Turku weather in August
Turku in August averages 16°C (62°F), 73 mm of rain and 7.1 hours of sun a day.
Of the twelve months in Turku, August is the second warmest, the fourth wettest and the fourth sunniest.

- Average temp
- 16°C (62°F)
12–21°C · 53–70°F
- Rainfall
- 73 mm
Showers likely
- Sunshine
- 7.1 h
hours per day
What is Turku 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 Turku in August?
A light rain jacket
About 73 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 12°C (53°F).
August compared with July and September
August in Turku is 1.1°C cooler than July and about as wet as it, which averages 18°C (64°F).
August in Turku is 4.8°C warmer than September and 12 mm wetter than it, which averages 12°C (53°F).
Daylight in Turku in August
On 15 August the sun is up for 15 hours 41 minutes in Turku, rising about 05:43 and setting about 21:25 local time.
August ends 2 hours 40 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 19 minutes short of June, the longest-lit month here.
Where to stay in Turku
Dates are a starting point for August.

Travel guides for Turku
What to read before you book.

Turku weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -3°C / 26°F | 61 mm |
| February | -4°C / 24°F | 42 mm |
| March | -1°C / 30°F | 43 mm |
| April | 5°C / 40°F | 31 mm |
| May | 10°C / 50°F | 36 mm |
| June | 15°C / 58°F | 60 mm |
| July | 18°C / 64°F | 78 mm |
| August | 16°C / 62°F | 73 mm |
| September | 12°C / 53°F | 61 mm |
| October | 6°C / 42°F | 79 mm |
| November | 1°C / 34°F | 73 mm |
| December | -2°C / 29°F | 66 mm |
Similar weather in August
Other destinations whose August averages sit close to this one.
Check another month
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FAQs about Turku in August
August climate averages for Turku, 1991–2020.
Turku averages 16°C (62°F) in August, ranging from about 12°C (53°F) at night to 21°C (70°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 73 mm falls across August, enough to need a light jacket but not enough to reshape a trip.
Yes. August averages 16°C (62°F) against 12°C (53°F) in September — 4.8°C warmer.
August is 1.1°C cooler than July, and about as wet.
Yes. August falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 7.1 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 41 minutes of daylight in mid-August, against 19 hours in June and 5 hours 47 minutes in December.
On 15 August, sunrise is about 05:43 and sunset about 21:25 local time. Both shift across the month — the month ends 2 hours 40 minutes shorter than it starts.


