Helsinki

Southern Finland Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Southern Finland, Finland in May.

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Helsinki Turku Rauha Espoo

Considering a trip to Southern Finland, Finland this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Southern Finland in May

Southern Finland, Finland is a region in Finland. May in Southern Finland generally has temperatures that range from cold to mild, with moderate precipitation.

Temperatures

During the day the temperature is cold in Hanko at 10°C (50°F) and mild in Laukkoski at 17°C (63°F). As night falls, temperatures generally drop to 6°C (43°F) in Laukkoski and 7°C (45°F) in Hanko.

To explore the conditions in Southern Finland, Finland in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Nauvo with an average of 36 mm (1.4 in) to moderate rainfall in Parikkala with 55 mm (2.2 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Helsinki enjoys approximately 275 hours of sunlight, ideal for those seeking sunny weather.

Explore Southern Finland by month

Pick a month to see the average temperature, rainfall and sunshine in Southern Finland - and find the best time to visit. (based on Helsinki)

January-1°C (30°F) February-1°C (30°F) March3°C (37°F) April9°C (48°F) May16°C (61°F) June20°C (68°F) This monthJuly23°C (73°F) August22°C (72°F) September16°C (61°F) October10°C (50°F) November5°C (41°F) December2°C (36°F)
Best Time to Visit Southern Finland →

Best Places to Visit in Southern Finland in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Southern Finland.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Southern Finland

What is the weather like in May for some of the most popular destinations in Southern Finland, Finland?

Temperature range in Southern Finland (May)

Precipitation variation in Southern Finland (May)

Helsinki

In May Helsinki generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 6°C (43°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
9°C (48°F)
16°C (61°F)
20°C (68°F)
Min temperature
0°C (32°F)
6°C (43°F)
11°C (52°F)
Monthly sun hours
195 hours
275 hours
298 hours
Monthly rainfall
43 mm (1.7 in)
48 mm (1.9 in)
78 mm (3.1 in)
Monthly rainy days
13 days
10 days
11 days
Weather conditions
less favorable
good
excellent
Climate in Helsinki →

Turku

In May Turku generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
10°C (50°F)
16°C (61°F)
20°C (68°F)
Min temperature
0°C (32°F)
5°C (41°F)
9°C (48°F)
Monthly sun hours
206 hours
283 hours
277 hours
Monthly rainfall
38 mm (1.5 in)
44 mm (1.7 in)
71 mm (2.8 in)
Monthly rainy days
13 days
11 days
11 days
Weather conditions
less favorable
good
excellent
Climate in Turku →

Rauha

In May Rauha generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
8°C (46°F)
16°C (61°F)
20°C (68°F)
Min temperature
-1°C (30°F)
5°C (41°F)
11°C (52°F)
Monthly rainfall
40 mm (1.6 in)
52 mm (2 in)
75 mm (3 in)
Monthly rainy days
14 days
11 days
13 days
Weather conditions
less favorable
good
excellent
Climate in Rauha →

Espoo

In May Espoo generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 6°C (43°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
8°C (46°F)
15°C (59°F)
19°C (66°F)
Min temperature
0°C (32°F)
6°C (43°F)
10°C (50°F)
Monthly sun hours
195 hours
275 hours
298 hours
Monthly rainfall
42 mm (1.7 in)
46 mm (1.8 in)
71 mm (2.8 in)
Monthly rainy days
13 days
11 days
11 days
Weather conditions
less favorable
good
very good
Climate in Espoo →

Naantali

In May Naantali generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
9°C (48°F)
15°C (59°F)
19°C (66°F)
Min temperature
0°C (32°F)
5°C (41°F)
10°C (50°F)
Monthly sun hours
206 hours
283 hours
277 hours
Monthly rainfall
38 mm (1.5 in)
43 mm (1.7 in)
68 mm (2.7 in)
Monthly rainy days
12 days
10 days
10 days
Weather conditions
less favorable
good
very good
Climate in Naantali →

Is your destination not in the list? Have a look at all destinations in Southern Finland, in Finland.

Popular cities in May

Day & night temperatures, rainfall and average weather in Southern Finland in May.

City Weather Day temp Night temp Rainfall
Helsinki 16°C (61°F) 6°C (43°F) 48 mm (1.9 in)
Turku 16°C (61°F) 5°C (41°F) 44 mm (1.7 in)
Rauha 16°C (61°F) 5°C (41°F) 52 mm (2 in)
Espoo 15°C (59°F) 6°C (43°F) 46 mm (1.8 in)
Naantali 15°C (59°F) 5°C (41°F) 43 mm (1.7 in)
Vantaa 16°C (61°F) 6°C (43°F) 48 mm (1.9 in)

Southern Finland weather in May: frequently asked questions

What is the weather like in Southern Finland, Finland in May?

May in Southern Finland, Finland brings good weather. In Helsinki, daytime temperatures are typically around 16°C (61°F) and nighttime lows hover near 6°C (43°F).

What is the average temperature in Southern Finland, Finland in May?

Average temperatures in Southern Finland, Finland during May range from a nighttime low near 6°C (43°F) to a daytime high around 16°C (61°F) in Helsinki.

Does Southern Finland, Finland get a lot of rain in May?

Rain is generally moderate to light in Southern Finland, Finland during May, with Helsinki averaging close to 48 mm (1.9 in).

Is May a Good Time to Visit Southern Finland, Finland?

Given the typically good weather conditions in Helsinki, May might be a good time to visit Southern Finland, Finland. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in June, July and August offering mostly excellent weather in Helsinki. The weather in January, February, March, April, October, November and December, on the other hand, tends to be less favorable.

Interested in more climate information?

We have much more information about the climate in Southern Finland.

Weather and climate has detailed information for every country in the world. Are you going to Finland? Get detailed historical weather averages for many cities in Finland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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