Current sea water temperature:
+71.1°F
| Minimum sea water temperature in May: | 78.8°F |
| Maximum sea water temperature in May: | 69.1°F |
| Average sea water temperature in May: | 73.6°F |
| more information | |
14 days
forecast
forecast
| Guaratuba |
monthly
weather
weather
| Guaratuba |
Sea water temperature for the last 10 days:
| May 16 | 71.1°F | May 11 | 73.2°F |
| May 15 | 71.1°F | May 10 | 75.0°F |
| May 14 | 71.2°F | May 9 | 75.6°F |
| May 13 | 71.2°F | May 8 | 74.7°F |
| May 12 | 72.1°F | May 7 | 74.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Guaratuba?
Based on the data about daily sea water temperature for the last three years the warmest sea in Guaratuba was noticed in February, March and January.
Monthly Sea Temperatures in Guaratuba, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 82.9°F. The highest and lowest sea temperatures during the month were 84.9°F and 80.8°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 81.6°F. The highest and lowest sea temperatures during the month were 83.8°F and 80.2°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 80.9°F. The highest and lowest sea temperatures during the month were 82.0°F and 79.2°F.
current
weather
weather
| Guaratuba |
weather in
May
May
| Guaratuba |
Best time for vacation in Guaratuba
Guaratuba on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Guaratuba
Local time: 21:11
May 17, sunday
0000
64°F
SE
1 mph
1 mph
0300
64°F
E
2 mph
2 mph
0600
64°F
SE
2 mph
2 mph
0900
66°F
S
4 mph
4 mph
1200
70°F
SE
2 mph
2 mph
1500
77°F
S
4 mph
4 mph
1800
68°F
SE
4 mph
4 mph
2100
64°F
E
2 mph
2 mph
