Weather in Finland for May 2026
Finland typically experiences moderate snowfall in May, with an average of 9 snowy days.
In general, the average temperature in Finland at the beginning of May is 3.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15 °C by the end of May.
Snow Forecast ❄️
Temperatures
Finland Weather May
What’s the Weather Like in Finland This May?
Temperatures trend during May in Finland
May weather in Finland day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May | Light freezing rain | 4° /-4° | 0.5 mm | 0 cm | |
| 2 May | Patchy rain possible | 5° /-2° | 0.9 mm | 0 cm | |
| 3 May | Light freezing rain | 3° /-3° | 2.4 mm | 0.9 cm | |
| 4 May | Overcast | 2° /-4° | 0.4 mm | 0.1 cm | |
| 5 May | Patchy rain possible | 3° /-5° | 0.7 mm | 0.3 cm | |
| 6 May | Moderate or heavy snow showers | 4° /-4° | 0.3 mm | 0.2 cm | |
| 7 May | Patchy moderate snow | 3° /-3° | 1.4 mm | 0.7 cm | |
| 8 May | Light freezing rain | 4° /-4° | 0.6 mm | 0 cm | |
| 9 May | Overcast | 6° /-3° | 0.4 mm | 0.3 cm | |
| 10 May | Patchy rain possible | 7° /0° | 0.9 mm | 0.5 cm | |
| 11 May | Moderate or heavy rain shower | 7° /0° | 3.4 mm | 0 cm | |
| 12 May | Overcast | 10° /-1° | 0 mm | 0 cm | |
| 13 May | Overcast | 13° /2° | 0.4 mm | 0 cm | |
| 14 May | Overcast | 12° /1° | 0.5 mm | 0 cm | |
| 15 May | Moderate rain at times | 12° /3° | 0.8 mm | 0 cm | |
| 16 May | Moderate rain at times | 12° /3° | 1.2 mm | 0 cm | |
| 17 May | Overcast | 13° /4° | 3.2 mm | 0 cm | |
| 18 May | Heavy rain at times | 13° /3° | 2.1 mm | 0 cm | |
| 19 May | Moderate or heavy rain shower | 13° /3° | 3.8 mm | 0 cm | |
| 20 May | Overcast | 11° /2° | 2.4 mm | 0.1 cm | |
| 21 May | Moderate or heavy rain shower | 10° /2° | 6.2 mm | 2.5 cm | |
| 22 May | Moderate rain at times | 12° /2° | 2.7 mm | 0.5 cm | |
| 23 May | Overcast | 13° /4° | 1.9 mm | 0 cm | |
| 24 May | Patchy rain possible | 15° /5° | 2.3 mm | 0 cm | |
| 25 May | Patchy rain possible | 13° /5° | 0.7 mm | 0 cm | |
| 26 May | Overcast | 15° /5° | 0.2 mm | 0 cm | |
| 27 May | Partly cloudy | 14° /5° | 1.1 mm | 0 cm | |
| 28 May | Overcast | 13° /6° | 2.6 mm | 0 cm | |
| 29 May | Patchy rain possible | 15° /5° | 0.7 mm | 0 cm | |
| 30 May | Overcast | 18° /6° | 0 mm | 0 cm | |
| 31 May | Light rain shower | 17° /9° | 3 mm | 0 cm | |
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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
Finland snow forecast May 2026
May rainfall patterns in Finland
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Get accurate weather forecasts for Finland, located at latitude 66.5 and longitude 25.717. Stay updated with localized weather information tailored for Finland.