July 25 is statistically one of the best days of the year in Helsinki. With minimal rain risk (14%) and pleasant highs of 21°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Helsinki right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Helsinki
Currency
EUR
€ Euro
Language
Finnish
+1 more
Driving
Right side
Connect
Much of Helsinki is blanketed withWi-Fi ...
Safety
Very High Safety
GPI: 1.439
Helsinki Weather Forecast for July 25
"Mild & Comfortable. Expect average highs of 20.9°C. 14% chance of rain."
What to Wear in Helsinki in July
Based on historical data for July 25, Helsinki typically experiences temperatures between 16.3°C and 20.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Helsinki
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
20.9°C
Daytime Peak
Average Low
16.3°C
Nighttime Low
Feels Like
21.1°C
☀️ Feels accurate
Rain Chance
14%
Avg 0.8mm if it rains
Cloud Cover
54%
Overcast
Pressure
1011.6 hPa
Medium volatility
Helsinki Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 93% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
03:00 - 10:00
16:00 - 21:00
Type I-II
🔴 23 min to burn
Type III-IV
🟡 35 min to burn
Type V-VI
🟢 58 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
17.1°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
98/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~600
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Helsinki
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
03:44
☀️ Noon
12:27
🌇 Sunset
21:11
⏱️ Daylight
17h 27m
Wind Speed
18 km/h
Gentle breeze
Sunshine
13.2 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Helsinki
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Helsinki
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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, Helsinki on July 25 averages 20.9°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Helsinki Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (July 25) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Helsinki Worth Visiting on July 25?
Planning a trip to Helsinki on July 25? 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 20.9°C with a 14% historical precipitation risk.
✈️ Travel Logistics: Approximately 600 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 8 vaccinations are recommended for Finland, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 20.6°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.28m.
📊 Historical Extremes: The hottest July 25 recorded in the last 30 years saw temperatures hit 23.9°C in 2018, while the coldest dropped to 12.6°C in 2023.