Helsinki

Southern Finland Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Southern Finland, Finland in August.

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

What to Expect in Southern Finland in August

Southern Finland, 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 (68°F) in Hanko to 22°C (72°F) in Laukkoski. Nighttime temperatures generally drop to 12°C (54°F) in Laukkoski and 16°C (61°F) in Hanko.

To explore the conditions in Southern Finland, 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 (2.6 in) to moderate rainfall in Taipalsaari with 94 mm (3.7 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Helsinki sees close to 230 hours of sunlight, making it great for sun lovers.

Explore Southern Finland by month

Pick a month to see the average temperature, rainfall and sunshine in Southern Finland - and find the best time to visit. (based on Helsinki)

Best Places to Visit in Southern Finland in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Southern Finland.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Southern Finland

What is the weather like in August for some of the most popular destinations in Southern Finland, Finland?

Temperature range in Southern Finland (August)

Precipitation variation in Southern Finland (August)

Helsinki

In August Helsinki generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

July
August
September
Max temperature
23°C (73°F)
22°C (72°F)
16°C (61°F)
Min temperature
14°C (57°F)
12°C (54°F)
8°C (46°F)
Monthly sun hours
291 hours
230 hours
151 hours
Monthly rainfall
80 mm (3.1 in)
79 mm (3.1 in)
64 mm (2.5 in)
Monthly rainy days
14 days
16 days
17 days
Weather conditions

Turku

In August Turku generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

July
August
September
Max temperature
23°C (73°F)
22°C (72°F)
17°C (63°F)
Min temperature
13°C (55°F)
12°C (54°F)
8°C (46°F)
Monthly sun hours
288 hours
228 hours
154 hours
Monthly rainfall
85 mm (3.3 in)
83 mm (3.3 in)
64 mm (2.5 in)
Monthly rainy days
14 days
15 days
18 days
Weather conditions

Rauha

In August Rauha generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

July
August
September
Max temperature
23°C (73°F)
21°C (70°F)
16°C (61°F)
Min temperature
14°C (57°F)
12°C (54°F)
8°C (46°F)
Monthly rainfall
82 mm (3.2 in)
82 mm (3.2 in)
66 mm (2.6 in)
Monthly rainy days
14 days
16 days
19 days
Weather conditions

Espoo

In August Espoo generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

July
August
September
Max temperature
22°C (72°F)
21°C (70°F)
16°C (61°F)
Min temperature
14°C (57°F)
13°C (55°F)
9°C (48°F)
Monthly sun hours
291 hours
230 hours
151 hours
Monthly rainfall
72 mm (2.8 in)
75 mm (3 in)
65 mm (2.6 in)
Monthly rainy days
14 days
16 days
18 days
Weather conditions

Naantali

In August Naantali generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

July
August
September
Max temperature
22°C (72°F)
21°C (70°F)
16°C (61°F)
Min temperature
13°C (55°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
288 hours
228 hours
154 hours
Monthly rainfall
80 mm (3.1 in)
81 mm (3.2 in)
66 mm (2.6 in)
Monthly rainy days
14 days
15 days
18 days
Weather conditions

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

Popular cities in August

Day & night temperatures, rainfall and average weather in Southern Finland in August.

City Weather Day temp Night temp Rainfall
Helsinki 22°C (72°F) 12°C (54°F) 79 mm (3.1 in)
Turku 22°C (72°F) 12°C (54°F) 83 mm (3.3 in)
Rauha 21°C (70°F) 12°C (54°F) 82 mm (3.2 in)
Espoo 21°C (70°F) 13°C (55°F) 75 mm (3 in)
Naantali 21°C (70°F) 12°C (54°F) 81 mm (3.2 in)
Vantaa 22°C (72°F) 12°C (54°F) 79 mm (3.1 in)

Southern Finland weather in August: frequently asked questions

What is the weather like in Southern Finland, Finland in August?

Southern Finland, Finland typically experiences excellent weather in August, part of the summer season. Daytime highs in Helsinki average around 22°C (72°F), and temperatures drop to about 12°C (54°F) at night.

What is the average temperature in Southern Finland, Finland in August?

Helsinki averages a daytime maximum of 22°C (72°F) in August, with overnight lows close to 12°C (54°F).

Does Southern Finland, Finland get a lot of rain in August?

August is on the drier side in Southern Finland, Finland. Helsinki averages only about 79 mm (3.1 in), with most days staying dry.

Is August a Good Time to Visit Southern Finland, Finland?

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

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

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.

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