Koh Samui in July

Average high

32°C

90°F

Average low

25°C

77°F

Precipitation

117 mm

Wet days

11

Climate data: World Meteorological Organization (Ko Samui, 1991–2020). Temperatures are averages of daily highs and lows.

Is July a good time to visit Koh Samui?

July is a reasonable month in Koh Samui — with trade-offs. It ranks 7 of 12 months in Koh Samui overall (5 for weather, 6 for space, 6 for value). The main upside: Good weather vs. the Andaman coast. The main downside: European summer crowds.

What is the weather like in Koh Samui in July?

Average highs are around 32°C and lows around 25°C. Expect about 117 mm of rain or snow over roughly 11 wet days. Hot, around 32°C, with showers. For comparison, the warmest month is May (around 33°C) and the coolest is January (around 29°C).

Is Koh Samui crowded in July?

Crowds are moderate-high. Moderate to busy. The quietest month is November.

How expensive is Koh Samui in July?

Prices are at level 4 of 5 ($$$$). Moderate rates. The best-value month is November.

When is the best time to visit Koh Samui?

In the CrowdFreeViews month scores, February is the best month overall (July ranks 7 of 12). The quietest month is November and the best value is November.