Monthly Climate
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Best time to visit Long Bien

December is the best time to visit Long Bien for general sightseeing, with average highs of 21 °C and about 6 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 December comfort 95/100
The least cloud October 57 % average cloud cover
The least rain February 28 mm
Warmth June 32 °C
Cooler weather January 20 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 December 95 21 °C 6
2 February 92 22 °C 7
3 January 89 20 °C 8
4 November 88 25 °C 7
5 March 83 25 °C 10
6 October 69 28 °C 12
7 April 68 29 °C 11
8 May 48 31 °C 18
9 September 47 30 °C 20
10 August 41 31 °C 24
11 June 40 32 °C 19
12 July 38 32 °C 22

When to think twice

July scores lowest with about 22 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 19.6 °C 40 mm 79 %
February 21.7 °C 28 mm 80 %
March 24.7 °C 56 mm 80 %
April 28.6 °C 93 mm 73 %
May 31.0 °C 236 mm 76 %
June 32.5 °C 245 mm 88 %
July 32.2 °C 287 mm 85 %
August 31.3 °C 357 mm 82 %
September 30.2 °C 262 mm 71 %
October 28.2 °C 127 mm 57 %
November 25.0 °C 59 mm 58 %
December 20.9 °C 33 mm 65 %

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.