Measurements:
°C
°F
Opatija
54°F
N 2 mph
Feels like: 54°F
Precip: 100%
World Resorts Croatia Opatija Weather

14 Day Weather Forecast

12.18
thu
DAY
48°F
NW 1 mph
precip
85%
NIGHT
46°F
N 2 mph
precip
78%
12.19
fri
DAY
46°F
N 2 mph
precip
82%
NIGHT
44°F
SW 2 mph
precip
0%
12.20
sat
DAY
50°F
SW 2 mph
precip
0%
NIGHT
42°F
SW 6 mph
precip
0%
12.21
sun
DAY
46°F
N 1 mph
precip
0%
NIGHT
44°F
W 1 mph
precip
67%
12.22
mon
DAY
50°F
W 2 mph
precip
65%
NIGHT
46°F
NW 6 mph
precip
100%
12.23
tue
DAY
52°F
NE 6 mph
precip
100%
NIGHT
44°F
N 4 mph
precip
100%
12.24
wed
DAY
48°F
N 3 mph
precip
100%
NIGHT
46°F
NW 2 mph
precip
100%
12.25
thu
DAY
52°F
N 3 mph
precip
100%
NIGHT
46°F
SW 6 mph
precip
25%
12.26
fri
DAY
48°F
SW 7 mph
precip
100%
NIGHT
42°F
SW 6 mph
precip
0%
12.27
sat
DAY
48°F
SW 6 mph
precip
0%
NIGHT
44°F
SW 8 mph
precip
28%
12.28
sun
DAY
44°F
SW 7 mph
precip
0%
NIGHT
40°F
SW 6 mph
precip
100%
12.29
mon
DAY
40°F
SW 4 mph
precip
100%
NIGHT
40°F
SW 3 mph
precip
100%
12.30
tue
DAY
42°F
W 4 mph
precip
100%
NIGHT
38°F
SW 7 mph
precip
100%
12.31
wed
DAY
40°F
SW 9 mph
precip
0%
NIGHT
38°F
SW 11 mph
precip
85%

Opatija Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Opatija was 57.4°F. The maximum and minimum values were 56.8°F and 59.0°F respectively.

Opatija on the Weather Map

Best Time to Visit Opatija
The most sunny months:
August 23 days
July 21 days
June 20 days
The most warm months:
August 83.2 °F
July 83.0 °F
June 78.4 °F
Warmest sea temperature:
August 78.9 °F
July 78.5 °F
September 73.7 °F
The most cold months:
January 41.5 °F
February 43.2 °F
December 44.2 °F
The most rainy months:
May 7 days
November 6 days
July 6 days
The most windy months:
February 8 mph
March 7 mph
November 7 mph
Croatia Resorts:
NAME
Baska Voda +58
Brela +58
Dubrovnik +60
Hvar +60
Istria +56
Makarska +48
Omis +60
Porec +56
Pula +56
Rijeka +54
Rovinj +54
Split +60
Trogir +60
Zadar +60
Zagreb +54
24 Hours Weather Forecast
Opatija
Local time: 13:38
18 dec, thursday
1500 54°F
N
2 mph
1800 52°F
N
2 mph
2100 50°F
NW
2 mph
19 dec, friday
0000 46°F
N
2 mph
0300 46°F
N
2 mph
0600 46°F
N
2 mph
0900 46°F
N
2 mph
1200 46°F
N
2 mph