Weather in Helsinki in May

Helsinki, Finland averages a high of 13.1°C (55.6°F) and low of 5.9°C (42.6°F) in May, with 9 rain days and 12.9 hours of daily sunshine. Travel score: 69.9/100 (Good). The best time to visit Helsinki is July.

High
13°C56°F
Low
6°C43°F
🌧️
9
rain days
☀️
12.9
hrs/day sunshine
💧
70%
humidity
70— Good

May in Helsinki is cool and occasionally wet — good for most activities.

JanFebMarAprMayJunJulAugSepOctNovDec

What are the average temperatures in Helsinki?

JanFebMarAprMay13°6°JunJulAugSepOctNovDec

How much does it rain in Helsinki in May?

Helsinki receives an average of 46.2mm of rainfall across 9 rainy days in May. The annual total is 673mm.

JanFebMarAprMay9dJunJulAugSepOctNovDec

What should I pack for Helsinki in May?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 13°C
🧶
Sweaters and warm layers
Layer up for comfort

🎉Visiting Finland in May?

Don't miss any public holidays — check before you book!

→ See Finland holidays 2026→ See long weekends in Finland

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Plan your trip

Best Time to Visit Finland

See the best months for travel across all cities →

Where Is Hot in May?

Discover warm destinations this month →

What other cities are near Helsinki?

Tallinn

Estonia

14.6°

87 km away

Lahti

Finland

14.5°

93 km away

Turku

Finland

14.6°

155 km away

Tampere

Finland

13.6°

158 km away

Jyväskylä

Finland

13.5°

230 km away

Popular cities in Finland

Espoo

May

13°
71
Good

Tampere

May

14°
71
Good

Vantaa

May

15°
72
Good

Oulu

May

11°
66
Good

Turku

May

15°
72
Good

Other months in Helsinki

January
-2°
11 rain days
25
February
-3°
9 rain days
31
March
1°
8 rain days
45
April
7°
8 rain days
61
June
18°
11 rain days
74
July
21°
12 rain days
77
August
20°
12 rain days
75
September
15°
10 rain days
66
October
9°
11 rain days
47
November
4°
11 rain days
35
December
0°
12 rain days
27

Data based on 1994–2024 averages · Last updated: 2024-12-31