Monthly Climate
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Best time to visit Arrah

December is the best time to visit Arrah for general sightseeing, with average highs of 24 °C and about 1 wet days. The comfortable season runs roughly November to February.

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 December comfort 95/100
The least cloud November 15 % average cloud cover
The least rain November 6 mm
Warmth May 38 °C
Cooler weather January 22 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 December 95 24 °C 1
2 January 94 22 °C 2
3 February 93 26 °C 2
4 November 87 28 °C 1
5 March 74 32 °C 2
6 October 71 30 °C 6
7 April 51 38 °C 3
8 May 46 38 °C 5
9 September 43 31 °C 20
10 August 39 32 °C 26
11 July 38 32 °C 25
12 June 35 36 °C 15

When to think twice

June scores lowest with about 15 wet days and highs near 36 °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 22.0 °C 17 mm 22 %
February 25.9 °C 16 mm 19 %
March 32.3 °C 10 mm 19 %
April 37.5 °C 12 mm 20 %
May 38.3 °C 28 mm 21 %
June 36.2 °C 180 mm 59 %
July 32.2 °C 326 mm 88 %
August 31.7 °C 286 mm 88 %
September 31.0 °C 202 mm 67 %
October 30.2 °C 47 mm 28 %
November 27.7 °C 6 mm 15 %
December 23.7 °C 7 mm 18 %

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.