Annual mean 10°C · wettest around October · prevailing wind SW
Warmest
20.7 °C
Coldest
2.7 °C
Wettest
42%
Windiest
6.5 m/s
Prevailing
SW
5.4 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 Slagelse over the whole year is 10°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 2°C. Slagelse has no sharply defined rainy season: the chance of rain on a given day runs from 27% in February, the driest month, to 34% in October, the wettest. Winds in Slagelse are highest in January, averaging 5.6 m/s (20 km/h), and lightest in August, at 4.0 m/s (14 km/h). The prevailing wind is from the SW. The clearest skies in Slagelse come in September, when the sky is typically 44% covered; December is the cloudiest month, at 74%.
Month by month Slagelse 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
3°C
2°C
-3°C
29%
68%
5.6 m/s
0
0
2
February
4°C
3°C
-2°C
27%
64%
5.5 m/s
1
0
4
March
6°C
3°C
1°C
29%
57%
4.7 m/s
2
0
10
April
10°C
5°C
5°C
30%
45%
4.6 m/s
4
0
36
May
15°C
10°C
10°C
33%
44%
4.4 m/s
23
0
68
June
19°C
14°C
16°C
31%
46%
4.2 m/s
59
5
76
July
20°C
15°C
17°C
30%
50%
4.2 m/s
62
8
73
August
20°C
16°C
18°C
30%
44%
4.0 m/s
70
9
73
September
17°C
13°C
14°C
30%
44%
4.3 m/s
47
2
77
October
12°C
10°C
8°C
34%
56%
4.9 m/s
5
0
59
November
7°C
6°C
3°C
30%
67%
4.9 m/s
0
0
22
December
4°C
4°C
-1°C
30%
74%
5.3 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 Slagelse weather by season
Year round, Slagelse has days of about 3°C at their warmest in January, its coolest month, and 20°C in August, its warmest; the coolest hours of the day run from 2°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 February. 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.
Slagelse weather in winterDecember to February
High 4°CLow 3°CRain 29%
Winter in Slagelse has typical daily highs of about 4°C and lows of about 3°C, with a 29% chance of rain on a given day.
Slagelse weather in springMarch to May
High 10°CLow 6°CRain 31%
Spring in Slagelse has typical daily highs of about 10°C and lows of about 6°C, with a 31% chance of rain on a given day.
Slagelse weather in summerJune to August
High 20°CLow 15°CRain 30%
Summer in Slagelse has typical daily highs of about 20°C and lows of about 15°C, with a 30% chance of rain on a given day.
Slagelse weather in autumnSeptember to November
High 12°CLow 10°CRain 32%
Autumn in Slagelse has typical daily highs of about 12°C and lows of about 10°C, with a 32% chance of rain on a given day.
When is the rainy season in Slagelse?
Slagelse has no sharply defined rainy season: the chance of rain on a given day runs from 27% in February, the driest month, to 34% in October, the wettest.
What time of year is Slagelse windiest?
Winds in Slagelse are highest in January, averaging 5.6 m/s (20 km/h), and lightest in August, at 4.0 m/s (14 km/h). The prevailing wind is from the SW.
What is the average temperature in Slagelse year round?
The average temperature in Slagelse over the whole year is 10°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 2°C.