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Koh Dach Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Koh Dach.
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Climate overview of Koh Dach
Koh Dach, Kandal Province, Cambodia, enjoys a steady climate throughout the year, with daytime temperatures typically around 35°C (95°F). April is the warmest month at 37°C (99°F), while December is the coolest at 33°C (91°F).
The city receives considerable rainfall, with around 1426 mm (56 in) annually. September is the wettest month. It has distinct dry (December to February) and wet (August to October) seasons. March is the sunniest month, averaging 9.0 hours of sunshine per day.
Koh Dach Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koh Dach - and find the best time to visit.
Monthly Temperature in Koh Dach
The temperature in Koh Dach remains steady throughout the year, providing a consistently very hot climate. Typically, average maximum daytime temperatures range from a very hot 37°C (99°F) in April to a very warm 33°C (91°F) in the coolest month, December.
Nights vary from 27°C (81°F) in April to around 23°C (73°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Koh Dach
Koh Dach has a relatively rainy climate with high precipitation levels, averaging 1426 mm (56 in) of rainfall annually. The climate in Koh Dach shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 262 mm (10 in) of precipitation over 19 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 11 mm (0.4 in) of rainfall over a single rainy day. For more details, please visit our Koh Dach Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Koh Dach
For those who appreciate different seasons, Koh Dach serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 9.0 hours of sunshine daily, and embrace the darker days in September, offering only 4.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Phnom Penh, Cambodia (16 KM, 10 Miles).
Daily hours of sunshine
Data from: Phnom Penh, Cambodia (16 KM, 10 Miles).
Humidity in Koh Dach by Month
The relative humidity is high throughout the year in Koh Dach.
The city experiences its highest humidity in September, reaching 84%. In February, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Phnom Penh, Cambodia (16 KM, 10 Miles).
Wind Speed in Koh Dach
The average wind speed over the year ranges from 2 m/s (4 knots) to 3 m/s (6 knots). It is lower in January, February, May, September and October and higher in March, April, June, July, August, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Phnom Penh, Cambodia (16 KM, 10 Miles).
Best Time to Visit Koh Dach
The most favourable weather available in Koh Dach usually occurs in December. Conditions are generally most challenging in January, February, March, April, May, June, July, August, September and October.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very hot
Feb
very hot
Mar
very hot
Apr
very hot
May
very hot
Jun
very hot
Jul
very hot
Aug
very hot
Sep
very wet
Oct
very wet
Nov
mixed
Dec
good
- Best overall: December
- Warmest weather: March, April and May
- Most sunshine: January and March
- Fewest rainy days: January and February
- Wettest months: May, June, July, August, September and October, when rainfall is highest.
- Seasonal pattern: Distinct dry (December to February) and wet (August to October) seasons
Frequently asked questions about the climate in Koh Dach
What is the best time to visit Koh Dach?
December typically offers the most optimal weather in Koh Dach. In contrast, January, February, March, April, May, June, July, August, September and October tend to have less optimal conditions. Koh Dach has distinct dry (December to February) and wet (August to October) seasons.
What temperatures can I expect in Koh Dach?
Daytime highs range from 33°C (91°F) in December to 37°C (99°F) in April. Nighttime lows range from 23°C (73°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Koh Dach get?
Annual rainfall is around 1426 mm (56 in). September is the wettest month with 262 mm (10 in), while February is the driest with 11 mm (0.4 in).
How sunny is Koh Dach?
Koh Dach receives around 2,501 hours of sunshine per year. March is the sunniest month with 270 hours, while September is the cloudiest with just 129 hours. Overall, Koh Dach enjoys abundant sunshine.
Koh Dach 3-Day Forecast
Koh Dach on the map
Koh Dach is highlighted - select any city to see its climate.
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Where to go in October - average daytime high across popular destinations.
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