22.12
mon
mon
Day

52°F
SW 1 mph
Precip.
0%
0%
Night

48°F
SW 4 mph
Precip.
75%
75%
23.12
tue
tue
Day

48°F
SW 4 mph
Precip.
100%
100%
Night

45°F
SW 8 mph
Precip.
100%
100%
24.12
wed
wed
Day

41°F
SW 9 mph
Precip.
100%
100%
Night

37°F
SW 9 mph
Precip.
100%
100%
25.12
thu
thu
Day

43°F
SW 9 mph
Precip.
0%
0%
Night

39°F
SW 9 mph
Precip.
68%
68%
26.12
fri
fri
Day

41°F
SW 6 mph
Precip.
0%
0%
Night

36°F
SW 7 mph
Precip.
0%
0%
27.12
sat
sat
Day

37°F
SW 6 mph
Precip.
0%
0%
Night

34°F
SW 7 mph
Precip.
0%
0%
28.12
sun
sun
Day

41°F
SW 7 mph
Precip.
0%
0%
Night

36°F
SW 7 mph
Precip.
100%
100%
29.12
mon
mon
Day

37°F
SW 7 mph
Precip.
100%
100%
Night

32°F
SW 9 mph
Precip.
20%
20%
30.12
tue
tue
Day

36°F
SW 11 mph
Precip.
77%
77%
Night

28°F
SW 19 mph
Precip.
82%
82%
31.12
wed
wed
Day

32°F
SW 14 mph
Precip.
100%
100%
Night

28°F
SW 11 mph
Precip.
25%
25%
01.01
thu
thu
Day

34°F
SW 9 mph
Precip.
0%
0%
Night

34°F
SW 6 mph
Precip.
100%
100%
02.01
fri
fri
Day

41°F
SW 2 mph
Precip.
0%
0%
Night

36°F
SW 8 mph
Precip.
0%
0%
03.01
sat
sat
Day

37°F
NE 2 mph
Precip.
0%
0%
Night

37°F
S 1 mph
Precip.
100%
100%
04.01
sun
sun
Day

30°F
SW 17 mph
Precip.
24%
24%
Night

27°F
SW 7 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 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: 14:00
December 22, monday
1500

50°F
SW
2 mph
2 mph
1800

48°F
SW
1 mph
1 mph
2100

50°F
SW
2 mph
2 mph
December 23, tuesday
0000

48°F
SW
4 mph
4 mph
0300

45°F
SW
3 mph
3 mph
0600

45°F
SW
4 mph
4 mph
0900

50°F
W
2 mph
2 mph
1200

48°F
SW
4 mph
4 mph




























