Measurements:
°C
°F
Mahon
84°F
NE 13 mph
Feels like: 92°F
Precip: 9%
World Resorts Spain Mahon Weather

Mahon Sea Water Temperature

Current Sea Water Temperature:
+87.2°F
Maximum Sea Water Temperature in September: 87.2°F
Minimum Sea Water Temperature in September: 77.2°F
Average water temperature in September: 82.1°F

Sea Water Temperature for the Last 10 Days:

September 08 87.2°F September 03 86.6°F
September 07 87.2°F September 02 86.4°F
September 06 86.8°F September 01 86.8°F
September 05 86.8°F August 31 86.6°F
September 04 86.6°F August 30 86.4°F

When is the Warmest Sea for Mahon?

According to our data for the last three years for Mahon 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Mahon was 88.2°F. The maximum and minimum values were 86.4°F and 89.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Mahon was 84.6°F. The maximum and minimum values were 80.4°F and 87.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Mahon was 81.9°F. The maximum and minimum values were 79.6°F and 83.8°F respectively.

Best Time to Visit Mahon
The most sunny months:
July 28 days
August 26 days
June 24 days
The most warm months:
August 84.8 °F
July 83.8 °F
September 79.4 °F
Warmest sea temperature:
August 84.7 °F
July 82.2 °F
September 81.9 °F
The most cold months:
January 56.8 °F
February 57.8 °F
March 58.2 °F
The most rainy months:
November 2 days
January 2 days
September 1 day
The most windy months:
November 15 mph
January 15 mph
March 15 mph

Mahon on the Weather Map

24 Hours Weather Forecast
Mahon
Local time: 23:27
09 sep, wednesday
0000 84°F
NE
13 mph
0300 84°F
E
6 mph
0600 84°F
N
7 mph
0900 84°F
NE
3 mph
1200 80°F
SW
24 mph
1500 80°F
SW
30 mph
1800 76°F
S
29 mph
2100 78°F
SW
24 mph