Measurements:
°C
°F
Isola
42°F
W 4 mph
Feels like: 38°F
Precip: 0%
World Resorts Slovenia Isola Weather August Weather in Isola

Isola Weather: August

Average Day Temperature: 88.8°F
Average Night Temperature: 68.3°F
Sea Water Temperature: 81.6°F
Number of Sunny Days: 23 days
Sunshine Hours: 13.3 - 14.7 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.5 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 103°F. The lowest night temperature was 60°F. The average values for day and night temperatures during August were 86.8°F и 68.1°F respectivly.

Isola Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Isola was 79.9°F. The maximum and minimum values were 77.0°F and 82.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Isola is 2.5 in. It makes august the least rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 5.2 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Isola in August is 11.1 hours.

Best Time to Visit Isola
The most sunny months:
August 23 days
July 22 days
June 20 days
The most warm months:
August 88.8 °F
July 88.6 °F
June 83.4 °F
Warmest sea temperature:
August 81.6 °F
July 81.3 °F
September 76.6 °F
The most cold months:
January 45.1 °F
December 47.5 °F
February 47.8 °F
The most rainy months:
May 7 days
November 6 days
September 6 days
The most windy months:
March 6 mph
February 6 mph
November 6 mph

Isola on the Weather Map

24 Hours Weather Forecast
Isola
Local time: 07:02
05 dec, friday
0900 44°F
W
4 mph
1200 50°F
SW
5 mph
1500 48°F
SW
6 mph
1800 44°F
SW
7 mph
2100 38°F
SW
6 mph
06 dec, saturday
0000 38°F
SW
6 mph
0300 42°F
SW
6 mph
0600 46°F
SW
6 mph