Ko Samui: July Weather


Ko Samui Weather in July

July is considered peak season in Ko Samui.

You can expect very hot, sunny days interspersed with the occasional late afternoon tropical downpour. Daytime temperatures average 29°C (84°F).

Weather conditions in July are great for swimming, snorkelling, scuba diving and kayaking. It’s also a good time to explore Ko Samui on foot or by elephant.


Ko Samui Weather Averages in July 

Average Temperature (°C)  Temperature icon  29°C (80°F)
Average High Temperature (°C)  Temperature icon  32°C (89°F)
Average Low Temperature (°C)  temperature icon  25°C (77°F)
Hours of Sunshine (Daily)  sun icon  6 hours per day
Hours of Daylight (Daily)  13  13 hours per day
Comfort Level  Very high heat & humidity icon  Very high heat & 80% humidity
UV Index  11  Extreme
Days with some Rainfall  umbrella icon  9 days
Average Monthly Rainfall (mm)  rain cloud  120mm
Sea Temperature (°C)  swimming icon  29°C (84°F)
Weather averages for Ko Samui, Thailand

Best time to visit Ko Samui

The best time to visit Ko Samui is during the dry season from late-December to April, with February to April usually the driest months averaging 28°C (82°F).

Ko Samui Annual Weather


Ko Samui Monthly Weather Review

January February March April May June
July August September October November December
Latest update on this honeymoon destination: 11 June, 2020
SAVE $$$ on travel deals to the best honeymoon destinations
Honeymoon in Ko Samui – Search, compare and book the lowest possible prices on discounted airfares and hotels from our online travel partners.
© 2010-2020 Honeymoon Guide. All rights reserved. No part of this site may be reproduced without our written permission. Note: This information about top honeymoon destinations – Ko Samui July weather averages – was accurate when it was published, but can change without notice.