Luleå monthly weather forecast

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

31 August 2026, Monday
+15°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
10.8
99%
1003
01:00
+16°C
10.1
99%
1003
02:00
+16°C
9.4
97%
1002
03:00
+15°C
7.6
97%
1003
04:00
+15°C
7.6
97%
1003
05:00
+15°C
5
97%
1003
06:00
+15°C
6.1
97%
1003
07:00
+15°C
7.2
96%
1004
08:00
+16°C
6.5
95%
1004
09:00
+16°C
7.6
95%
1004
10:00
+17°C
9.7
93%
1004
11:00
+18°C
8.3
90%
1004
12:00
+18°C
10.1
89%
1004
13:00
+18°C
10.4
87%
1004
14:00
+18°C
12.2
86%
1004
15:00
+18°C
12.2
85%
1004
16:00
+17°C
10.4
86%
1004
17:00
+17°C
9.7
85%
1004
18:00
+17°C
9.7
90%
1004
19:00
+16°C
8.6
92%
1004
20:00
+16°C
9
94%
1004
21:00
+16°C
7.6
95%
1004
22:00
+16°C
5.8
96%
1004
23:00
+16°C
6.5
97%
1004
01 September 2026, Tuesday
+15°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
6.8
97%
1004
01:00
+16°C
6.5
97%
1003
02:00
+15°C
5.8
98%
1003
03:00
+15°C
6.5
99%
1003
04:00
+15°C
6.1
99%
1002
05:00
+15°C
4.3
99%
1002
06:00
+15°C
4
99%
1002
07:00
+16°C
6.8
97%
1002
08:00
+16°C
7.6
94%
1002
09:00
+17°C
10.1
93%
1002
10:00
+17°C
9
91%
1002
11:00
+17°C
8.6
87%
1002
12:00
+18°C
11.5
86%
1003
13:00
+18°C
14
86%
1003
14:00
+18°C
12.6
84%
1003
15:00
+18°C
14
86%
1003
16:00
+18°C
11.9
86%
1003
17:00
+18°C
11.2
85%
1002
18:00
+18°C
10.1
89%
1003
19:00
+17°C
7.6
91%
1003
20:00
+17°C
5.4
93%
1003
21:00
+16°C
8.6
92%
1003
22:00
+16°C
11.9
80%
1003
23:00
+15°C
11.5
82%
1003
02 September 2026, Wednesday
+12°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
10.4
82%
1003
01:00
+13°C
11.5
82%
1003
02:00
+13°C
12.2
81%
1003
03:00
+12°C
12.2
81%
1004
04:00
+12°C
11.2
82%
1004
05:00
+12°C
10.8
83%
1004
06:00
+12°C
10.1
84%
1003
07:00
+12°C
10.1
81%
1004
08:00
+13°C
9.7
77%
1004
09:00
+14°C
9.7
72%
1004
10:00
+15°C
9.4
68%
1004
11:00
+17°C
9
66%
1004
12:00
+18°C
10.4
63%
1004
13:00
+19°C
9.7
59%
1004
14:00
+19°C
8.6
54%
1004
15:00
+19°C
8.6
52%
1004
16:00
+19°C
12.2
59%
1004
17:00
+18°C
12.6
58%
1004
18:00
+18°C
11.5
66%
1003
19:00
+16°C
11
74%
1004
20:00
+14°C
8.5
82%
1004
21:00
+13°C
8.7
88%
1004
22:00
+13°C
8.5
89%
1004
23:00
+13°C
6.2
89%
1003
03 September 2026, Thursday
+12°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+13°C
5.1
89%
1003
01:00
+13°C
6.3
90%
1003
02:00
+13°C
5
89%
1003
03:00
+13°C
4.8
88%
1003
04:00
+13°C
5.7
88%
1002
05:00
+12°C
9.6
90%
1002
06:00
+13°C
10
92%
1002
07:00
+14°C
10.7
89%
1002
08:00
+14°C
11.6
90%
1002
09:00
+14°C
11
85%
1002
10:00
+15°C
11.7
74%
1002
11:00
+16°C
12.3
68%
1002
12:00
+16°C
13
69%
1001
13:00
+16°C
12.8
71%
1001
14:00
+16°C
12.2
67%
1001
15:00
+16°C
12.3
68%
1001
16:00
+16°C
11.7
71%
1001
17:00
+15°C
10.1
75%
1001
18:00
+15°C
7.6
79%
1001
19:00
+14°C
5.4
88%
1001
20:00
+13°C
3.5
91%
1002
21:00
+13°C
2.2
91%
1002
22:00
+13°C
1.2
90%
1002
23:00
+13°C
1.2
90%
1002
04 September 2026, Friday
+11°C / +14°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
3.5
92%
1002
01:00
+12°C
6.9
95%
1002
02:00
+11°C
9.6
98%
1002
03:00
+11°C
10.9
99%
1002
04:00
+11°C
11.9
98%
1002
05:00
+11°C
12.6
98%
1002
06:00
+11°C
13
98%
1002
07:00
+11°C
13
98%
1001
08:00
+12°C
13
98%
1001
09:00
+12°C
13
97%
1001
10:00
+12°C
13.5
96%
1001
11:00
+13°C
13.6
95%
1001
12:00
+13°C
12.5
94%
1001
