Ushuaia monthly weather forecast

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

31 August 2026, Monday
+1°C / +4°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+1°C
6.9
89%
977
01:00
+1°C
8.6
88%
976
02:00
+2°C
8.3
88%
976
03:00
+1°C
8.5
88%
975
04:00
+1°C
9.2
89%
974
05:00
+2°C
7
88%
974
06:00
+2°C
10.3
85%
973
07:00
+2°C
9.5
84%
973
08:00
+1°C
6.6
85%
973
09:00
+1°C
6.7
83%
973
10:00
+2°C
5.7
81%
973
11:00
+3°C
4.1
75%
973
12:00
+3°C
5.8
74%
973
13:00
+4°C
5.6
72%
974
14:00
+4°C
10.2
70%
974
15:00
+4°C
11.5
74%
975
16:00
+4°C
16.1
73%
976
17:00
+3°C
14.7
74%
977
18:00
+2°C
12.5
79%
978
19:00
+1°C
9.8
86%
979
20:00
+1°C
9.7
86%
980
21:00
+1°C
7.4
86%
981
22:00
+1°C
3.7
89%
981
23:00
+1°C
1.8
88%
982
01 September 2026, Tuesday
--4°C / +4°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+1°C
3.4
89%
983
01:00
0
4.1
90%
983
02:00
-1
4.6
89%
983
03:00
-1
3.1
88%
983
04:00
-1
3.4
88%
983
05:00
-1
3.5
87%
983
06:00
-1
5.4
84%
984
07:00
-3
8.2
85%
984
08:00
-4
10.8
85%
984
09:00
-4
11.7
85%
984
10:00
-1
10
83%
984
11:00
+1°C
8.6
78%
985
12:00
+2°C
8.1
76%
985
13:00
+3°C
6.9
69%
985
14:00
+3°C
8
62%
984
15:00
+4°C
9.1
59%
984
16:00
+4°C
7.8
61%
983
17:00
+3°C
7.6
64%
983
18:00
+3°C
5.3
71%
983
19:00
+1°C
2.8
77%
983
20:00
+1°C
2.3
77%
983
21:00
+1°C
4
78%
982
22:00
0
6.3
81%
981
23:00
+1°C
8.3
82%
981
02 September 2026, Wednesday
--1°C / +4°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+1°C
8.4
81%
980
01:00
+1°C
9.2
80%
979
02:00
+1°C
10.2
82%
978
03:00
+1°C
12.2
81%
977
04:00
+1°C
14.2
80%
976
05:00
+2°C
15.2
79%
975
06:00
+2°C
14.3
79%
974
07:00
+2°C
11.7
80%
973
08:00
+1°C
5.7
83%
974
09:00
+1°C
3.4
86%
974
10:00
+2°C
3.6
80%
975
11:00
+3°C
4
74%
976
12:00
+4°C
3.4
71%
976
13:00
+4°C
6.5
69%
976
14:00
+4°C
9.5
73%
976
15:00
+3°C
10.2
81%
976
16:00
+3°C
6.7
87%
977
17:00
+2°C
7.1
90%
978
18:00
+1°C
7
95%
979
19:00
+1°C
5.1
97%
980
20:00
+1°C
4.9
95%
981
21:00
0
5.8
91%
982
22:00
-0
6.4
87%
982
23:00
-1
7
90%
983
03 September 2026, Thursday
--3°C / +3°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
-1
7.6
94%
984
01:00
-1
4.7
92%
985
02:00
-1
2.2
91%
986
03:00
-1
2.1
88%
986
04:00
-1
0.4
88%
986
05:00
-2
2.3
89%
986
06:00
-2
5.6
90%
986
07:00
-3
7.9
91%
986
08:00
-2
9.1
87%
986
09:00
-2
9.9
88%
986
10:00
-0
8.3
84%
985
11:00
+1°C
7.3
77%
985
12:00
+1°C
6.9
77%
984
13:00
+2°C
5.2
75%
984
14:00
+3°C
4.8
75%
983
15:00
+3°C
3.3
75%
982
16:00
+3°C
3.8
77%
982
17:00
+3°C
5.4
81%
982
18:00
+3°C
7.4
84%
982
19:00
+3°C
9.5
85%
983
20:00
+3°C
11.6
85%
984
21:00
+3°C
13.5
86%
985
22:00
+3°C
15.2
87%
986
23:00
+3°C
16.8
89%
987
04 September 2026, Friday
0°C / +3°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+2°C
18.1
91%
988
01:00
+2°C
19.4
90%
990
02:00
+2°C
20.4
90%
992
03:00
+2°C
21.1
89%
994
04:00
+1°C
21.2
88%
995
05:00
+1°C
21
88%
997
06:00
+1°C
20.9
87%
999
07:00
0
20
85%
1000
08:00
0
18.6
82%
1002
09:00
0
17.3
79%
1003
10:00
+1°C
16
75%
1004
11:00
+1°C
14.6
71%
1005
12:00
+1°C
