Roskilde monthly weather forecast
Monthly weather forecast for Roskilde. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed
31 August 2026, Monday
+13°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
11.5
89%
1007
01:00
+15°C
11.9
93%
1007
02:00
+15°C
11.2
95%
1007
03:00
+15°C
12.2
97%
1007
04:00
+14°C
7.9
98%
1007
05:00
+13°C
7.6
98%
1006
06:00
+13°C
8.3
98%
1006
07:00
+14°C
6.8
97%
1005
08:00
+15°C
10.1
96%
1005
09:00
+16°C
12.2
94%
1005
10:00
+17°C
15.5
93%
1005
11:00
+19°C
18
89%
1005
12:00
+19°C
15.5
86%
1004
13:00
+20°C
15.8
82%
1004
14:00
+21°C
21.6
76%
1004
15:00
+20°C
20.5
75%
1004
16:00
+21°C
19.1
76%
1003
17:00
+20°C
19.8
81%
1003
18:00
+20°C
19.8
85%
1004
19:00
+19°C
14.8
90%
1004
20:00
+18°C
9.7
92%
1004
21:00
+17°C
14
94%
1004
22:00
+16°C
8.3
97%
1004
23:00
+15°C
8.3
97%
1005
01 September 2026, Tuesday
+14°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
10.1
98%
1005
01:00
+15°C
12.6
95%
1005
02:00
+14°C
11.5
97%
1005
03:00
+14°C
11.5
98%
1005
04:00
+15°C
12.2
98%
1005
05:00
+15°C
12.2
98%
1006
06:00
+14°C
11.9
97%
1006
07:00
+15°C
10.4
98%
1007
08:00
+15°C
14.4
96%
1007
09:00
+16°C
11.9
94%
1008
10:00
+17°C
10.4
94%
1008
11:00
+18°C
13.7
90%
1008
12:00
+18°C
16.6
88%
1009
13:00
+19°C
13.7
78%
1009
14:00
+20°C
15.5
79%
1009
15:00
+20°C
16.2
76%
1010
16:00
+20°C
15.5
74%
1010
17:00
+19°C
17.3
76%
1010
18:00
+19°C
16.6
76%
1010
19:00
+19°C
18
78%
1010
20:00
+18°C
16.2
82%
1011
21:00
+17°C
12.2
84%
1011
22:00
+16°C
12.6
90%
1011
23:00
+16°C
14
95%
1012
02 September 2026, Wednesday
+14°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
13.7
94%
1012
01:00
+15°C
23.4
88%
1012
02:00
+14°C
15.5
78%
1012
03:00
+14°C
9.4
84%
1013
04:00
+14°C
11.5
87%
1013
05:00
+14°C
12.6
91%
1012
06:00
+14°C
12.6
95%
1012
07:00
+15°C
13.3
93%
1012
08:00
+15°C
15.8
88%
1012
09:00
+16°C
19.4
84%
1013
10:00
+18°C
20.5
83%
1013
11:00
+18°C
20.9
82%
1013
12:00
+19°C
24.5
75%
1013
13:00
+20°C
25.2
71%
1012
14:00
+20°C
19.8
89%
1013
15:00
+19°C
21.6
87%
1013
16:00
+20°C
23.4
86%
1012
17:00
+19°C
15.8
93%
1013
18:00
+19°C
20.5
88%
1012
19:00
+18°C
16.8
91%
1012
20:00
+17°C
12.6
92%
1012
21:00
+15°C
13.4
91%
1012
22:00
+15°C
14.4
92%
1012
23:00
+15°C
14.1
92%
1012
03 September 2026, Thursday
+14°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
13.4
93%
1012
01:00
+14°C
12
95%
1012
02:00
+14°C
10.5
95%
1012
03:00
+14°C
10.4
96%
1012
04:00
+14°C
10.2
96%
1011
05:00
+14°C
10.3
96%
1011
06:00
+14°C
12.7
97%
1011
07:00
+14°C
13.8
97%
1010
08:00
+15°C
14.2
97%
1010
09:00
+16°C
16.1
94%
1009
10:00
+16°C
17.5
90%
1009
11:00
+17°C
20.1
92%
1008
12:00
+16°C
19
95%
1007
13:00
+16°C
18.3
95%
1006
14:00
+18°C
18.1
91%
1005
15:00
+18°C
19.6
93%
1005
16:00
+19°C
22.9
82%
1005
17:00
+19°C
22
80%
1005
18:00
+18°C
19.7
85%
1005
19:00
+18°C
16.6
84%
1006
20:00
+17°C
16.8
90%
1006
21:00
+16°C
16.2
93%
1007
22:00
+16°C
16.2
95%
1007
23:00
+16°C
16.2
97%
1007
04 September 2026, Friday
+14°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
16.2
97%
1007
01:00
+15°C
16.3
97%
1007
02:00
+15°C
16.4
97%
1007
03:00
+15°C
16.2
