Monthly Climate
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Best time to visit Las Vegas

March is the best time to visit Las Vegas for general sightseeing, with average highs of 21 °C and about 3 wet days. The comfortable season runs roughly March 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 March comfort 93/100
The least cloud September 16 % average cloud cover
The least rain June 2 mm
Warmth July 39 °C
Cooler weather December 13 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 March 93 21 °C 3
2 November 90 19 °C 1
3 October 88 27 °C 2
4 April 86 26 °C 2
5 February 81 17 °C 4
6 January 72 14 °C 4
7 May 71 31 °C 1
8 December 69 13 °C 3
9 September 60 34 °C 1
10 June 48 37 °C 0
11 August 43 38 °C 2
12 July 41 39 °C 2

When to think twice

July scores lowest with about 2 wet days and highs near 39 °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 14.4 °C 22 mm 41 %
February 16.8 °C 28 mm 42 %
March 21.5 °C 17 mm 38 %
April 26.0 °C 7 mm 32 %
May 31.1 °C 5 mm 28 %
June 36.8 °C 2 mm 16 %
July 39.4 °C 7 mm 23 %
August 38.4 °C 9 mm 20 %
September 34.2 °C 7 mm 16 %
October 27.1 °C 8 mm 22 %
November 19.2 °C 10 mm 29 %
December 13.4 °C 20 mm 39 %

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.