Istria Weather in August
What's the weather like in Istria (Constanţa) in August 2025?
The climate in Istria during August can be summarized as warm, humid and reasonably dry.
August is in the summer in Istria and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 26.3°C 79.3°F |
|---|---|
| Nightly temperature | 17.4°C 63.2°F |
| Average temperature | 21.8°C 71.2°F |
| Daily sunshine | 8.6 hrs |
| Avg rainfall | 34 mm 1.4 ins |
| Rainy days | 6 days |
| Sea temperature | 24.6°C 76.4°F |
| Humidity | 73% |
| Windspeed | 13.7kph 9 mph |
On average August is the 5th wettest month of the year in Istria with around 34mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
August temperatures in Istria
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Istria in August 2025.
Other monthly averages
Best places to visit in August
Istria weather stats
| Hottest month: | July | 26.2°C 79.2°F |
|---|---|---|
| Driest month: | March | 26mm 1ins |
| Sunniest month: | August | 8.6hrs |
| Coldest month: | January | 3.1°C 37.6°F |
| Wettest month: | June | 43mm 1.7ins |
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