Monthly Climate
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Best time to visit Purnia

January is the best time to visit Purnia for general sightseeing, with average highs of 23 °C and about 2 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 January comfort 95/100
The least cloud November 18 % average cloud cover
The least rain November 6 mm
Warmth April 35 °C
Cooler weather January 23 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 January 95 23 °C 2
2 December 95 24 °C 1
3 February 92 26 °C 2
4 November 86 28 °C 1
5 March 75 32 °C 3
6 October 67 30 °C 9
7 April 58 35 °C 7
8 May 45 33 °C 16
9 September 44 31 °C 24
10 August 41 31 °C 28
11 July 40 31 °C 29
12 June 39 32 °C 24

When to think twice

June scores lowest with about 24 wet days and highs near 32 °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 22.7 °C 13 mm 23 %
February 26.1 °C 16 mm 21 %
March 31.8 °C 20 mm 22 %
April 34.6 °C 47 mm 32 %
May 33.3 °C 161 mm 47 %
June 32.0 °C 316 mm 77 %
July 31.3 °C 379 mm 92 %
August 31.3 °C 339 mm 90 %
September 30.7 °C 297 mm 75 %
October 29.9 °C 97 mm 35 %
November 27.9 °C 6 mm 18 %
December 24.5 °C 6 mm 20 %

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.