Sønderborg monthly weather forecast

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

17 July 2026, Friday
+19°C / +26°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+21°C
3.6
84%
1015
01:00
+21°C
7.2
78%
1015
02:00
+21°C
8.6
72%
1014
03:00
+20°C
6.5
75%
1013
04:00
+20°C
14.8
88%
1012
05:00
+19°C
5.4
91%
1013
06:00
+19°C
5.8
91%
1013
07:00
+19°C
9.7
92%
1012
08:00
+19°C
9.7
94%
1012
09:00
+21°C
10.4
84%
1011
10:00
+21°C
8.3
82%
1010
11:00
+22°C
8.6
79%
1010
12:00
+24°C
8.6
72%
1010
13:00
+25°C
3.2
68%
1010
14:00
+25°C
5
65%
1009
15:00
+26°C
11.2
67%
1009
16:00
+26°C
12.6
65%
1008
17:00
+25°C
12.6
70%
1007
18:00
+25°C
9.7
72%
1007
19:00
+25°C
14
67%
1007
20:00
+23°C
10.1
72%
1007
21:00
+22°C
7.9
75%
1007
22:00
+21°C
10.4
87%
1007
23:00
+20°C
14
89%
1007
18 July 2026, Saturday
+16°C / +23°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+19°C
17.6
93%
1006
01:00
+18°C
16.9
95%
1006
02:00
+18°C
16.9
94%
1006
03:00
+17°C
16.9
94%
1006
04:00
+17°C
15.1
93%
1006
05:00
+16°C
14.4
91%
1005
06:00
+16°C
17.6
90%
1005
07:00
+17°C
17.3
87%
1005
08:00
+17°C
21.6
84%
1005
09:00
+18°C
20.9
82%
1005
10:00
+19°C
22
79%
1005
11:00
+20°C
23
75%
1005
12:00
+21°C
23.4
67%
1005
13:00
+22°C
26.6
65%
1005
14:00
+23°C
29.2
63%
1005
15:00
+23°C
30.2
62%
1005
16:00
+23°C
30.2
62%
1005
17:00
+22°C
29.5
60%
1005
18:00
+22°C
29.9
62%
1005
19:00
+21°C
28.1
66%
1005
20:00
+20°C
25.2
74%
1005
21:00
+20°C
23
81%
1006
22:00
+18°C
19.1
76%
1007
23:00
+17°C
16.6
79%
1007
19 July 2026, Sunday
+13°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
15.1
86%
1008
01:00
+15°C
12.8
89%
1008
02:00
+15°C
10.6
91%
1008
03:00
+14°C
9.4
92%
1009
04:00
+14°C
8.5
92%
1009
05:00
+13°C
9.3
92%
1009
06:00
+13°C
10
92%
1009
07:00
+14°C
11.4
89%
1009
08:00
+16°C
13.3
82%
1009
09:00
+16°C
13.6
77%
1010
10:00
+17°C
13.2
79%
1010
11:00
+18°C
11.6
71%
1010
12:00
+18°C
12.6
67%
1010
13:00
+19°C
13.1
62%
1010
14:00
+19°C
16.5
58%
1011
15:00
+18°C
16.1
68%
1011
16:00
+18°C
17
65%
1011
17:00
+18°C
17.4
64%
1012
18:00
+18°C
17.5
62%
1012
19:00
+17°C
20.2
63%
1012
20:00
+16°C
18.6
73%
1012
21:00
+16°C
17.6
72%
1013
22:00
+15°C
16.6
77%
1013
23:00
+14°C
16.2
81%
1014
20 July 2026, Monday
+14°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
16.4
82%
1014
01:00
+14°C
18.6
75%
1014
02:00
+14°C
22.6
72%
1014
03:00
+14°C
23.9
71%
1014
04:00
+14°C
25.1
71%
1013
05:00
+14°C
26
73%
1013
06:00
+14°C
27.1
78%
1013
07:00
+14°C
28.3
84%
1014
08:00
+14°C
28.9
87%
1014
09:00
+15°C
29
84%
1014
10:00
+16°C
29
79%
1015
11:00
+17°C
29.4
75%
1015
12:00
+17°C
29.3
75%
1015
13:00
+17°C
28.5
75%
1016
14:00
+17°C
27.6
73%
1016
15:00
+18°C
26.4
65%
1017
16:00
+19°C
24.8
57%
1017
17:00
+19°C
23.4
51%
1017
18:00
+19°C
22.3
51%
1018
19:00
+18°C
21.4
53%
1018
20:00
+18°C
19.9
56%
1018
21:00
+17°C
17.2
58%
1019
22:00
+17°C
14
60%
1019
23:00
+16°C
11.4
63%
1020
21 July 2026, Tuesday
+13°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
10.8
67%
1020
01:00
+15°C
11.5
71%
1020
02:00
+15°C
12.2
74%
1020
03:00
+14°C
11.4
76%
1020
04:00
+13°C
10.1
79%
1020
05:00
+13°C
9.1
80%
1020
06:00
+13°C
9.3
