Best time to visit Changchun

September is the best time to visit Changchun for general sightseeing, with average highs of 21 °C and about 8 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 90/100
The least cloud January 35 % average cloud cover
The least rain January 4 mm
Warmth July 27 °C
Cooler weather January -10 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 90 21 °C 8
2 May 87 21 °C 9
3 June 81 26 °C 12
4 August 77 26 °C 12
5 July 69 27 °C 14
6 April 64 14 °C 5
7 October 61 13 °C 6
8 January 38 -10 °C 1
9 December 37 -7.5 °C 2
10 February 37 -4.3 °C 2
11 November 36 1.5 °C 4
12 March 36 4.5 °C 4

When to think twice

March scores lowest with about 4 wet days and highs near 4.5 °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 -10.0 °C 4 mm 35 %
February -4.3 °C 6 mm 38 %
March 4.5 °C 17 mm 44 %
April 14.1 °C 28 mm 50 %
May 21.1 °C 67 mm 55 %
June 26.0 °C 101 mm 60 %
July 27.5 °C 172 mm 63 %
August 26.1 °C 139 mm 57 %
September 21.3 °C 64 mm 44 %
October 12.8 °C 36 mm 38 %
November 1.5 °C 20 mm 38 %
December -7.5 °C 8 mm 37 %

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.