Measurements:
°C
°F
CURRENT WEATHER
22:03
Opatija
52°F
SW 12 mph
Feels like: 48°F
Precip: 0%
World Resorts Croatia Opatija Weather

7 Day Weather Forecast

04.21
tue
DAY
60°F
W 6 mph
precip
0%
NIGHT
50°F
SW 11 mph
precip
0%
04.22
wed
DAY
58°F
SW 17 mph
precip
0%
NIGHT
40°F
SW 7 mph
precip
0%
04.23
thu
DAY
60°F
NE 3 mph
precip
0%
NIGHT
44°F
S 4 mph
precip
0%
04.24
fri
DAY
64°F
NE 3 mph
precip
0%
NIGHT
48°F
SW 4 mph
precip
0%
04.25
sat
DAY
64°F
NE 6 mph
precip
0%
NIGHT
48°F
S 2 mph
precip
0%
04.26
sun
DAY
64°F
NE 3 mph
precip
28%
NIGHT
52°F
SW 7 mph
precip
0%
04.27
mon
DAY
46°F
SW 9 mph
precip
100%
NIGHT
38°F
SW 11 mph
precip
0%

Opatija Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Opatija was 13.3°F. The maximum and minimum values were 11.8°F and 14.8°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 43.6 °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