Annual mean 6°C · wettest around January · prevailing wind SW
Warmest
21.8 °C
Coldest
-6.4 °C
Wettest
64%
Windiest
4.9 m/s
Prevailing
SW
4.5 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 Kouvola over the whole year is 6°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -5°C. The rainy (wet) season in Kouvola runs from January to May, peaking in January with a 60% chance of rain on a given day. The dry season is June to December; August is the driest month, at 18%. Winds in Kouvola are highest in November, averaging 4.5 m/s (16 km/h), and lightest in July, at 3.5 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Kouvola come in June, when the sky is typically 43% covered; December is the cloudiest month, at 87%.
Month by month Kouvola 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
-5°C
-10°C
60%
80%
4.4 m/s
0
0
0
February
-3°C
-5°C
-9°C
60%
76%
4.3 m/s
0
0
0
March
1°C
-3°C
-5°C
55%
64%
4.0 m/s
0
0
1
April
6°C
1°C
1°C
48%
56%
3.8 m/s
1
0
15
May
14°C
8°C
9°C
40%
46%
3.7 m/s
20
1
54
June
19°C
13°C
15°C
31%
43%
3.8 m/s
48
6
73
July
21°C
15°C
18°C
21%
46%
3.5 m/s
66
15
69
August
19°C
14°C
17°C
18%
52%
3.6 m/s
67
5
80
September
14°C
10°C
11°C
22%
61%
3.8 m/s
24
0
69
October
7°C
5°C
3°C
23%
75%
4.3 m/s
1
0
25
November
2°C
1°C
-3°C
32%
87%
4.5 m/s
0
0
3
December
-2°C
-3°C
-7°C
27%
87%
4.4 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 Kouvola weather by season
Year round, Kouvola has days of about -5°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -5°C to 15°C through the year, and the average temperature over the year is 6°C around the clock. Rain is most likely around January and least likely around August. 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.
Kouvola weather in winterDecember to February
High -3°CLow -4°CRain 49%
Winter in Kouvola has typical daily highs of about -3°C and lows of about -4°C, with a 49% chance of rain on a given day.
Kouvola weather in springMarch to May
High 7°CLow 2°CRain 48%
Spring in Kouvola has typical daily highs of about 7°C and lows of about 2°C, with a 48% chance of rain on a given day.
Kouvola weather in summerJune to August
High 20°CLow 14°CRain 23%
Summer in Kouvola has typical daily highs of about 20°C and lows of about 14°C, with a 23% chance of rain on a given day.
Kouvola weather in autumnSeptember to November
High 8°CLow 5°CRain 26%
Autumn in Kouvola has typical daily highs of about 8°C and lows of about 5°C, with a 26% chance of rain on a given day.
When is the rainy season in Kouvola?
The rainy (wet) season in Kouvola runs from January to May, peaking in January with a 60% chance of rain on a given day. The dry season is June to December; August is the driest month, at 18%.
What time of year is Kouvola windiest?
Winds in Kouvola are highest in November, averaging 4.5 m/s (16 km/h), and lightest in July, at 3.5 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Kouvola year round?
The average temperature in Kouvola over the whole year is 6°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -5°C.