Measurements:
°C
°F
Mostar
96°F
NE 12 mph
Feels like: 94°F
Precip: 2%
World Resorts Bosnia Herzegovina Mostar Weather

Mostar Sea Water Temperature

Current Sea Water Temperature:
+84.0°F
Maximum Sea Water Temperature in August: 86.6°F
Minimum Sea Water Temperature in August: 75.8°F
Average water temperature in August: 81.2°F

Sea Water Temperature for the Last 10 Days:

August 19 84.0°F August 14 85.6°F
August 18 84.4°F August 13 85.8°F
August 17 83.4°F August 12 85.2°F
August 16 83.6°F August 11 84.6°F
August 15 84.4°F August 10 85.2°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Mostar was 83.7°F. The maximum and minimum values were 81.0°F and 85.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Mostar was 80.7°F. The maximum and minimum values were 77.2°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 84.6 °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 +82
Mostar +96
Neum +96
Sarajevo +82
24 Hours Weather Forecast
Mostar
Local time: 14:40
19 aug, wednesday
1500 96°F
NE
12 mph
1800 92°F
NE
6 mph
2100 78°F
SW
3 mph
20 aug, thursday
0000 74°F
SW
4 mph
0300 72°F
SW
3 mph
0600 70°F
SW
4 mph
0900 88°F
N
3 mph
1200 98°F
NE
9 mph