Weather in Santiago del Estero

Planning a trip to Santiago del Estero? Here you will find the latest weather data, detailed charts, and forecasts to help you better prepare for your journey.

The climate in Santiago del Estero can be characterised as subtropical, with noticeable differences between seasons. Overall, the weather here is warm, and even in the coldest months, the thermometer rarely drops to extremely low values, making the city accessible for visiting all year round.

Summer (from December to February) is truly hot here: average daytime temperatures often exceed 33°C, and this period sees the highest number of rainy days. Winter, lasting from June to August, is characterised by mildness and dryness. Precipitation is extremely rare during this time, and the daytime temperature stays comfortably around 20–21°C, although nights can be quite cool.

One of the characteristic features of the local weather is the abundance of sunshine, especially during the winter period when rains practically cease. The transitional seasons—spring and autumn—offer the most balanced conditions, ideal for those who want to avoid the summer heat but still enjoy the warmth of Argentina.

The climate in Santiago del Estero is characterised by high temperatures, especially during the summer period, which lasts here from December to February. The hottest month is January, when the average air temperature is around 28.7°C, and daytime maximums regularly exceed 34°C. Summer nights also remain very warm, with values around 22-23°C, creating an atmosphere of true southern heat accompanied by high humidity and frequent rainfall.

Winter, falling on June, July, and August, is very mild and comfortable for travel in this region. Even in July, the coldest month of the year, the air warms up to a pleasant 21°C during the day, allowing you to spend plenty of time outdoors. However, be prepared for significant daily temperature fluctuations: after sunset, it becomes noticeably cooler, and the thermometer drops to 9-10°C, so warm clothing will definitely be useful for evening walks.

Spring and autumn serve as a comfortable transition between seasons, offering tourists moderately warm weather. For example, in April and October, daytime temperatures fluctuate in the range of 26°C to 30°C, avoiding the peak summer heat. Overall, the city's annual temperature regime is distinguished by stability, where frosts are rare even on the coldest days, and the sun warms the air to comfortable levels practically all year round.

Precipitation in Santiago del Estero is distributed unevenly throughout the year, forming clearly defined wet and dry seasons. The climate here is quite hot, so snow is an extremely rare phenomenon; precipitation falls almost exclusively as rain. The highest probability of getting caught in the rain exists in the summer months (from November to March), when moist air masses bring abundant downpours.

The rainiest month is usually January, when about 12 days with precipitation are recorded. December, February, and November are also characterised by increased humidity—rain may fall for approximately 9 days during these months. Summer rains often take the form of thunderstorms, which bring temporary coolness after the daytime heat but end quickly, giving way to the sun.

The winter period, on the contrary, is the driest time of the year. From June to August, precipitation falls extremely rarely: statistics show only 1–2 rainy days per month, and the volume of rainfall at this time is minimal or zero. If you are planning a trip in the middle of the year, you most likely won't need an umbrella, as the weather will be predominantly clear and dry.

When planning a trip to Santiago del Estero, it is important to consider the hot summer (December–February), when daytime temperatures often exceed 30°C. For this period, light clothing made from natural breathable fabrics, such as cotton or linen, is ideal to better tolerate the heat. Be sure to take care of reliable sun protection: bring a wide-brimmed hat or cap, high-quality sunglasses, and cream with a high SPF level, as the sun here can be very active.

The winter months (June–August) are characterised by dry and cooler weather, especially at night when the thermometer can drop to 10°C. At this time of year, as well as in the off-season, it is best to use the layering principle: pack jeans, long-sleeved t-shirts, as well as a warm sweater or a mid-season jacket for evening walks in your suitcase. A light windbreaker will also come in handy for protection against the wind during the changeable weather of spring and autumn.

Regardless of the season, for comfortable exploration of the city streets, you will need comfortable flat-soled shoes suitable for long walks. If your trip falls during the summer or early autumn, it is worth bringing a compact umbrella or raincoat, as the number of rainy days increases noticeably during this period. In winter, precipitation is extremely rare, so heavy waterproof gear is unlikely to be required.