Weather in Helsinki in 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. Helsinki has a Cool climate with average yearly highs of 20°C, lows of 13°C, and approximately 12 rainy days per month.
20°C
13°C
12days
15.7h
Is August a good time to visit Helsinki?
The weather is near-perfect with ideal temperatures and minimal rain.
Daylight
5:34 AM
9:18 PM
Weather by Month
| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 4°C | 0°C | 15 | Wet |
| February | 3°C | -1°C | 12 | Good |
| March | 4°C | -1°C | 11 | Good |
| April | 8°C | 0°C | 10 | Good |
| May | 12°C | 5°C | 12 | Excellent (best) |
| June | 20°C | 13°C | 9 | Excellent (best) |
| July | 19°C | 13°C | 16 | Excellent (best) |
| August | 20°C | 13°C | 12 | Excellent (best) |
| September | 16°C | 11°C | 13 | Excellent (best) |
| October | 11°C | 7°C | 16 | Wet |
| November | 7°C | 3°C | 17 | Wet |
| December | 3°C | 0°C | 13 | Wet |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
What to Pack for August
Layers, a light jacket, comfortable walking shoes, and an umbrella.
Planning a trip to Helsinki?
Common Questions
Is August a good time to visit Helsinki? +
August is typically Excellent for visiting Helsinki, with average highs of 20°C and around 12 rainy days.
What should I pack for Helsinki in August? +
With highs of 20°C and lows of 13°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.
Does it rain a lot in Helsinki in August? +
Helsinki typically sees around 12 rainy days in August.
How many hours of daylight are there in Helsinki in August? +
In August, Helsinki gets approximately 15.7 hours of daylight per day.
Is August peak season in Helsinki? +
Yes, August is peak season in Helsinki. Expect higher prices and more crowds, but also the best weather.
What is the best month to visit Helsinki? +
The best months to visit Helsinki are May, June, July, August, September, when the weather is optimal for sightseeing.
More Helsinki Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Itineraries
Coming soon
Overview
Complete travel guide for Helsinki: top things to do, itineraries, and typical costs.