Finland weather by month

Check out Finland weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
25°F maximum daytime temperature in January in Helsinki25
27°F maximum daytime temperature in February in Helsinki27
34°F maximum daytime temperature in March in Helsinki34
45°F maximum daytime temperature in April in Helsinki45
59°F maximum daytime temperature in May in Helsinki59
66°F maximum daytime temperature in June in Helsinki66
70°F maximum daytime temperature in July in Helsinki70
68°F maximum daytime temperature in August in Helsinki68
57°F maximum daytime temperature in September in Helsinki57
48°F maximum daytime temperature in October in Helsinki48
37°F maximum daytime temperature in November in Helsinki37
30°F maximum daytime temperature in December in Helsinki30
Hours of sunshine (daily)
Days with some rainfall
20 days with some rainfall in January in Helsinki20
17 days with some rainfall in February in Helsinki17
16 days with some rainfall in March in Helsinki16
13 days with some rainfall in April in Helsinki13
10 days with some rainfall in May in Helsinki10
11 days with some rainfall in June in Helsinki11
14 days with some rainfall in July in Helsinki14
16 days with some rainfall in August in Helsinki16
17 days with some rainfall in September in Helsinki17
17 days with some rainfall in October in Helsinki17
21 days with some rainfall in November in Helsinki21
22 days with some rainfall in December in Helsinki22
Sea temperature °F
34°F sea temperature in January in Helsinki34
30°F sea temperature in February in Helsinki30
30°F sea temperature in March in Helsinki30
32°F sea temperature in April in Helsinki32
41°F sea temperature in May in Helsinki41
50°F sea temperature in June in Helsinki50
54°F sea temperature in July in Helsinki54
61°F sea temperature in August in Helsinki61
57°F sea temperature in September in Helsinki57
48°F sea temperature in October in Helsinki48
43°F sea temperature in November in Helsinki43
37°F sea temperature in December in Helsinki37

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Finland by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Finland (Helsinki) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Finland destinations

Below are average maximum temperatures at popular countries, regions and places in Finland for next month - March. Select a destination to see the climate guide for all months of the year.

All Finland destinations

Metric (°C)  |  Imperial (°F)

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Finland weather averages

Temperature in Finland (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
25°F maximum daytime temperature in January in Finland (Helsinki)25
27°F maximum daytime temperature in February in Finland (Helsinki)27
34°F maximum daytime temperature in March in Finland (Helsinki)34
45°F maximum daytime temperature in April in Finland (Helsinki)45
59°F maximum daytime temperature in May in Finland (Helsinki)59
66°F maximum daytime temperature in June in Finland (Helsinki)66
70°F maximum daytime temperature in July in Finland (Helsinki)70
68°F maximum daytime temperature in August in Finland (Helsinki)68
57°F maximum daytime temperature in September in Finland (Helsinki)57
48°F maximum daytime temperature in October in Finland (Helsinki)48
37°F maximum daytime temperature in November in Finland (Helsinki)37
30°F maximum daytime temperature in December in Finland (Helsinki)30
Min temperature (night-time)
14°F minimum night-time temperature in January in Finland (Helsinki)14
14°F minimum night-time temperature in February in Finland (Helsinki)14
21°F minimum night-time temperature in March in Finland (Helsinki)21
30°F minimum night-time temperature in April in Finland (Helsinki)30
41°F minimum night-time temperature in May in Finland (Helsinki)41
50°F minimum night-time temperature in June in Finland (Helsinki)50
54°F minimum night-time temperature in July in Finland (Helsinki)54
52°F minimum night-time temperature in August in Finland (Helsinki)52
45°F minimum night-time temperature in September in Finland (Helsinki)45
37°F minimum night-time temperature in October in Finland (Helsinki)37
28°F minimum night-time temperature in November in Finland (Helsinki)28
19°F minimum night-time temperature in December in Finland (Helsinki)19
Heat & Humidity
No heat & humidity in January in Finland (Helsinki)0
No heat & humidity in February in Finland (Helsinki)0
No heat & humidity in March in Finland (Helsinki)0
No heat & humidity in April in Finland (Helsinki)0
No heat & humidity in May in Finland (Helsinki)0
No heat & humidity in June in Finland (Helsinki)0
No heat & humidity in July in Finland (Helsinki)0
No heat & humidity in August in Finland (Helsinki)0
No heat & humidity in September in Finland (Helsinki)0
No heat & humidity in October in Finland (Helsinki)0
No heat & humidity in November in Finland (Helsinki)0
No heat & humidity in December in Finland (Helsinki)0
Sea temperature
34°F sea temperature in January in Finland (Helsinki)34
30°F sea temperature in February in Finland (Helsinki)30
30°F sea temperature in March in Finland (Helsinki)30
32°F sea temperature in April in Finland (Helsinki)32
41°F sea temperature in May in Finland (Helsinki)41
50°F sea temperature in June in Finland (Helsinki)50
54°F sea temperature in July in Finland (Helsinki)54
61°F sea temperature in August in Finland (Helsinki)61
57°F sea temperature in September in Finland (Helsinki)57
48°F sea temperature in October in Finland (Helsinki)48
43°F sea temperature in November in Finland (Helsinki)43
37°F sea temperature in December in Finland (Helsinki)37

