Annual mean 5°C · wettest around January · prevailing wind SW
Warmest
21.6 °C
Coldest
-7.3 °C
Wettest
45%
Windiest
4.7 m/s
Prevailing
SW
3.8 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 Ilmajoki over the whole year is 5°C. July is the hottest month, with highs of about 20°C; February is the coldest, with lows of about -6°C. The rainy (wet) season in Ilmajoki runs from January to March, peaking in January with a 41% chance of rain on a given day. The dry season is April to August; May is the driest month, at 17%. Winds in Ilmajoki are highest in January, averaging 3.4 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 Ilmajoki come in July, when the sky is typically 53% covered; November is the cloudiest month, at 82%.
Month by month Ilmajoki 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
-5°C
-6°C
-10°C
41%
80%
3.4 m/s
0
0
0
February
-3°C
-6°C
-8°C
31%
76%
3.3 m/s
0
0
0
March
1°C
-4°C
-5°C
32%
68%
3.3 m/s
0
0
1
April
6°C
-0°C
1°C
28%
62%
3.1 m/s
2
0
19
May
13°C
5°C
9°C
17%
56%
3.2 m/s
22
1
54
June
18°C
11°C
15°C
28%
54%
3.0 m/s
51
9
70
July
20°C
13°C
19°C
23%
53%
2.6 m/s
65
17
66
August
18°C
12°C
16°C
28%
57%
2.8 m/s
64
5
79
September
14°C
8°C
11°C
31%
64%
2.8 m/s
22
0
71
October
7°C
3°C
3°C
30%
74%
3.1 m/s
0
0
25
November
1°C
-0°C
-3°C
35%
82%
3.2 m/s
0
0
3
December
-3°C
-3°C
-8°C
24%
81%
3.3 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 Ilmajoki weather by season
Year round, Ilmajoki has days of about -5°C at their warmest in January, its coolest month, and 20°C in July, its warmest; the coolest hours of the day run from -6°C to 13°C through the year, and the average temperature over the year is 5°C around the clock. Rain is most likely around January 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.
Ilmajoki weather in winterDecember to February
High -4°CLow -5°CRain 32%
Winter in Ilmajoki has typical daily highs of about -4°C and lows of about -5°C, with a 32% chance of rain on a given day.
Ilmajoki weather in springMarch to May
High 7°CLow 0°CRain 26%
Spring in Ilmajoki has typical daily highs of about 7°C and lows of about 0°C, with a 26% chance of rain on a given day.
Ilmajoki weather in summerJune to August
High 19°CLow 12°CRain 26%
Summer in Ilmajoki has typical daily highs of about 19°C and lows of about 12°C, with a 26% chance of rain on a given day.
Ilmajoki weather in autumnSeptember to November
High 7°CLow 4°CRain 32%
Autumn in Ilmajoki has typical daily highs of about 7°C and lows of about 4°C, with a 32% chance of rain on a given day.
When is the rainy season in Ilmajoki?
The rainy (wet) season in Ilmajoki runs from January to March, peaking in January with a 41% chance of rain on a given day. The dry season is April to August; May is the driest month, at 17%.
What time of year is Ilmajoki windiest?
Winds in Ilmajoki are highest in January, averaging 3.4 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 Ilmajoki year round?
The average temperature in Ilmajoki over the whole year is 5°C. July is the hottest month, with highs of about 20°C; February is the coldest, with lows of about -6°C.