Monthly Climate
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Best time to visit Avellaneda

April is the best time to visit Avellaneda 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 88/100
A beach holiday January sea 25 °C
The least cloud January 39 % average cloud cover
The least rain August 67 mm
Warmth January 28 °C
Cooler weather July 14 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 April 88 21 °C 8 63
2 November 87 24 °C 8 73
3 March 86 25 °C 7 86
4 October 84 20 °C 9 48
5 May 81 17 °C 6 42
6 December 80 27 °C 8 88
7 September 79 18 °C 7 33
8 February 79 27 °C 7 91
9 January 75 28 °C 7 91
10 August 72 16 °C 6 25
11 June 68 14 °C 6 20
12 July 63 14 °C 7 17

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 39 % 91
February 25 °C 27 °C 40 % 91
March 23 °C 25 °C 42 % 86
April 21 °C 21 °C 47 % 63
May 17 °C 17 °C 55 % 42
June 14 °C 14 °C 56 % 20
July 13 °C 14 °C 55 % 17
August 13 °C 16 °C 51 % 25
September 15 °C 18 °C 51 % 33
October 18 °C 20 °C 52 % 48
November 21 °C 24 °C 45 % 73
December 23 °C 27 °C 40 % 88

When to think twice

July scores lowest with about 7 wet days and highs near 14 °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 28.0 °C 87 mm 39 %
February 26.8 °C 91 mm 40 %
March 24.8 °C 92 mm 42 %
April 21.1 °C 96 mm 47 %
May 17.4 °C 68 mm 55 %
June 14.5 °C 68 mm 56 %
July 13.5 °C 71 mm 55 %
August 15.8 °C 67 mm 51 %
September 17.6 °C 75 mm 51 %
October 20.5 °C 111 mm 52 %
November 23.8 °C 95 mm 45 %
December 26.8 °C 82 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.