97%
1007
04:00
+15°C
15.8
97%
1007
05:00
+15°C
14.8
97%
1007
06:00
+15°C
13.4
97%
1006
07:00
+15°C
12.3
97%
1006
08:00
+15°C
11.5
97%
1005
09:00
+15°C
11.9
97%
1004
10:00
+15°C
14.2
97%
1002
11:00
+15°C
14.3
97%
1000
12:00
+15°C
7.9
97%
1000
13:00
+16°C
2.4
98%
999
14:00
+16°C
10.5
95%
999
15:00
+17°C
15.3
87%
1000
16:00
+18°C
19.8
76%
1001
17:00
+18°C
22.7
70%
1002
18:00
+18°C
21.5
70%
1003
19:00
+17°C
17.9
73%
1004
20:00
+16°C
14.9
77%
1004
21:00
+16°C
13.9
81%
1004
22:00
+15°C
13.8
85%
1005
23:00
+14°C
14.3
89%
1005
05 September 2026, Saturday
+14°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
15
91%
1005
01:00
+14°C
16.1
93%
1005
02:00
+14°C
16.9
93%
1005
03:00
+14°C
17.2
92%
1006
04:00
+14°C
17
91%
1006
05:00
+14°C
17.2
89%
1006
06:00
+14°C
17.5
89%
1007
07:00
+15°C
18.1
88%
1007
08:00
+15°C
19.2
85%
1007
09:00
+16°C
21.2
78%
1008
10:00
+17°C
24.1
71%
1008
11:00
+18°C
26.3
65%
1009
12:00
+19°C
27.4
64%
1009
13:00
+19°C
27.7
64%
1010
14:00
+19°C
27.8
63%
1010
15:00
+19°C
27.9
62%
1011
16:00
+19°C
27.5
60%
1011
17:00
+18°C
26.7
60%
1012
18:00
+18°C
25.4
64%
1012
19:00
+17°C
23.6
69%
1013
20:00
+16°C
22.1
75%
1013
21:00
+15°C
21.2
78%
1014
22:00
+15°C
20.4
80%
1014
23:00
+15°C
19.8
82%
1015
06 September 2026, Sunday
+14°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
19.3
83%
1015
01:00
+14°C
18.7
85%
1015
02:00
+14°C
18
86%
1015
03:00
+14°C
17.1
87%
1016
04:00
+14°C
16.2
89%
1016
05:00
+14°C
15.3
89%
1016
06:00
+14°C
14.4
89%
1016
07:00
+14°C
13.7
89%
1016
08:00
+14°C
13.2
87%
1016
09:00
+15°C
13.2
82%
1016
10:00
+16°C
13.7
76%
1016
11:00
+17°C
14.5
69%
1016
12:00
+17°C
15.1
64%
1016
13:00
+18°C
15.3
60%
1016
14:00
+18°C
14.9
59%
1016
15:00
+18°C
13.5
61%
1015
16:00
+18°C
11.6
66%
1015
17:00
+17°C
9.3
73%
1014
18:00
+16°C
7.4
81%
1014
19:00
+15°C
6.3
88%
1014
20:00
+15°C
6.1
94%
1013
21:00
+15°C
6.7
97%
1013
22:00
+14°C
7.6
97%
1012
23:00
+14°C
8.5
97%
1012
07 September 2026, Monday
+14°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
9.5
97%
1011
01:00
+14°C
10.3
96%
1011
02:00
+14°C
10.5
96%
1010
03:00
+15°C
10.5
96%
1009
04:00
+15°C
10.4
97%
1009
05:00
+15°C
10.1
97%
1008
06:00
+15°C
10.1
97%
1007
07:00
+15°C
10.6
97%
1007
08:00
+16°C
11.3
96%
1006
09:00
+17°C
12.7
94%
1006
10:00
+18°C
15
91%
1006
11:00
+19°C
17.7
87%
1006
12:00
+20°C
20.6
84%
1006
13:00
+21°C
22.7
81%
1006
14:00
+21°C
23.8
79%
1006
15:00
+21°C
23.8
78%
1006
16:00
+20°C
22.9
78%
1007
17:00
+20°C
21.9
77%
1007
18:00
+19°C
21
78%
1008
19:00
+18°C
20.3
78%
1008
20:00
+17°C
19.7
79%
1008
21:00
+17°C
18.3
81%
1009
22:00
+16°C
16.1
83%
1009
23:00
+15°C
13.6
86%
1010
08 September 2026, Tuesday
+12°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
10.9
89%
1010
01:00
+13°C
8.6
92%
1011
02:00
+13°C
6.8
94%
1011
03:00
+12°C
5.6
95%
1011
04:00
+12°C
4.8
97%
1011
05:00
+12°C
4.4
98%
1011
06:00
+12°C
4.5
99%
1011
07:00
+12°C
4.8
98%
1011
08:00
+13°C
5.5
97%
1011
09:00
+13°C
6.4
94%
1011
10:00
+14°C
7.4
90%
1011
11:00
+15°C
8.5
85%
1010
12:00
+16°C
9.6
80%
1010
13:00
+17°C
10.5
77%
1010
14:00
+17°C
11.4
76%
1009
15:00
+17°C
