Weather in Finland for May 2025
In general, the average temperature in Finland at the beginning of May is 8.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.1 °C by the end of May.
With an average of 4 rainy days, Finland experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
Is May a good time to visit Finland? check out the best time to travel to Finland page.
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Finland in May average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  10° | 2  8° | 3 9° | 4 10° | |||
| 5 7° | 6 7° | 7  9° | 8  9° | 9 10° | 10  13° | 11  14° |
| 12 15° | 13 15° | 14 17° | 15 17° | 16 15° | 17 17° | 18 14° |
| 19 16° | 20 17° | 21 17° | 22 16° | 23 17° | 24 20° | 25  19° |
| 26 16° | 27 19° | 28 18° | 29 18° | 30 18° | 31 19° |
You can click on date
Temperatures trend during May in Finland
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 10° /2° | 0.5 mm | 3 | |
| 2 May | Moderate or heavy rain shower | 8° /3° | 9.8 mm | 3 | |
| 3 May | Moderate rain at times | 9° /2° | 0.6 mm | 2 | |
| 4 May | Patchy rain possible | 10° /3° | 0.7 mm | 3 | |
| 5 May | Patchy rain possible | 7° /1° | 0.4 mm | 3 | |
| 6 May | Patchy rain possible | 7° /1° | 0.4 mm | 3 | |
| 7 May | Cloudy | 9° /0° | 0 mm | 3 | |
| 8 May | Partly cloudy | 9° /0° | 0 mm | 4 | |
| 9 May | Partly cloudy | 10° /1° | 0.4 mm | 4 | |
| 10 May | Overcast | 13° /4° | 1.5 mm | 3 | |
| 11 May | Sunny | 14° /4° | 0 mm | 5 | |
| 12 May | Sunny | 15° /4° | 0 mm | 4 | |
| 13 May | Sunny | 15° /6° | 0 mm | 4 | |
| 14 May | Sunny | 17° /9° | 0 mm | 5 | |
| 15 May | Sunny | 17° /8° | 0 mm | 5 | |
| 16 May | Moderate or heavy rain shower | 15° /9° | 4 mm | 4 | |
| 17 May | Overcast | 17° /8° | 0.2 mm | 5 | |
| 18 May | Cloudy | 14° /7° | 0 mm | 4 | |
| 19 May | Sunny | 16° /6° | 0 mm | 5 | |
| 20 May | Sunny | 17° /8° | 0 mm | 5 | |
| 21 May | Cloudy | 17° /7° | 0 mm | 5 | |
| 22 May | Overcast | 16° /8° | 0.1 mm | 5 | |
| 23 May | Patchy rain possible | 17° /9° | 0.3 mm | 5 | |
| 24 May | Sunny | 20° /9° | 0 mm | 6 | |
| 25 May | Heavy rain at times | 19° /11° | 4.5 mm | 5 | |
| 26 May | Moderate rain at times | 16° /9° | 1.1 mm | 4 | |
| 27 May | Patchy rain possible | 19° /7° | 0.1 mm | 5 | |
| 28 May | Overcast | 18° /9° | 0.1 mm | 5 | |
| 29 May | Partly cloudy | 18° /9° | 0.8 mm | 5 | |
| 30 May | Heavy rain at times | 18° /9° | 1.7 mm | 4 | |
| 31 May | Moderate rain at times | 19° /8° | 0.3 mm | 5 | |
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Guide for Finland in May
In May, Finland experiences a transition from spring to early summer, bringing about noticeable changes in the weather. At the beginning of the month, southern Finland typically enjoys milder temperatures with occasional showers.
The average daytime temperatures range from 10° to 15°, while the nights can still be quite chilly, dropping to around 2° to 7°. As the month progresses, the weather gradually becomes warmer and more stable.
By the end of May, the southern regions of Finland experience longer daylight hours and milder weather. Daytime temperatures can reach an average of 15° to 20°, creating pleasant conditions for outdoor activities.
The nights also become significantly milder, with temperatures ranging from 5° to 10°. In the northern parts of the country, the weather may still be cooler compared to the south, with average daytime temperatures ranging from 5° to 12° and nighttime temperatures dropping to around 0° to 5°.
Overall, May in Finland offers a transition from spring to early summer, with increasing temperatures and longer daylight hours as the month progresses.
Finland in May - FAQ
What to pack to Finland in May?
As you prepare for your trip to Finland in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Finland, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
Quick links
Where is Finland?Get accurate weather forecasts for Finland, located at latitude 60.17 and longitude 24.935. Stay updated with localized weather information tailored for Finland.