World Resorts Croatia Opatija Weather

Opatija 14 Days Forecast

21.12
sun
Day
46°F
SW 2 mph
Precip.
0%
Night
45°F
SW 3 mph
Precip.
0%
22.12
mon
Day
50°F
SW 1 mph
Precip.
0%
Night
48°F
SW 2 mph
Precip.
64%
23.12
tue
Day
52°F
SW 4 mph
Precip.
70%
Night
41°F
SW 9 mph
Precip.
0%
24.12
wed
Day
45°F
SW 11 mph
Precip.
100%
Night
39°F
SW 12 mph
Precip.
76%
25.12
thu
Day
43°F
SW 15 mph
Precip.
69%
Night
36°F
SW 17 mph
Precip.
40%
26.12
fri
Day
39°F
SW 14 mph
Precip.
76%
Night
32°F
SW 15 mph
Precip.
57%
27.12
sat
Day
36°F
SW 13 mph
Precip.
0%
Night
28°F
SW 11 mph
Precip.
0%
28.12
sun
Day
36°F
SW 6 mph
Precip.
0%
Night
27°F
SW 17 mph
Precip.
0%
29.12
mon
Day
28°F
SW 16 mph
Precip.
0%
Night
25°F
SW 17 mph
Precip.
0%
30.12
tue
Day
28°F
S 11 mph
Precip.
0%
Night
25°F
SW 3 mph
Precip.
0%
31.12
wed
Day
36°F
NW 2 mph
Precip.
0%
Night
28°F
SW 2 mph
Precip.
0%
01.01
thu
Day
36°F
NE 2 mph
Precip.
27%
Night
30°F
NW 2 mph
Precip.
0%
02.01
fri
Day
27°F
SW 16 mph
Precip.
0%
Night
23°F
SW 6 mph
Precip.
0%
03.01
sat
Day
34°F
NE 2 mph
Precip.
0%
Night
32°F
S 3 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 56.6°F. The highest and lowest sea temperatures during the month were 58.1°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 53.6°F. The highest and lowest sea temperatures during the month were 55.2°F and 52.0°F.

Air temperature in Opatija, °F

Precipitation total in Opatija, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Opatija

Sunniest months:
August 23 days
July 21 days
June 20 days
Warmest months:
August 79.9 °F
July 79.7 °F
June 75.6 °F
Warmest sea temp:
August 76.0 °F
July 75.7 °F
September 71.3 °F
Coldest months:
January 42.3 °F
February 43.9 °F
December 44.8 °F
Rainiest months:
May 7 days
November 6 days
July 6 days
Windiest months:
February 8.6 mph
March 8.0 mph
November 7.8 mph

Opatija on a weather map

Current weather
01:27
Opatija
+43°F
SW 5 mph
Feels like: +41°F
Precip.: 0%
Places in Croatia:
Name
°F
Baska Voda
+54°F
Brela
+54°F
Dubrovnik
+54°F
Zagreb
+45°F
Zadar
+52°F
Istria
+50°F
Makarska
+45°F
Omis
+48°F
Porec
+50°F
Pula
+50°F
Rijeka
+43°F
Rovinj
+52°F
Split
+48°F
Trogir
+52°F
Hvar
+57°F
all places
24 Hours Forecast
Opatija
Local time: 01:27
December 21, sunday
0300
41°F
SW
5 mph
0600
41°F
SW
5 mph
0900
41°F
SW
5 mph
1200
46°F
SW
2 mph
1500
52°F
SW
1 mph
1800
46°F
SW
4 mph
2100
48°F
SW
4 mph
December 22, monday
0000
45°F
SW
3 mph
Units of measurement: °C / °F