Weather in San Salvador de Jujuy

Planning your day or a trip to the city of San Salvador de Jujuy? Check out the most up-to-date weather information, including detailed charts and forecasts for the near future, presented below.

The climate of San Salvador de Jujuy can be described as mild and temperate, largely due to its location in a picturesque valley in northwest Argentina. There is no extreme heat or severe frost here, making visits comfortable at almost any time of the year. The weather is shaped by the altitude, providing fresh air and pleasant temperature readings.

Two main seasons are clearly distinguishable throughout the year: warm and humid, and cool and dry. Summer, which lasts from December to February in the Southern Hemisphere, brings the highest amount of rainfall — it may rain very frequently, yet the average daytime temperature remains quite comfortable, rarely exceeding +21°C. Winter (June–August), on the other hand, is characterised by aridity and few rainy days, though nights become noticeably colder, with temperatures dropping to +4°C.

Tourists should take this contrast into account when planning their wardrobe. If your trip falls during the summer period, be sure to pack an umbrella or a raincoat due to the high probability of precipitation. For travel during the winter months or the off-season, warm clothing for the evenings will be a key element, as the difference between daytime warmth and nighttime coolness can be quite perceptible.

The climate in the city of San Salvador de Jujuy is notable for its mildness and lack of stifling heat, making it pleasant to visit all year round. The warmest period falls during the Southern Hemisphere summer — December and January. During these months, the average daytime temperature holds at comfortable levels around +20…+21°C. This time of year is characterised not by sweltering heat but by pleasant warmth; however, one should consider the high humidity and frequent precipitation, as summer here coincides with the rainy season.

Winter, lasting from June to August, brings coolness and a significant reduction in rainfall. July and June are the coldest months: during the day, the air usually warms up to +15°C, creating conditions for comfortable walks under clear skies, as rain is a great rarity during this period. However, nights become truly cold, with average minimum temperatures dropping to +4…+5°C, so warm clothing will be necessary.

An important feature of the temperature regime in this region of Argentina is the perceptible daily fluctuations. The difference between the daily maximum and the nightly minimum is often around 10 degrees or more. Even in relatively warm months, such as March or November, it becomes noticeably fresher after sunset. Travellers are advised to adhere to the principle of layering in their clothing to easily adapt to weather changes throughout the day.

In San Salvador de Jujuy, there is a distinct seasonality in rainfall. The wettest period falls during the Southern Hemisphere summer months — from December to February. At this time, it rains very often: statistics show up to 28 rainy days in January and December. However, despite the high frequency, the intensity of precipitation remains low (about 9–10 mm per month), which more often resembles a light drizzle or brief showers rather than powerful tropical downpours.

The winter months, especially June, July, and August, are characterised by dry weather. This time is considered the driest of the year: the average rainfall level drops to minimal values of 1 mm. The number of days with precipitation also sharply decreases to 7–8 per month, making winter an excellent time for excursions and walks under clear skies.

The transitional seasons (spring and autumn) demonstrate a gradual change in weather. For instance, in April and October, the number of wet days varies from 21 to 22, while precipitation volume holds at a level of 7–8 mm. Travellers should note that even in the "rainy" season, an umbrella might be needed often, but heavy torrents of water are unlikely to disrupt plans.

When preparing for a trip to San Salvador de Jujuy, it is important to consider the seasonality of rainfall and temperature fluctuations. Summer here (from December to March) is distinguished by high humidity and a large number of rainy days, so your luggage must include a high-quality raincoat, a compact umbrella, and waterproof footwear. Since even in the warmest months the daytime temperature rarely exceeds 20–21°C, do not expect exhausting heat: pack light items, but supplement them with a sweater or hoodie for cool evenings.

The winter period (from June to August), conversely, is characterised by dry weather, but nights become noticeably colder, with temperatures dropping to 4–5°C. At this time of year, the best solution is the principle of layering clothes. It is recommended to bring a demi-season jacket, fleece jumpers, and perhaps light thermal underwear to feel comfortable in the morning chill and have the option to remove layers when the air warms up to 15°C during the day.

Regardless of the season, to explore the attractions of this region of Argentina, you will need comfortable, proven flat-soled shoes suitable for long walks on uneven terrain. Also, do not forget to pack sunscreen and headwear in your backpack: even in cloudy weather or at lower temperatures, the mountain sun can be quite active.