August 31 is generally a great time to visit Split. While there is a slight chance of rain (18%), showers are usually brief. Expect comfortable 28°C weather. As it's peak season for Split, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Split
Currency
EUR
€ Euro
Language
Croatian
Driving
Right side
Connect
Split has good 4+G and 5G speed from Tel...
Safety
Very High Safety
GPI: 1.44
Split Weather Forecast for August 31
"Warm & Sunny. Expect average highs of 27.8°C. 18% chance of rain."
What to Wear in Split in August
Based on historical data for August 31, Split typically experiences temperatures between 19.5°C and 27.8°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (18% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Split
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
27.8°C
Daytime Peak
Average Low
19.5°C
Nighttime Low
Feels Like
29.4°C
🔥 Minor difference
Rain Chance
18%
Avg 1.1mm if it rains
Cloud Cover
30%
Overcast
Pressure
1013.6 hPa
Low volatility
Split Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 84% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
19.8°C
Noticeable
Heat Index
29.4°C
Feels hotter
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Croatia
Flight Traffic
High
98/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~83
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Split
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:18
☀️ Noon
11:56
🌇 Sunset
18:34
⏱️ Daylight
13h 16m
Wind Speed
16.5 km/h
Gentle breeze
Sunshine
11.2 hrs
Direct Sun (Cloud-free)
Humidity
62%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Split
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Split
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Split on August 31 averages 27.8°C with a 18% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Split Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 24
29.7°C • 10% rain
Score
100
August 25
29.7°C • 10% rain
Score
100
August 26
29.6°C • 14% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Split Worth Visiting on August 31?
Planning a trip to Split on August 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.8°C with a 18% historical precipitation risk.
✈️ Travel Logistics: Approximately 83 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Croatia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 26°C (tropical bath). Wave conditions are generally lake-like with heights around 0.39m.
📊 Historical Extremes: The hottest August 31 recorded in the last 30 years saw temperatures hit 35.4°C in 2024, while the coldest dropped to 16.3°C in 2025.