13:00
+13°C
11.1
93%
1001
14:00
+14°C
10.1
92%
1001
15:00
+13°C
10.6
92%
1000
16:00
+13°C
11.8
93%
1000
17:00
+13°C
13.3
93%
1000
18:00
+13°C
15
94%
1000
19:00
+12°C
16.8
94%
1000
20:00
+12°C
18
94%
1000
21:00
+12°C
18.2
95%
1000
22:00
+12°C
17.6
96%
1000
23:00
+12°C
17
96%
1000
05 September 2026, Saturday
+10°C / +13°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
16.3
96%
1000
01:00
+11°C
15.6
96%
1000
02:00
+11°C
15.4
96%
1000
03:00
+11°C
15.3
96%
1000
04:00
+11°C
15.4
96%
1000
05:00
+11°C
15.8
96%
1000
06:00
+11°C
16.8
96%
1001
07:00
+11°C
18
95%
1001
08:00
+11°C
19.1
93%
1001
09:00
+12°C
19.7
89%
1001
10:00
+13°C
20.2
83%
1001
11:00
+13°C
20.6
79%
1002
12:00
+13°C
20.4
76%
1002
13:00
+13°C
19.9
74%
1003
14:00
+13°C
19.7
73%
1003
15:00
+13°C
19.8
72%
1004
16:00
+12°C
20.1
71%
1004
17:00
+12°C
20.1
71%
1004
18:00
+12°C
19.7
72%
1004
19:00
+12°C
19.1
73%
1005
20:00
+11°C
18.6
74%
1005
21:00
+11°C
18.2
75%
1005
22:00
+11°C
17.6
76%
1006
23:00
+10°C
17.3
76%
1006
06 September 2026, Sunday
+8°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
17.1
73%
1006
01:00
+10°C
16.7
73%
1006
02:00
+10°C
16.6
73%
1006
03:00
+10°C
16.4
74%
1007
04:00
+10°C
16
75%
1007
05:00
+9°C
15.9
77%
1007
06:00
+9°C
15.7
78%
1007
07:00
+9°C
15.6
79%
1007
08:00
+9°C
15.6
77%
1008
09:00
+9°C
15.7
73%
1008
10:00
+10°C
16.1
67%
1008
11:00
+11°C
16.4
60%
1008
12:00
+11°C
16.7
54%
1008
13:00
+12°C
17.1
50%
1008
14:00
+12°C
17.1
47%
1008
15:00
+12°C
16.9
46%
1008
16:00
+12°C
16.7
47%
1008
17:00
+11°C
16.6
48%
1008
18:00
+11°C
16.5
49%
1008
19:00
+10°C
16.3
51%
1008
20:00
+10°C
15.7
53%
1008
21:00
+9°C
14.7
57%
1008
22:00
+9°C
13.3
61%
1008
23:00
+8°C
11.8
66%
1008
07 September 2026, Monday
+7°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+8°C
10.8
71%
1008
01:00
+7°C
10.3
76%
1008
02:00
+7°C
10.2
79%
1008
03:00
+7°C
10.1
79%
1008
04:00
+7°C
10
78%
1008
05:00
+7°C
9.8
76%
1008
06:00
+7°C
9.7
74%
1008
07:00
+7°C
9.8
71%
1008
08:00
+8°C
9.8
67%
1007
09:00
+8°C
9.9
64%
1007
10:00
+9°C
10
59%
1007
11:00
+10°C
10.1
55%
1007
12:00
+11°C
10.5
51%
1007
13:00
+11°C
10.5
48%
1007
14:00
+12°C
10.2
48%
1007
15:00
+12°C
9.2
49%
1007
16:00
+12°C
7.7
53%
1006
17:00
+11°C
6
58%
1006
18:00
+10°C
4.2
63%
1006
19:00
+10°C
2.6
68%
1006
20:00
+10°C
1.8
71%
1006
21:00
+10°C
2.4
72%
1006
22:00
+9°C
3.9
71%
1006
23:00
+9°C
6.1
69%
1007
08 September 2026, Tuesday
+9°C / +11°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+9°C
8
67%
1007
01:00
+9°C
9.6
65%
1007
02:00
+9°C
10.6
63%
1007
03:00
+9°C
10.8
63%
1007
04:00
+9°C
10.7
63%
1007
05:00
+9°C
10.3
63%
1008
06:00
+9°C
10
63%
1008
07:00
+9°C
9.7
63%
1008
08:00
+9°C
9.5
62%
1008
09:00
+9°C
9.2
60%
1008
10:00
+9°C
8.8
58%
1008
11:00
+10°C
8.5
56%
1009
12:00
+10°C
7.8
54%
1009
13:00
+11°C
7.3
53%
1009
14:00
+11°C
6.6
53%
1009
15:00
+11°C
5.9
54%
1009
16:00
+11°C
4.9
56%
1009
17:00
+10°C
4
60%
1009
18:00
+10°C
3.1
63%
1009
19:00
+10°C
2.3
67%
1009
20:00
+9°C
1.9
69%
1009
21:00
+9°C
1.8
71%
1009
22:00
+9°C
2.7
73%
1008
23:00
+9°C
3.8
75%
1008
09 September 2026, Wednesday
+9°C / +11°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+9°C
5.2
77%
1008
01:00
+9°C
6.3
78%
1008
02:00
+9°C
7.3
78%
1008
03:00
+9°C
8
78%
1007
04:00
+9°C
8.5
76%
1007
