Measurements:
°C
°F
Opatija
56°F
SW 10 mph
Feels like: 52°F
Precip: 67%
World Resorts Croatia Opatija Weather

7 Day Weather Forecast

04.17
thu
DAY
60°F
N 7 mph
precip
100%
NIGHT
52°F
N 5 mph
precip
100%
04.18
fri
DAY
50°F
NE 2 mph
precip
100%
NIGHT
50°F
W 1 mph
precip
100%
04.19
sat
DAY
50°F
N 4 mph
precip
100%
NIGHT
52°F
W 1 mph
precip
0%
04.20
sun
DAY
52°F
N 4 mph
precip
85%
NIGHT
52°F
SW 2 mph
precip
0%
04.21
mon
DAY
60°F
N 2 mph
precip
78%
NIGHT
54°F
S 4 mph
precip
100%
04.22
tue
DAY
66°F
SW 4 mph
precip
84%
NIGHT
56°F
SW 5 mph
precip
22%
04.23
wed
DAY
62°F
N 3 mph
precip
100%
NIGHT
54°F
W 1 mph
precip
100%

Opatija Sea Water Temperature in April, °F

Select Year: 2025 2024 2023
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13
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25
27
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31
7
9
11
13
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21

The average sea surface temperature in April 2025 for Opatija was 12.7°F. The maximum and minimum values were 12.1°F and 13.3°F respectively.

Opatija on the Weather Map

Best Time to Visit Opatija
The most sunny months:
August 24 days
July 22 days
June 19 days
The most warm months:
August 83.5 °F
July 83.4 °F
June 78.3 °F
Warmest sea temperature:
August 79.1 °F
July 78.5 °F
September 73.6 °F
The most cold months:
January 41.5 °F
February 43.2 °F
December 44.2 °F
The most rainy months:
May 8 days
July 7 days
November 6 days
The most windy months:
February 8 mph
March 7 mph
November 7 mph