August 15 is generally a great time to visit Turku. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 21°C weather. Expect a bustling atmosphere in Turku right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Turku
Currency
EUR
€ Euro
Language
Finnish
+1 more
Driving
Right side
Connect
Students and personnel from participatin...
Safety
Very High Safety
GPI: 1.439
Turku Weather Forecast for August 15
"Mild & Comfortable. Expect average highs of 20.8°C. 29% chance of rain."
What to Wear in Turku in August
Based on historical data for August 15, Turku typically experiences temperatures between 13°C and 20.8°C. We recommend packing light jacket, long pants to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Turku
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.8°C
Daytime Peak
Average Low
13°C
Nighttime Low
Feels Like
20.9°C
☀️ Feels accurate
Rain Chance
29%
Avg 1.9mm if it rains
Cloud Cover
59%
Overcast
Pressure
1012.6 hPa
Medium volatility
Turku Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 31 min to burn
Type III-IV
🟡 47 min to burn
Type V-VI
🟢 78 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.6°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Finland
Flight Traffic
High
95/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~18
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Turku
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:43
☀️ Noon
12:36
🌇 Sunset
20:30
⏱️ Daylight
15h 46m
Wind Speed
15.5 km/h
Gentle breeze
Sunshine
11.3 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Turku
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Turku
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Turku on August 15 averages 20.8°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Turku Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (August 15) in other destinations
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📍 Is Turku Worth Visiting on August 15?
Planning a trip to Turku on August 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 20.8°C with a 29% historical precipitation risk.
✈️ Travel Logistics: Approximately 18 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Finland, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 20.7°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.21m.
📊 Historical Extremes: The hottest August 15 recorded in the last 30 years saw temperatures hit 28.9°C in 2022, while the coldest dropped to 11.4°C in 2016.