Weather in Helsinki in may 2025

The weather in Helsinki in may comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.

Average weather throughout may

tolerable weather 18.3cm

Weather at 6am
50°F

Partly Cloudy

28%

Cloudy

15%

Moderate rain at times

10%

Weather at 12pm
56°F

Partly Cloudy

23%

Moderate rain at times

20%

Cloudy

10%

Weather at 6pm
52°F

Partly Cloudy

27%

Moderate rain at times

13%

Cloudy

12%

Weather at 3am
47°F

Clear/Sunny

38%

Partly Cloudy

30%

Cloudy

13%

Moderate rain at times

9%



Evolution of daily average temperature and precipitation in Helsinki in may

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Helsinki in may.


The climate of Helsinki in may is tolerable

The climate in may in Helsinki is wet (with 2.6in of rainfall over 4 days). The weather is worst than the previous month since in april there is an average of 2.2in of precipitation over 3 days.

The climate is relatively fresh in this location may, but it is livable by dressing warm. The high seasonal norm is 56°F. The minimum is 50°F. Thus, the mean temperature average in may in Helsinki is 52°F. Note that these seasonal averages are in contrast with those observed in Helsinki in may with a maximum record of 79°F in 2009 and a minimum record of 34°F in 2019. You can plan to have about 3 days with temperatures up to 65°F, or 10% of the month.

Day length in Helsinki in may is 17:13. Sunrise is at 03:41 and sunset is at 20:54.

With a correct climate, may is okay (but not the best) to go there.



Helsinki: another month?

If you can push back the dates of your trip, we advise you to go in june to Helsinki. more information

May: another location in Finland?

If you want to go to Finland in may, there are destinations with better weather than Helsinki:

In may, Tampere, Hämeenlinna, Heinola, Lahti, Mäntsälä and Riihimäki have good weather.

more information about Finland's weather in may


Seasonal average climate and temperature of Helsinki in may

Check below seasonal norms These datas are generated from the weather statements earlier years of the month of may.

May
Outside temperature
Average temperature 52°F
Highest temperature 56°F
Lowest temperature 50°F
Highest record temperature 79°F
(2009)
Lowest record temperature 34°F
(2019)
Number of days at +65°F 3 day(s)
(10%)
Number of days at -32°F 0 day(s)
(0%)
Sea temperature
Average sea temperature 45°F
Lowest sea temperature 35°F
Highest sea temperature 54°F
Wind
Wind speed 18km/h
Wind temperature 47°F
Precipitation (rainfall)
Rainfall 2.6in
Number of days with rainfall 4 day(s)
(13%)
Record daily rainfall 1.2in
(2021)
Snowfall 18.3cm
Other climate data
Humidity 76%
Visibility 9.37km
Cloud cover 40%
UV index 4
Daily sunshine hours 15
Sunrise and sunset
Time of sunrise 03:41
Time of sunset 20:54
Length of day 17:13
Our opinion about the weather in may
Our opinion at whereandwhen.net tolerable



How was the weather last may?

Here is the day by day recorded weather in Helsinki in may 2024:

01-05-2024
Clear/Sunny
43°F to 56°F
02-05-2024
Overcast
45°F to 54°F
03-05-2024
Cloudy
45°F to 50°F
04-05-2024
Cloudy
47°F to 61°F
05-05-2024
Clear/Sunny
43°F to 50°F
06-05-2024
Clear/Sunny
40°F to 45°F
07-05-2024
Partly Cloudy
38°F to 49°F
08-05-2024
Clear/Sunny
32°F to 45°F
09-05-2024
Clear/Sunny
36°F to 49°F
10-05-2024
Partly Cloudy
41°F to 54°F
11-05-2024
Clear/Sunny
40°F to 56°F
12-05-2024
Clear/Sunny
40°F to 56°F
13-05-2024
Patchy rain nearby
47°F to 58°F
14-05-2024
Partly Cloudy
52°F to 63°F
15-05-2024
Clear/Sunny
52°F to 67°F
16-05-2024
Clear/Sunny
54°F to 68°F
17-05-2024
Clear/Sunny
54°F to 70°F
18-05-2024
Clear/Sunny
54°F to 65°F
19-05-2024
Clear/Sunny
56°F to 68°F
20-05-2024
Partly Cloudy
54°F to 65°F
21-05-2024
Clear/Sunny
50°F to 63°F
22-05-2024
Clear/Sunny
52°F to 61°F
23-05-2024
Clear/Sunny
54°F to 67°F
24-05-2024
Clear/Sunny
56°F to 72°F
25-05-2024
Thundery outbreaks in nearby
58°F to 72°F
26-05-2024
Clear/Sunny
61°F to 70°F
27-05-2024
Clear/Sunny
58°F to 72°F
28-05-2024
Clear/Sunny
59°F to 74°F
29-05-2024
Thundery outbreaks in nearby
59°F to 70°F
30-05-2024
Clear/Sunny
59°F to 70°F
31-05-2024
Clear/Sunny
61°F to 74°F

Map: other cities in Finland in may

Cities near Helsinki:

Vantaa in maytolerable weather
Kirkkonummi in maytolerable weather
Porvoo in maytolerable weather
Lohja in maytolerable weather
Ingå in maybad weather
Mäntsälä in maygood weather
Riihimäki in maygood weather
Ekenäs in maybad weather
Hämeenlinna in maygood weather
Lahti in maygood weather
Forssa in maytolerable weather
Salo in maytolerable weather
Finland in may: See full list of cities

Click over cities on the map for information about the weather in may.

Legend: Helsinki perfect weather good tolerable bad very bad


Weather data for Helsinki in may:

Weather data for Helsinki for may are derived from an average of the weather forecast since 2009 in Helsinki. There is a margin of error and these forecasts are to be considered as general information only. The weather in Helsinki can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Helsinki.


Weather in april in Helsinki
Weather in june in Helsinki
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