Monthly Climate
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Best time to visit Montevideo

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

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 November comfort 88/100
A beach holiday January sea 23 °C
The least cloud January 42 % average cloud cover
The least rain January 76 mm
Warmth January 25 °C
Cooler weather July 13 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 November 88 21 °C 8 58
2 April 88 20 °C 8 57
3 December 87 24 °C 8 78
4 March 87 23 °C 8 77
5 January 83 25 °C 7 88
6 February 83 25 °C 8 85
7 October 81 18 °C 9 36
8 May 80 17 °C 7 34
9 September 73 16 °C 8 21
10 August 69 15 °C 8 18
11 June 68 14 °C 8 16
12 July 63 13 °C 7 16

For a beach holiday

January scores highest, with a sea temperature of 23 °C and air temperatures around 25 °C. The sea is above 20 °C from December to March.

Month Sea Air Sunshine Beach score
January 23 °C 25 °C 42 % 88
February 24 °C 25 °C 46 % 85
March 22 °C 23 °C 46 % 77
April 19 °C 20 °C 52 % 57
May 16 °C 17 °C 58 % 34
June 13 °C 14 °C 59 % 16
July 11 °C 13 °C 58 % 16
August 12 °C 15 °C 56 % 18
September 13 °C 16 °C 55 % 21
October 16 °C 18 °C 55 % 36
November 19 °C 21 °C 47 % 58
December 22 °C 24 °C 43 % 78

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 25.5 °C 76 mm 42 %
February 25.0 °C 99 mm 46 %
March 23.5 °C 97 mm 46 %
April 20.3 °C 101 mm 52 %
May 17.0 °C 77 mm 58 %
June 14.2 °C 81 mm 59 %
July 13.1 °C 86 mm 58 %
August 14.8 °C 94 mm 56 %
September 15.9 °C 84 mm 55 %
October 18.5 °C 115 mm 55 %
November 21.4 °C 104 mm 47 %
December 24.1 °C 80 mm 43 %

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.