Annual mean 7°C · wettest around February · prevailing wind SW
Warmest
21.9 °C
Coldest
-3.7 °C
Wettest
85%
Windiest
5.3 m/s
Prevailing
SW
4.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Turku over the whole year is 7°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -3°C. The rainy (wet) season in Turku runs from January to March, peaking in February with a 64% chance of rain on a given day. The dry season is April to October; May is the driest month, at 21%. Winds in Turku are highest in October, averaging 4.3 m/s (15 km/h), and lightest in April, at 3.5 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Turku come in June, when the sky is typically 47% covered; December is the cloudiest month, at 83%.
Month by month Turku climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-2°C
-3°C
-8°C
58%
79%
3.9 m/s
0
0
0
February
-1°C
-3°C
-6°C
64%
74%
3.7 m/s
0
0
0
March
2°C
-2°C
-3°C
47%
68%
3.6 m/s
0
0
2
April
7°C
2°C
2°C
36%
60%
3.5 m/s
1
0
21
May
14°C
7°C
10°C
21%
49%
3.5 m/s
23
1
58
June
19°C
13°C
15°C
38%
47%
3.9 m/s
50
7
72
July
21°C
15°C
18°C
26%
49%
3.7 m/s
66
14
68
August
19°C
15°C
17°C
29%
53%
3.9 m/s
67
4
78
September
15°C
10°C
12°C
40%
59%
3.7 m/s
27
1
74
October
9°C
6°C
4°C
32%
73%
4.3 m/s
0
0
33
November
4°C
2°C
-1°C
44%
82%
4.3 m/s
0
0
8
December
-0°C
-1°C
-5°C
39%
83%
4.3 m/s
0
0
0
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Turku weather by season
Year round, Turku has days of about -2°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -3°C to 15°C through the year, and the average temperature over the year is 7°C around the clock. Rain is most likely around February and least likely around May. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Turku weather in winterDecember to February
High -1°CLow -2°CRain 54%
Winter in Turku has typical daily highs of about -1°C and lows of about -2°C, with a 54% chance of rain on a given day.
Turku weather in springMarch to May
High 8°CLow 2°CRain 35%
Spring in Turku has typical daily highs of about 8°C and lows of about 2°C, with a 35% chance of rain on a given day.
Turku weather in summerJune to August
High 20°CLow 14°CRain 31%
Summer in Turku has typical daily highs of about 20°C and lows of about 14°C, with a 31% chance of rain on a given day.
Turku weather in autumnSeptember to November
High 9°CLow 6°CRain 38%
Autumn in Turku has typical daily highs of about 9°C and lows of about 6°C, with a 38% chance of rain on a given day.
When is the rainy season in Turku?
The rainy (wet) season in Turku runs from January to March, peaking in February with a 64% chance of rain on a given day. The dry season is April to October; May is the driest month, at 21%.
What time of year is Turku windiest?
Winds in Turku are highest in October, averaging 4.3 m/s (15 km/h), and lightest in April, at 3.5 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Turku year round?
The average temperature in Turku over the whole year is 7°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -3°C.