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When is the Best Time to Explore Sumatra?

If you're curious when is the best time of year to explore Sumatra, you may find this information about seasonal weather helpful when planning your trip. The warmest months in Sumatra are typically July and August, whereas the coldest months are usually February and January. The months with the most rain are May and June, whereas January and November have the least.

Here's a rundown on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 8°C and at night it is -9°C. Seasonal average rainfall is 64 mm.
• If you visit between April and June, you can expect an average temp of 26°C during the day and 2°C at night. Average rainfall during this season is 192 mm.
• The daytime average temp from July to September is 32°C and the night-time average is 12°C. Average precipitation for this season is 93 mm.
• Between October and December, the average temp during the day is 15°C and -8°C at night. Seasonal average rain is 81 mm.
• The annual rainfall average in Sumatra is 430 mm.