Weather in Buenos Aires

Planning your day in Buenos Aires? Check out the most up-to-date weather information in this section. Here you will find accurate forecasts and useful weather charts to help you prepare better.

Buenos Aires features a temperate subtropical climate, making it an attractive destination to visit at any time of year. The city experiences four distinct seasons, but without extreme temperature fluctuations. Summer (from December to February) is warm and sunny, with average temperatures in the 20-25°C range, and sometimes higher. Winter (from June to August) is mild, with average temperatures around 10-15°C, and frosts are rare.

Precipitation in Buenos Aires is distributed fairly evenly throughout the year, without a pronounced rainy season. A small amount of precipitation falls monthly (averaging 2-3 mm), with the number of rainy days ranging from 6 to 9 per month. This means that light rains are possible, but they are generally short-lived and will not spoil your plans. Overall, the weather allows for comfortable exploration of the city and its surroundings almost all year round, allowing you to choose the season according to your temperature preferences.

Buenos Aires sees a noticeable change of seasons, which is reflected in the temperature regime throughout the year. The hottest month is typically January, when the average temperature reaches 25.0°C, and daytime highs can rise to 28.8°C. Nights during this period are also warm, with a minimum temperature around 21.1°C. Conversely, the coolest month is considered July, with an average temperature of 11.0°C. At this time, nighttime lows can drop to 7.8°C, and daytime highs rarely exceed 14.2°C.

The summer months in Buenos Aires, from December to February, are characterized by warm and sometimes hot weather. Average daytime temperatures range from 27.0°C to 28.8°C, creating comfortable conditions for walking and outdoor activities, although humidity can sometimes be felt. Nights remain pleasantly warm, with temperatures rarely dropping below 18.6°C - 21.1°C. The difference between daytime and nighttime temperatures in the summer averages 7-9 degrees, which is a moderate fluctuation.

Winter, covering the period from June to August, is quite mild in Buenos Aires. Average daytime temperatures hover in the 14.2°C - 16.2°C range, while nighttime temperatures drop to 7.8°C - 8.9°C. Frosts happen rarely, and snow is an exceptional phenomenon. The winter months also see a daily temperature variation of approximately 6-8 degrees, making evenings and nights noticeably cooler than days. Overall, even in winter, the weather remains relatively comfortable for visiting the city, especially if you prefer to avoid the summer heat.

Delving into the details of precipitation distribution in Buenos Aires, one can notice that despite the general uniformity throughout the year mentioned earlier, there are slight monthly fluctuations. Thus, the monthly volume of precipitation, according to the provided data, varies within 2-3 mm. Months with slightly higher precipitation, reaching 3 mm, are March, April, November, and December. In the remaining months – January, February, May, June, July, August, September, and October – about 2 mm falls.

Regarding the frequency of rain, the highest number of "wet" days – 9 days each – falls in March and October. Precipitation occurs slightly less often in January, April, July, and December (an average of 8 days), as well as in February and November (7 days). The "driest" in terms of rainy days can be called May, June, August, and September, when there are on average 6 days with precipitation. It is important to note that even during these periods with less frequent rain, the total amount of precipitation is about 2 mm, which confirms the absence of a pronounced dry season and makes any month suitable for a visit if you are prepared for rare and short rains.

Precipitation in Buenos Aires falls predominantly as rain. Given the small total amount of precipitation (2-3 mm) even in months with the maximum number of rainy days (8-9), it can be concluded that these are usually short-lived or not too intense rains. Such weather conditions usually do not create serious obstacles for tourists' plans and exploring the city. Snow for Buenos Aires is an extremely rare phenomenon, explained by the mild subtropical climate and positive average temperatures throughout the year.

When packing your suitcase for a trip to Buenos Aires, it is important to consider seasonality and weather variability. In summer (from December to February), it is warm here, with average temperatures ranging from 22.8°C to 25.0°C, so give preference to light, breathable clothing made from natural fabrics: t-shirts, shorts, sundresses. Don't forget sunscreen, a hat, and sunglasses. In winter (from June to August), it becomes cooler, with average temperatures dropping to 11.0°C - 12.5°C. During this period, you will need sweaters, jeans, a jacket (possibly windproof), and closed-toe shoes. The principle of layering in clothing will be your best friend, allowing you to adapt to temperature changes throughout the day.

In the transition seasons – spring (from September to November) and autumn (from March to May) – the weather in Buenos Aires can be quite changeable. It can be warm during the day and cool in the evening. Therefore, the ideal solution would be layered clothing: light sweaters, cardigans that can be thrown on or taken off as needed, as well as a light jacket or raincoat. Regardless of the time of year, do not forget comfortable shoes for long walks around the city, as Buenos Aires is conducive to exploration on foot.

Considering that Buenos Aires sees between 6 and 9 days with precipitation monthly, albeit in small amounts (2-3 mm), a compact umbrella or a light raincoat will be a useful addition to your luggage at any time of year. It is also worth taking a small backpack or bag for daily walks, where you can put everything you need, including a water bottle and purchased souvenirs.