Finland weather

Our guide to the weather in Finland during May

13

Average high

4

UV Index

65mm

Monthly rainfall

68%

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 May.

What's the temperature like in Finland during May?

The temperature reaches around 13℃ during the daytime in May, falling away to 4℃ 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 snow in Finland during May?

Possibly. There's a chance of snow during May but not as much as you might think. Check the local forecast before you leave home so that you can pack appropriate footwear and clothing.

Does it rain in Finland during May?

On average, there will be 6 rainy days during the month, amounting to 65.4mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Finland during May?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With moderate humidity, the wind will feel chilly, so you'll want to wear layers.

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Finland Blog posts

From the Ireland's most popular travel bloggers

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The best of Helsinki in 1 day

11th July 2022 by Eat Sleep Breathe Travel

Do you only have 1 day in Helsinki? It may sound daunting, but as someone who as done it before, it is absolutely do-able. That being said, you may fall in love with the city (as I did) and wish you planned to stay longer (also, as I did) but before you get too far ahead of yourself, let me tell you how to get the best of Helsinki in 1 day....

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