World Resorts Croatia Istria Weather

Istria 14 Days Forecast

18.12
thu
Day
55°F
NE 2 mph
Precip.
75%
Night
52°F
E 1 mph
Precip.
68%
19.12
fri
Day
54°F
NW 2 mph
Precip.
0%
Night
54°F
S 3 mph
Precip.
71%
20.12
sat
Day
55°F
S 7 mph
Precip.
0%
Night
50°F
W 3 mph
Precip.
0%
21.12
sun
Day
54°F
SW 3 mph
Precip.
0%
Night
52°F
SW 4 mph
Precip.
0%
22.12
mon
Day
54°F
NW 11 mph
Precip.
100%
Night
54°F
N 10 mph
Precip.
100%
23.12
tue
Day
55°F
NW 8 mph
Precip.
82%
Night
52°F
SW 7 mph
Precip.
100%
24.12
wed
Day
52°F
NE 8 mph
Precip.
100%
Night
50°F
W 4 mph
Precip.
0%
25.12
thu
Day
54°F
W 7 mph
Precip.
83%
Night
55°F
NW 15 mph
Precip.
100%
26.12
fri
Day
55°F
W 15 mph
Precip.
100%
Night
54°F
W 15 mph
Precip.
100%
27.12
sat
Day
54°F
SW 10 mph
Precip.
100%
Night
46°F
W 5 mph
Precip.
0%
28.12
sun
Day
48°F
SW 4 mph
Precip.
0%
Night
43°F
W 5 mph
Precip.
0%
29.12
mon
Day
46°F
SW 4 mph
Precip.
0%
Night
43°F
W 5 mph
Precip.
0%
30.12
tue
Day
46°F
SW 3 mph
Precip.
0%
Night
41°F
SW 8 mph
Precip.
0%
31.12
wed
Day
41°F
SW 7 mph
Precip.
0%
Night
37°F
W 5 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 57.6°F. The highest and lowest sea temperatures during the month were 58.5°F and 56.5°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 52.7°F. The highest and lowest sea temperatures during the month were 53.8°F and 51.4°F.

Air temperature in Istria, °F

Precipitation total in Istria, in.

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

Best time for vacation in Istria

Sunniest months:
July 24 days
August 24 days
June 22 days
Warmest months:
August 82.1 °F
July 81.3 °F
June 76.5 °F
Warmest sea temp:
August 78.1 °F
July 77.5 °F
September 73.6 °F
Coldest months:
January 47.6 °F
February 49.0 °F
December 50.4 °F
Rainiest months:
November 6 days
September 6 days
May 6 days
Windiest months:
February 8.3 mph
November 8.1 mph
March 8.0 mph

Istria on a weather map

Current weather
09:16
Istria
+54°F
E 2 mph
Feels like: +54°F
Precip.: 86%
Places in Croatia:
Name
°F
Baska Voda
+57°F
Brela
+57°F
Dubrovnik
+59°F
Zagreb
+45°F
Zadar
+55°F
Istria
+54°F
Makarska
+52°F
Omis
+55°F
Porec
+54°F
Pula
+54°F
Rijeka
+46°F
Rovinj
+52°F
Split
+55°F
Trogir
+57°F
Hvar
+59°F
all places
24 Hours Forecast
Istria
Local time: 09:16
December 18, thursday
1200
55°F
NE
2 mph
1500
54°F
SE
2 mph
1800
52°F
NE
1 mph
2100
52°F
W
1 mph
December 19, friday
0000
52°F
E
1 mph
0300
52°F
W
2 mph
0600
52°F
N
2 mph
0900
52°F
W
1 mph
Units of measurement: °C / °F