Finland in may: average Weather, Temperature and Climate, Where to go?
Weather in Finland in may 2025
Below, you have access to the weather forecast for may for most popular cities in Finland. These datas are statistics for may from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in may in Helsinki
tolerable weather 18.3cm
Weather at 6am
50°F
Clear/Sunny
42% of time
28%
15%
10%
Weather at 12pm
56°F
Clear/Sunny
42% of time
23%
20%
10%
Weather at 6pm
52°F
Clear/Sunny
44% of time
27%
13%
12%
Weather at 3am
47°F
38%
30%
13%
9%
Where to go in Finland in may?
Where to go in Finland in may: destination map
Where to go in each region in may?
| Finnish Lakeland (Tampere, Kuopio, Joensuu...) | 56°F to 61°F | 4 à 6 days | tolerable weather* | |
| Lapland (Rovaniemi, Ivalo, Enontekiö...) | 34°F to 54°F | 2 à 10 days | 38°F to 45°F | very bad weather* |
| North of Finland (Oulu, Kajaani, Kalajoki...) | 43°F to 58°F | 4 à 7 days | 38°F | bad weather* |
| South of Finland (Helsinki, Kotka, Lappeenranta...) | 50°F to 61°F | 3 à 5 days | 43°F to 47°F | tolerable weather* |
| West Coast of Finland (Turku, Vaasa, Åland...) | 47°F to 59°F | 3 à 6 days | 38°F to 41°F | tolerable weather* |
Where should you go in Finland in may when it comes to the weather?
Remember:
The climate in Finland in may ranges from tolerable to very bad depending on the region and city.
May is not the best month to visit Finland. The weather in Helsinki, Kuopio, Tampere and Jyväskylä is OK but just acceptable. The sun is not there all the time and you may be faced the rain frequently. Nevertheless, if you don't plan a deckchair & cocktails by the pool travel but rather city tours or hiking, this climate may be good enough for you. In addition, there are surely fewer tourists this month.
But it gets worse: in Sodankylä, Turku, Lapland (Rovaniemi) and Masku and surrounding areas where the climate is very bad. It is not advisable to go to these areas in may.
Climate in Finland in may
Climate in Helsinki in may
In the month of may, the mean temperature in Helsinki is 52°F (maximum temperature is 56°F and minimum temperature is 50°F). The climate is relatively fresh in this city in may, but it is liveable when dressing cosy. With 2.6in over 4 days, rain may occur for your stay. But this is pretty moderate and it will not be continuous.
With a correct climate, may is okay (but not good time) for traveling in that area.
| May | |||
| Average temperature | 52°F | ||
| Highest temperature | 56°F | ||
| Lowest temperature | 50°F | ||
| Sea temperature | 45°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (13%) | ||
| Humidity | 76% | ||
| Daily sunshine hours | 15 | ||
| Cloud cover | 40% | ||
| Length of day | 17:13 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Lapland (Rovaniemi) in may
In the month of may, the mean temperature in Lapland (Rovaniemi) is 47°F (maximum temperature is 52°F and minimum temperature is 43°F). The climate is quite cool around this city in may, but it is bearable when dressing cosy. With 3.3in over 6 days, rainfall can happen throughout your stay. But this is rather reasonably and it will not be continuous.
| May | |||
| Average temperature | 47°F | ||
| Highest temperature | 52°F | ||
| Lowest temperature | 43°F | ||
| Rainfall | 3.3in | ||
| Number of days with rainfall | 6 day(s) (18%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 18 | ||
| Cloud cover | 60% | ||
| Length of day | 19:28 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Tampere in may
In the month of may, maximum temperature is 61°F and minimum temperature is 50°F (for an average temperature of 56°F). The climate is relatively cold in that area in the month of may, but it is endurable by dressing warm. With 2.3in over 4 days, rainfall can happen throughout your journey. But this is pretty moderate and it will not be continuous.
