: Between August and September, the West Coast can be affected by smoke from agricultural fires in neighboring Sumatra [14, 21].

: The Northeast Monsoon (late year) often causes severe flooding in eastern states like Kelantan and Terengganu [9, 33].

Do not attempt to visit the Perhentian or Redang islands between November and February. You will likely be stuck on the mainland. Conversely, do not visit Langkawi or Pangkor during September and October if you hate rain.

The west coast of Peninsular Malaysia is somewhat shielded from heavy rain by the landmass of Sumatra, Indonesia, making this a relatively drier season for many areas. Inter-Monsoon Periods