Weather in Istria for August 2025
Moderate Thunderstorm Risk Warning - See hour by hour.
The forecast for the first days of August 2025 in Istria predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Istria at the beginning of August is 26.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27.9 °C by the end of August.
The climate of Istria in August is notably wet, with an average of 11 rainy days, and a total of 151.9 mm of precipitation.
Is August a good time to visit Istria? check out the best time to travel to Istria page.
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Istria Weather August
What’s the Weather Like in Istria This August?
Temperatures trend during August in Istria
August weather in Istria day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 26° /21° | 0.3 mm | 2.1 | |
| 2 Aug. |  Moderate rain | 25° /19° | 13.1 mm | 1.5 | |
| 3 Aug. | Moderate rain | 23° /19° | 6.6 mm | 1 | |
| 4 Aug. |  Sunny | 26° /20° | 0 mm | 6 | |
| 5 Aug. | Sunny | 28° /21° | 0 mm | 6 | |
| 6 Aug. | Sunny | 28° /22° | 0 mm | 6 | |
| 7 Aug. | Sunny | 29° /23° | 0 mm | 7 | |
| 8 Aug. | Sunny | 30° /23° | 0 mm | 7 | |
| 9 Aug. | Sunny | 32° /25° | 0 mm | 7 | |
| 10 Aug. | Sunny | 31° /25° | 0 mm | 7 | |
| 11 Aug. | Sunny | 32° /26° | 0 mm | 7 | |
| 12 Aug. | Sunny | 31° /25° | 0 mm | 7 | |
| 13 Aug. | Patchy rain possible | 31° /24° | 0.8 mm | 6 | |
| 14 Aug. | Sunny | 30° /23° | 0 mm | 8 | |
| 15 Aug. | Sunny | 30° /23° | 0 mm | 8 | |
| 16 Aug. |  Partly cloudy | 31° /24° | 0 mm | 8 | |
| 17 Aug. | Sunny | 30° /24° | 0 mm | 8 | |
| 18 Aug. | Sunny | 29° /22° | 1.8 mm | 7 | |
| 19 Aug. | Sunny | 27° /22° | 4.9 mm | 7 | |
| 20 Aug. | Sunny | 29° /22° | 1.4 mm | 7 | |
| 21 Aug. | Sunny | 30° /23° | 0.7 mm | 7 | |
| 22 Aug. | Sunny | 30° /24° | 0 mm | 8 | |
| 23 Aug. | Partly cloudy | 30° /24° | 0 mm | 8 | |
| 24 Aug. | Sunny | 31° /24° | 0 mm | 8 | |
| 25 Aug. | Sunny | 30° /24° | 0 mm | 8 | |
| 26 Aug. | Sunny | 29° /24° | 0.1 mm | 7 | |
| 27 Aug. | Sunny | 29° /23° | 0 mm | 7 | |
| 28 Aug. |  Patchy light rain with thunder | 29° /22° | 14.4 mm | 7 | |
| 29 Aug. |  Torrential rain shower | 26° /21° | 25.5 mm | 7 | |
| 30 Aug. | Torrential rain shower | 25° /21° | 33.2 mm | 7 | |
| 31 Aug. | Patchy rain possible | 27° /21° | 0.2 mm | 7 | |
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Istria in August - FAQ
What to pack to Istria in August?
As you prepare for your trip to Istria in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Istria, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
August rainfall patterns in Istria
UV exposure in Istria during August
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Where is Istria?Get accurate weather forecasts for Istria, located at latitude 44.868 and longitude 13.848. Stay updated with localized weather information tailored for Istria.