Annual mean 10°C · wettest around October · prevailing wind W
Warmest
21.5 °C
Coldest
1.8 °C
Wettest
24%
Windiest
5.9 m/s
Prevailing
W
5.1 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 Słupsk over the whole year is 10°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 1°C. Słupsk has no sharply defined rainy season: the chance of rain on a given day runs from 7% in April, the driest month, to 20% in October, the wettest. Winds in Słupsk are highest in January, averaging 5.3 m/s (19 km/h), and lightest in August, at 3.8 m/s (14 km/h). The prevailing wind is from the W. The clearest skies in Słupsk come in June, when the sky is typically 56% covered; December is the cloudiest month, at 85%.
Month by month Słupsk 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
-4°C
19%
83%
5.3 m/s
0
0
1
February
3°C
1°C
-2°C
16%
76%
5.1 m/s
0
0
3
March
6°C
2°C
0°C
11%
71%
4.5 m/s
0
0
12
April
10°C
6°C
4°C
7%
60%
4.7 m/s
6
0
34
May
15°C
10°C
10°C
10%
58%
4.2 m/s
22
1
68
June
19°C
14°C
17°C
11%
56%
3.9 m/s
60
8
79
July
20°C
16°C
18°C
16%
62%
4.3 m/s
73
8
78
August
21°C
16°C
19°C
16%
59%
3.8 m/s
77
13
71
September
18°C
13°C
16°C
15%
61%
4.0 m/s
56
5
81
October
13°C
9°C
9°C
20%
72%
4.9 m/s
11
0
62
November
6°C
5°C
2°C
18%
82%
4.5 m/s
0
0
19
December
3°C
2°C
-2°C
18%
85%
5.2 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 Słupsk weather by season
Year round, Słupsk has days of about 2°C at their warmest in January, its coolest month, and 21°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 October 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.
Słupsk weather in winterDecember to February
High 3°CLow 2°CRain 18%
Winter in Słupsk has typical daily highs of about 3°C and lows of about 2°C, with a 18% chance of rain on a given day.
Słupsk weather in springMarch to May
High 10°CLow 6°CRain 9%
Spring in Słupsk has typical daily highs of about 10°C and lows of about 6°C, with a 9% chance of rain on a given day.
Słupsk weather in summerJune to August
High 20°CLow 16°CRain 14%
Summer in Słupsk has typical daily highs of about 20°C and lows of about 16°C, with a 14% chance of rain on a given day.
Słupsk weather in autumnSeptember to November
High 12°CLow 9°CRain 17%
Autumn in Słupsk has typical daily highs of about 12°C and lows of about 9°C, with a 17% chance of rain on a given day.
When is the rainy season in Słupsk?
Słupsk has no sharply defined rainy season: the chance of rain on a given day runs from 7% in April, the driest month, to 20% in October, the wettest.
What time of year is Słupsk windiest?
Winds in Słupsk are highest in January, averaging 5.3 m/s (19 km/h), and lightest in August, at 3.8 m/s (14 km/h). The prevailing wind is from the W.
What is the average temperature in Słupsk year round?
The average temperature in Słupsk over the whole year is 10°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 1°C.