World Resorts Croatia Opatija Weather

Opatija 14 Days Forecast

29.04
wed
Day
61°F
SW 6 mph
Precip.
100%
Night
48°F
SW 16 mph
Precip.
0%
30.04
thu
Day
54°F
SW 20 mph
Precip.
0%
Night
39°F
SW 9 mph
Precip.
0%
01.05
fri
Day
61°F
SW 7 mph
Precip.
0%
Night
45°F
SW 6 mph
Precip.
0%
02.05
sat
Day
66°F
NE 3 mph
Precip.
0%
Night
50°F
S 4 mph
Precip.
0%
03.05
sun
Day
66°F
NE 4 mph
Precip.
0%
Night
50°F
SW 2 mph
Precip.
0%
04.05
mon
Day
64°F
NE 5 mph
Precip.
0%
Night
48°F
SW 2 mph
Precip.
0%
05.05
tue
Day
63°F
NE 4 mph
Precip.
23%
Night
50°F
SW 2 mph
Precip.
0%
06.05
wed
Day
61°F
N 4 mph
Precip.
28%
Night
52°F
SW 3 mph
Precip.
22%
07.05
thu
Day
57°F
NW 2 mph
Precip.
100%
Night
57°F
NW 2 mph
Precip.
100%
08.05
fri
Day
61°F
N 2 mph
Precip.
100%
Night
59°F
NW 1 mph
Precip.
84%
09.05
sat
Day
70°F
NE 3 mph
Precip.
100%
Night
59°F
W 1 mph
Precip.
69%
10.05
sun
Day
64°F
N 2 mph
Precip.
100%
Night
48°F
SW 6 mph
Precip.
0%
11.05
mon
Day
63°F
N 3 mph
Precip.
100%
Night
59°F
N 1 mph
Precip.
100%
12.05
tue
Day
61°F
N 8 mph
Precip.
100%
Night
54°F
N 5 mph
Precip.
100%

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 56.7°F. The highest and lowest sea temperatures during the month were 61.0°F and 53.2°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 62.3°F. The highest and lowest sea temperatures during the month were 63.7°F and 60.6°F.

Air temperature in Opatija, °F

Precipitation total in Opatija, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Opatija

Sunniest months:
August 23 days
July 21 days
June 20 days
Warmest months:
August 79.9 °F
July 79.7 °F
June 75.6 °F
Warmest sea temp:
August 76.0 °F
July 75.7 °F
September 71.3 °F
Coldest months:
January 42.3 °F
February 44.2 °F
December 45.0 °F
Rainiest months:
May 7 days
November 6 days
July 6 days
Windiest months:
February 8.3 mph
March 7.9 mph
November 7.8 mph

Opatija on a weather map

Current weather
14:55
Opatija
+55°F
SW 11 mph
Feels like: +54°F
Precip.: 100%
Places in Croatia:
Name
°F
Brela
+63°F
Dubrovnik
+66°F
Zagreb
+46°F
Zadar
+64°F
Istria
+61°F
Klek
+72°F
Makarska
+66°F
Omis
+66°F
Porec
+61°F
Pula
+63°F
Rijeka
+55°F
Rovinj
+64°F
Split
+66°F
Trogir
+66°F
Hvar
+64°F
all places
24 Hours Forecast
Opatija
Local time: 14:55
April 29, wednesday
1500
55°F
SW
11 mph
1800
50°F
SW
11 mph
2100
46°F
SW
13 mph
April 30, thursday
0000
48°F
SW
16 mph
0300
43°F
SW
16 mph
0600
41°F
SW
14 mph
0900
48°F
SW
17 mph
1200
54°F
SW
20 mph
Units of measurement: °C / °F