Annual mean 5°C · wettest around February · prevailing wind SW
Warmest
21.2 °C
Coldest
-8.7 °C
Wettest
85%
Windiest
4.1 m/s
Prevailing
SW
3.6 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 Mikkeli over the whole year is 5°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -8°C. The rainy (wet) season in Mikkeli runs from January to March, peaking in February with a 71% chance of rain on a given day. The dry season is April to December; May is the driest month, at 24%. Winds in Mikkeli are highest in November, averaging 3.3 m/s (12 km/h), and lightest in July, at 2.7 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in Mikkeli come in June, when the sky is typically 45% covered; November is the cloudiest month, at 88%.
Month by month Mikkeli 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
-7°C
-8°C
-12°C
63%
76%
3.1 m/s
0
0
0
February
-4°C
-6°C
-9°C
71%
78%
3.2 m/s
0
0
0
March
0°C
-5°C
-5°C
64%
65%
3.1 m/s
0
0
1
April
6°C
0°C
1°C
43%
59%
2.9 m/s
1
0
16
May
14°C
7°C
9°C
24%
48%
2.9 m/s
22
1
55
June
19°C
13°C
16°C
37%
45%
2.9 m/s
51
8
72
July
20°C
15°C
18°C
30%
49%
2.7 m/s
66
16
67
August
19°C
14°C
17°C
25%
53%
2.8 m/s
67
5
79
September
13°C
9°C
11°C
42%
65%
2.8 m/s
23
1
67
October
6°C
4°C
3°C
29%
78%
3.2 m/s
1
0
23
November
1°C
0°C
-4°C
47%
88%
3.3 m/s
0
0
3
December
-4°C
-4°C
-8°C
36%
87%
3.2 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 Mikkeli weather by season
Year round, Mikkeli has days of about -7°C at their warmest in January, its coolest month, and 20°C in July, its warmest; the coolest hours of the day run from -8°C to 15°C through the year, and the average temperature over the year is 5°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.
Mikkeli weather in winterDecember to February
High -5°CLow -6°CRain 57%
Winter in Mikkeli has typical daily highs of about -5°C and lows of about -6°C, with a 57% chance of rain on a given day.
Mikkeli weather in springMarch to May
High 7°CLow 1°CRain 44%
Spring in Mikkeli has typical daily highs of about 7°C and lows of about 1°C, with a 44% chance of rain on a given day.
Mikkeli weather in summerJune to August
High 19°CLow 14°CRain 31%
Summer in Mikkeli has typical daily highs of about 19°C and lows of about 14°C, with a 31% chance of rain on a given day.
Mikkeli weather in autumnSeptember to November
High 7°CLow 4°CRain 39%
Autumn in Mikkeli has typical daily highs of about 7°C and lows of about 4°C, with a 39% chance of rain on a given day.
When is the rainy season in Mikkeli?
The rainy (wet) season in Mikkeli runs from January to March, peaking in February with a 71% chance of rain on a given day. The dry season is April to December; May is the driest month, at 24%.
What time of year is Mikkeli windiest?
Winds in Mikkeli are highest in November, averaging 3.3 m/s (12 km/h), and lightest in July, at 2.7 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in Mikkeli year round?
The average temperature in Mikkeli over the whole year is 5°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -8°C.