Measurements:
°C
°F
Mahon
58°F
SE 21 mph
Feels like: 54°F
Precip: 100%
World Resorts Spain Mahon Weather

Mahon Sea Water Temperature

Current Sea Water Temperature:
+65.4°F
Maximum Sea Water Temperature in December: 68.2°F
Minimum Sea Water Temperature in December: 60.0°F
Average water temperature in December: 64.3°F

Sea Water Temperature for the Last 10 Days:

December 04 65.4°F November 29 66.2°F
December 03 65.4°F November 28 66.8°F
December 02 65.4°F November 27 66.8°F
December 01 65.6°F November 26 67.4°F
November 30 66.0°F November 25 68.0°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, September and July.

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 Mahon was 83.1°F. The maximum and minimum values were 80.4°F and 85.2°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.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Mahon was 83.7°F. The maximum and minimum values were 80.6°F and 85.6°F respectively.

Best Time to Visit Mahon
The most sunny months:
July 27 days
August 26 days
June 23 days
The most warm months:
August 84.4 °F
July 83.5 °F
September 79.4 °F
Warmest sea temperature:
August 84.1 °F
September 81.9 °F
July 81.8 °F
The most cold months:
January 56.9 °F
February 57.7 °F
March 58.4 °F
The most rainy months:
November 2 days
February 1 day
September 1 day
The most windy months:
November 15 mph
March 15 mph
January 15 mph

Mahon on the Weather Map

24 Hours Weather Forecast
Mahon
Local time: 06:14
05 dec, friday
0900 58°F
SE
17 mph
1200 56°F
S
21 mph
1500 58°F
S
12 mph
1800 56°F
E
5 mph
2100 56°F
E
7 mph
06 dec, saturday
0000 56°F
E
7 mph
0300 56°F
E
9 mph
0600 58°F
E
11 mph