27.12
sat
sat
Day
45°F
SW 5 mph
Precip.
0%
0%
Night
41°F
S 2 mph
Precip.
0%
0%
28.12
sun
sun
Day
41°F
SW 9 mph
Precip.
0%
0%
Night
36°F
SW 6 mph
Precip.
0%
0%
29.12
mon
mon
Day
45°F
E 1 mph
Precip.
0%
0%
Night
36°F
SW 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
39°F
SW 7 mph
Precip.
0%
0%
Night
34°F
SW 7 mph
Precip.
0%
0%
31.12
wed
wed
Day
43°F
NE 2 mph
Precip.
0%
0%
Night
32°F
S 2 mph
Precip.
0%
0%
01.01
thu
thu
Day
43°F
NW 2 mph
Precip.
0%
0%
Night
28°F
SW 9 mph
Precip.
0%
0%
02.01
fri
fri
Day
41°F
N 3 mph
Precip.
0%
0%
Night
30°F
SW 7 mph
Precip.
0%
0%
03.01
sat
sat
Day
39°F
NW 2 mph
Precip.
0%
0%
Night
36°F
S 1 mph
Precip.
100%
100%
04.01
sun
sun
Day
37°F
NE 3 mph
Precip.
100%
100%
Night
32°F
SW 8 mph
Precip.
0%
0%
05.01
mon
mon
Day
41°F
E 2 mph
Precip.
0%
0%
Night
34°F
SW 2 mph
Precip.
0%
0%
06.01
tue
tue
Day
39°F
N 2 mph
Precip.
0%
0%
Night
36°F
SW 2 mph
Precip.
0%
0%
07.01
wed
wed
Day
39°F
N 2 mph
Precip.
0%
0%
Night
39°F
SE 1 mph
Precip.
77%
77%
08.01
thu
thu
Day
34°F
SW 14 mph
Precip.
100%
100%
Night
34°F
SW 9 mph
Precip.
0%
0%
09.01
fri
fri
Day
34°F
NW 2 mph
Precip.
0%
0%
Night
39°F
NE 12 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 55.4°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: 23:09
December 28, sunday
0000
41°F
S
2 mph
2 mph
0300
37°F
S
3 mph
3 mph
0600
37°F
SW
4 mph
4 mph
0900
37°F
SW
9 mph
9 mph
1200
41°F
SW
9 mph
9 mph
1500
45°F
SW
9 mph
9 mph
1800
37°F
SW
8 mph
8 mph
2100
37°F
SW
7 mph
7 mph
