Current Sea Water Temperature:
+86.8°F
| Maximum Sea Water Temperature in August: | 88.6°F |
| Minimum Sea Water Temperature in August: | 79.4°F |
| Average water temperature in August: | 83.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 20 | 86.8°F | August 15 | 88.6°F |
| August 19 | 88.0°F | August 14 | 87.8°F |
| August 18 | 88.2°F | August 13 | 87.6°F |
| August 17 | 88.2°F | August 12 | 88.0°F |
| August 16 | 88.4°F | August 11 | 87.4°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
The average sea surface temperature in August 2026 for Cartagena was 87.4°F. The maximum and minimum values were 86.0°F and 88.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Cartagena was 84.7°F. The maximum and minimum values were 81.2°F and 87.6°F respectively.
Sea Water Temperature in September
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.
Spain Resorts:
NAME
F°
| Alicante |  |
+80 |
| Barcelona |  |
+82 |
| Calella | |
+82 |
| Costa Brava |  |
+78 |
| Eivissa | |
+80 |
| Gran Canaria |  |
+68 |
| Lloret de Mar | |
+74 |
| Madrid | |
+72 |
| Malaga | |
+76 |
| Marbella | |
+74 |
| Palma de Mallorca | |
+78 |
| Salou | |
+82 |
| Tenerife | |
+66 |
| Torrevieja | |
+80 |
| Valencia | |
+80 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cartagena
Local time: 02:59
21 aug, friday
| 0300 |  |
82°F | S 4 mph |
| 0600 |  |
82°F | NE 4 mph |
| 0900 | |
84°F | S 1 mph |
| 1200 |  |
86°F | N 6 mph |
| 1500 | |
86°F | N 12 mph |
| 1800 | |
84°F | NE 13 mph |
| 2100 | |
84°F | NE 12 mph |
22 aug, saturday
| 0000 | |
84°F | E 2 mph |