Monthly Climate
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Best time to visit Asunción

July is the best time to visit Asunción for general sightseeing, with average highs of 22 °C and about 7 wet days. The comfortable season runs roughly May to September.

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 July comfort 91/100
The least cloud August 40 % average cloud cover
The least rain August 63 mm
Warmth January 32 °C
Cooler weather July 22 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 July 91 22 °C 7
2 August 91 25 °C 6
3 June 89 22 °C 8
4 May 88 23 °C 9
5 September 82 27 °C 9
6 April 76 28 °C 9
7 October 70 29 °C 11
8 November 67 30 °C 11
9 March 64 30 °C 11
10 December 58 31 °C 13
11 February 57 31 °C 12
12 January 55 32 °C 12

When to think twice

January scores lowest with about 12 wet days and highs near 32 °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 32.2 °C 123 mm 51 %
February 31.3 °C 142 mm 52 %
March 30.3 °C 124 mm 47 %
April 27.6 °C 155 mm 47 %
May 23.5 °C 136 mm 52 %
June 22.1 °C 100 mm 54 %
July 21.8 °C 75 mm 46 %
August 24.6 °C 63 mm 40 %
September 26.7 °C 105 mm 43 %
October 28.6 °C 192 mm 53 %
November 29.6 °C 195 mm 49 %
December 31.2 °C 165 mm 52 %

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.