24.12
wed
wed
Day
41°F
SW 14 mph
Precip.
100%
100%
Night
36°F
SW 11 mph
Precip.
100%
100%
25.12
thu
thu
Day
43°F
SW 11 mph
Precip.
0%
0%
Night
37°F
SW 11 mph
Precip.
63%
63%
26.12
fri
fri
Day
43°F
SW 6 mph
Precip.
0%
0%
Night
36°F
SW 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
43°F
SW 7 mph
Precip.
0%
0%
Night
39°F
SW 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
39°F
SW 9 mph
Precip.
0%
0%
Night
30°F
SW 16 mph
Precip.
0%
0%
29.12
mon
mon
Day
36°F
NE 2 mph
Precip.
0%
0%
Night
30°F
SW 4 mph
Precip.
0%
0%
30.12
tue
tue
Day
39°F
NW 1 mph
Precip.
0%
0%
Night
32°F
SW 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
37°F
E 1 mph
Precip.
0%
0%
Night
34°F
S 2 mph
Precip.
0%
0%
01.01
thu
thu
Day
37°F
N 2 mph
Precip.
0%
0%
Night
37°F
E 2 mph
Precip.
100%
100%
02.01
fri
fri
Day
41°F
NE 12 mph
Precip.
100%
100%
Night
41°F
N 3 mph
Precip.
100%
100%
03.01
sat
sat
Day
36°F
N 4 mph
Precip.
100%
100%
Night
37°F
NE 10 mph
Precip.
100%
100%
04.01
sun
sun
Day
37°F
NE 8 mph
Precip.
100%
100%
Night
27°F
SW 7 mph
Precip.
100%
100%
05.01
mon
mon
Day
28°F
SW 14 mph
Precip.
0%
0%
Night
28°F
S 7 mph
Precip.
68%
68%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 56.4°F. The highest and lowest sea temperatures during the month were 57.9°F and 55.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 53.5°F. The highest and lowest sea temperatures during the month were 55.0°F and 52.0°F.
Air temperature in Rijeka, °F
Precipitation total in Rijeka, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rijeka
Rijeka on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Rijeka
Local time: 00:17
December 24, wednesday
0300
37°F
SW
11 mph
11 mph
0600
37°F
SW
11 mph
11 mph
0900
41°F
SW
12 mph
12 mph
1200
41°F
SW
14 mph
14 mph
1500
41°F
SW
13 mph
13 mph
1800
39°F
SW
12 mph
12 mph
2100
39°F
SW
12 mph
12 mph
December 25, thursday
0000
36°F
SW
11 mph
11 mph
