World Resorts Croatia Opatija Weather

Opatija 14 Days Forecast

25.12
thu
Day
41°F
SW 12 mph
Precip.
0%
Night
36°F
SW 9 mph
Precip.
0%
26.12
fri
Day
41°F
SW 7 mph
Precip.
0%
Night
37°F
SW 7 mph
Precip.
0%
27.12
sat
Day
37°F
SW 6 mph
Precip.
0%
Night
36°F
S 5 mph
Precip.
0%
28.12
sun
Day
36°F
SW 11 mph
Precip.
0%
Night
30°F
SW 5 mph
Precip.
0%
29.12
mon
Day
37°F
NE 2 mph
Precip.
0%
Night
30°F
S 2 mph
Precip.
0%
30.12
tue
Day
41°F
NW 1 mph
Precip.
0%
Night
37°F
SW 2 mph
Precip.
72%
31.12
wed
Day
43°F
N 2 mph
Precip.
100%
Night
45°F
NE 6 mph
Precip.
100%
01.01
thu
Day
34°F
SW 21 mph
Precip.
100%
Night
27°F
SW 12 mph
Precip.
51%
02.01
fri
Day
28°F
SW 10 mph
Precip.
68%
Night
19°F
SW 6 mph
Precip.
0%
03.01
sat
Day
32°F
NE 3 mph
Precip.
0%
Night
19°F
SW 6 mph
Precip.
0%
04.01
sun
Day
30°F
N 2 mph
Precip.
0%
Night
21°F
SW 3 mph
Precip.
0%
05.01
mon
Day
37°F
NE 10 mph
Precip.
53%
Night
34°F
NE 9 mph
Precip.
100%
06.01
tue
Day
37°F
E 2 mph
Precip.
72%
Night
27°F
SW 6 mph
Precip.
0%
07.01
wed
Day
37°F
SW 2 mph
Precip.
0%
Night
30°F
SW 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 56.5°F. The highest and lowest sea temperatures during the month were 58.1°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 53.6°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
16:49
Opatija
+37°F
SW 11 mph
Feels like: +30°F
Precip.: 0%
Places in Croatia:
Name
°F
Baska Voda
+50°F
Brela
+50°F
Dubrovnik
+54°F
Zagreb
+36°F
Zadar
+43°F
Istria
+45°F
Makarska
+41°F
Omis
+46°F
Porec
+45°F
Pula
+45°F
Rijeka
+37°F
Rovinj
+45°F
Split
+46°F
Trogir
+48°F
Hvar
+54°F
all places
24 Hours Forecast
Opatija
Local time: 16:49
December 25, thursday
1800
37°F
SW
11 mph
2100
37°F
SW
11 mph
December 26, friday
0000
36°F
SW
9 mph
0300
30°F
SW
8 mph
0600
30°F
SW
9 mph
0900
32°F
SW
8 mph
1200
41°F
SW
7 mph
1500
43°F
SW
6 mph
Units of measurement: °C / °F