12.2
68%
1006
13:00
+2°C
8.3
66%
1006
14:00
+2°C
4.3
63%
1007
15:00
+3°C
3.3
62%
1007
16:00
+3°C
3.2
63%
1007
17:00
+2°C
2.8
64%
1007
18:00
+2°C
2.9
67%
1007
19:00
+2°C
4.1
71%
1007
20:00
+2°C
5.8
77%
1007
21:00
+1°C
7
82%
1008
22:00
+1°C
7.1
83%
1007
23:00
+1°C
6.6
82%
1007
05 September 2026, Saturday
-0°C / +6°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
0
5.8
82%
1007
01:00
+1°C
4.7
81%
1007
02:00
+1°C
5.4
80%
1008
03:00
+2°C
6.8
80%
1008
04:00
+2°C
7.1
80%
1008
05:00
+2°C
7.2
81%
1008
06:00
+2°C
7.5
81%
1008
07:00
+2°C
7.7
81%
1008
08:00
+2°C
7.8
81%
1008
09:00
+2°C
7.5
80%
1008
10:00
+3°C
6.6
77%
1008
11:00
+5°C
5.7
74%
1008
12:00
+6°C
5.2
71%
1008
13:00
+6°C
4.7
69%
1008
14:00
+6°C
4
68%
1007
15:00
+6°C
3.8
68%
1007
16:00
+6°C
3.9
71%
1007
17:00
+5°C
4
76%
1007
18:00
+4°C
3.5
80%
1007
19:00
+3°C
2.6
79%
1006
20:00
+1°C
3.2
82%
1006
21:00
+1°C
3.7
84%
1005
22:00
0
3.8
84%
1005
23:00
-0
3.6
84%
1004
06 September 2026, Sunday
--4°C / +5°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
-0
3.1
82%
1004
01:00
-0
2.7
81%
1003
02:00
-1
2.3
80%
1003
03:00
-1
2.3
80%
1002
04:00
-1
2.7
81%
1002
05:00
-2
3.4
82%
1001
06:00
-3
4.3
85%
1001
07:00
-4
5
87%
1001
08:00
-4
5.6
88%
1000
09:00
-4
5.8
87%
1000
10:00
-3
5.4
84%
1000
11:00
-1
4.8
78%
1000
12:00
+1°C
3.8
72%
999
13:00
+3°C
2.9
67%
999
14:00
+4°C
1.9
63%
999
15:00
+5°C
1.6
62%
999
16:00
+5°C
1.5
63%
998
17:00
+5°C
1.8
65%
998
18:00
+4°C
2.2
69%
998
19:00
+3°C
2.7
74%
997
20:00
+2°C
3.1
78%
997
21:00
+1°C
3.5
82%
997
22:00
0
3.7
84%
997
23:00
0
4.1
86%
996
07 September 2026, Monday
--4°C / +4°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
-0
4.3
87%
996
01:00
-1
4.8
88%
995
02:00
-1
5.2
89%
995
03:00
-1
5.6
89%
994
04:00
-2
6
89%
994
05:00
-2
6.6
89%
994
06:00
-3
7
88%
993
07:00
-4
7.4
87%
993
08:00
-4
7.6
86%
992
09:00
-4
7.5
84%
992
10:00
-3
7
81%
992
11:00
-1
6.1
77%
991
12:00
+1°C
5.1
73%
991
13:00
+2°C
4
69%
990
14:00
+4°C
3.2
67%
990
15:00
+4°C
2.8
66%
990
16:00
+4°C
2.9
68%
989
17:00
+3°C
3.5
71%
989
18:00
+2°C
4.3
75%
988
19:00
+1°C
5.2
80%
988
20:00
-0
6
84%
987
21:00
-1
6.4
87%
987
22:00
-1
6.4
89%
986
23:00
-1
6
89%
985
08 September 2026, Tuesday
--1°C / +5°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
-1
5.5
88%
984
01:00
-1
5
87%
984
02:00
-0
4.7
85%
983
03:00
-0
4.6
85%
983
04:00
0
4.8
85%
982
05:00
+1°C
5.3
85%
982
06:00
+1°C
5.8
85%
981
07:00
+2°C
6.4
85%
981
08:00
+2°C
7.2
85%
981
09:00
+3°C
7.6
84%
980
10:00
+3°C
8.4
83%
980
11:00
+4°C
9.5
80%
979
12:00
+4°C
10.7
77%
979
13:00
+5°C
11.6
75%
978
14:00
+5°C
12.1
73%
977
15:00
+5°C
11.5
74%
977
16:00
+5°C
9.4
76%
976
17:00
+5°C
6.7
80%
976
18:00
+4°C
4.8
86%
975
19:00
+3°C
6.4
92%
975
20:00
+3°C
9
97%
974
21:00
+2°C
11
100%
974
22:00
+1°C
11.9
100%
974
23:00
+1°C
11.9
99%
975
09 September 2026, Wednesday
--2°C / +1°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
0
11.7
96%
976
01:00
-0
11.7
93%
976
02:00
-1
12.1
90%
977
03:00
-1
12.6
88%
978
04:00
-1
12.9
87%
