Annual mean 4°C · wettest around January · prevailing wind SW
Warmest
20.6 °C
Coldest
-9.7 °C
Wettest
76%
Windiest
5.4 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 Joensuu 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 Joensuu runs from January to April, peaking in January with a 59% chance of rain on a given day. The dry season is May; May is the driest month, at 20%. Winds in Joensuu are highest in November, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.8 m/s (14 km/h). The prevailing wind is from the SW. The clearest skies in Joensuu come in June, when the sky is typically 47% covered; December is the cloudiest month, at 89%.
Month by month Joensuu 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
-14°C
59%
81%
4.4 m/s
0
0
0
February
-6°C
-7°C
-12°C
48%
77%
4.5 m/s
0
0
0
March
-2°C
-6°C
-8°C
50%
65%
4.3 m/s
0
0
0
April
4°C
-1°C
-2°C
41%
59%
4.0 m/s
0
0
6
May
12°C
7°C
6°C
20%
53%
4.0 m/s
13
0
43
June
18°C
13°C
14°C
46%
47%
4.2 m/s
46
6
69
July
20°C
16°C
18°C
34%
52%
3.8 m/s
61
15
67
August
18°C
14°C
16°C
29%
55%
4.2 m/s
58
4
78
September
13°C
9°C
9°C
44%
69%
4.5 m/s
16
0
59
October
6°C
4°C
1°C
37%
81%
4.9 m/s
0
0
14
November
-0°C
-1°C
-6°C
59%
88%
5.0 m/s
0
0
0
December
-5°C
-5°C
-10°C
39%
89%
4.5 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 Joensuu weather by season
Year round, Joensuu 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 16°C through the year, and the average temperature over the year is 4°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.
Joensuu weather in winterDecember to February
High -6°CLow -7°CRain 49%
Winter in Joensuu has typical daily highs of about -6°C and lows of about -7°C, with a 49% chance of rain on a given day.
Joensuu weather in springMarch to May
High 5°CLow -0°CRain 37%
Spring in Joensuu has typical daily highs of about 5°C and lows of about -0°C, with a 37% chance of rain on a given day.
Joensuu weather in summerJune to August
High 19°CLow 14°CRain 37%
Summer in Joensuu has typical daily highs of about 19°C and lows of about 14°C, with a 37% chance of rain on a given day.
Joensuu weather in autumnSeptember to November
High 6°CLow 4°CRain 47%
Autumn in Joensuu has typical daily highs of about 6°C and lows of about 4°C, with a 47% chance of rain on a given day.
When is the rainy season in Joensuu?
The rainy (wet) season in Joensuu runs from January to April, peaking in January with a 59% chance of rain on a given day. The dry season is May; May is the driest month, at 20%.
What time of year is Joensuu windiest?
Winds in Joensuu are highest in November, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.8 m/s (14 km/h). The prevailing wind is from the SW.
What is the average temperature in Joensuu year round?
The average temperature in Joensuu 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.