Measurements:
°C
°F
Cartagena
56°F
E 12 mph
Feels like: 52°F
Precip: 0%
World Resorts Spain Cartagena Weather

Cartagena Sea Water Temperature

Current Sea Water Temperature:
+59.8°F
Maximum Sea Water Temperature in March: 63.4°F
Minimum Sea Water Temperature in March: 56.4°F
Average water temperature in March: 59.7°F

Sea Water Temperature for the Last 10 Days:

March 30 59.8°F March 25 59.6°F
March 29 60.0°F March 24 60.0°F
March 28 59.6°F March 23 59.4°F
March 27 60.0°F March 22 59.8°F
March 26 59.8°F March 21 58.6°F

When is the Warmest Sea for Cartagena?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cartagena was 83.8°F. The maximum and minimum values were 82.8°F and 85.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Cartagena was 84.2°F. The maximum and minimum values were 82.4°F and 85.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cartagena was 81.6°F. The maximum and minimum values were 79.0°F and 84.4°F respectively.

Best Time to Visit Cartagena
The most sunny months:
July 28 days
August 27 days
June 27 days
The most warm months:
August 90.0 °F
July 89.0 °F
September 85.2 °F
Warmest sea temperature:
August 83.6 °F
July 80.9 °F
September 80.9 °F
The most cold months:
January 61.4 °F
February 62.0 °F
December 63.9 °F
The most rainy months:
January 2 days
November 2 days
March 2 days
The most windy months:
March 11 mph
February 11 mph
April 10 mph

Cartagena on the Weather Map

24 Hours Weather Forecast
Cartagena
Local time: 02:48
31 mar, tuesday
0300 56°F
E
12 mph
0600 58°F
SE
16 mph
0900 56°F
E
9 mph
1200 64°F
S
12 mph
1500 64°F
NW
10 mph
1800 62°F
NW
12 mph
2100 58°F
N
8 mph
01 apr, wednesday
0000 56°F
NW
8 mph