Current sea water temperature:
+57.4°F
| Minimum sea water temperature in January: | 61.5°F |
| Maximum sea water temperature in January: | 55.9°F |
| Average sea water temperature in January: | 58.8°F |
| more information | |
14 days
forecast
forecast
| Sintra |
monthly
weather
weather
| Sintra |
Sea water temperature for the last 10 days:
| January 1 | 57.4°F | December 27 | 57.9°F |
| December 31 | 57.2°F | December 26 | 58.1°F |
| December 30 | 57.2°F | December 25 | 58.6°F |
| December 29 | 57.4°F | December 24 | 59.0°F |
| December 28 | 58.1°F | December 23 | 59.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Sintra?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sintra was noticed in September, October and August.
Monthly Sea Temperatures in Sintra, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.6°F. The highest and lowest sea temperatures during the month were 66.0°F and 60.3°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 62.9°F. The highest and lowest sea temperatures during the month were 65.3°F and 60.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 64.7°F. The highest and lowest sea temperatures during the month were 66.7°F and 63.0°F.
current
weather
weather
| Sintra |
weather in
January
January
| Sintra |
Best time for vacation in Sintra
Sintra on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Sintra
Local time: 07:43
January 01, thursday
0900
52°F
NW
16 mph
16 mph
1200
54°F
NW
17 mph
17 mph
1500
57°F
NW
21 mph
21 mph
1800
59°F
NW
21 mph
21 mph
2100
59°F
NW
25 mph
25 mph
January 02, friday
0000
59°F
NW
27 mph
27 mph
0300
57°F
NW
25 mph
25 mph
0600
57°F
N
28 mph
28 mph
