30.12
tue
tue
Day
41°F
SW 11 mph
Precip.
73%
73%
Night
32°F
W 13 mph
Precip.
0%
0%
31.12
wed
wed
Day
36°F
SW 2 mph
Precip.
0%
0%
Night
30°F
S 2 mph
Precip.
0%
0%
01.01
thu
thu
Day
36°F
N 3 mph
Precip.
60%
60%
Night
39°F
NE 9 mph
Precip.
100%
100%
02.01
fri
fri
Day
41°F
NE 4 mph
Precip.
100%
100%
Night
45°F
NE 14 mph
Precip.
100%
100%
03.01
sat
sat
Day
46°F
N 22 mph
Precip.
100%
100%
Night
48°F
NE 12 mph
Precip.
100%
100%
04.01
sun
sun
Day
46°F
NE 10 mph
Precip.
100%
100%
Night
48°F
N 7 mph
Precip.
100%
100%
05.01
mon
mon
Day
48°F
NE 7 mph
Precip.
100%
100%
Night
50°F
N 6 mph
Precip.
100%
100%
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: 21:00
December 31, wednesday
0000
32°F
W
13 mph
13 mph
0300
27°F
SW
8 mph
8 mph
0600
30°F
SW
6 mph
6 mph
0900
30°F
SW
5 mph
5 mph
1200
36°F
SW
2 mph
2 mph
1500
36°F
NE
2 mph
2 mph
1800
32°F
E
1 mph
1 mph
2100
32°F
SE
2 mph
2 mph
