Weather in Ko Samui in August 2024
Average weather
Average temperature in Ko Samui in August
The temperature in August is +81°F on average, with a range between a maximum of +84°F during the day and a minimum of +75°F at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +81°F to +81°F.
Is Ko Samui warm or cold in August?
Ko Samui is typically warm in August.
Maximum temperatures go up compared to the previous month from +81°F to +81°F. The minimum temperature also goes down from +77°F to +77°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how August is compared to other months in Ko Samui:
Climate in Ko Samui in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +81°F | +81°F | +81°F | ||||
| Min. temperature | ||||||
| +70°F | +68°F | +70°F | ||||
| Max. temperature | ||||||
| +91°F | +91°F | +90°F | ||||
| Rainfall | ||||||
| 81 mm | 85 mm | 141 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 77% | 77% | 79% | ||||
| Air pressure | ||||||
| 1007 HPa | 1007 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 20 | 20 | 13 | ||||
| Rainy days | ||||||
| 11 | 11 | 17 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +81°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 81 mm to 85 mm. Humidity levels don’t change as the month goes on, averaging around 77%. The average wind speed doesn’t change much during August, staying around 3 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Ko Samui is gradually decreasing during August, going from 3 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in Ko Samui?
Climate Change Over the Years
The climate in Ko Samui in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+84°F) and the highest in 2012 (+88°F). The driest year was 1984 with only 27 mm of rainfall, and the wettest year was 1983 with 195 mm.
FAQ
Is August a good time to visit Ko Samui?
Can you sunbathe in Ko Samui in August?
Is Ko Samui rainy in August?
Is it sunny in Ko Samui in August?
Other cities in Thailand
Monthly weather in Ko Samui
Source of the data
For this page, we’ve looked at the typical weather in Ko Samui, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.