Monthly Climate
Menu

Best time to visit Sitiawan

January is the best time to visit Sitiawan for general sightseeing, with average highs of 28 °C and about 26 wet days.

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 51/100
A beach holiday December sea 29 °C
The least cloud February 73 % average cloud cover
The least rain July 144 mm
Warmth May 30 °C
Cooler weather December 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 January 51 28 °C 26 69
2 December 51 28 °C 28 69
3 November 50 28 °C 29 68
4 October 50 29 °C 28 67
5 February 50 29 °C 23 67
6 September 49 29 °C 24 66
7 August 48 29 °C 23 65
8 July 48 29 °C 21 64
9 March 48 29 °C 27 65
10 April 47 29 °C 28 64
11 June 47 30 °C 20 63
12 May 46 30 °C 26 63

For a beach holiday

December scores highest, with a sea temperature of 29 °C and air temperatures around 28 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 29 °C 28 °C 78 % 69
February 30 °C 29 °C 73 % 67
March 30 °C 29 °C 76 % 65
April 30 °C 29 °C 83 % 64
May 30 °C 30 °C 87 % 63
June 30 °C 30 °C 82 % 63
July 30 °C 29 °C 83 % 64
August 30 °C 29 °C 85 % 65
September 30 °C 29 °C 87 % 66
October 30 °C 29 °C 90 % 67
November 29 °C 28 °C 91 % 68
December 29 °C 28 °C 87 % 69

When to think twice

May scores lowest with about 26 wet days and highs near 30 °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 28.4 °C 229 mm 78 %
February 29.0 °C 168 mm 73 %
March 29.4 °C 226 mm 76 %
April 29.4 °C 251 mm 83 %
May 29.7 °C 220 mm 87 %
June 29.6 °C 145 mm 82 %
July 29.3 °C 144 mm 83 %
August 29.3 °C 168 mm 85 %
September 29.0 °C 217 mm 87 %
October 28.7 °C 291 mm 90 %
November 28.4 °C 378 mm 91 %
December 28.2 °C 318 mm 87 %

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.