
0%
Night

50°F
E 13 mph
Precip.
0%
0%
20.05
wed
wed
Day

57°F
NE 15 mph
Precip.
0%
0%
Night

52°F
NE 14 mph
Precip.
0%
0%
21.05
thu
thu
Day

55°F
NE 8 mph
Precip.
0%
0%
Night

52°F
N 7 mph
Precip.
0%
0%
22.05
fri
fri
Day

59°F
N 7 mph
Precip.
0%
0%
Night

57°F
W 7 mph
Precip.
100%
100%
sea water
temperature
temperature
| Rio Grande |
monthly
weather
weather
| Rio Grande |
current
weather
weather
| Rio Grande |
14 days
forecast
forecast
| Rio Grande |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 63.6°F. The highest and lowest sea temperatures during the month were 70.2°F and 57.2°F.
Air temperature in Rio Grande, °F
Precipitation total in Rio Grande, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rio Grande
Rio Grande on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio Grande
Local time: 22:08
May 17, sunday
0000

59°F
NW
8 mph
8 mph
0300

59°F
NW
9 mph
9 mph
0600

59°F
N
12 mph
12 mph
0900

59°F
N
12 mph
12 mph
1200

61°F
N
15 mph
15 mph
1500

61°F
N
18 mph
18 mph
1800

57°F
N
21 mph
21 mph
2100

55°F
N
17 mph
17 mph


























