Annual mean 10°C · wettest around June · prevailing wind SW
Warmest
20.7 °C
Coldest
3.4 °C
Wettest
47%
Windiest
6.9 m/s
Prevailing
SW
5.6 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 Sønderborg over the whole year is 10°C. August is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 3°C. Sønderborg has no sharply defined rainy season: the chance of rain on a given day runs from 32% in August, the driest month, to 42% in June, the wettest. Winds in Sønderborg are highest in January, averaging 5.9 m/s (21 km/h), and lightest in August, at 4.2 m/s (15 km/h). The prevailing wind is from the SW. The clearest skies in Sønderborg come in May, when the sky is typically 50% covered; December is the cloudiest month, at 77%.
Month by month Sønderborg 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
4°C
3°C
-2°C
38%
73%
5.9 m/s
0
0
2
February
5°C
3°C
-2°C
37%
68%
5.9 m/s
0
0
5
March
7°C
3°C
1°C
34%
64%
5.1 m/s
0
0
11
April
10°C
6°C
5°C
36%
51%
4.8 m/s
3
0
37
May
15°C
10°C
11°C
36%
50%
4.7 m/s
26
0
68
June
19°C
14°C
16°C
42%
52%
4.4 m/s
57
4
76
July
20°C
15°C
17°C
32%
55%
4.4 m/s
62
7
73
August
20°C
16°C
18°C
32%
52%
4.2 m/s
70
8
72
September
18°C
13°C
15°C
34%
54%
4.4 m/s
49
2
77
October
13°C
10°C
9°C
36%
63%
5.2 m/s
7
0
61
November
8°C
6°C
3°C
34%
69%
5.2 m/s
0
0
23
December
5°C
4°C
-1°C
33%
77%
5.6 m/s
0
0
4
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 Sønderborg weather by season
Year round, Sønderborg has days of about 4°C at their warmest in January, its coolest month, and 20°C in August, its warmest; the coolest hours of the day run from 3°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 June 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.
Sønderborg weather in winterDecember to February
High 4°CLow 3°CRain 36%
Winter in Sønderborg has typical daily highs of about 4°C and lows of about 3°C, with a 36% chance of rain on a given day.
Sønderborg weather in springMarch to May
High 11°CLow 6°CRain 35%
Spring in Sønderborg has typical daily highs of about 11°C and lows of about 6°C, with a 35% chance of rain on a given day.
Sønderborg weather in summerJune to August
High 20°CLow 15°CRain 35%
Summer in Sønderborg has typical daily highs of about 20°C and lows of about 15°C, with a 35% chance of rain on a given day.
Sønderborg weather in autumnSeptember to November
High 13°CLow 10°CRain 35%
Autumn in Sønderborg has typical daily highs of about 13°C and lows of about 10°C, with a 35% chance of rain on a given day.
When is the rainy season in Sønderborg?
Sønderborg has no sharply defined rainy season: the chance of rain on a given day runs from 32% in August, the driest month, to 42% in June, the wettest.
What time of year is Sønderborg windiest?
Winds in Sønderborg are highest in January, averaging 5.9 m/s (21 km/h), and lightest in August, at 4.2 m/s (15 km/h). The prevailing wind is from the SW.
What is the average temperature in Sønderborg year round?
The average temperature in Sønderborg over the whole year is 10°C. August is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 3°C.