Measurements:
°C
°F
CURRENT WEATHER
22:30
Opatija
42°F
SW 3 mph
Feels like: 40°F
Precip: 100%
World Resorts Croatia Opatija Weather

7 Day Weather Forecast

01.29
thu
DAY
50°F
NE 2 mph
precip
72%
NIGHT
42°F
SW 4 mph
precip
0%
01.30
fri
DAY
46°F
SW 1 mph
precip
0%
NIGHT
36°F
SW 5 mph
precip
0%
01.31
sat
DAY
46°F
SW 5 mph
precip
0%
NIGHT
38°F
SW 8 mph
precip
68%
02.01
sun
DAY
40°F
SW 11 mph
precip
75%
NIGHT
34°F
SW 9 mph
precip
0%
02.02
mon
DAY
42°F
SW 5 mph
precip
0%
NIGHT
30°F
SW 1 mph
precip
0%
02.03
tue
DAY
42°F
N 7 mph
precip
100%
NIGHT
44°F
N 7 mph
precip
100%
02.04
wed
DAY
50°F
N 12 mph
precip
100%
NIGHT
48°F
N 8 mph
precip
100%

Opatija Sea Water Temperature in January, °F

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Opatija was 12.2°F. The maximum and minimum values were 11.4°F and 13.3°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 41.4 °F
February 43.2 °F
December 44.5 °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
more details