Measurements:
°C
°F
Mostar
46°F
S 7 mph
Feels like: 40°F
Precip: 89%
World Resorts Bosnia Herzegovina Mostar Weather

Mostar Sea Water Temperature

Current Sea Water Temperature:
+57.8°F
Maximum Sea Water Temperature in March: 59.8°F
Minimum Sea Water Temperature in March: 53.2°F
Average water temperature in March: 56.8°F

Sea Water Temperature for the Last 10 Days:

March 28 57.8°F March 23 56.8°F
March 27 58.0°F March 22 57.4°F
March 26 57.8°F March 21 57.4°F
March 25 57.2°F March 20 57.4°F
March 24 57.0°F March 19 58.4°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 +32
Mostar +46
Neum +48
Sarajevo +32
24 Hours Weather Forecast
Mostar
Local time: 08:45
29 mar, sunday
0900 46°F
S
7 mph
1200 50°F
S
9 mph
1500 50°F
SW
11 mph
1800 46°F
SW
9 mph
2100 36°F
SW
8 mph
30 mar, monday
0000 36°F
S
7 mph
0300 34°F
SW
7 mph
0600 30°F
S
7 mph