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
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

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.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
5421112445
On the sunniest 1 in 10 days, UV reaches this — and even higher
734667
PM2.5 air quality · on a typical day (?)
222222222222
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
433444334434
February 4/10 feels 10°C · HCI 40/100
Day 13° · Night 6° 70% humidity 20 km/h wind 19 rain days (234h) 183h sun
Thermal 4
Sky 4
Rain 3
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

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

6 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. 1Winter in Ushuaia: Lakes Escondido and Fagnano 4x4 tour with lunch5.00★ (9)7hfrom $145🔥 Selling fast
  2. 2Beagle Channel Navigation with Minitrekking4.79★ (701)4hfrom $72
  3. 3Tierra del Fuego National Park – Small Groups. Optional Train4.89★ (125)5h 30mfrom $52
  4. 4Trekking Tour Laguna Esmeralda and Fuegian Valleys4.97★ (93)5h 30mfrom $102
  5. 5Beagle Channel Wildlife Cruise & Les Éclaireurs Lighthouse5.00★ (3)3hfrom $132
  6. 6Low cost Ushuaia National Park Private tour5.00★ (20)4hfrom $449

Last refreshed 2026-06-08.

Similar climatesQueenstown69% · Dunedin68% · Taupo66%

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 Quiet 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 — Quiet 3
Jul -3–2 -2 16 218 13.6 82% 16 77 — Quiet 3
Aug -2–3 -1 17 228 13.4 81% 17 116 1 Busy 3
Sep -1–5 1 16 203 12.7 75% 20 159 2 Moderate 3
Oct 2–8 4 20 262 13.1 71% 23 202 4 Moderate 2
Nov 3–11 7 20 244 12.2 65% 21 235 4 Peak 3
Dec 5–12 8 22 280 12.7 66% 21 252 5 Busy 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

4/10

6–13°C (feels 10°C) · 19 rain days (234h) · 183 sun hours · 70% humidity · Quiet crowd · UV 4 (moderate)

April

3/10

2–8°C (feels 4°C) · 17 rain days (214h) · 121 sun hours · 78% humidity · Quiet crowd · UV 1 (low)

November

3/10

3–11°C (feels 7°C) · 20 rain days (244h) · 235 sun hours · 65% humidity · Peak crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (high)

Every month

Show the other 9 months in detail

January

3/10

6–13°C (feels 9°C) · 23 rain days (290h) · 224 sun hours · 67% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)

March

3/10

4–10°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

3/10

1–6°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 · Quiet crowd

July

3/10

-3–2°C (feels -2°C) · 16 rain days (218h) · 77 sun hours · 82% humidity · Quiet crowd

August

3/10

-2–3°C (feels -1°C) · 17 rain days (228h) · 116 sun hours · 81% humidity · Busy crowd · UV 1 (low)

September

3/10

-1–5°C (feels 1°C) · 16 rain days (203h) · 159 sun hours · 75% humidity · Moderate crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)

October

2/10

2–8°C (feels 4°C) · 20 rain days (262h) · 202 sun hours · 71% humidity · Moderate crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)

December

3/10

5–12°C (feels 8°C) · 22 rain days (280h) · 252 sun hours · 66% humidity · Busy 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 May and peaks in November. 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.