Measurements:
°C
°F
Lagos
74°F
N 9 mph
Feels like: 80°F
Precip: 11%
World Resorts Portugal Lagos Weather

Lagos Sea Water Temperature

Current Sea Water Temperature:
+70.8°F
Maximum Sea Water Temperature in August: 78.4°F
Minimum Sea Water Temperature in August: 60.0°F
Average water temperature in August: 69.0°F

Sea Water Temperature for the Last 10 Days:

August 19 70.8°F August 14 66.6°F
August 18 70.2°F August 13 65.2°F
August 17 67.8°F August 12 65.0°F
August 16 67.4°F August 11 63.4°F
August 15 66.6°F August 10 63.0°F

When is the Warmest Sea for Lagos?

According to our data for the last three years for Lagos the highest average sea water temperature was in September, August and October.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Lagos was 65.5°F. The maximum and minimum values were 62.8°F and 69.0°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Lagos was 66.5°F. The maximum and minimum values were 63.0°F and 70.8°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Lagos was 68.8°F. The maximum and minimum values were 65.6°F and 71.4°F respectively.

Best Time to Visit Lagos
The most sunny months:
August 30 days
July 29 days
September 25 days
The most warm months:
August 83.3 °F
July 82.2 °F
September 79.9 °F
Warmest sea temperature:
September 69.7 °F
August 69.1 °F
October 69.0 °F
The most cold months:
January 60.8 °F
February 61.1 °F
March 63.1 °F
The most rainy months:
November 3 days
March 3 days
April 2 days
The most windy months:
March 11 mph
July 11 mph
February 11 mph

Lagos on the Weather Map

Portugal Resorts:
NAME
Albufeira +74
Algarve +76
Cascais +74
Ericeira +82
Faro +76
Funchal +80
Lagos +74
Lisbon +84
Madeira +80
Ponta Delgada +80
Portimao +82
Porto +82
Quarteira +74
Sao Miguel +80
Setubal +84
24 Hours Weather Forecast
Lagos
Local time: 15:55
19 aug, wednesday
1800 74°F
NE
8 mph
2100 72°F
NE
6 mph
20 aug, thursday
0000 72°F
N
4 mph
0300 72°F
NW
5 mph
0600 72°F
NE
6 mph
0900 72°F
SE
9 mph
1200 74°F
E
9 mph
1500 76°F
E
14 mph