With proper weather, the month of may is okay (but not good time) for traveling in Tampere in Finland.
| May | |||
| Average temperature | 56°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 50°F | ||
| Rainfall | 2.3in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 71% | ||
| Daily sunshine hours | 15 | ||
| Cloud cover | 46% | ||
| Length of day | 17:33 | ||
| Our opinion at whereandwhen.net | good |
Climate in Åland in may
In may, the mean temperature in Ålands is 47°F (maximum temperature is 49°F and minimum temperature is 45°F). The climate is quite more than very fresh in this city in the month of may. Plan a sweater! With barely 1.9in over 3 days,
it rains very little throughout your stay.
With an unfavorable weather, the month of may is not the best time to go in this city in Finland.
| May | |||
| Average temperature | 47°F | ||
| Highest temperature | 49°F | ||
| Lowest temperature | 45°F | ||
| Sea temperature | 39°F | ||
| Rainfall | 1.9in | ||
| Number of days with rainfall | 3 day(s) (8%) | ||
| Humidity | 85% | ||
| Daily sunshine hours | 16 | ||
| Cloud cover | 39% | ||
| Length of day | 17:14 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Joensuu in may
In the month of may, the mean temperature in Joensuu is 52°F (maximum temperature is 58°F and minimum temperature is 49°F). The climate is fairly cool in this location in may, but it is endurable when dressing warm. With 3.1in over 6 days, you risk getting wet slightly during your journey. But this is rather reasonably and it will not be continuous.
With a bad climate, the month of may is not the best time to go in that area in Finland.
| May | |||
| Average temperature | 52°F | ||
| Highest temperature | 58°F | ||
| Lowest temperature | 49°F | ||
| Rainfall | 3.1in | ||
| Number of days with rainfall | 6 day(s) (18%) | ||
| Humidity | 72% | ||
| Daily sunshine hours | 16 | ||
| Cloud cover | 48% | ||
| Length of day | 17:53 | ||
| Our opinion at whereandwhen.net | tolerable |
All cities in Finland in may
| Helsinki in may | tolerable weather |
| Lapland (Rovaniemi) in may | bad weather |
| Tampere in may | good weather |
| Åland in may | bad weather |
| Joensuu in may | tolerable weather |
| Kajaani in may | tolerable weather |
| Kalajoki in may | bad weather |
| Kotka in may | bad weather |
| Kuopio in may | tolerable weather |
| Lappeenranta in may | tolerable weather |
| Oulu in may | bad weather |
| Turku in may | tolerable weather |
| Vaasa in may | bad weather |
| Turku Archipelago (Abo Skargard) in may | tolerable weather |
| Jyväskylä in may | tolerable weather |
| Masku in may | tolerable weather |
| Oulanka national park (Oulangan kansallispuisto) in may | bad weather |
| Pori in may | tolerable weather |
| Rauma in may | bad weather |
| Saimaa in may | tolerable weather |
| Alajärvi in may | tolerable weather |
| Ekenäs in may | bad weather |
| Forssa in may | tolerable weather |
| Hämeenlinna in may | good weather |
| Hamina in may | bad weather |
| Hanko in may | bad weather |
| Haukipudas in may | bad weather |
| Heinola in may | good weather |
| Iisalmi in may | tolerable weather |
| Ilomantsi in may | tolerable weather |
| Imatra in may | tolerable weather |
| Ingå in may | bad weather |
| Jakobstad in may | bad weather |
| Jämsä in may | tolerable weather |
| Joutseno in may | tolerable weather |
| Kankaanpaeae in may | tolerable weather |
| Kauhajoki in may | tolerable weather |
| Keuruu in may | tolerable weather |
| Kirkkonummi in may | tolerable weather |
| Kitee in may | tolerable weather |
| Kokkola in may | bad weather |
| Kouvola in may | tolerable weather |
| Kristinestad in may | very bad weather |
| Kuhmo in may | very bad weather |
| Kuivaniemi in may | bad weather |
| Kuusamo in may | bad weather |
| Lahti in may | good weather |
Weather data for Finland in may:
Weather data for Finland in may is derived from an average of the weather forecast since 2009 in Finland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Finland can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Finland.