978
05:00
-1
13.2
86%
979
06:00
-2
13.4
86%
979
07:00
-2
13.5
85%
980
08:00
-2
13.8
85%
981
09:00
-2
14.3
83%
981
10:00
-1
15.2
80%
982
11:00
-1
16.4
77%
982
12:00
-0
17.7
73%
982
13:00
0
19
70%
983
14:00
+1°C
19.9
68%
983
15:00
+1°C
20.5
67%
984
16:00
+1°C
20.4
68%
985
17:00
0
20
71%
985
18:00
-0
19.3
75%
986
19:00
-1
18.6
79%
987
20:00
-1
17.8
83%
988
21:00
-1
17.1
86%
988
22:00
-1
16.8
87%
989
23:00
-1
16.2
87%
989
10 September 2026, Thursday
--1°C / +2°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
-1
16
86%
990
01:00
-1
15.7
85%
990
02:00
-1
15.5
84%
990
03:00
-1
15.4
83%
991
04:00
-1
15.3
83%
991
05:00
-1
15.6
82%
992
06:00
-1
15.8
82%
992
07:00
-1
16.1
81%
992
08:00
-1
16.7
80%
992
09:00
-0
17.2
80%
993
10:00
-0
18
79%
993
11:00
0
19.1
77%
993
12:00
+1°C
20.3
75%
993
13:00
+2°C
21.2
74%
993
14:00
+2°C
22.1
74%
993
15:00
+2°C
22.6
74%
993
16:00
+2°C
22.7
75%
993
17:00
+2°C
22.3
77%
993
18:00
+2°C
21.8
79%
993
19:00
+2°C
21.2
81%
994
20:00
+2°C
20.7
84%
994
21:00
+2°C
20.1
85%
994
22:00
+1°C
19.7
86%
995
23:00
+1°C
19.5
87%
995
11 September 2026, Friday
+1°C / +3°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+1°C
19.1
87%
996
01:00
+1°C
18.7
88%
996
02:00
+1°C
18.3
87%
996
03:00
+1°C
17.8
88%
997
04:00
+1°C
17.1
88%
997
05:00
+1°C
16
88%
998
06:00
+1°C
14.8
88%
998
07:00
+1°C
13.9
88%
998
08:00
+1°C
13.2
87%
999
09:00
+1°C
13.4
86%
999
10:00
+2°C
14.4
84%
999
11:00
+2°C
16.3
81%
999
12:00
+3°C
18.6
78%
999
13:00
+3°C
20.8
75%
999
14:00
+3°C
22.5
72%
999
15:00
+3°C
23.1
72%
999
16:00
+3°C
22.6
72%
999
17:00
+3°C
21.3
74%
999
18:00
+2°C
19.4
77%
1000
19:00
+2°C
17.4
80%
1000
20:00
+1°C
15.1
83%
1000
21:00
+1°C
12.9
85%
1000
22:00
+1°C
10.8
86%
1000
23:00
+1°C
8.5
87%
1000
12 September 2026, Saturday
--3°C / +4°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
0
6.5
87%
1000
01:00
0
5.1
87%
1000
02:00
-0
4.9
87%
1000
03:00
-0
5.4
87%
1000
04:00
-1
6.2
87%
1000
05:00
-2
6.9
87%
1000
06:00
-2
7.5
87%
1000
07:00
-3
8
87%
1000
08:00
-3
7.9
86%
999
09:00
-3
7.7
84%
999
10:00
-2
6.8
81%
999
11:00
-1
5.3
77%
999
12:00
0
3.5
72%
999
13:00
+2°C
1.7
68%
999
14:00
+3°C
0.4
66%
998
15:00
+4°C
1.3
65%
998
16:00
+3°C
2
67%
999
17:00
+3°C
2.8
71%
999
18:00
+2°C
3.2
76%
999
19:00
+1°C
3.5
82%
1000
20:00
+1°C
3.6
87%
1000
21:00
-0
3.4
91%
1000
22:00
-1
2.8
92%
1001
23:00
-1
1.9
92%
1001
13 September 2026, Sunday
--2°C / +2°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
-1
0.8
91%
1001
01:00
-1
0.9
90%
1001
02:00
-2
2.2
89%
1001
03:00
-2
3.1
88%
1001
04:00
-2
3.8
87%
1001
05:00
-2
4.5
87%
1001
06:00
-2
5.1
87%
1001
07:00
-2
5.6
87%
1001
08:00
-1
6.4
86%
1001
09:00
-1
7.4
84%
1000
10:00
-1
8.8
82%
1000
11:00
0
10.6
77%
999
12:00
+1°C
12.4
74%
999
13:00
+2°C
14.1
70%
998
14:00
+2°C
15.3
67%
997
15:00
+2°C
15.5
67%
997
16:00
+2°C
14.8
68%
996
17:00
+2°C
13
71%
996
18:00
+2°C
10.7
76%
995
19:00
+1°C
8.3
80%
995
20:00
+1°C
6.2
85%
994
21:00
+1°C
4.7
88%
993
22:00
+1°C
3.9
90%
993
23:00
+1°C
3.5
91%
992


