Weather in Ushuaia

Weather - Ushuaia

Ushuaia, the southernmost city in the world, combines cool maritime climate, frequent clouds and steady winds. Summers (December–February) are the mildest months with long daylight and the best window for boat trips and outdoor excursions, but rain and strong gusts remain possible year-round. Winters are cold and snowy at times, while shoulder seasons bring changeable weather—ideal for photography if you pack layered and waterproof gear. Below you’ll find month-by-month guidance to help plan flights, tours and packing for Ushuaia.

Ushuaia weather - January

January is among the warmest months: average highs near 11 °C and lows around 4 °C, with about 6 hours of sunshine and long daylight (around 17 hours). Expect frequent breezes (avg wind ~11 km/h) and roughly two weeks with some rain, so it’s great for boat trips and day hikes but bring windproof layers and a waterproof jacket. Sea temperature stays cool (~9 °C), so swimming is not typical.

Ushuaia weather - February

February remains mild and favorable for travel: daytime highs about 11 °C and lows near 4 °C, with roughly 6 hours of sunshine and slightly fewer rainy days than January. It’s still prime time for wildlife cruises and Tierra del Fuego hikes—book excursions in advance but be prepared for sudden wind and showers.

Ushuaia weather - March

March ushers in cooler conditions: average highs around 9–11 °C and nights around 3 °C, combined with decreasing daylight and about 5 hours of sun. Rain and occasional snow can appear as temperatures drop; this month is quieter for tourism and can offer dramatic skies and good-value flights for flexible travelers.

Ushuaia weather - April

April gets noticeably cooler (highs ~6–8 °C, lows near 1 °C) with shorter days and more frequent overcast conditions. Expect a mix of rain and early snow at higher elevations—pack warm insulating layers and waterproof footwear. It’s a transitional month for photographers capturing autumn tones and dramatic coastal weather.

Ushuaia weather - May

May is firmly into late autumn/early winter: average highs drop near 3–5 °C and nights can fall below freezing. Precipitation is still common and snowfall becomes more likely inland and on trails. Travel is quieter; useful if you’re looking for off-season fares and don’t mind cold, variable conditions.

Ushuaia weather - June

June brings full winter conditions for the region: daytime averages around 1–3 °C and nights several degrees below zero. Snow occurrences increase (mountain trails and some roads can be affected), daylight shrinks and outdoor plans require warm insulated clothing. Winter scenery and tranquil town vibes appeal to visitors prepared for cold weather.

Ushuaia weather - July

July is typically the coldest month: average highs near 1–3 °C with lows around −4 to −11 °C reported in mountain areas. Snow is common and winds remain noticeable—great for winter sports nearby but not for beach activities. If you travel in July, expect crisp air and dramatic snowy landscapes.

Ushuaia weather - August

August still feels wintry with average highs around 2–4 °C and chilly nights; snow is frequent, especially off the coast and at elevation. Daylight begins to lengthen and sunshine slowly increases, making late winter hikes more attractive for prepared visitors seeking solitude and low-season deals.

Ushuaia weather - September

September signals early spring: highs climb to about 4–7 °C while nights remain cold. Snow cover starts to recede in many lowland areas but weather is changeable—sun, wind and showers can alternate in a single day. It’s a good month for photographers and travelers who want fewer crowds and emerging spring landscapes.

Ushuaia weather - October

October offers milder daytime temperatures (around 7–9 °C) and longer daylight hours; wind and rain still occur but conditions are improving for outdoor activities. Spring blooms appear in lower elevations and wildlife viewing becomes more active—ideal for flexible itineraries combining hikes and coastal tours.

Ushuaia weather - November

November is a pleasant pre-summer month with average highs near 9–10 °C and increasing sunshine and daylight (up to ~16 hours). Rain days are moderate; temperatures are comfortable for exploring Tierra del Fuego and booking early-season boat trips. Layers and a waterproof outer shell remain recommended.

Ushuaia weather - December

December brings summer-like conditions for Ushuaia: averages reach highs around 10–12 °C and lows near 3 °C, with long daylight and improved sunshine. It’s one of the best months for cruises, wildlife watching and scenic hikes, although sea temperatures stay cold (~8 °C) and weather can still turn windy and wet—so plan flexible outdoor activities.

Table of average minimum and maximum temperatures during the year