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Finland

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
7 hours of daylight per day in January in Finland (Helsinki)7
9 hours of daylight per day in February in Finland (Helsinki)9
12 hours of daylight per day in March in Finland (Helsinki)12
15 hours of daylight per day in April in Finland (Helsinki)15
17 hours of daylight per day in May in Finland (Helsinki)17
19 hours of daylight per day in June in Finland (Helsinki)19
18 hours of daylight per day in July in Finland (Helsinki)18
16 hours of daylight per day in August in Finland (Helsinki)16
13 hours of daylight per day in September in Finland (Helsinki)13
10 hours of daylight per day in October in Finland (Helsinki)10
7 hours of daylight per day in November in Finland (Helsinki)7
6 hours of daylight per day in December in Finland (Helsinki)6
UV Index (Maximum)
No UV (maximum) index in January in Finland (Helsinki)0
No UV (maximum) index in February in Finland (Helsinki)0
UV (maximum) index 1 (Low) in March in Finland (Helsinki)1
UV (maximum) index 3 (Moderate) in April in Finland (Helsinki)3
UV (maximum) index 4 (Moderate) in May in Finland (Helsinki)4
UV (maximum) index 5 (Moderate) in June in Finland (Helsinki)5
UV (maximum) index 5 (Moderate) in July in Finland (Helsinki)5
UV (maximum) index 4 (Moderate) in August in Finland (Helsinki)4
UV (maximum) index 3 (Moderate) in September in Finland (Helsinki)3
UV (maximum) index 1 (Low) in October in Finland (Helsinki)1
No UV (maximum) index in November in Finland (Helsinki)0
No UV (maximum) index in December in Finland (Helsinki)0

Rainfall in Finland

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in Finland (Helsinki)20
17 days with some rainfall in February in Finland (Helsinki)17
16 days with some rainfall in March in Finland (Helsinki)16
13 days with some rainfall in April in Finland (Helsinki)13
10 days with some rainfall in May in Finland (Helsinki)10
11 days with some rainfall in June in Finland (Helsinki)11
14 days with some rainfall in July in Finland (Helsinki)14
16 days with some rainfall in August in Finland (Helsinki)16
17 days with some rainfall in September in Finland (Helsinki)17
17 days with some rainfall in October in Finland (Helsinki)17
21 days with some rainfall in November in Finland (Helsinki)21
22 days with some rainfall in December in Finland (Helsinki)22
Average monthly rainfall (inches)
1.7 inches monthly rainfall in January in Finland (Helsinki)1.7
1.3 inches monthly rainfall in February in Finland (Helsinki)1.3
1.4 inches monthly rainfall in March in Finland (Helsinki)1.4
1.5 inches monthly rainfall in April in Finland (Helsinki)1.5
1.3 inches monthly rainfall in May in Finland (Helsinki)1.3
1.7 inches monthly rainfall in June in Finland (Helsinki)1.7
2.6 inches monthly rainfall in July in Finland (Helsinki)2.6
3.0 inches monthly rainfall in August in Finland (Helsinki)3.0
2.9 inches monthly rainfall in September in Finland (Helsinki)2.9
2.8 inches monthly rainfall in October in Finland (Helsinki)2.8
2.8 inches monthly rainfall in November in Finland (Helsinki)2.8
2.3 inches monthly rainfall in December in Finland (Helsinki)2.3

Compare Finland weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Finland (Helsinki) and the UK (London).

Maximum daytime temperature (°F)

Finland (Helsinki)
UK (London)
45
45
34
50
45
55
59
63
66
68
70
72
68
72
57
66
48
59
37
50
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
25
27
30

Metric (°C)  |  Imperial (°F)

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