Ushuaia weather by month & the best time to visit
Argentina · seaside town · subpolar / tundra climate
Ushuaia is short on reliable sunshine. Its best month is February (Score 25/100) — for stronger sun, try one of the nearby alternatives.
When is the best time to visit Ushuaia?
Ushuaia never gets truly sunny weather: February is as good as it gets at 25/100, and April is the low point (0/100). If sunshine is the point of the trip, the nearby alternatives do better.
How sunny is Ushuaia?
Ushuaia isn't a sunny place by world standards: about 1,395 hours of sunshine a year. February (25/100) is noticeably better than April (0). It ranks #41 of 41 destinations in Argentina for annual sunshine, below the national median of 2,741 hours. The year's 711 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 24 | 12° / 54°F | 6° / 43°F | 78 mm | 6 | 10° / 50°F |
| February | 25 | 12° / 54°F | 6° / 43°F | 70 mm | 4 | 10° / 50°F |
| March | 19 | 11° / 52°F | 5° / 41°F | 65 mm | 3 | 9° / 48°F |
| April | 0 | 8° / 46°F | 3° / 37°F | 67 mm | 1 | 8° / 46°F |
| May | 0 | 5° / 41°F | 2° / 36°F | 53 mm | 0 | 7° / 45°F |
| June | 0 | 3° / 37°F | 0° / 32°F | 58 mm | 0 | 6° / 43°F |
| July | 0 | 3° / 37°F | -1° / 30°F | 51 mm | 0 | 6° / 43°F |
| August | 0 | 3° / 37°F | 0° / 32°F | 46 mm | 1 | 5° / 41°F |
| September | 0 | 6° / 43°F | 1° / 34°F | 44 mm | 2 | 5° / 41°F |
| October | 0 | 8° / 46°F | 2° / 36°F | 44 mm | 3 | 6° / 43°F |
| November | 13 | 10° / 50°F | 3° / 37°F | 62 mm | 5 | 8° / 46°F |
| December | 18 | 11° / 52°F | 5° / 41°F | 73 mm | 6 | 9° / 48°F |
Sea temperature in Ushuaia by month
The sea off Ushuaia is warmest in January at around 10°C / 50°F, and coolest in August at 5°C / 41°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Ushuaia: questions and answers
What kind of destination is Ushuaia?
Ushuaia is a seaside town in Argentina with a subpolar / tundra climate — the sea reaches 10°C at its warmest.
How many hours of sunshine does Ushuaia get a year?
Ushuaia gets about 1,395 hours of sunshine a year, at its best around February.
When is the best time to visit Ushuaia?
Ushuaia is short on reliable sunshine — its best month is only February at 25/100. For a sunnier trip, see the nearest strong-sun alternatives listed on the page.
What is the least sunny month in Ushuaia?
April is the least sunny month in Ushuaia, scoring 0/100 with about 67 mm of rain.
What is the sea temperature in Ushuaia?
The sea in Ushuaia ranges from about 5°C (August) to 10°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Ushuaia?
The typical midday UV index in Ushuaia peaks around 6 (high) in January, easing to about 0 (low) in May. Month-by-month midday UV values are in the UV column of the table on this page.
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