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Finland weather in August

Finland in August averages 15°C (58°F), 67 mm of rain and 7 hours of sun a day.

Of the twelve months in Finland, August is the second warmest, the second wettest and the fourth sunniest.

Finland
Average temp
15°C (58°F)

10–20°C · 49–68°F

Rainfall
67 mm

Showers likely

Sunshine
7 h

hours per day

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What is Finland like in August?

Daytime

Days are mild.

Rain

Some rain is likely; pack for showers.

Evening

Evenings are cooler. A layer helps after sunset.

What should I pack for Finland in August?

  • A light rain jacket

    About 67 mm falls this month — showers rather than washouts.

  • A warm mid-layer

    Nights drop to around 10°C (49°F).

August compared with July and September

August in Finland is 2°C cooler than July and 11 mm drier than it, which averages 17°C (62°F).

August in Finland is 5.1°C warmer than September and 10 mm wetter than it, which averages 10°C (49°F).

Daylight in Finland in August

On 15 August the sun is up for 15 hours 56 minutes in Finland, rising about 05:22 and setting about 21:18 local time.

August ends 2 hours 53 minutes shorter than it begins, so the last week of the month is a different length of day from the first.

That is 3 hours 43 minutes short of June, the longest-lit month here.

Travel guides for Finland

What to read before you book.

All travel guides in Finland

Finland weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 1 Oct 2026358 places covered

How August compares with the rest of the year

August is highlighted. Every other month links to its own page.

Finland weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January-8°C / 18°F42 mm
February-8°C / 18°F33 mm
March-4°C / 26°F31 mm
April3°C / 37°F33 mm
May9°C / 48°F43 mm
June14°C / 57°F67 mm
July17°C / 62°F78 mm
August15°C / 58°F67 mm
September10°C / 49°F57 mm
October4°C / 38°F66 mm
November-1°C / 30°F52 mm
December-5°C / 23°F49 mm

Similar weather in August

Other destinations whose August averages sit close to this one.

Check another month

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FAQs about Finland in August

August climate averages for Finland, 1991–2020.

Finland averages 15°C (58°F) in August, ranging from about 10°C (49°F) at night to 20°C (68°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Some. About 67 mm falls across August, enough to need a light jacket but not enough to reshape a trip.

Yes. August averages 15°C (58°F) against 10°C (49°F) in September — 5.1°C warmer.

August is 2°C cooler than July, and 11 mm drier.

Yes. August falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.

About 7 hours of sun a day on the 1991–2020 average.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 15 hours 56 minutes of daylight in mid-August, against 19 hours 39 minutes in June and 5 hours 15 minutes in December.

On 15 August, sunrise is about 05:22 and sunset about 21:18 local time. Both shift across the month — the month ends 2 hours 53 minutes shorter than it starts.