Monthly Climate
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Best time to visit Barreiras

July is the best time to visit Barreiras for general sightseeing, with average highs of 30 °C and about 0 wet days. The comfortable season runs roughly May to August.

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 81/100
The least cloud August 30 % average cloud cover
The least rain July 0 mm
Warmth October 34 °C
Cooler weather June 30 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 July 81 30 °C 0
2 June 80 30 °C 0
3 May 77 30 °C 3
4 August 75 32 °C 0
5 April 67 30 °C 10
6 September 67 34 °C 1
7 October 62 34 °C 6
8 February 59 30 °C 15
9 December 59 31 °C 15
10 November 59 31 °C 14
11 January 59 30 °C 16
12 March 58 30 °C 16

When to think twice

March scores lowest with about 16 wet days and highs near 30 °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 30.2 °C 137 mm 70 %
February 30.1 °C 121 mm 69 %
March 30.1 °C 143 mm 70 %
April 30.1 °C 70 mm 60 %
May 30.3 °C 19 mm 51 %
June 30.1 °C 2 mm 39 %
July 30.1 °C under 1 mm 32 %
August 31.6 °C under 1 mm 30 %
September 33.7 °C 8 mm 34 %
October 34.0 °C 49 mm 52 %
November 31.3 °C 155 mm 73 %
December 30.6 °C 142 mm 73 %

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.