82%
1020
07:00
+14°C
10
83%
1020
08:00
+15°C
10.7
81%
1020
09:00
+16°C
11
74%
1021
10:00
+17°C
11.3
65%
1021
11:00
+19°C
12
59%
1020
12:00
+19°C
12.8
55%
1020
13:00
+20°C
14
52%
1020
14:00
+20°C
15.3
51%
1020
15:00
+20°C
17.5
52%
1020
16:00
+20°C
19.8
55%
1020
17:00
+19°C
21.4
58%
1019
18:00
+18°C
21.5
61%
1019
19:00
+17°C
20.8
64%
1019
20:00
+16°C
19.7
67%
1019
21:00
+16°C
17.9
70%
1019
22:00
+15°C
15.3
73%
1018
23:00
+14°C
13.4
76%
1018
22 July 2026, Wednesday
+14°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
12.3
78%
1018
01:00
+14°C
11.9
80%
1017
02:00
+14°C
11.7
82%
1017
03:00
+14°C
11.5
83%
1016
04:00
+14°C
11.5
85%
1015
05:00
+14°C
11.9
85%
1015
06:00
+14°C
13
84%
1014
07:00
+14°C
14.7
82%
1014
08:00
+15°C
15.9
81%
1013
09:00
+15°C
16.6
78%
1014
10:00
+16°C
17.3
75%
1013
11:00
+17°C
18
72%
1013
12:00
+17°C
18.4
70%
1012
13:00
+18°C
18.9
68%
1012
14:00
+18°C
19.1
67%
1012
15:00
+18°C
19.2
66%
1011
16:00
+18°C
19.3
65%
1011
17:00
+18°C
19.4
66%
1011
18:00
+18°C
19.3
66%
1011
19:00
+18°C
18.9
67%
1010
20:00
+17°C
18.2
68%
1010
21:00
+17°C
16.9
71%
1010
22:00
+16°C
15
75%
1010
23:00
+15°C
12.9
79%
1010
23 July 2026, Thursday
+13°C / +23°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
10.8
84%
1011
01:00
+14°C
9
89%
1011
02:00
+13°C
7.9
92%
1011
03:00
+13°C
7.6
94%
1011
04:00
+13°C
7.5
95%
1011
05:00
+14°C
7.9
95%
1011
06:00
+14°C
8.6
94%
1011
07:00
+15°C
9.2
91%
1012
08:00
+15°C
9.6
87%
1012
09:00
+16°C
9.7
79%
1012
10:00
+18°C
9.4
70%
1012
11:00
+20°C
9.4
60%
1012
12:00
+21°C
9.6
52%
1012
13:00
+22°C
9.9
47%
1012
14:00
+23°C
10.4
44%
1012
15:00
+22°C
11.8
45%
1012
16:00
+21°C
13.8
47%
1012
17:00
+20°C
16.4
52%
1013
18:00
+19°C
19.3
58%
1013
19:00
+17°C
21.8
63%
1013
20:00
+16°C
23.2
68%
1013
21:00
+16°C
23.1
71%
1013
22:00
+15°C
22.2
73%
1012
23:00
+15°C
20.4
74%
1012
24 July 2026, Friday
+14°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
18.6
75%
1012
01:00
+14°C
17.2
76%
1012
02:00
+14°C
16.4
77%
1012
03:00
+14°C
16.6
77%
1012
04:00
+14°C
17
77%
1011
05:00
+15°C
17.8
77%
1011
06:00
+15°C
18.8
77%
1011
07:00
+15°C
19.8
76%
1011
08:00
+16°C
20.6
74%
1010
09:00
+16°C
21.4
72%
1010
10:00
+17°C
22.2
69%
1010
11:00
+18°C
23.1
66%
1010
12:00
+18°C
23.9
63%
1010
13:00
+19°C
24.3
61%
1010
14:00
+19°C
24.2
59%
1010
15:00
+20°C
23.4
59%
1009
16:00
+20°C
22.1
59%
1009
17:00
+20°C
20.8
60%
1009
18:00
+20°C
19.4
61%
1008
19:00
+20°C
18.3
62%
1008
20:00
+19°C
17.3
65%
1008
21:00
+19°C
16.3
68%
1008
22:00
+18°C
15.1
74%
1007
23:00
+17°C
13.9
80%
1007
25 July 2026, Saturday
+14°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
12.8
88%
1007
01:00
+15°C
12.1
93%
1007
02:00
+14°C
11.7
97%
1007
03:00
+14°C
11.6
98%
1007
04:00
+14°C
11.5
96%
1007
05:00
+14°C
11.7
94%
1008
06:00
+15°C
12
90%
1008
07:00
+15°C
12.5
85%
1008
08:00
+16°C
13.2
81%
1008
09:00
+16°C
14.1
76%
1008
10:00
+17°C
15.5
70%
1008
11:00
+18°C
17
64%
1008
12:00
+19°C
18.5
59%
1008
13:00
+19°C
19.5
55%
1008
14:00
+20°C
19.8
52%
1008
15:00
+20°C
19.4
52%
1008
16:00
+20°C
18.6
51%
1008
17:00
+20°C
17.5
52%
1008
18:00
+20°C
15.7
53%
1008
19:00
+20°C
14
