Best time to visit Ushuaia
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Ushuaia
30 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Ushuaia).
- 1
4x4 Off Road Tour to the Great Lakes with Lunch - 2
Martillo Island: Boat Trip to the Penguin Colony & Beagle Channel - 3
King Crab Route 4WD Off Road with lunch in Puerto Almanza - 4
Tierra del Fuego National Park – Small Groups. Optional Train - 5
Trekking Tour Laguna Esmeralda and Fuegian Valleys - 6
Ushuaia Airport Arrival Transfer - 7
Trails of Tierra del Fuego National Park from Ushuaia - 8
Penguin walk in Ushuaia + navigation option - 9
Tierra del Fuego National Park with the End of the World Train - 10
Tierra del Fuego National Park Private Tour - 11
Guided Penguin Watching Tour and Centolla Route - 12
Beagle Channel Navigation with Minitrekking - 13
Penguin spotting on a small boat from Ushuaia - 14
Vinciguerra Glacier Trekking and Premium Floe Lagoon - 15
5-Hour National Park + City tour - USHUAIA (Private Tour) - 16
Tierra Del Fuego National Park and Fin del Mundo Train (INCLUDED) - 17
Lakes 4WD Off Road with Lunch at Lake Fagnano from Ushuaia - 18
Tierra del Fuego Park & Train Tour for cruisers (no tickets incl) - 19
Emerald Lagoon Trekking - 20
Tierra del Fuego National Park Trekking and Canoeing in Lapataia Bay - 21
Tierra del Fuego National Park with optional End of the World Train - 22
Full Day Tour of Cabo San Pablo and Estancia Pirinaica - 23
Ushuaia Shore Excursions Tierra del Fuego National Park - 24
Packrafting experience along the Olivia River - 25
Half Day Beagle Channel Tour to Isla de Lobos and Penguin Colony - 26
Half-Day 4x4 Tour to the Great Lakes - 27
Tierra del Fuego National Park, Ushuaia City Tour Shore Excursion - 28
Half-Day Tierra del Fuego National Park - 29
National Park and Train Trip End of the World Guided Tour - 30
Emerald Lagoon Trekking from Ushuaia – Small Group
Last refreshed 2026-10-18.
Similar climatesPunta Arenas86% · Perito Moreno Glacier80% · Puerto Varas74%
Other destinations with the most-alike year-round climate to Ushuaia (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Ushuaia's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 6–13 | 9 | 23 | 290 | 12.6 | 67% | 21 | 224 | 5 | Moderate | 3 |
| Feb | 6–13 | 10 | 19 | 234 | 12.3 | 70% | 20 | 183 | 4 | Quiet | 4 |
| Mar | 4–10 | 7 | 21 | 251 | 12.0 | 73% | 21 | 169 | 2 | Quiet | 3 |
| Apr | 2–8 | 4 | 17 | 214 | 12.6 | 78% | 18 | 121 | 1 | Quiet | 3 |
| May | 1–6 | 2 | 17 | 231 | 13.6 | 83% | 16 | 77 | 1 | Quiet | 3 |
| Jun | -3–3 | -1 | 14 | 203 | 14.5 | 83% | 15 | 74 | — | Busy | 3 |
| Jul | -3–2 | -2 | 16 | 218 | 13.6 | 82% | 16 | 77 | — | Peak | 3 |
| Aug | -2–3 | -1 | 17 | 228 | 13.4 | 81% | 17 | 116 | 1 | Peak | 3 |
| Sep | -1–5 | 1 | 16 | 203 | 12.7 | 75% | 20 | 159 | 2 | Quiet | 3 |
| Oct | 2–8 | 4 | 20 | 262 | 13.1 | 71% | 23 | 202 | 4 | Quiet | 2 |
| Nov | 3–11 | 7 | 20 | 244 | 12.2 | 65% | 21 | 235 | 4 | Quiet | 3 |
| Dec | 5–12 | 8 | 22 | 280 | 12.7 | 66% | 21 | 252 | 5 | Quiet | 3 |
UV Index in Ushuaia by Month
UV index in Ushuaia peaks at 5 (moderate) in December, dropping to 0 (low) in June.
Best months in detail
February
4/106–13°C (feels 10°C) · 19 rain days (234h) · 183 sun hours · 70% humidity · Quiet crowd · UV 4 (moderate)
April
3/102–8°C (feels 4°C) · 17 rain days (214h) · 121 sun hours · 78% humidity · Quiet crowd · UV 1 (low)
November
3/103–11°C (feels 7°C) · 20 rain days (244h) · 235 sun hours · 65% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (high)
Every month
Show the other 9 months in detail
January
3/106–13°C (feels 9°C) · 23 rain days (290h) · 224 sun hours · 67% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
March
3/104–10°C (feels 7°C) · 21 rain days (251h) · 169 sun hours · 73% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
May
3/101–6°C (feels 2°C) · 17 rain days (231h) · 77 sun hours · 83% humidity · Quiet crowd · UV 1 (low)
June
3/10-3–3°C (feels -1°C) · 14 rain days (203h) · 74 sun hours · 83% humidity · Busy crowd
July
3/10-3–2°C (feels -2°C) · 16 rain days (218h) · 77 sun hours · 82% humidity · Peak crowd
August
3/10-2–3°C (feels -1°C) · 17 rain days (228h) · 116 sun hours · 81% humidity · Peak crowd · UV 1 (low)
September
3/10-1–5°C (feels 1°C) · 16 rain days (203h) · 159 sun hours · 75% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)
October
2/102–8°C (feels 4°C) · 20 rain days (262h) · 202 sun hours · 71% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)
December
3/105–12°C (feels 8°C) · 22 rain days (280h) · 252 sun hours · 66% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
Frequently asked questions about visiting Ushuaia
When is the best time to visit Ushuaia?
February is the highest-scoring month (4/10 on the Holiday Climate Index). Typical conditions: 6–13°C (19 rainy days). The top three months by score are February, April, November.
What is the worst time to visit Ushuaia?
October is the lowest-scoring month (2/10). Typical conditions: 2–8°C (20 rainy days).
When are crowds lowest in Ushuaia?
Search-interest seasonality (Google Trends 2021-2025) is lowest in October and peaks in July. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
What is the UV index in Ushuaia by month?
UV peaks at 5 (moderate) in December and is lowest in June at 0 (low). Monthly peak values: Jan 5, Feb 4, Mar 2, Apr 1, May 1, Jun —, Jul —, Aug 1, Sep 2, Oct 4, Nov 4, Dec 5.
What is the UV index in Ushuaia in December?
December is the peak UV month in Ushuaia, with a daily-peak UV index of 5 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.
How high can UV get in Ushuaia on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. December is the worst case: typical days average UV 5 (moderate), but the top 10% of days reach UV 7 (high) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, March, September, October, November, December. Plan sun protection for the worst case, not the average.