05:00
+10°C
9
75%
1007
06:00
+10°C
9.5
73%
1007
07:00
+10°C
10.1
72%
1006
08:00
+10°C
10.6
71%
1006
09:00
+10°C
11.3
70%
1006
10:00
+11°C
11.9
70%
1005
11:00
+11°C
12.8
71%
1005
12:00
+11°C
13.4
71%
1005
13:00
+11°C
14
72%
1004
14:00
+11°C
14.5
72%
1004
15:00
+11°C
14.6
73%
1004
16:00
+11°C
14.7
74%
1003
17:00
+11°C
14.7
76%
1003
18:00
+11°C
14.7
77%
1003
19:00
+11°C
14.9
78%
1002
20:00
+11°C
15.5
78%
1002
21:00
+11°C
16.4
78%
1001
22:00
+11°C
17.4
77%
1001
23:00
+11°C
18.8
76%
1000
10 September 2026, Thursday
+10°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
20.1
75%
1000
01:00
+12°C
21.3
74%
1000
02:00
+12°C
22.1
74%
999
03:00
+12°C
22.8
75%
999
04:00
+12°C
23.4
75%
998
05:00
+12°C
23.9
76%
998
06:00
+12°C
24.6
78%
998
07:00
+11°C
25.4
80%
998
08:00
+11°C
26.2
81%
997
09:00
+11°C
27
83%
997
10:00
+11°C
28
85%
997
11:00
+11°C
28.8
87%
996
12:00
+11°C
29.5
88%
996
13:00
+10°C
30
90%
996
14:00
+11°C
29.9
91%
995
15:00
+11°C
29.2
92%
995
16:00
+11°C
28
93%
995
17:00
+11°C
26.5
93%
994
18:00
+12°C
24.8
93%
994
19:00
+12°C
22.9
93%
994
20:00
+12°C
21.2
93%
993
21:00
+12°C
19.3
94%
993
22:00
+12°C
17.4
94%
993
23:00
+12°C
15.4
95%
993
11 September 2026, Friday
+10°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
13.7
95%
993
01:00
+12°C
12.1
95%
993
02:00
+12°C
11.3
96%
993
03:00
+11°C
11.2
96%
993
04:00
+11°C
12.2
97%
993
05:00
+11°C
13.8
97%
992
06:00
+11°C
15.8
98%
992
07:00
+11°C
17.5
98%
992
08:00
+11°C
18.7
98%
992
09:00
+11°C
19.3
98%
992
10:00
+11°C
19.2
98%
992
11:00
+11°C
19
98%
993
12:00
+11°C
18.5
98%
993
13:00
+11°C
18.1
97%
993
14:00
+11°C
18
97%
994
15:00
+11°C
18
96%
994
16:00
+11°C
18.4
94%
994
17:00
+11°C
18.8
93%
995
18:00
+11°C
19.4
92%
995
19:00
+10°C
19.9
90%
996
20:00
+10°C
20.5
89%
996
21:00
+10°C
20.8
89%
997
22:00
+10°C
21
89%
997
23:00
+10°C
21.1
89%
998
12 September 2026, Saturday
+9°C / +13°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+10°C
21.1
89%
998
01:00
+10°C
21.2
89%
999
02:00
+10°C
21
88%
999
03:00
+10°C
20.7
86%
1000
04:00
+10°C
20.2
85%
1000
05:00
+10°C
19.6
83%
1001
06:00
+10°C
19.1
81%
1002
07:00
+10°C
18.6
78%
1002
08:00
+10°C
18.3
75%
1003
09:00
+11°C
18.5
72%
1003
10:00
+11°C
19.1
69%
1004
11:00
+12°C
19.7
66%
1005
12:00
+12°C
20.3
62%
1006
13:00
+13°C
20.5
60%
1006
14:00
+13°C
20.3
58%
1007
15:00
+13°C
19.3
58%
1007
16:00
+12°C
17.5
59%
1008
17:00
+12°C
15.4
59%
1008
18:00
+12°C
13.6
61%
1008
19:00
+11°C
12
63%
1009
20:00
+11°C
11
64%
1009
21:00
+10°C
11
66%
1009
22:00
+10°C
11.3
68%
1010
23:00
+9°C
12.2
70%
1010
13 September 2026, Sunday
+7°C / +15°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+8°C
13.1
73%
1011
01:00
+8°C
14
74%
1011
02:00
+8°C
14.7
75%
1012
03:00
+7°C
14.9
75%
1012
04:00
+7°C
15.2
75%
1012
05:00
+7°C
15.3
74%
1012
06:00
+7°C
15.3
72%
1013
07:00
+8°C
15.3
70%
1013
08:00
+8°C
15.3
68%
1013
09:00
+9°C
15.6
63%
1013
10:00
+10°C
16
58%
1014
11:00
+11°C
16.5
53%
1014
12:00
+13°C
16.8
48%
1014
13:00
+14°C
16.9
45%
1014
14:00
+14°C
16.3
44%
1015
15:00
+15°C
14.9
46%
1015
16:00
+14°C
12.9
49%
1015
17:00
+14°C
10.5
54%
1016
18:00
+13°C
8.5
60%
1016
19:00
+12°C
6.7
66%
1016
20:00
+11°C
5.7
70%
1017
21:00
+11°C
4.9
73%
1017
22:00
+10°C
4.7
74%
1017
23:00
+10°C
5.2
75%
1018


