The climate in Ko Samui during July can be summarized as hot, humid and wet.
July is in the summer in Ko Samui and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
|Daytime temperature||31.2°C 88.1°F|
|Nightly temperature||23.9°C 74.9°F|
|Average temperature||27.5°C 81.5°F|
|Daily sunshine||6.2 hrs|
|Avg rainfall||146 mm 5.7 ins|
|Rainy days||17 days|
|Sea temperature||29.5°C 85.1°F|
|Windspeed||8.6kph 5 mph|
On average July is the 5th wettest month of the year in Ko Samui with around 146mm 5.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in July 2019.
|Hottest month:||April||31.6°C 88.9°F|
|Driest month:||February||39mm 1.5ins|
|Coldest month:||January||28.4°C 83.1°F|
|Wettest month:||November||463mm 18.2ins|