Weather in Сан-Карлос-де-Барилоче by month: what to expect

Сан-Карлос-де-Барилоче sits in the Andes, where the weather shifts noticeably with the seasons. Summers here are mild, with daytime highs around +24.8 °C in January, while winters bring chilly air and occasional frost, especially at night. The contrast between the warmest and coldest months makes packing for Сан-Карлос-де-Барилоче a thoughtful task.

The year in Сан-Карлос-де-Барилоче splits into distinct wet and dry periods. From May to August, rain and snow are frequent, turning the landscape lush and sometimes limiting outdoor plans. The rest of the year is drier, with January and February offering the most stable conditions for hiking or exploring the lakes.

Temperatures in Сан-Карлос-де-Барилоче follow a clear seasonal rhythm. In January and February, the air warms to +15.9 °C on average, with daytime peaks near +25 °C. By July, the coldest month, averages drop to +2 °C, and nights can fall below -2.3 °C, so layers are essential.

The transition months bring noticeable changes. March and April see temperatures sliding from +12.5 °C to +8.7 °C, while September and October mark the return of milder weather, climbing from +5.6 °C to +8.2 °C. These shifts make spring and autumn in Сан-Карлос-де-Барилоче ideal for those who prefer cooler, less crowded travel.

Rainfall in Сан-Карлос-де-Барилоче is unevenly distributed. The wettest months, June and July, bring over 160 mm of precipitation each, often as rain or snow. May and August are also damp, with around 116 mm and 99 mm respectively, so waterproof gear is a must.

From November to February, Сан-Карлос-де-Барилоче stays relatively dry, with January seeing just 24.5 mm of rain. March and April are transitional, with moderate rainfall, while September and October offer a mix of dry spells and occasional showers. This pattern shapes the best times for outdoor activities in the region.

For a summer trip to Сан-Карлос-де-Барилоче, pack light layers for warm days and cooler evenings. A jacket for wind protection is useful, especially near the lakes. In January and February, temperatures hover around +15.9 °C, but nights can still feel crisp.

Winter visits require warmer clothing. From June to August, expect temperatures near +2 °C, with nights dipping below freezing. Waterproof boots and a sturdy coat are essential for snow or rain. For spring or autumn, bring versatile layers to adapt to the changing weather in Сан-Карлос-де-Барилоче.