Measurements:
°C
°F
CURRENT WEATHER
14:16
Istria
68°F
NE 6 mph
Feels like: 68°F
Precip: 0%
World Resorts Croatia Istria Weather

7 Day Weather Forecast

04.26
sun
DAY
66°F
E 4 mph
precip
0%
NIGHT
60°F
W 5 mph
precip
0%
04.27
mon
DAY
68°F
E 6 mph
precip
0%
NIGHT
58°F
W 4 mph
precip
0%
04.28
tue
DAY
58°F
W 7 mph
precip
100%
NIGHT
56°F
W 7 mph
precip
100%
04.29
wed
DAY
52°F
SW 19 mph
precip
100%
NIGHT
54°F
W 15 mph
precip
0%
04.30
thu
DAY
62°F
SW 1 mph
precip
0%
NIGHT
48°F
W 6 mph
precip
0%
05.01
fri
DAY
62°F
NW 11 mph
precip
0%
NIGHT
52°F
W 6 mph
precip
0%
05.02
sat
DAY
64°F
S 8 mph
precip
0%
NIGHT
56°F
SW 4 mph
precip
0%

Istria Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Istria was 13.6°F. The maximum and minimum values were 11.8°F and 15.3°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