Measurements:
°C
°F
Cartagena
60°F
SW 21 mph
Feels like: 56°F
Precip: 0%
World Resorts Spain Cartagena Weather

Cartagena Sea Water Temperature

Current Sea Water Temperature:
+64.4°F
Maximum Sea Water Temperature in December: 67.0°F
Minimum Sea Water Temperature in December: 60.0°F
Average water temperature in December: 63.2°F

Sea Water Temperature for the Last 10 Days:

December 13 64.4°F December 08 63.8°F
December 12 63.8°F December 07 64.0°F
December 11 63.8°F December 06 64.0°F
December 10 63.4°F December 05 64.2°F
December 09 63.4°F December 04 64.4°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 61.6 °F
February 61.9 °F
December 64.1 °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: 00:17
14 dec, sunday
0300 60°F
SW
19 mph
0600 60°F
SW
18 mph
0900 60°F
SW
15 mph
1200 64°F
W
13 mph
1500 60°F
SW
9 mph
1800 60°F
SW
11 mph
2100 60°F
SW
12 mph
15 dec, monday
0000 58°F
SW
7 mph