Weather in Mostar: December
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Average day temperature: | 46.1°F |
| Average night temperature: | 35.4°F | |
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Sea water temperature: | 61.8°F |
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Number of sunny days: | 15 days |
| Day length: | 9.0 - 9.2 hours | |
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Number of rainy days: | 6 days |
| Precipitation totals: | 4.9 in. | |
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forecast
| Mostar |
temperature
| Mostar |
Air temperature in December, °F
The highest day temperature during December of 2025 was 56°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during December were 51.9°F and 38.8°F.
Sea water temperature in Mostar in December, °F
The average sea water temperature in December of 2025 was 61.4°F. The highest and lowest sea temperatures during the month were 63.1°F and 59.0°F.
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Mostar in December is 5.9 in. Other months of the year show relatively similar values.
The average wind speed value in December is 5.3 mph The wind's strength is relatively same during the whole year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.8.
Best time for vacation in Mostar
Mostar on a weather map
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