Sønderborg weather forecast for 5 days

Sønderborg weather forecast for 5 days. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed

20 February 2026, Friday
--2°C / +1°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
-1
22
78%
1018
01:00
-1
22.7
77%
1018
02:00
-1
24.1
78%
1019
03:00
-2
24.1
81%
1019
04:00
-2
23
80%
1019
05:00
-2
23
81%
1019
06:00
-2
24.1
81%
1019
07:00
-2
26.3
82%
1020
08:00
-2
28.4
82%
1020
09:00
-2
29.9
80%
1020
10:00
-1
31
76%
1020
11:00
-1
29.9
75%
1019
12:00
-0
31
74%
1018
13:00
0
29.9
71%
1017
14:00
+1°C
29.5
69%
1016
15:00
+1°C
28.8
69%
1016
16:00
+1°C
29.9
69%
1015
17:00
+1°C
25.9
74%
1014
18:00
+1°C
23
80%
1014
19:00
+1°C
27
82%
1013
20:00
+1°C
26.3
84%
1012
21:00
+1°C
27
90%
1011
22:00
+1°C
25.2
94%
1011
23:00
+1°C
23.4
97%
1010
21 February 2026, Saturday
+2°C / +5°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+2°C
22.7
98%
1009
01:00
+2°C
23.8
97%
1007
02:00
+2°C
24.8
97%
1006
03:00
+3°C
24.1
97%
1005
04:00
+3°C
24.5
99%
1004
05:00
+3°C
23
100%
1004
06:00
+4°C
22
100%
1005
07:00
+4°C
22
100%
1005
08:00
+4°C
22.3
98%
1006
09:00
+4°C
20.9
97%
1007
10:00
+4°C
21.6
97%
1008
11:00
+5°C
21.6
97%
1008
12:00
+5°C
20.2
96%
1009
13:00
+5°C
19.1
96%
1009
14:00
+5°C
18.4
96%
1010
15:00
+5°C
17.3
96%
1010
16:00
+5°C
19.1
97%
1010
17:00
+5°C
18.4
97%
1011
18:00
+4°C
15.8
98%
1011
19:00
+4°C
16.6
98%
1011
20:00
+4°C
15.5
99%
1011
21:00
+3°C
16.5
99%
1011
22:00
+3°C
18.6
99%
1010
23:00
+3°C
19.5
98%
1010
22 February 2026, Sunday
+2°C / +8°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+2°C
16.7
99%
1009
01:00
+3°C
16.8
99%
1008
02:00
+3°C
18.6
98%
1008
03:00
+4°C
18
98%
1007
04:00
+4°C
20.3
98%
1005
05:00
+4°C
20.1
98%
1004
06:00
+5°C
20.2
98%
1004
07:00
+5°C
22.1
98%
1003
08:00
+6°C
22.6
98%
1003
09:00
+6°C
22.6
98%
1003
10:00
+7°C
24
97%
1003
11:00
+7°C
25.1
96%
1003
12:00
+7°C
23.2
96%
1003
13:00
+7°C
23.8
95%
1003
14:00
+7°C
23.5
95%
1003
15:00
+8°C
24.4
92%
1003
16:00
+8°C
24.5
89%
1004
17:00
+7°C
20
89%
1004
18:00
+5°C
18.1
93%
1004
19:00
+4°C
17.5
95%
1004
20:00
+4°C
16.4
96%
1004
21:00
+4°C
17.1
98%
1004
22:00
+4°C
16.9
98%
1004
23:00
+3°C
15.3
97%
1004
23 February 2026, Monday
+3°C / +7°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+3°C
15
98%
1003
01:00
+3°C
15.1
98%
1002
02:00
+3°C
15.6
98%
1002
03:00
+3°C
16.6
99%
1001
04:00
+3°C
17.5
99%
1000
05:00
+3°C
18.1
98%
1000
06:00
+3°C
18.6
98%
1000
07:00
+3°C
18.9
97%
999
08:00
+4°C
18.5
97%
999
09:00
+4°C
17.8
96%
1000
10:00
+5°C
18
95%
1000
11:00
+6°C
19.6
92%
1000
12:00
+7°C
21.9
89%
1000
13:00
+7°C
23.5
87%
1000
14:00
+7°C
23.4
88%
1000
15:00
+6°C
22.6
90%
1000
16:00
+6°C
21.5
92%
1000
17:00
+5°C
20.1
93%
1000
18:00
+5°C
18.3
94%
1000
19:00
+5°C
16.7
95%
1001
20:00
+4°C
15.5
95%
1002
21:00
+4°C
14.8
95%
1003
22:00
+4°C
14.1
96%
1004
23:00
+4°C
13.1
96%
1005
24 February 2026, Tuesday
+2°C / +7°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+4°C
12.5
97%
1006
01:00
+4°C
11.7
97%
1007
02:00
+3°C
11.1
97%
1008
03:00
+3°C
10.7
97%
1009
04:00
+3°C
10
98%
1010
05:00
+3°C
8.6
98%
1011
06:00
+2°C
7.4
99%
1012
07:00
+2°C
6.9
99%
1013
08:00
+2°C
7.8
99%
1014
09:00
+3°C
9.8
99%
1014
10:00
+3°C
11.6
99%
1015
11:00
+4°C
13.2
97%
1016
12:00
+5°C
14.5
93%
1016
13:00
+5°C
15.5
90%
1016
14:00
+6°C
15.6
88%
1016
15:00
+7°C
15
85%
1016
16:00
+7°C
14.9
84%
1015
17:00
+7°C
15.9
85%
1015
18:00
+7°C
17.2
87%
1015
19:00
+7°C
18.3
90%
1015
20:00
+7°C
19
92%
1015
21:00
+7°C
19.6
94%
1015
22:00
+7°C
19.5
95%
1015
23:00
+7°C
18.5
96%
1015


