Sežana Weather in August
August in Sežana brings high temperatures around 27°C (81°F) during the day, dropping to 18°C (64°F) at night, with quite a bit of rainfall expected, averaging around 121 mm (4.8 in) for the month.
Rainfall in Sežana in August
You can typically expect 13 days of rain this month, averaging around 121 mm (4.8 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Sežana in August
August in Sežana brings typical temperatures with highs around 27°C (81°F) and lows of 18°C (64°F). August is a notable month of the summer season. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Sežana in August
Expect sunny days throughout the month, with an estimated 260 hours of sunshine. This makes it a pleasant time to visit Sežana.
Average water temperature in August
The water temperature is 24°C (75°F), which most people find very comfortable. A good month for swimming and water sports.Should you favor a climate that's both dry and comfortably warm, July typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Sežana's climate page.
Sežana Temperature in August
Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Water Temperature
24°C (75°F) *
Chance of Rain
43%
Precipitation
121 mm (4.8 in)
Rainy days
13 days
Humidity
63% *
Sunshine
260 hours *
Percentage Sunshine
62% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sežana typically stay consistent throughout August, with daily highs averaging around 27°C (81°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 for Sežana in August
Browse day-by-day weather records for Sežana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sežana historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Sežana.
- On August 5, 2017, temperatures climbed to 37°C (99°F), marking the warmest August day on record.
- The coldest August day was on August 30, 2023, with a maximum of 19°C (66°F).
- Sežana registered its coldest August night on August 31, 2010, with temperatures dropping to 8°C (46°F).
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 →
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What to Wear in Sežana in August
Warm but pleasant conditions in Sežana 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. With water temperatures around 24°C (75°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sežana in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Sežana's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Sežana climate overview or explore weather in Slovenia.
