Weather: Helsinki — August
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
🌟 Climate Overview
August is an excellent time to visit Helsinki. Warm weather with highs of 21°C—great for outdoor activities. Rain is common, so pack an umbrella. As peak season, expect higher prices and more tourists. Sea temperature of 20°C is refreshing but swimmable.
Based on weather comfort, crowds, prices, and activity options
21°C
13°C
14days
15.7h
88mm
11.1h/day
80%
Very Humid6
High18 km/h (gusts 36)
20°C 💧 Refreshing
Is August a good time to visit Helsinki?
The weather is near-perfect with ideal temperatures and minimal rain.
Now
--
Air Quality
Travel Context
- CrowdsVery Busy
- Travel Costs Peak Rates
Daylight
05:34
21:18
Visiting Helsinki in August: Pros & Cons
Pros
- Comfortable temperatures for sightseeing
- Abundant sunshine for beach and outdoor fun
- Long daylight hours maximize sightseeing time
- One of the best months to visit
Cons
- Peak season — expect crowds and higher prices
Things to Do in August
Events & Festivals
Recommended for This Weather
Helsinki Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 0°C | -5°C | 15d (72mm) | 1.2h | 90% Very Humid | 0.4 Low | | Wet |
| Feb | -1°C | -5°C | 10d (54mm) | 3.4h | 87% Very Humid | 1.3 Low | | Good |
| Mar | 3°C | -3°C | 9d (40mm) | 6.9h | 81% Very Humid | 3.4 Moderate | | Good |
| Apr | 8°C | 1°C | 9d (47mm) | 10.1h | 71% Humid | 6 High | | Good |
| May | 15°C | 6°C | 9d (48mm) | 13.1h | 65% Humid | 8.4 Very High | | Excellent |
| Jun | 21°C | 12°C | 10d (61mm) | 14.4h | 68% Humid | 9.2 Very High | | Excellent |
| Jul | 22°C | 14°C | 15d (97mm) | 13.7h | 75% Humid | 8.1 Very High | | Excellent |
| Aug Current | 21°C | 13°C | 14d (88mm) | 11.1h | 80% Very Humid | 6 High | | Excellent |
| Sep | 16°C | 10°C | 10d (64mm) | 7.9h | 84% Very Humid | 3.6 Moderate | | Excellent |
| Oct | 10°C | 5°C | 13d (66mm) | 4.6h | 87% Very Humid | 1.6 Low | | Wet |
| Nov | 5°C | 1°C | 13d (60mm) | 1.6h | 91% Very Humid | 0.5 Low | | Wet |
| Dec | 0°C | -4°C | 13d (59mm) | 0.7h | 90% Very Humid | 0.2 Low | | Wet |
Helsinki
Design district with Helsinki Cathedral & Senate Square and Design District shopping, saunas, Art Nouveau architecture, and Baltic Sea islands.
View Full Destination Guide
What to Pack for August
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
🎒Personalized Packing List
Tell us about your trip and we'll create a custom packing list based on the weather.
Your Packing List
📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health
Planning a trip to Helsinki?
Frequently Asked Questions
Is August a good time to visit Helsinki?
Does it get cold at night in Helsinki in August?
What should I pack for Helsinki in August?
Does it rain a lot in Helsinki in August?
Can you swim in Helsinki in August?
How many hours of daylight are there in Helsinki in August?
Is August peak season in Helsinki?
More Helsinki Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
Coming soon
Overview
Complete travel guide for Helsinki: top things to do, itineraries, and typical costs.