12.5
77%
1009
16:00
+16°C
14
80%
1008
17:00
+16°C
15.8
84%
1007
18:00
+15°C
17.4
89%
1006
19:00
+14°C
18.7
93%
1005
20:00
+14°C
18.8
96%
1005
21:00
+14°C
17.9
98%
1004
22:00
+15°C
15.8
98%
1004
23:00
+15°C
13.5
98%
1003
09 September 2026, Wednesday
+16°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
11.7
98%
1002
01:00
+16°C
11.2
97%
1002
02:00
+17°C
11.6
97%
1001
03:00
+17°C
12.8
97%
1001
04:00
+17°C
14.2
97%
1000
05:00
+17°C
15.6
98%
1000
06:00
+17°C
16.9
97%
999
07:00
+17°C
18
97%
999
08:00
+17°C
18.8
97%
998
09:00
+17°C
19.1
96%
998
10:00
+17°C
19.1
96%
998
11:00
+17°C
19.2
95%
998
12:00
+17°C
19.3
94%
998
13:00
+17°C
19.4
92%
998
14:00
+17°C
19.6
90%
998
15:00
+17°C
19.7
86%
998
16:00
+17°C
19.6
81%
998
17:00
+17°C
19.4
77%
999
18:00
+17°C
19
73%
999
19:00
+17°C
18.6
69%
1000
20:00
+17°C
18.4
67%
1000
21:00
+16°C
18.1
67%
1000
22:00
+16°C
17.8
68%
1000
23:00
+16°C
17.7
70%
1000
10 September 2026, Thursday
+14°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
17.8
72%
1000
01:00
+16°C
18.2
74%
1000
02:00
+16°C
18.6
76%
999
03:00
+16°C
19
78%
999
04:00
+16°C
19.5
80%
999
05:00
+16°C
19.8
82%
999
06:00
+16°C
20.1
83%
999
07:00
+16°C
20.5
83%
999
08:00
+16°C
20.9
82%
999
09:00
+17°C
21.7
78%
999
10:00
+17°C
22.8
73%
999
11:00
+18°C
24.2
67%
1000
12:00
+19°C
25.7
62%
1000
13:00
+20°C
27
58%
1000
14:00
+20°C
27.3
56%
1001
15:00
+20°C
26.5
57%
1001
16:00
+19°C
24.8
59%
1001
17:00
+18°C
22.5
63%
1002
18:00
+17°C
20.1
67%
1002
19:00
+17°C
17.8
71%
1002
20:00
+16°C
16.3
75%
1002
21:00
+15°C
15.4
78%
1003
22:00
+15°C
15.1
80%
1003
23:00
+14°C
14.8
83%
1003
11 September 2026, Friday
+11°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
14.8
85%
1004
01:00
+13°C
14.7
87%
1004
02:00
+13°C
14.4
87%
1004
03:00
+13°C
14
88%
1005
04:00
+13°C
13.3
87%
1005
05:00
+13°C
12.6
86%
1005
06:00
+13°C
12.2
84%
1005
07:00
+13°C
11.9
83%
1006
08:00
+13°C
12.1
80%
1006
09:00
+14°C
12.8
76%
1006
10:00
+14°C
14.2
71%
1007
11:00
+15°C
16.1
66%
1007
12:00
+16°C
17.8
61%
1008
13:00
+16°C
18.8
58%
1008
14:00
+17°C
18.8
57%
1009
15:00
+16°C
17.5
57%
1009
16:00
+16°C
14.9
60%
1009
17:00
+15°C
12
63%
1009
18:00
+14°C
9
67%
1009
19:00
+13°C
6.6
71%
1009
20:00
+13°C
5.2
75%
1009
21:00
+12°C
4.3
77%
1009
22:00
+12°C
3.6
79%
1009
23:00
+11°C
3.1
80%
1009
12 September 2026, Saturday
+10°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
2.6
82%
1009
01:00
+11°C
2.4
83%
1009
02:00
+10°C
2.3
84%
1009
03:00
+10°C
2.4
85%
1009
04:00
+11°C
2.4
87%
1009
05:00
+11°C
2.8
88%
1008
06:00
+11°C
3.7
89%
1008
07:00
+11°C
4.6
88%
1008
08:00
+12°C
5.3
86%
1008
09:00
+13°C
6
81%
1008
10:00
+14°C
6.5
74%
1009
11:00
+15°C
7
66%
1009
12:00
+16°C
7.2
60%
1010
13:00
+17°C
7.4
56%
1011
14:00
+17°C
7.2
54%
1011
15:00
+17°C
6.8
55%
1012
16:00
+16°C
6.2
59%
1012
17:00
+15°C
5.4
64%
1013
18:00
+14°C
4.8
71%
1013
19:00
+13°C
4.2
78%
1014
20:00
+13°C
4
82%
1014
21:00
+12°C
3.9
86%
1014
22:00
+11°C
3.8
88%
1015
23:00
+10°C
3.6
90%
1015
13 September 2026, Sunday
+9°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+10°C
3.7
90%
1015
01:00
+9°C
3.5
91%
