Measurements:
°C
°F
Mostar
56°F
SW 9 mph
Feels like: 52°F
Precip: 71%
World Resorts Bosnia Herzegovina Mostar Weather

Mostar Sea Water Temperature

Current Sea Water Temperature:
+61.8°F
Maximum Sea Water Temperature in April: 67.4°F
Minimum Sea Water Temperature in April: 55.4°F
Average water temperature in April: 59.8°F

Sea Water Temperature for the Last 10 Days:

April 21 61.8°F April 16 59.6°F
April 20 61.2°F April 15 59.0°F
April 19 62.2°F April 14 59.8°F
April 18 62.4°F April 13 60.6°F
April 17 60.6°F April 12 60.0°F

When is the Warmest Sea for Mostar?

According to our data for the last three years for Mostar 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 Mostar was 79.0°F. The maximum and minimum values were 75.8°F and 82.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Mostar was 80.3°F. The maximum and minimum values were 77.4°F and 84.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Mostar was 76.7°F. The maximum and minimum values were 74.8°F and 77.8°F respectively.

Best Time to Visit Mostar
The most sunny months:
July 26 days
August 25 days
June 22 days
The most warm months:
August 91.9 °F
July 91.5 °F
June 84.4 °F
Warmest sea temperature:
August 81.1 °F
July 79.9 °F
September 77.2 °F
The most cold months:
January 42.0 °F
December 45.5 °F
February 46.7 °F
The most rainy months:
November 7 days
March 6 days
December 6 days
The most windy months:
March 6 mph
February 6 mph
January 6 mph

Mostar on the Weather Map

Bosnia Herzegovina Resorts:
NAME
Jahorina +44
Mostar +56
Neum +62
Sarajevo +44
24 Hours Weather Forecast
Mostar
Local time: 10:54
21 apr, tuesday
1200 56°F
SW
9 mph
1500 52°F
SW
6 mph
1800 50°F
SW
6 mph
2100 48°F
SW
6 mph
22 apr, wednesday
0000 48°F
SW
6 mph
0300 46°F
SW
8 mph
0600 46°F
SW
8 mph
0900 52°F
SW
8 mph