19.12
fri
fri
Day
46°F
NE 2 mph
Precip.
100%
100%
Night
48°F
W 0 mph
Precip.
100%
100%
20.12
sat
sat
Day
55°F
SW 4 mph
Precip.
0%
0%
Night
45°F
SW 6 mph
Precip.
0%
0%
21.12
sun
sun
Day
48°F
SW 1 mph
Precip.
0%
0%
Night
46°F
W 2 mph
Precip.
100%
100%
22.12
mon
mon
Day
50°F
W 2 mph
Precip.
100%
100%
Night
50°F
SW 2 mph
Precip.
100%
100%
23.12
tue
tue
Day
48°F
SW 8 mph
Precip.
0%
0%
Night
41°F
SW 7 mph
Precip.
0%
0%
24.12
wed
wed
Day
46°F
SW 6 mph
Precip.
0%
0%
Night
37°F
SW 7 mph
Precip.
0%
0%
25.12
thu
thu
Day
45°F
SW 7 mph
Precip.
23%
23%
Night
37°F
SW 10 mph
Precip.
100%
100%
26.12
fri
fri
Day
39°F
SW 8 mph
Precip.
100%
100%
Night
36°F
SW 7 mph
Precip.
0%
0%
27.12
sat
sat
Day
37°F
SW 8 mph
Precip.
0%
0%
Night
36°F
SW 9 mph
Precip.
0%
0%
28.12
sun
sun
Day
34°F
SW 10 mph
Precip.
0%
0%
Night
27°F
SW 18 mph
Precip.
0%
0%
29.12
mon
mon
Day
28°F
SW 15 mph
Precip.
0%
0%
Night
23°F
SW 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
32°F
E 2 mph
Precip.
0%
0%
Night
28°F
SW 5 mph
Precip.
0%
0%
31.12
wed
wed
Day
36°F
SW 2 mph
Precip.
0%
0%
Night
28°F
SW 3 mph
Precip.
0%
0%
01.01
thu
thu
Day
34°F
N 2 mph
Precip.
0%
0%
Night
37°F
E 2 mph
Precip.
52%
52%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 56.5°F. The highest and lowest sea temperatures during the month were 57.9°F and 55.8°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: 21:19
December 20, saturday
0000
48°F
W
0 mph
0 mph
0300
46°F
SW
2 mph
2 mph
0600
45°F
SW
2 mph
2 mph
0900
46°F
SW
3 mph
3 mph
1200
55°F
SW
4 mph
4 mph
1500
54°F
SW
3 mph
3 mph
1800
48°F
SW
6 mph
6 mph
2100
48°F
SW
6 mph
6 mph
