Croatia (Istria) · August
Best travel monthPeak seasonCroatia · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 10° (50°)5– (41–)15 (59) | 11° (52°)4– (39–)15 (59) | 14° (57°)8– (46–)19 (66) | 18° (64°)11– (52–)23 (73) | 22° (72°)15– (59–)27 (81) | 27° (81°)21– (70–)32 (90) | 30° (86°)25– (77–)35 (95) | 30° (86°)22– (72–)34 (93) | 25° (77°)18– (64–)30 (86) | 20° (68°)14– (57–)24 (75) | 15° (59°)9– (48–)20 (68) | 12° (54°)6– (43–)16 (61) |
Ø night, range from coldest to warmest nightØ nightrange | 2° (36°)-4– (25–)10 (50) | 3° (37°)-4– (25–)9 (48) | 5° (41°)-3– (27–)11 (52) | 8° (46°)1– (34–)14 (57) | 12° (54°)6– (43–)18 (64) | 17° (63°)11– (52–)21 (70) | 19° (66°)14– (57–)23 (73) | 19° (66°)13– (55–)24 (75) | 16° (61°)9– (48–)20 (68) | 12° (54°)5– (41–)17 (63) | 8° (46°)-1– (30–)14 (57) | 4° (39°)-3– (27–)11 (52) |
☀️Sunshine | 3h UV 3 | 4h UV 4 | 6h UV 5 | 7h UV 6 | 7h UV 7 | 9h UV 8 | 9h UV 8 | 8h UV 7 | 6h UV 6 | 5h UV 4 | 3h UV 3 | 3h UV 2 |
🌊Water Temp | 13° (55°) | 12° (54°) | 12° (54°) | 14° (57°) | 18° (64°) | 22° (72°) | 24° (75°) | 25° (77°) | 22° (72°) | 20° (68°) | 17° (63°) | 15° (59°) |
🌧Rain Days | 6d73mm (2.9") | 7d82mm (3.2") | 6d67mm (2.6") | 6d57mm (2.2") | 7d81mm (3.2") | 4d51mm (2.0") | 3d39mm (1.5") | 5d67mm (2.6") | 6d108mm (4.3") | 6d80mm (3.1") | 8d144mm (5.7") | 7d108mm (4.3") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Peak season — flights and hotels at their annual highest. Book early.
August is one of the best months to visit Croatia (Istria) — with 8 sunshine hours per day and pleasant highs of 30°C (86°F).
Daytime highs average 30°C (86°F), cooling to 19°C (66°F) at night (daily average: 25°C (77°F)). Peaks reach around 34°C (93°F), the coldest nights around 13°C (55°F). The sun shines an average of 8 hours per day; there are 5 rain days with 67 mm (2.6 in) total. Sea temperature is 25°C (77°F) — pleasantly warm for long swim sessions.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in August are ideal.
High season: 27 to 30°C (81 to 86°F), the amphitheatre in Pula as a festival backdrop, the rock coves of Rovinj fully occupied. The water reaches 23 to 24°C (73 to 75°F), and the Brijuni Islands are worth the early boat transfer.
Events & Festivals
- Velika Gospa (Assumption of Mary)15 August
A Croatian public holiday in the middle of peak season. Pilgrimages and processions in the hill towns, packed beaches on the coast — the day Istria counts its highest visitor numbers of the year.
Packing list for Croatia (Istria) in August
- Light summer clothes
- Thin cardigan for cool evenings
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is August a good time to visit Croatia (Istria)?
- Yes — August is one of the best months to visit Croatia (Istria) (Climate Score: 80/100). Pleasant temperatures (30°C (86°F)), good sunshine (8 h/day), and few rain days (5) make it one of the most recommended months.
- How warm is it in Croatia (Istria) in August?
- In August, Croatia (Istria) sees daily highs of 30°C (86°F). Nights cool to 19°C (66°F), with a daily average of 25°C (77°F). Peaks reach around 34°C (93°F), the coldest nights around 13°C (55°F).
- How much rain falls in Croatia (Istria) in August?
- In August, Croatia (Istria) receives an average of 67 mm (2.6 in) of rain over 5 rain days. The rain falls on few days, but heavily.
- How many sunshine hours does Croatia (Istria) get in August?
- Croatia (Istria) averages 8 sunshine hours per day in August — above the annual average.
- How warm is the water in Croatia (Istria) in August?
- Water temperature in Croatia (Istria) in August averages 25°C (77°F) — pleasantly warm for swim sessions.
