Monthly Climate
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Best time to visit Chon Buri

December is the best time to visit Chon Buri for general sightseeing, with average highs of 31 °C and about 2 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 74/100
A beach holiday December sea 28 °C
The least cloud February 39 % average cloud cover
The least rain December 11 mm
Warmth April 34 °C
Cooler weather October 30 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 December 74 31 °C 2 92
2 January 72 31 °C 4 89
3 November 67 31 °C 7 81
4 February 66 32 °C 5 83
5 March 53 33 °C 10 66
6 October 47 30 °C 22 65
7 September 45 30 °C 24 64
8 April 45 34 °C 14 53
9 August 43 31 °C 23 63
10 July 43 31 °C 22 61
11 June 41 32 °C 20 57
12 May 39 32 °C 21 53

For a beach holiday

December scores highest, with a sea temperature of 28 °C and air temperatures around 31 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 27 °C 31 °C 44 % 89
February 28 °C 32 °C 39 % 83
March 29 °C 33 °C 45 % 66
April 30 °C 34 °C 58 % 53
May 31 °C 32 °C 81 % 53
June 30 °C 32 °C 87 % 57
July 30 °C 31 °C 88 % 61
August 30 °C 31 °C 90 % 63
September 29 °C 30 °C 89 % 64
October 29 °C 30 °C 77 % 65
November 29 °C 31 °C 56 % 81
December 28 °C 31 °C 50 % 92

When to think twice

May scores lowest with about 21 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 31.4 °C 21 mm 44 %
February 32.3 °C 24 mm 39 %
March 33.1 °C 61 mm 45 %
April 33.7 °C 94 mm 58 %
May 32.5 °C 143 mm 81 %
June 31.6 °C 120 mm 87 %
July 31.0 °C 131 mm 88 %
August 30.8 °C 133 mm 90 %
September 30.4 °C 229 mm 89 %
October 30.2 °C 199 mm 77 %
November 30.9 °C 42 mm 56 %
December 30.8 °C 11 mm 50 %

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.