Monthly Climate
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Best time to visit Plano

October is the best time to visit Plano for general sightseeing, with average highs of 25 °C and about 8 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 October comfort 89/100
The least cloud August 37 % average cloud cover
The least rain July 49 mm
Warmth August 34 °C
Cooler weather January 13 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 October 89 25 °C 8
2 April 87 24 °C 8
3 November 83 19 °C 7
4 March 82 20 °C 9
5 May 74 28 °C 11
6 September 73 30 °C 7
7 February 68 16 °C 8
8 December 63 14 °C 7
9 June 62 31 °C 9
10 January 60 13 °C 7
11 August 60 34 °C 5
12 July 58 34 °C 6

When to think twice

July scores lowest with about 6 wet days and highs near 34 °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 13.2 °C 73 mm 50 %
February 15.6 °C 76 mm 53 %
March 19.7 °C 101 mm 53 %
April 24.0 °C 111 mm 49 %
May 27.6 °C 142 mm 54 %
June 31.5 °C 94 mm 45 %
July 34.0 °C 49 mm 39 %
August 34.0 °C 57 mm 37 %
September 30.4 °C 84 mm 38 %
October 25.0 °C 105 mm 39 %
November 18.5 °C 93 mm 45 %
December 13.8 °C 95 mm 50 %

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.