Monthly Climate
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Best time to visit Riobamba

August is the best time to visit Riobamba for general sightseeing, with average highs of 19 °C and about 8 wet days. The comfortable season runs roughly July 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 August comfort 82/100
The least cloud August 72 % average cloud cover
The least rain August 31 mm
Warmth September 19 °C
Cooler weather July 17 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 August 82 19 °C 8
2 September 80 19 °C 11
3 July 72 17 °C 12
4 October 68 19 °C 20
5 June 67 18 °C 16
6 November 67 19 °C 21
7 December 66 18 °C 21
8 February 66 18 °C 21
9 January 66 18 °C 20
10 March 65 18 °C 25
11 April 65 18 °C 25
12 May 64 18 °C 22

When to think twice

May scores lowest with about 22 wet days and highs near 18 °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 18.4 °C 122 mm 84 %
February 18.5 °C 144 mm 88 %
March 18.4 °C 186 mm 92 %
April 18.2 °C 167 mm 90 %
May 18.0 °C 117 mm 86 %
June 17.5 °C 74 mm 80 %
July 17.4 °C 50 mm 76 %
August 18.5 °C 31 mm 72 %
September 19.3 °C 48 mm 76 %
October 19.0 °C 108 mm 84 %
November 18.8 °C 128 mm 87 %
December 18.5 °C 121 mm 85 %

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.