Ushuaia Weather 2026 | Temperature, Snow, and When to Go Skiing

Ushuaia Climate 2026 — Temperature, Snow, and When to Go Skiing

The climate of Ushuaia is one of the most extreme and variable in the world: cold, windy, and with sudden changes at any time of year. The southernmost city on the planet has a subantarctic oceanic climate, with cool summers and cold winters with abundant snow. For skiers, the southern winter (June–October) is the best time to visit Ushuaia and enjoy Cerro Castor and Alto del Padre.

🌡️ Temperature in Ushuaia by Month — 2026

Winter (June – August) — Ski Season

• June: max. 3 °C / min. -3 °C | Start of ski season | Frequent snow
• July: max. 2 °C / min. -4 °C | Best month to ski | Highest snow accumulation | Shorter days (7h of daylight)
• August: max. 4 °C / min. -3 °C | Excellent snow conditions | More daylight hours than July

Snowy spring (September – October) — End of Season

• September: max. 7 °C / min. -1 °C | Possible snow | Open slopes | More daylight hours
• October: max. 10 °C / min. 2 °C | End of season | Snow varies by year

Southern summer (November – March)

• December – February: max. 14 °C / min. 5 °C | High tourist season | No snow in the city | Very long days (up to 17h of daylight)

Southern autumn (March – May)

• April – May: max. 8 °C / min. 1 °C | Colors of the lenga forest | First possible snowfalls in May

☃️ When It Snows in Ushuaia — Snow at Cerro Castor

Snow in Ushuaia mainly falls between May and September, with peak amounts in July and August. In the city (sea level), snow is frequent but does not always accumulate; however, at Cerro Castor (195–1,057 m) and Alto del Padre, accumulation is consistent throughout the season.

• First snow in the city: May (sometimes April)
• Peak accumulation at Cerro Castor: July – August
• Type of snow: dry and powdery at high altitude, heavier at the base due to oceanic humidity
• Patagonian wind: can lower the wind chill to -15 °C or -20 °C at high altitude

💨 Windguru Ushuaia — Wind and Forecast

The Patagonian wind is the most important factor in Ushuaia’s climate. It can close high-altitude lifts even with good snow conditions. Before heading up to Cerro Castor or Alto del Padre, always check:

• Windguru Ushuaia: hourly wind and altitude forecast
• Ushuaia SMN forecast: Argentina National Weather Service
• Cerro Castor social media: provide real-time updates on lift and slope status

Golden rule: if the wind exceeds 60 km/h at high altitude, upper lifts are likely to close. Base lifts usually remain open.

🧥 What Clothes to Bring to Ushuaia in Winter

The Ushuaia winter climate demands quality technical clothing. The combination of extreme cold, Patagonian wind, and oceanic humidity makes inadequate clothing a serious problem on the slopes.

For skiing at Cerro Castor or Alto del Padre

• 🧥 Waterproof and thermal jacket: essential, windproof, with hood
• 🧥 Waterproof thermal pants: reinforced at knees and seat
• 🧥 Thermal base layer: merino wool or synthetic, never cotton
• 🧥 Helmet: mandatory for minors, highly recommended for adults
• 🧥 Goggles: UV and anti-fog protection, essential on windy and snowy days
• 🧥 Waterproof gloves: double layer if possible
• 🧥 Après-ski boots: for walking around the base and downtown Ushuaia

📅 When to Go Skiing in Ushuaia — Monthly Comparison

🥇 July — The Best Month

Greater snow accumulation, better conditions at Cerro Castor. High season: more people and higher prices, but the experience is optimal. Book well in advance.

🥈 August — Excellent Alternative

Very good snow conditions, more daylight hours than July. Still high season but with slightly less crowding than July.

🥉 June — Start of Season

Fewer people, lower prices, but snow can be variable at the start of the season. Ideal for flexible travelers looking to avoid crowds.

September — End of Season

Slopes open with more daylight hours. Snow can be heavier and conditions more variable. Prices lower than peak season.

✅ Frequently Asked Questions — Ushuaia Weather

What is the temperature in Ushuaia in July?
In July, temperatures in Ushuaia range between -4 °C and 2 °C in the city. At Cerro Castor (high altitude), it can drop below -10 °C with Patagonian wind. It is the month with the highest snow accumulation and the best for skiing.

When does it snow in Ushuaia?
It snows in Ushuaia mainly between May and September. The months with the greatest accumulation are July and August. Snow is frequent in the city but does not always accumulate; at Cerro Castor, accumulation is consistent throughout the season.

What is the weather like in Ushuaia in winter?
Ushuaia’s winter weather is cold and windy, with temperatures between -4 °C and 4 °C in the city. The Patagonian wind can lower the wind chill to -15 °C or less. It is essential to wear quality thermal and waterproof clothing.

What is the temperature in Ushuaia in winter?
In winter (June–August), Ushuaia temperatures range from -4 °C to 4 °C (25°F to 39°F) in the city. At Cerro Castor ski resort (up to 1,057 m), temperatures can drop below -10 °C (14°F) with Patagonian wind chill. Waterproof and thermal ski gear is essential.

When is the best time to go skiing in Ushuaia?
July and August are the best months to ski in Ushuaia. July has the highest snow accumulation at Cerro Castor and Alto del Padre. June is a good alternative to avoid crowds with lower prices.

Is it very cold in Ushuaia in winter?
Yes. Ushuaia is the southernmost city in the world, and the winter cold is intense, especially with the Patagonian wind. The wind chill can drop below -15 °C on the Cerro Castor slopes. It is essential to wear quality thermal and waterproof clothing or rent it in Ushuaia with CaranvaSports.