Annual mean 10°C · wettest around January · prevailing wind W
Warmest
22.2 °C
Coldest
1.5 °C
Wettest
26%
Windiest
5.1 m/s
Prevailing
W
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 Koszalin over the whole year is 10°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 1°C. Koszalin has no sharply defined rainy season: the chance of rain on a given day runs from 8% in April, the driest month, to 20% in January, the wettest. Winds in Koszalin are highest in January, averaging 4.3 m/s (15 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Koszalin come in June, when the sky is typically 56% covered; December is the cloudiest month, at 86%.
Month by month Koszalin 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
2°C
1°C
-3°C
20%
83%
4.3 m/s
0
0
2
February
3°C
1°C
-2°C
18%
76%
4.3 m/s
0
0
4
March
6°C
2°C
1°C
12%
70%
3.7 m/s
1
0
16
April
10°C
5°C
6°C
8%
59%
3.8 m/s
9
0
42
May
16°C
10°C
12°C
11%
58%
3.5 m/s
31
2
72
June
20°C
14°C
18°C
11%
56%
3.3 m/s
67
12
75
July
21°C
16°C
19°C
16%
61%
3.5 m/s
73
11
74
August
22°C
16°C
20°C
16%
57%
3.1 m/s
77
17
67
September
18°C
12°C
16°C
14%
59%
3.2 m/s
57
6
80
October
13°C
9°C
9°C
18%
72%
3.9 m/s
12
0
66
November
6°C
4°C
2°C
16%
81%
3.8 m/s
0
0
20
December
3°C
2°C
-2°C
18%
86%
4.3 m/s
0
0
2
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 Koszalin weather by season
Year round, Koszalin has days of about 2°C at their warmest in January, its coolest month, and 22°C in August, its warmest; the coolest hours of the day run from 1°C to 16°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around January and least likely around April. 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.
Koszalin weather in winterDecember to February
High 3°CLow 1°CRain 19%
Winter in Koszalin has typical daily highs of about 3°C and lows of about 1°C, with a 19% chance of rain on a given day.
Koszalin weather in springMarch to May
High 11°CLow 6°CRain 10%
Spring in Koszalin has typical daily highs of about 11°C and lows of about 6°C, with a 10% chance of rain on a given day.
Koszalin weather in summerJune to August
High 21°CLow 15°CRain 14%
Summer in Koszalin has typical daily highs of about 21°C and lows of about 15°C, with a 14% chance of rain on a given day.
Koszalin weather in autumnSeptember to November
High 12°CLow 9°CRain 16%
Autumn in Koszalin has typical daily highs of about 12°C and lows of about 9°C, with a 16% chance of rain on a given day.
When is the rainy season in Koszalin?
Koszalin has no sharply defined rainy season: the chance of rain on a given day runs from 8% in April, the driest month, to 20% in January, the wettest.
What time of year is Koszalin windiest?
Winds in Koszalin are highest in January, averaging 4.3 m/s (15 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Koszalin year round?
The average temperature in Koszalin over the whole year is 10°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 1°C.