Climate Characteristics of Luleå

The Frozen Bothnian Sea

Luleå’s most unique feature is its relationship with the sea. Unlike inland Kiruna, Luleå is a northern coastal city. In winter, the Gulf of Bothnia freezes completely, allowing the city to create "ice roads" (Isbanan)—wide tracks on the sea for skating, cycling, and even cars. Sea winds can be strong, but the water also moderates extreme temperature drops compared to the deep interior.

Winter of Light and Ice

Winter is long and stable, with temperatures typically between -7°C and -12°C (10-19°F). Unlike Kiruna, Luleå does not have a total Polar Night, but daylight is very limited in December. The snow is dry and stays for months, while the city remains one of the sunniest spots in northern Sweden during spring and summer.

The Archipelago Summer

With over 1,300 islands, summer is dedicated to the sea. Temperatures are pleasant, around 19-22°C (66-72°F). Due to the long daylight hours in June and July, the shallow coastal waters can warm up enough for swimming. The sun barely sets at the peak of the season.

Weather in Luleå by Month

January

The coldest month. -8°C (18°F) daytime and -15°C (5°F) at night. The sea is fully frozen. Daylight is minimal (approx. 4 hours), but the ice roads open for winter activities.

February

Stable, sunny winter. -7°C (19°F) daytime. Clear skies and brilliant sun reflecting off the ice. The best month for skating on the frozen sea under deep blue skies.

March

"Spring-Winter" (Vårvinter). -2°C (28°F) daytime. Temperatures rise but everything remains white. Strong sun and rapidly lengthening days make being outdoors very enjoyable.

April

The big thaw. 4°C (39°F) daytime. Snow disappears from streets and sea ice begins to break. Volatile weather with cold winds and occasional sleet.

May

Rapid awakening. 11°C (52°F) daytime. Once the ice is gone, nature turns green. High sunshine hours and clear maritime air make it a great time for birdwatching.

June

Month of White Nights. 17°C (63°F) daytime. The sun barely sets (approx. 23 hours of light). The archipelago wakes up; comfortable temperatures and fresh vegetation.

July

The warmest month. 21°C (70°F) daytime and 12°C (54°F) at night. Sunny and warm. Peak time for boating and swimming in shallow bays.

August

Refreshing summer. 19°C (66°F) daytime. Nights cool down and darkness gradually returns. Sea water is at its warmest, and morning mists are common.

September

Colorful, crisp autumn. 13°C (55°F) daytime. Yellow and orange foliage appears on the islands. Northern Lights reappear as the dark nights return.

October

Rapid cooling. 6°C (43°F) daytime. Days shorten and rains turn cold. First snow usually falls toward the end of the month as harbor waters begin to freeze.

November

Dark and grey. -1°C (30°F) daytime and -5°C (23°F) at night. Almost no sun. Snow starts to accumulate, brightening the city.

December

True winter and lights. -5°C (23°F) daytime and -11°C (12°F) at night. Daylight is at its minimum (approx. 3 hours). Festive lights glow and sea ice thickens.

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