Go to Bovec in Slovenia
With mountains that linger in the blue sky, an emerald-green river Bovec offers picturesque scenes that are a must see for your bucket list.
Piran Weather in August
August in Piran averages 28°C (82°F) during the day and 22°C (72°F) at night. Quite a bit of rainfall is typical this month, with around 84 mm (3.3 in) on average. An umbrella is a good idea.
Rainfall in Piran in August
On average, there are about 11 days with rain during this month, averaging 84 mm (3.3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Piran in August
If you're visiting Piran in August, expect excellent temperatures with highs of 28°C (82°F) and overnight lows of 22°C (72°F). The month of August belongs to the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 22°C (72°F), which is comfortable for most people. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Piran in August
Expect sunny days throughout the month, with an estimated 299 hours of sunshine. This makes it a pleasant time to visit Piran.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
Piran Temperature in August
Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Chance of Rain
38%
Precipitation
84 mm (3.3 in)
Rainy days
11 days
Humidity
51% *
Sunshine
299 hours *
Percentage Sunshine
*
Piran Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Piran - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Piran typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Piran in August
Browse day-by-day weather records for Piran spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Piran historical weather extremes in August
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Piran.
- Piran recorded its highest August temperature of 39°C (102°F) on August 14, 2025.
- The lowest daytime temperature in August was 19°C (66°F), recorded on August 7, 1987.
- Nighttime temperatures dropped to 8°C (46°F) on August 8, 2005, marking the coldest August night on record.
Best Places in Slovenia in August
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Piran in August
Warm but pleasant conditions in Piran in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Piran in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Piran 3-Day Forecast
More climate data for Piran
Temperature Rainfall Sunshine Humidity
See the full Piran climate overview or explore weather in Slovenia.
Popular in August
Where to go in August - average daytime high across popular destinations.
Piran
28°C (82°F) Portorož28°C (82°F) Maribor
26°C (79°F) Ljubljana26°C (79°F) Bled
24°C (75°F) Bovec24°C (75°F) Bohinj24°C (75°F) Kranjska Gora23°C (73°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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