Weather in Ушуайя by month: what to expect

Ушуайя sits at the southern tip of South America, where the weather shifts gently but noticeably through the year. Summers here are cool and brief, with January and February offering the mildest conditions—around +9.7 °C on average. Winters, from June to August, bring chilly air, often hovering near +2.6 °C, though snow is rare in the city itself.

The shoulder seasons in Ушуайя—March to May and September to November—blend the extremes, with temperatures gradually rising or falling. Daylight varies sharply: in June, the sun barely climbs above the horizon for a few hours, while December brings long, soft evenings with up to 17 hours of light.

In Ушуайя, even the warmest months feel crisp, with daytime highs in January reaching +14.2 °C but dropping to +6.6 °C at night. By July, the coldest month, averages dip to +2.6 °C, and frosty mornings are common. The ocean’s influence keeps extremes in check, so sudden heatwaves or deep freezes are unusual.

Travelers should note the daily swings: in April, for example, temperatures can shift from +3.7 °C at dawn to +10.3 °C by afternoon. Layering is key, as even summer days in Ушуайя may start with a chill before warming slightly under the sun.

Ушуайя sees steady rainfall year-round, with no true dry season. February is the wettest month, averaging 68.6 mm, while September is drier at 37.2 mm. Snowfall is rare in the city but more frequent in the surrounding mountains, especially in June and July.

Rain in Ушуайя often arrives as light drizzle or mist, lingering for hours rather than pouring. May and June bring the least precipitation (44.7 mm and 38.7 mm, respectively), but overcast skies are common. Waterproof gear is useful in any season, as dampness is a constant companion.

For a summer trip to Ушуайя in December or January, pack warm layers—think fleece jackets, long sleeves, and a windproof outer shell. Even at +14 °C, the breeze off the Beagle Channel can feel sharp. A hat and gloves are wise for cooler evenings.

Winter visitors in June or July should prepare for near-freezing conditions. Thermal base layers, a heavy coat, and waterproof boots will keep you comfortable. If you plan to explore the mountains near Ушуайя, add insulated gloves and a scarf to block the wind.

In April or October, when temperatures hover between +3 °C and +10 °C, versatile layers work best. A mix of sweaters, a waterproof jacket, and sturdy shoes will handle the damp and variable weather. Sunglasses are useful year-round, as the low sun angle can be surprisingly bright.