21.12
sun
sun
Day
54°F
S 1 mph
Precip.
0%
0%
Night
34°F
SW 4 mph
Precip.
0%
0%
22.12
mon
mon
Day
54°F
NE 1 mph
Precip.
0%
0%
Night
36°F
SW 4 mph
Precip.
0%
0%
23.12
tue
tue
Day
45°F
W 2 mph
Precip.
100%
100%
Night
48°F
SW 4 mph
Precip.
100%
100%
24.12
wed
wed
Day
48°F
W 4 mph
Precip.
100%
100%
Night
48°F
W 3 mph
Precip.
77%
77%
25.12
thu
thu
Day
52°F
S 3 mph
Precip.
0%
0%
Night
45°F
SW 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
48°F
SW 7 mph
Precip.
0%
0%
Night
41°F
SW 8 mph
Precip.
0%
0%
27.12
sat
sat
Day
45°F
SW 12 mph
Precip.
0%
0%
Night
34°F
SW 10 mph
Precip.
0%
0%
28.12
sun
sun
Day
39°F
S 11 mph
Precip.
84%
84%
Night
21°F
S 8 mph
Precip.
0%
0%
29.12
mon
mon
Day
41°F
NE 5 mph
Precip.
0%
0%
Night
27°F
S 6 mph
Precip.
46%
46%
30.12
tue
tue
Day
41°F
S 3 mph
Precip.
0%
0%
Night
27°F
SW 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
39°F
SW 7 mph
Precip.
70%
70%
Night
18°F
SW 9 mph
Precip.
0%
0%
01.01
thu
thu
Day
30°F
S 13 mph
Precip.
0%
0%
Night
14°F
SW 7 mph
Precip.
0%
0%
02.01
fri
fri
Day
41°F
S 4 mph
Precip.
0%
0%
Night
25°F
SW 5 mph
Precip.
0%
0%
03.01
sat
sat
Day
39°F
N 3 mph
Precip.
0%
0%
Night
27°F
NW 1 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 61.5°F. The highest and lowest sea temperatures during the month were 63.1°F and 59.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 58.1°F. The highest and lowest sea temperatures during the month were 59.4°F and 56.3°F.
Air temperature in Mostar, °F
Precipitation total in Mostar, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mostar
Mostar on a weather map
24 Hours Forecast
Mostar
Local time: 09:52
December 21, sunday
1200
54°F
S
1 mph
1 mph
1500
52°F
SE
1 mph
1 mph
1800
41°F
SW
4 mph
4 mph
2100
36°F
SW
4 mph
4 mph
December 22, monday
0000
34°F
SW
4 mph
4 mph
0300
34°F
SW
4 mph
4 mph
0600
34°F
SW
4 mph
4 mph
0900
45°F
SW
3 mph
3 mph
