Monthly Climate
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Best time to visit Sinop

June is the best time to visit Sinop for general sightseeing, with average highs of 31 °C and about 1 wet days. The comfortable season runs roughly May to August.

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 June comfort 76/100
The least cloud July 25 % average cloud cover
The least rain July 1 mm
Warmth September 34 °C
Cooler weather January 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 June 76 31 °C 1
2 July 76 32 °C 0
3 May 72 30 °C 6
4 August 69 33 °C 1
5 September 61 34 °C 8
6 April 54 29 °C 19
7 January 53 28 °C 28
8 February 53 29 °C 26
9 December 53 29 °C 27
10 March 53 29 °C 26
11 November 51 29 °C 25
12 October 47 31 °C 20

When to think twice

October scores lowest with about 20 wet days and highs near 31 °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 28.4 °C 293 mm 88 %
February 28.6 °C 275 mm 87 %
March 28.7 °C 249 mm 86 %
April 29.2 °C 124 mm 73 %
May 30.2 °C 32 mm 57 %
June 31.1 °C 5 mm 35 %
July 31.7 °C 1 mm 25 %
August 33.4 °C 7 mm 30 %
September 33.5 °C 53 mm 48 %
October 31.4 °C 143 mm 72 %
November 29.4 °C 226 mm 84 %
December 28.6 °C 288 mm 87 %

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.