Monthly Climate
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Best time to visit Qazvin

October is the best time to visit Qazvin for general sightseeing, with average highs of 22 °C and about 5 wet days. The comfortable season runs roughly September to October.

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 97/100
The least cloud August 13 % average cloud cover
The least rain August 3 mm
Warmth August 33 °C
Cooler weather January 4.3 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 October 97 22 °C 5
2 May 93 24 °C 7
3 September 87 28 °C 1
4 June 83 30 °C 2
5 April 79 19 °C 11
6 July 74 32 °C 1
7 August 74 33 °C 1
8 November 61 13 °C 8
9 March 53 12 °C 11
10 December 38 6.8 °C 8
11 January 34 4.3 °C 8
12 February 34 6.2 °C 9

When to think twice

February scores lowest with about 9 wet days and highs near 6.2 °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 4.3 °C 47 mm 46 %
February 6.2 °C 55 mm 46 %
March 12.0 °C 72 mm 49 %
April 18.5 °C 72 mm 49 %
May 24.2 °C 31 mm 39 %
June 29.7 °C 7 mm 20 %
July 32.3 °C 4 mm 17 %
August 32.6 °C 3 mm 13 %
September 28.4 °C 4 mm 14 %
October 21.6 °C 30 mm 31 %
November 12.6 °C 56 mm 44 %
December 6.8 °C 48 mm 46 %

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.