Measurements:
°C
°F
CURRENT WEATHER
10:14
Opatija
86°F
SW 7 mph
Feels like: 88°F
Precip: 2%
World Resorts Croatia Opatija Weather

7 Day Weather Forecast

08.02
sun
DAY
94°F
SW 7 mph
precip
1%
NIGHT
74°F
S 5 mph
precip
1%
08.03
mon
DAY
90°F
NE 4 mph
precip
1%
NIGHT
72°F
SW 2 mph
precip
3%
08.04
tue
DAY
92°F
NE 4 mph
precip
1%
NIGHT
72°F
S 4 mph
precip
2%
08.05
wed
DAY
98°F
NE 2 mph
precip
1%
NIGHT
78°F
S 5 mph
precip
1%
08.06
thu
DAY
100°F
NW 1 mph
precip
0%
NIGHT
78°F
S 5 mph
precip
1%
08.07
fri
DAY
94°F
SW 6 mph
precip
1%
NIGHT
74°F
SW 7 mph
precip
5%
08.08
sat
DAY
90°F
W 5 mph
precip
2%
NIGHT
70°F
SW 7 mph
precip
29%

Opatija Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Opatija was 23.2°F. The maximum and minimum values were 22.1°F and 25.0°F respectively.

Opatija on the Weather Map

Best Time to Visit Opatija
The most sunny months:
August 23 days
July 21 days
June 19 days
The most warm months:
August 83.2 °F
July 83.0 °F
June 78.5 °F
Warmest sea temperature:
August 78.9 °F
July 78.6 °F
September 73.7 °F
The most cold months:
January 41.4 °F
February 43.6 °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