World Resorts Croatia Opatija Weather

Opatija 7 Days Forecast

16.05
sat
Day
52°F
S 2 mph
Precip.
100%
Night
43°F
S 3 mph
Precip.
88%
17.05
sun
Day
63°F
NE 4 mph
Precip.
0%
Night
46°F
S 4 mph
Precip.
0%
18.05
mon
Day
64°F
NE 4 mph
Precip.
89%
Night
48°F
SW 3 mph
Precip.
0%
19.05
tue
Day
64°F
NE 4 mph
Precip.
75%
Night
52°F
S 6 mph
Precip.
0%
20.05
wed
Day
70°F
W 2 mph
Precip.
0%
Night
54°F
SW 6 mph
Precip.
0%
21.05
thu
Day
68°F
E 1 mph
Precip.
100%
Night
54°F
SW 6 mph
Precip.
0%
22.05
fri
Day
70°F
N 1 mph
Precip.
0%
Night
55°F
SW 6 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 60.8°F. The highest and lowest sea temperatures during the month were 62.6°F and 58.6°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
23:53
Opatija
+43°F
S 3 mph
Feels like: +41°F
Precip.: 88%
Places in Croatia:
Name
°F
Baska Voda
+54°F
Brela
+54°F
Dubrovnik
+55°F
Zagreb
+48°F
Zadar
+57°F
Istria
+55°F
Klek
+52°F
Makarska
+45°F
Omis
+50°F
Porec
+55°F
Pula
+54°F
Rijeka
+43°F
Rovinj
+55°F
Split
+50°F
Trogir
+52°F
all places
24 Hours Forecast
Opatija
Local time: 23:53
May 17, sunday
0000
43°F
S
3 mph
0300
43°F
S
4 mph
0600
41°F
SW
5 mph
0900
57°F
W
1 mph
1200
63°F
NE
4 mph
1500
61°F
NE
4 mph
1800
61°F
N
2 mph
2100
48°F
SW
2 mph
Units of measurement: °C / °F