Monthly Climate
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Best time to visit Sai Mai

December is the best time to visit Sai Mai 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 75/100
The least cloud February 39 % average cloud cover
The least rain December 8 mm
Warmth April 35 °C
Cooler weather October 31 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 December 75 31 °C 2
2 January 73 31 °C 3
3 November 69 31 °C 6
4 February 66 33 °C 4
5 March 54 34 °C 8
6 October 46 31 °C 20
7 September 44 31 °C 27
8 August 43 31 °C 26
9 July 42 32 °C 25
10 April 42 35 °C 14
11 June 40 32 °C 25
12 May 36 33 °C 23

When to think twice

May scores lowest with about 23 wet days and highs near 33 °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 31.2 °C 16 mm 42 %
February 32.6 °C 18 mm 39 %
March 34.0 °C 56 mm 45 %
April 34.8 °C 93 mm 58 %
May 33.5 °C 186 mm 80 %
June 32.4 °C 181 mm 88 %
July 31.8 °C 186 mm 89 %
August 31.5 °C 206 mm 91 %
September 31.1 °C 283 mm 88 %
October 30.6 °C 178 mm 72 %
November 31.0 °C 35 mm 53 %
December 30.7 °C 8 mm 46 %

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.