30YearWeather
Helsinki, May 10
Helsinki street view during May
Historical Weather Analysis

Helsinki Weather on May 10 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

partly-cloudy-day

11.1°C

High

5.2°C

Low

13%

Rain

❄️ Feels like 9.6°C (wind chill)

clear-day
YES, IT'S PARADISE

May 10 is statistically one of the best days of the year in Helsinki. With minimal rain risk (13%) and pleasant highs of 11°C, it's ideal for outdoor adventures. Lower tourist interest in Helsinki right now translates to better deals and a more local feel.

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 May 10

"Mild & Comfortable. Expect average highs of 11.1°C. 13% chance of snow."

What to Wear in Helsinki in May

Based on historical data for May 10, Helsinki typically experiences temperatures between 5.2°C and 11.1°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Helsinki

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

11.1°C

Daytime Peak

Average Low

extreme-cold

5.2°C

Nighttime Low

Feels Like

partly-cloudy-day

9.6°C

❄️ Minor difference

Snow Chance

snow

13%

Avg 0.6mm if it snows

Snowfall

snow

0.1 cm

~13% chance

Pressure

pressure

1016.1 hPa

High volatility

Helsinki Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

69%Reliable

Based on 10 years of data

Temperature
±3.5°CModerate
Precipitation
7-50%Unpredictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

3.4Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

03:00 - 10:00

Afternoon

16:00 - 20:00

Time to Sunburn

Type I-II

🔴 24 min to burn

Type III-IV

🟡 36 min to burn

Type V-VI

🟢 60 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

63Moderate
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

6°C

Dry air

Heat Stress

Low

No heat warning

😐 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
7.6°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.3m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Finland

Flight Traffic

Quiet

38/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~232

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Helsinki

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

03:55

☀️ Noon

12:17

🌇 Sunset

20:40

⏱️ Daylight

16h 45m

Golden Hour
Morning03:55 - 05:00
19:35 - 20:40Evening

Wind Speed

wind

18.9 km/h

Gentle breeze

Sunshine

clear-day

12.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

71%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Helsinki

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 Helsinki

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

90/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1016.1 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
34AQI
Good
PM2.5 Concentration1.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Helsinki on May 10 averages 11.1°C with a 13% precipitation probability. Wedding/Outdoor Event Score: 80/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Helsinki Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2016
18.5°C
Coldest
2017
-0.8°C
Rainiest
2017
8.9mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (May 10) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Helsinki Worth Visiting on May 10?

Planning a trip to Helsinki on May 10? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.1°C with a 13% historical precipitation risk.

✈️ Travel Logistics: Approximately 232 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 7.6°C (polar plunge). Wave conditions are generally lake-like with heights around 0.3m.

📊 Historical Extremes: The hottest May 10 recorded in the last 30 years saw temperatures hit 18.5°C in 2016, while the coldest dropped to -0.8°C in 2017.

Helsinki Weather FAQ