1016
02:00
+9°C
3.5
91%
1016
03:00
+9°C
3.3
91%
1016
04:00
+9°C
3.1
92%
1017
05:00
+9°C
3
91%
1017
06:00
+9°C
2.8
90%
1017
07:00
+10°C
2.8
89%
1017
08:00
+11°C
3.3
85%
1017
09:00
+12°C
4.1
79%
1018
10:00
+13°C
5.4
72%
1018
11:00
+15°C
6.7
65%
1018
12:00
+17°C
7.9
58%
1018
13:00
+18°C
9
54%
1018
14:00
+18°C
9.4
53%
1019
15:00
+18°C
9.2
54%
1019
16:00
+18°C
8.6
58%
1019
17:00
+16°C
7.6
63%
1018
18:00
+15°C
6.9
70%
1018
19:00
+14°C
6.1
76%
1018
20:00
+13°C
5.7
81%
1018
21:00
+12°C
5.5
85%
1018
22:00
+12°C
5.3
88%
1019
23:00
+11°C
5.3
90%
1019
Climate Characteristics of Roskilde
General Overview
Roskilde features a temperate oceanic climate. Situated along the Roskilde Fjord, it is somewhat sheltered from harsh open-sea winds but still experiences typically Danish weather: unpredictable, humid, and rainy year-round. Temperatures are very similar to nearby Copenhagen.
Summer Season (June to August)
Summer in Roskilde is pleasant and relatively cool. Daytime temperatures range between 20°C and 22°C (68-72°F). This is a perfect time to visit the Viking Ship Museum and the famous Cathedral. Late June and early July are especially vibrant due to the renowned Roskilde Festival, though attendees know there is always a chance of sudden showers.
Winter Season (December to February)
Winter is cold, grey, and wet. Daytime temperatures range from 2°C to 4°C (36-39°F), and nighttime lows often drop below freezing. High humidity combined with fjord winds can make the cold feel much sharper. Snow falls occasionally but usually melts quickly.
Precipitation and Wind
Rain falls in Roskilde throughout the year. August is considered one of the wettest months, while spring tends to be slightly drier and clearer. Fjord winds are particularly felt around the harbor and the open-air museum areas.
Weather in Roskilde by Month
January
Cold, grey, and dark. 2°C (36°F) daytime. Freezing nights, and visibility in the fjord is sometimes limited by fog.
February
Wintry and cool (3°C/37°F daytime). Usually the month with less precipitation, but the cold is steady.
March
Start of spring. 6°C (43°F) daytime. Days lengthen, and the sun begins to appear more.
April
Volatile (11°C/52°F daytime). Sunny days quickly shift to rain showers or cold winds.
May
A lovely month. 16°C (61°F) daytime. Blooms around the Cathedral are spectacular and temperatures comfortable.
June
Very long days. 20°C (68°F) daytime. Ideal time for fjord sailing and harbor walks.
July
The warmest month. 22°C (72°F) daytime. Perfect for outdoor activities, though always carry an umbrella.
August
Warm and rainy (21°C/70°F daytime). Humid weather with a high chance of showers.
September
Start of autumn. 17°C (63°F) daytime. The air becomes cooler and fresher, and colors change.
October
Autumnal, wet, and grey (12°C/54°F daytime). Beautiful fall foliage along the fjord and in parks.
November
Cool, dark, and windy. 7°C (45°F) daytime. Early darkness and high humidity.
December
Wintry and festive. 4°C (39°F) daytime. Christmas markets and the historical atmosphere warm the heart.