55%
1008
20:00
+19°C
12
57%
1008
21:00
+19°C
9.5
61%
1008
22:00
+18°C
6.7
66%
1007
23:00
+17°C
3.9
72%
1007
26 July 2026, Sunday
+16°C / +24°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
3.1
78%
1007
01:00
+16°C
4.9
83%
1007
02:00
+16°C
6.8
87%
1007
03:00
+16°C
8.1
88%
1006
04:00
+16°C
8.5
86%
1006
05:00
+16°C
9.1
84%
1006
06:00
+17°C
9.4
81%
1006
07:00
+17°C
10
77%
1005
08:00
+18°C
10.6
74%
1005
09:00
+19°C
11.5
70%
1005
10:00
+20°C
13
66%
1005
11:00
+21°C
14.6
62%
1005
12:00
+22°C
16.5
58%
1004
13:00
+23°C
18.1
55%
1004
14:00
+23°C
19.1
54%
1004
15:00
+24°C
19.5
53%
1004
16:00
+23°C
19.6
54%
1004
17:00
+23°C
19.3
55%
1004
18:00
+23°C
18.6
58%
1004
19:00
+22°C
17.9
60%
1003
20:00
+22°C
16.8
62%
1003
21:00
+21°C
15.6
65%
1003
22:00
+21°C
14.1
69%
1004
23:00
+20°C
12.5
74%
1004
27 July 2026, Monday
+18°C / +24°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+19°C
10.8
79%
1004
01:00
+19°C
9.1
84%
1004
02:00
+19°C
7.3
86%
1004
03:00
+18°C
5.2
88%
1004
04:00
+18°C
3.9
90%
1005
05:00
+18°C
5.4
90%
1005
06:00
+18°C
8.1
89%
1005
07:00
+18°C
10.9
87%
1006
08:00
+18°C
13
84%
1006
09:00
+19°C
14.3
79%
1006
10:00
+20°C
15.1
72%
1006
11:00
+21°C
15.5
65%
1007
12:00
+23°C
15.7
59%
1007
13:00
+24°C
15.8
54%
1007
14:00
+24°C
15.7
51%
1007
15:00
+24°C
15.2
51%
1007
16:00
+24°C
14.3
51%
1008
17:00
+23°C
13.2
53%
1008
18:00
+23°C
12
55%
1008
19:00
+22°C
11.1
58%
1008
20:00
+21°C
10.2
60%
1008
21:00
+21°C
9.7
62%
1008
22:00
+20°C
9.2
65%
1008
23:00
+19°C
8.9
67%
1008
28 July 2026, Tuesday
+15°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+18°C
8.9
70%
1008
01:00
+18°C
8.9
73%
1008
02:00
+17°C
9.3
75%
1008
03:00
+17°C
9.9
77%
1008
04:00
+16°C
10.6
79%
1008
05:00
+16°C
11.1
80%
1008
06:00
+16°C
11.8
81%
1007
07:00
+15°C
12.1
81%
1007
08:00
+15°C
12.3
80%
1007
09:00
+16°C
12.2
78%
1007
10:00
+16°C
11.8
74%
1007
11:00
+16°C
11.5
70%
1008
12:00
+17°C
11
66%
1008
13:00
+17°C
10.5
62%
1008
14:00
+18°C
10.5
59%
1008
15:00
+18°C
10.9
58%
1008
16:00
+19°C
12.2
56%
1008
17:00
+19°C
14
55%
1008
18:00
+19°C
15.9
54%
1008
19:00
+19°C
17.1
54%
1008
20:00
+19°C
17.6
55%
1008
21:00
+19°C
16.6
58%
1008
22:00
+18°C
14.8
63%
1008
23:00
+17°C
12.7
70%
1008
29 July 2026, Wednesday
+15°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
10.9
77%
1008
01:00
+15°C
10.2
84%
1008
02:00
+15°C
10.2
89%
1008
03:00
+15°C
10.2
91%
1008
04:00
+15°C
9.8
91%
1008
05:00
+15°C
9.7
89%
1008
06:00
+15°C
10
87%
1008
07:00
+16°C
10.6
84%
1008
08:00
+16°C
11.7
81%
1008
09:00
+17°C
13.3
76%
1008
10:00
+18°C
15.7
70%
1008
11:00
+19°C
18.3
64%
1008
12:00
+20°C
20.8
59%
1008
13:00
+20°C
22.7
55%
1008
14:00
+21°C
23.6
53%
1008
15:00
+21°C
23.4
53%
1008
16:00
+20°C
22.6
55%
1008
17:00
+20°C
21.4
57%
1009
18:00
+19°C
20.2
60%
1009
19:00
+18°C
19.2
63%
1009
20:00
+17°C
18.3
66%
1009
21:00
+17°C
17
70%
1009
22:00
+16°C
15
74%
1009
23:00
+15°C
13
78%
1009


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.

Sønderborg weather forecast for tomorrow
Sønderborg weather forecast for 5 days
Sønderborg monthly weather forecast
Sønderborg hourly weather forecast
Sønderborg