Monthly Climate
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Best time to visit Jiamusi

September is the best time to visit Jiamusi for general sightseeing, with average highs of 20 °C and about 9 wet days. The comfortable season runs roughly May to June.

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 September comfort 87/100
The least cloud January 38 % average cloud cover
The least rain January 6 mm
Warmth July 27 °C
Cooler weather January -13 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 87 20 °C 9
2 June 85 25 °C 12
3 May 82 20 °C 11
4 August 81 25 °C 12
5 July 74 27 °C 14
6 April 57 12 °C 7
7 October 53 11 °C 7
8 November 39 -1.2 °C 4
9 March 38 1.8 °C 4
10 December 38 -12 °C 3
11 February 38 -7.4 °C 2
12 January 37 -13 °C 2

When to think twice

January scores lowest with about 2 wet days and highs near -13 °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 -13.3 °C 6 mm 38 %
February -7.4 °C 6 mm 42 %
March 1.8 °C 18 mm 51 %
April 12.4 °C 35 mm 57 %
May 19.7 °C 64 mm 62 %
June 24.6 °C 88 mm 65 %
July 26.8 °C 124 mm 66 %
August 24.9 °C 117 mm 63 %
September 19.9 °C 59 mm 49 %
October 10.8 °C 39 mm 43 %
November -1.2 °C 17 mm 43 %
December -11.8 °C 10 mm 41 %

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.