Monthly Climate
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Best time to visit Tân An

January is the best time to visit Tân An for general sightseeing, with average highs of 30 °C and about 4 wet days. The comfortable season runs roughly December to March.

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 January comfort 71/100
The least cloud March 50 % average cloud cover
The least rain February 12 mm
Warmth April 33 °C
Cooler weather December 30 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 January 71 30 °C 4
2 February 68 32 °C 2
3 December 65 30 °C 10
4 March 62 33 °C 4
5 November 52 30 °C 17
6 April 49 33 °C 12
7 October 47 30 °C 27
8 September 45 30 °C 28
9 July 45 30 °C 29
10 August 45 30 °C 29
11 June 43 31 °C 27
12 May 39 32 °C 25

When to think twice

May scores lowest with about 25 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 30.4 °C 25 mm 60 %
February 31.7 °C 12 mm 52 %
March 32.9 °C 25 mm 50 %
April 33.5 °C 72 mm 56 %
May 32.5 °C 195 mm 79 %
June 30.9 °C 245 mm 84 %
July 30.3 °C 249 mm 85 %
August 30.4 °C 266 mm 85 %
September 30.3 °C 310 mm 88 %
October 30.0 °C 300 mm 82 %
November 30.0 °C 139 mm 70 %
December 29.8 °C 69 mm 71 %

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.