Monthly Climate
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Best time to visit Buenos Aires

April is the best time to visit Buenos Aires for general sightseeing, with average highs of 21 °C and about 8 wet days. The comfortable season runs roughly February to May. The sea stays above 20 °C from November to April.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking April comfort 87/100
A beach holiday January sea 25 °C
The least cloud January 38 % average cloud cover
The least rain August 72 mm
Warmth January 28 °C
Cooler weather July 13 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 April 87 21 °C 8 62
2 November 87 24 °C 8 72
3 March 85 25 °C 8 84
4 October 84 20 °C 9 47
5 December 80 27 °C 8 87
6 May 80 17 °C 7 41
7 February 79 27 °C 8 89
8 September 79 17 °C 7 32
9 January 76 28 °C 7 92
10 August 72 16 °C 7 23
11 June 67 14 °C 7 18
12 July 63 13 °C 7 16

For a beach holiday

January scores highest, with a sea temperature of 25 °C and air temperatures around 28 °C. The sea is above 20 °C from November to April.

Month Sea Air Sunshine Beach score
January 25 °C 28 °C 38 % 92
February 25 °C 27 °C 40 % 89
March 23 °C 25 °C 41 % 84
April 21 °C 21 °C 47 % 62
May 17 °C 17 °C 55 % 41
June 14 °C 14 °C 56 % 18
July 13 °C 13 °C 54 % 16
August 13 °C 16 °C 51 % 23
September 15 °C 17 °C 50 % 32
October 18 °C 20 °C 52 % 47
November 21 °C 24 °C 44 % 72
December 23 °C 27 °C 40 % 87

When to think twice

July scores lowest with about 7 wet days and highs near 13 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 27.7 °C 88 mm 38 %
February 26.5 °C 98 mm 40 %
March 24.6 °C 100 mm 41 %
April 21.0 °C 104 mm 47 %
May 17.3 °C 76 mm 55 %
June 14.4 °C 75 mm 56 %
July 13.5 °C 75 mm 54 %
August 15.7 °C 72 mm 51 %
September 17.4 °C 79 mm 50 %
October 20.3 °C 119 mm 52 %
November 23.6 °C 96 mm 44 %
December 26.5 °C 88 mm 40 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.