Annual mean 4°C · wettest around February · prevailing wind SW
Warmest
20.6 °C
Coldest
-9.7 °C
Wettest
63%
Windiest
4.4 m/s
Prevailing
SW
3.5 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 Iisalmi over the whole year is 4°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 Iisalmi runs from January to March, peaking in February with a 55% chance of rain on a given day. The dry season is April to October; May is the driest month, at 20%. Winds in Iisalmi are highest in February, averaging 3.3 m/s (12 km/h), and lightest in July, at 2.6 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Iisalmi come in June, when the sky is typically 47% covered; November is the cloudiest month, at 86%.
Month by month Iisalmi 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
-8°C
-8°C
-13°C
46%
77%
3.2 m/s
0
0
0
February
-6°C
-8°C
-11°C
55%
73%
3.3 m/s
0
0
0
March
-1°C
-6°C
-7°C
44%
62%
3.3 m/s
0
0
1
April
5°C
-1°C
-1°C
34%
56%
3.0 m/s
0
0
11
May
12°C
6°C
7°C
20%
53%
3.0 m/s
18
0
49
June
18°C
12°C
15°C
32%
47%
3.0 m/s
50
5
73
July
20°C
15°C
18°C
27%
50%
2.6 m/s
64
14
70
August
18°C
13°C
16°C
25%
54%
2.8 m/s
59
4
80
September
12°C
8°C
9°C
37%
67%
2.8 m/s
15
0
62
October
5°C
3°C
1°C
34%
78%
3.2 m/s
0
0
15
November
-1°C
-2°C
-5°C
40%
86%
3.3 m/s
0
0
1
December
-5°C
-5°C
-10°C
28%
85%
3.1 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 Iisalmi weather by season
Year round, Iisalmi has days of about -8°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 4°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.
Iisalmi weather in winterDecember to February
High -6°CLow -7°CRain 43%
Winter in Iisalmi has typical daily highs of about -6°C and lows of about -7°C, with a 43% chance of rain on a given day.
Iisalmi weather in springMarch to May
High 5°CLow -0°CRain 33%
Spring in Iisalmi has typical daily highs of about 5°C and lows of about -0°C, with a 33% chance of rain on a given day.
Iisalmi weather in summerJune to August
High 19°CLow 13°CRain 28%
Summer in Iisalmi has typical daily highs of about 19°C and lows of about 13°C, with a 28% chance of rain on a given day.
Iisalmi weather in autumnSeptember to November
High 5°CLow 3°CRain 37%
Autumn in Iisalmi has typical daily highs of about 5°C and lows of about 3°C, with a 37% chance of rain on a given day.
When is the rainy season in Iisalmi?
The rainy (wet) season in Iisalmi runs from January to March, peaking in February with a 55% chance of rain on a given day. The dry season is April to October; May is the driest month, at 20%.
What time of year is Iisalmi windiest?
Winds in Iisalmi are highest in February, averaging 3.3 m/s (12 km/h), and lightest in July, at 2.6 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Iisalmi year round?
The average temperature in Iisalmi over the whole year is 4°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -8°C.