Climate Characteristics of Sønderborg

General Overview

Sønderborg features a temperate oceanic climate. Due to its relatively southern location and its position on the Baltic Sea (which is more sheltered than the North Sea), the climate here is considered one of the mildest and most pleasant in Denmark. The city enjoys less freezing winters and slightly warmer summers than the north of the country.

Summer Season (June to August)

Summer in Sønderborg is the most popular time for visiting. Daytime temperatures range between 20°C and 23°C (68-73°F). This is a perfect time for visiting Sønderborg Castle or sailing in the bay, as the water here tends to be calmer and warmer than the Danish average. The Baltic Sea breeze is soft and very pleasant.

Winter Season (December to February)

Winter is relatively mild but humid and grey. Daytime temperatures range around 3°C to 5°C (37-41°F). Due to the proximity to water, snow falls but rarely accumulates in large amounts for long. Southerly and easterly winds can occasionally bring piercing cold from the European continent.

Precipitation and Wind

Precipitation is distributed throughout the year, with autumn typically being the wettest season. Winds in Sønderborg are calmer than in West Coast cities (like Esbjerg), making outdoor activities more enjoyable during transition months.

 

Weather in Sønderborg by Month

January

The coldest but relatively mild month. 3°C (37°F) daytime. Cloudy skies and high humidity.

February

Wintry and cool (3°C/37°F daytime). Short days and chance of light snow or sleet.

March

Start of spring. 7°C (45°F) daytime. Temperatures rise, and the city starts coming to life.

April

Volatile (12°C/54°F daytime). Sunny days alongside sudden showers. Blooming in gardens begins.

May

A lovely month. 16°C (61°F) daytime. Temperatures are comfortable for walking, and the air is fresh.

June

Incredibly long days. 20°C (68°F) daytime. Ideal time for tours in the historical harbor and nearby beaches.

July

The warmest month. 22°C (72°F) daytime. Perfect for outdoor activities and picnics in green areas around the city.

August

Warm and pleasant (21°C/70°F daytime). Relatively rainy month but sea temperatures are at their highest.

September

Start of autumn. 17°C (63°F) daytime. Weather remains very comfortable for walking tours.

October

Autumnal and colorful. 12°C (54°F) daytime. Beautiful fall foliage around the castle and in parks.

November

Grey, humid, and cool. 7°C (45°F) daytime. Darkness falls early, and rain is more frequent.

December

Wintry and festive. 4°C (39°F) daytime. Christmas atmosphere in the old town offsets the cold.

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