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Weather in August in Southern Finland

Are you planning a trip a to Southern Finland in August and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Southern Finland in August?

Southern Finland is a region in Finland. August in Southern Finland generally has pleasant temperatures, with moderate precipitation. During August, summer is in full swing.

Temperatures

The average maximum temperatures are pleasant and range from 20°C in Hanko to 22°C in Laukkoski. Nighttime temperatures generally drop to 12°C in Laukkoski and 16°C in Hanko.

To explore the conditions in Southern Finland in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Isnäs with an average of 67 mm to moderate rainfall in Taipalsaari with 94 mm.

Average sunshine

Meanwhile, Helsinki enjoys approximately 230 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

For a more detailed look at Southern Finland's conditions throughout the year, check out our Southern Finland climate page.

Where to go in Southern Finland in August

Find more information for the most popular destinations in the Southern Finland on the map below. Click on a destination dot for more details.

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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).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Finland, check out our Southern Finland's climate page.

Popular destinations

What is the weather like in August for the 5 most popular destinations in Southern Finland?

Helsinki

In August Helsinki generally has pleasant temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Helsinki
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
23°C 
14°C 
291 hours 
80 mm 
14 days 
22°C 
12°C 
230 hours 
79 mm 
16 days 
16°C 
8°C 
151 hours 
64 mm 
17 days 
Climate in Helsinki

Turku

In August Turku generally has pleasant temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Turku
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
23°C 
13°C 
288 hours 
85 mm 
14 days 
22°C 
12°C 
228 hours 
83 mm 
15 days 
17°C 
8°C 
154 hours 
64 mm 
18 days 
Climate in Turku

Rauha

In August Rauha generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Rauha
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
23°C 
14°C 
82 mm 
14 days 
21°C 
12°C 
82 mm 
16 days 
16°C 
8°C 
66 mm 
19 days 
Climate in Rauha

Espoo

In August Espoo generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Espoo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
22°C 
14°C 
291 hours 
72 mm 
14 days 
21°C 
13°C 
230 hours 
75 mm 
16 days 
16°C 
9°C 
151 hours 
65 mm 
18 days 
Climate in Espoo

Naantali

In August Naantali generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Naantali
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
22°C 
13°C 
288 hours 
80 mm 
14 days 
21°C 
12°C 
228 hours 
81 mm 
15 days 
16°C 
9°C 
154 hours 
66 mm 
18 days 
Climate in Naantali

Is your destination not in the list? Have a look at other destinations in Southern Finland, in Finland.

Is August the best time to visit Southern Finland?

We believe that August is one of the best times to visit Southern Finland with overall perfect weather in Helsinki.

On average, the best time to visit Southern Finland is in June, July and August with generally perfect weather in Helsinki. The weather in January, February, March, April, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Southern Finland.

Weather and climate has detailed information for every country in the world. Are you going to Finland? Get detailed 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 travel conditions. Find out where to go with our weather planner.