Weather in Buenos Aires. When to go?

Buenos Aires is one of the most important cities in South America, with the unique touch of Tango and incredible local gastronomy. But, what`s the best season to visit Buenos Aires? The weather is not a problem  in Buenos Aires. The city offeres warm and wet summers and temperated winters. It`s a moderated weather during autumm and spring. January is the hottest month in Buenos Aires with an average temperature of 24.5°C  and the coldest is July at 11.5°C  with the most daily sunshine hours at 9 in February. The wettest month is January with an average of 100mm of rain. The best month to swim in the sea is in January when the average sea temperature is 23°C (73°F). It`s in general, but take a look below, to find information to know the weather you can expect during your visit to Buenos Aires, month by month, and define what`s the best season to visit this incredible city.

SUMMER: Weather in Buenos Aires in January and February and March

Summer season starts each december 21 in Buenos Aires and it`s the warmest season during the months of December, January and March.

Weather in January

During january, you can expect a maximum average temperature of 25ºC, but it`s usual to have temperatures around 30-32ºC or more during hottest days. Minimum temperatures will be around 20ºc. What about rain? Well, average for january is 100 mm, and you can expect 9 rainy days in the month. Buenos Aires is a wet city, levels of humidity are usually high. You can expect

Weather in February

In February, temperatures in Buenos Aires are friendly, the range goes from 19ºc to 25ºc (average maximum). Himidify rises to 69% and rainfall goes to 124.5 mm. It`s aproximated 9 rainy days what you can expect during February. The sunshine hours average is 9. The season is great to enjoy outdoor activities.

Weather in March

March is the transitional month between summer and autumn season in South AMerica and is characterized by temperatures ranging between 18°C  and 26.8°C. It`s the last portion of the summer season, and warm is still present during first days of the month. Carry an umbrella since the rain will inevitably fall and is still high, measuring 154.9mm  and falling for an average of nine days during the month.  The average lenght of the day is 12.3 hs during March.

AUTUMN: Weather in Buenos Aires in April, May and June

Weather in April

Of course Autumn start in March 21, so April is the first perior of this special season. The temperatures in April in Buenos Aires are mildly warm and ranging between 15°C and 22.3°C.
The average humidity in this month is 77% warming the sea to measure 19°C, a dip from the previous months, but still warm enough. Average rain will be around  104.1mm but again falling for an average of nine days in the whole month. This is one of the best times to be in the city of Buenos Aires.

Weather in May

May is a great time to visit Buenos Aires, but the temperatures are lower than the previous month, with minimum of 11°C  and  maximum of 19°C. This is the time to start pulling out the warm scarfs and sweaters in anticipation of the approaching cold season. The rainfall go down during May, with 88.9 mm, and the rainy days goes to 8 per month. The average sunshine hours even drop to 6 per day in May . Again, it`s a great time to walk the lovely streets under the perfect tree shades with mild warmth and enjoy the beauty of the somber atmosphere.

Weather in June

June is a transition-time into winter. Temperatures will be between 8°C and 16.5°C. It`s not the coldest but temperatures start to go down. Humidity in the atmosphere shoots to 80% resulting in a drop in the sea temperature to 13°C
It is getting a little gray by now, and clouds should be seen forming. The sun still shines but for only 4 hours a day. Rainfall also occurs, but less. You can expect around 50.8mm for an average of nine days aproximately. Winter in Buenos Aires is moderated, so it`s also a great time to visit the city.

WINTER: Weather in Buenos Aires in July, August and September

Weather in July

July has the lowest temperatures in Buenos Aires, going between 7°C  and 15°C. It is characterized by cold mornings and wet evenings accompanied by light rains. Average is around 55.9mm, and you can expect 7 rainy days during the month.
Humidity takes a slight dip to 79%. Snow is very rare in Buenos Aires because sometimes winter temperatures fluctuate up to get warmer than usual.

Weather in August

During August, temperatures take a small rise to 9°C and 17°C. Of course still cold enough to maintain the warmth but reasonably sufficient because the sunshine hours are now up to six hours per day. Rainfall is still part of the weather in Buenos Aires, with an average of 2.6 mm. Humidity dropping to 75% is the most definite sign that it is about to start getting warmer.

Weather in September

September is the last portion of the moderated winter of Buenos Aires, and the beginning of the spring season. Humidity in September drops to 70% and temperatures goes between 10°C  and 19°C. Enjoy more sunshine hours: you have 6 hours a day now, and take advantage to walk in the sun as it is mildly warm and not so hot. Expect more outdoor activities but don’t be scared of the rain as it will not interfere with the warmth in the atmosphere. It might fall for approximately 7 days only during September, with an average of 78.7 mm

SPRING: Weather in Buenos Aires in October, November and December

Weather in October

October is a great time to visit Buenos Aires, with temperatures ranging between 13°C and 23°C. October in Buenos Aires is warmer with more people in the streets to enjoy the sunny time. Sunshine goes to 7 hours a day now.  Humidity drops further to 69% characterizing October with warm daytimes and mildly cold mornings and evenings. Rainfall falls during October to 139.7 mm
It`s around 6 rainy days in the month, not bad.

Weather in November

In Buenos Aires November nights are cold and the days warm with temperatures between 16°C and 25°C.
It is a good time for a swim and enjoy walking the city with the 8-hour long sunshine across the day. This heat does not stop the rain falling to collect at 129.5mm. it`s expected to have 10 rainy days during November

Weather in December

Finally, december. The last month of the year in Buenos Aires is hot and humid and full of people in the street, to enjoy the sun. Temperatures are high, ranging between 18°C  and 28°C  in this transitional month. But it`s expected to have days with maximum over 30ºc.
The rain goes to 104.1mm, and the number of rainy days expected is 9. December is the beginning of the summer season, perfect to enjoy swimming, great walks and outdoor activities.

What`s the best season to visit Buenos Aires?

So, what`s the best season to enjoy this incredible city in South America. Well, weather is not a problem, Buenos Aires will be available all the year with the wide and rich cultural life, restaurants, museums, and different attractions in the city. There is not a bad rainy season, and temperatures are not extreme, so we can say that September. October and November, and also March, April and May are great months because it`s not too cold or not to hot, but it`s just a small advice. Again, Buenos Aires is a great place to be visited all the year.