Climate Characteristics of Ushuaia

General Overview

Ushuaia features a subpolar oceanic climate. Due to its extreme southern latitude, the weather remains cool year-round, without a true warm summer. The city is famous for its extreme instability; locals often say you can experience "four seasons in one day".

Summer Season (December to February)

Summer in Ushuaia is cool and fresh. Daytime temperatures range between 12°C and 15°C (54-59°F), while nighttime lows drop to 5°C (41°F). This is the period with the most daylight (up to 18 hours!), allowing for long hikes and cruises. Despite being summer, strong winds and precipitation (rain or light snow) are common phenomena.

Winter Season (June to August)

Winter in Ushuaia is cold, dark, and snowy. Daytime temperatures range around 2°C to 4°C (36-39°F), while nighttime lows are usually below 0°C (32°F). Snow covers the city and surrounding mountains, creating excellent ski conditions. Daylight hours are very short (about 7 hours at winter solstice), and freezing Antarctic winds are strongly felt.

Transition Seasons and Special Phenomena

Autumn (March-May) offers the most spectacular colors as mountain trees turn bright red. Spring (September-November) is characterized by particularly strong winds and completely unpredictable weather. Throughout the year, the city is exposed to very strong westerly winds coming from the ocean.

 

Weather in Ushuaia by Month

January

Peak of summer and the "warmest" month. 15°C (59°F) daytime. Very long days, ideal for nature tours.

February

Still pleasant (14°C/57°F daytime). Less wind than in January; excellent time for Beagle Channel cruises.

March

Start of autumn. 12°C (54°F) daytime. Nature begins to change colors, and nights become colder.

April

Foliage at its peak. 9°C (48°F) daytime and nights around 2°C (36°F). First snow showers possible.

May

Cold and wet (6°C/43°F daytime). Days shorten significantly, and the atmosphere turns wintry.

June

Start of winter. 4°C (39°F) daytime and -1°C (30°F) at night. Minimal daylight hours; snow is common.

July

The coldest month. 3°C (37°F) daytime and -2°C (28°F) at night. Peak ski and winter tourism season.

August

Still cold and snowy (4°C/39°F daytime). Ski conditions are usually excellent, and days begin to lengthen.

September

Start of spring. 7°C (45°F) daytime. Characterized by very strong winds and extreme weather shifts.

October

Gradual warming (10°C/50°F daytime). First blooms, but sudden snow is still possible.

November

More pleasant (12°C/54°F daytime). Winds are still strong, but long daylight hours attract travelers.

December

Start of summer. 13°C (55°F) daytime. Daylight hours at their peak (longest day of the year) with a vibrant atmosphere.

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Ushuaia