Helsinki weather in August (Southern Finland, Finland)

What can you expect from the weather in Helsinki during August? Check out this comprehensive weather guide.

In Helsinki the weather in August is generally perfect, characterized by pleasant temperatures and moderate rainfall. August is a summer month. Throughout the day, temperatures typically settle at around 22°C. But by evening, they drop to around 12°C.

Helsinki in August usually receives moderate rainfall, averaging around 79 mm for the month. When we look at the climate data from the last 30 years, we can expect around 16 days of rain.

With around 230 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July and August typically offer the most optimal weather. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Helsinki climate page with graphs.

 

Helsinki, monthly averages in August

Min Temperature 12°C  

Max Temperature 22°C  

Water Temperature 15°C  

Chance of Rain 52%  

Precipitation 79 mm  

Rainy days 16 days  

Humidity 78%  

Windspeed 11 km/h  

Sunshine 230 hours  

Percentage Sunshine  

Where to go in Finland in August

Find out more about the weather in Finland in August and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Helsinki in August?

For visitors traveling to Helsinki, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 15°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Helsinki.

Our site offers climate and forecast data for every country in the world. Are you going to Finland? On this website you can find historical weather averages for many cities in Finland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.