Finland weather

Our guide to the weather in Finland during August

19

Average high

4

UV Index

84mm

Monthly rainfall

77%

Humidity

We've looked at the most up-to-date weather data for Finland, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Finland weather in August.

What's the temperature like in Finland during August?

The temperature reaches around 19℃ during the daytime in August, falling away to 10℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Finland during August?

On average, there will be 6 rainy days during the month, amounting to 84.1mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Finland during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate air temperatures, any breeze will feel cool.

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Weather in Finland

Our month-by-month guide to the weather and climate in Finland

-6.3

Finland weather in

January
-5.1

Finland weather in

February
-1.2

Finland weather in

March
4.8

Finland weather in

April
13.3

Finland weather in

May
18.4

Finland weather in

June
21.2

Finland weather in

July
19.0

Finland weather in

August
13.0

Finland weather in

September
5.6

Finland weather in

October
0.8

Finland weather in

November
-3.7

Finland weather in

December