Measurements:
°C
°F
CURRENT WEATHER
01:18
Istria
56°F
SE 1 mph
Feels like: 56°F
Precip: 100%
World Resorts Croatia Istria Weather

14 Day Weather Forecast

05.17
sun
DAY
62°F
NE 6 mph
precip
100%
NIGHT
54°F
W 6 mph
precip
0%
05.18
mon
DAY
66°F
NE 6 mph
precip
0%
NIGHT
56°F
W 7 mph
precip
0%
05.19
tue
DAY
68°F
E 6 mph
precip
0%
NIGHT
58°F
SW 5 mph
precip
0%
05.20
wed
DAY
70°F
E 5 mph
precip
0%
NIGHT
62°F
SW 6 mph
precip
0%
05.21
thu
DAY
70°F
NE 3 mph
precip
30%
NIGHT
62°F
SW 5 mph
precip
0%
05.22
fri
DAY
72°F
E 6 mph
precip
0%
NIGHT
64°F
SW 4 mph
precip
0%
05.23
sat
DAY
74°F
NE 6 mph
precip
0%
NIGHT
66°F
S 8 mph
precip
100%
05.24
sun
DAY
64°F
W 7 mph
precip
100%
NIGHT
64°F
SW 4 mph
precip
0%
05.25
mon
DAY
72°F
S 3 mph
precip
0%
NIGHT
64°F
SW 5 mph
precip
0%
05.26
tue
DAY
74°F
E 6 mph
precip
0%
NIGHT
64°F
SW 4 mph
precip
0%
05.27
wed
DAY
74°F
SE 8 mph
precip
0%
NIGHT
66°F
SW 4 mph
precip
0%
05.28
thu
DAY
76°F
SE 6 mph
precip
0%
NIGHT
68°F
NW 4 mph
precip
0%
05.29
fri
DAY
76°F
N 6 mph
precip
0%
NIGHT
68°F
NW 7 mph
precip
0%

Istria Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Istria was 63.2°F. The maximum and minimum values were 60.4°F and 65.0°F respectively.

Istria on the Weather Map

Best Time to Visit Istria
The most sunny months:
July 24 days
August 24 days
June 22 days
The most warm months:
August 85.7 °F
July 84.8 °F
June 79.4 °F
Warmest sea temperature:
August 81.2 °F
July 80.5 °F
September 76.2 °F
The most cold months:
January 47.2 °F
February 49.1 °F
December 50.6 °F
The most rainy months:
November 6 days
September 6 days
May 6 days
The most windy months:
February 8 mph
November 8 mph
March 7 mph
more details
Croatia Resorts:
NAME
F°
Baska Voda +54
Brela +54
Dubrovnik +56
Istria +56
Klek +52
Makarska +46
Omis +50
Porec +56
Pula +54
Rijeka +42
Rovinj +56
Split +50
Trogir +52
Zadar +58
Zagreb +48
all resorts
24 Hours Weather Forecast
Istria
Local time: 01:18
17 may, sunday
0300 52°F
W
6 mph
0600 52°F
W
5 mph
0900 60°F
NW
4 mph
1200 62°F
NE
6 mph
1500 66°F
NE
8 mph
1800 64°F
N
5 mph
2100 58°F
NW
3 mph
18 may, monday
0000 54°F
W
6 mph