Climate and monthly weather forecast
Kep, Cambodia

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The climate of Kep

Kep, a stunning coastal city located in Cambodia falls under the Am category of the Köppen climate classification—a Tropical Monsoon climate. This characterisation is a representation of the weather patterns Kep endures throughout the year.

In this region, temperatures stay relatively stable, with minor variations across the months. The average high temperatures remain fairly consistent, fluctuating between 29.3°C (84.7°F) and 31.8°C (89.2°F) throughout the year. On the contrary, the low temperatures range from 23.3°C (73.9°F) to 27.3°C (81.1°F). Therefore, Kep experiences a warm, tropical climate year-round.

The disparity in weather conditions is more evident in the distribution of rainfall, garnering the region's monsoon classification. Rainfall escalates from a gentle 22mm (0.87") in February to a significant 161mm (6.34") in October, presenting a diverse scenario of weather conditions. The number of rain-filled days also rise across the year, from under 13 days in January to over 26 days in October.

The humidity too, follows a similar upward trend from the beginning of the year, starting at 69% in January and peaking at 80% in September and October. An added layer to Kep's climate is shed by the cloud cover, which also proliferates from 27% in January to 46% in July and September.

The best time to visit Kep

Analysing the above weather patterns, the prime window to visit Kep stretches from December to February. During these months, temperatures remain comfortable hovering between 23.3°C (73.9°F) to 30.8°C (87.4°F). Additionally, rainfall is relatively low during this period, providing ample opportunities for outdoor activities. February arguably presents the most favorable conditions with only 22mm (0.87") of rain spread across 12 days, coupled with 9.4 hours of sunshine each day.

The worst time to visit Kep

The least favorable period to visit Kep transpires from June to October. This interval is characterized by the height of the monsoon season with rainfalls increasing steeply, reaching into 161mm (6.34") in October. The number of rainy days also climbs substantially during this period, providing less favorable conditions for tourist activities, especially outdoors.

Spring weather in Kep

Spring in Kep ushers in rising temperatures, ramping up from an average high of 29.8°C (85.6°F) in March to 31.8°C (89.2°F) in May. The rainfall similarly multiplies from 56mm (2.2") to 112mm (4.41") across these months. The commencement of the monsoon season is well noted as the number of rainy days increase from 22 in March to over 25 in May.

Summer weather in Kep

Summer comfort in Kep is marred by the intense monsoon season. The period from June to August observes a slight reduction in maximum temperatures from 30.3°C (86.5°F) to 29.9°C (85.8°F). However, this slight letup in heat is counterbalanced by increasing rainfall. June experiences a significant 109mm (4.29") of rainfall that slightly decreases to 107mm (4.21") by August. Daily sunshine hours are dampened to 9.4 in June and further to 9.5 in August.

Autumn weather in Kep

Kep's autumn season can be characterized by its highest rainfall values. From September to November, the city experiences a crescendo of rainfall peaking at a substantial 161mm (6.34") in October. Despite this, average high temperatures maintain a level of consistency, fluctuating gently from 29.3°C (84.7°F) to 29.8°C (85.6°F).

Winter weather in Kep

Winter is a season of relief in Kep as the monsoon season steadily recedes. December marks a significant reduction in rainfall to 35mm (1.38"), along with a decrease in wet days to just over 13. Despite this, humidity remains relatively high at 73%. Temperatures remain comfortably warm, with average highs from 29.8°C (85.6°F) to 29.3°C (84.7°F) and average lows from 24.7°C (76.5°F) to 23.5°C (74.3°F). Overall, winter's cooler, drier weather marks it as an ideal time for travel to Kep.

Weather in January

Kep, Cambodia greets the new year with warmth, despite January being considered winter for most of the northern hemisphere. The location's tropical climate ensures warm temperatures throughout the year, with January being no exception. Weather in January »

Weather in February

As winter gives way to spring, February in Kep becomes slightly warmer while maintaining a steady humidity level. This temperature uptick marks the onset of a dry phase, ideal for outdoor activities and sightseeing. Relative to January, the city receives less rainfall with a reduction to 22mm (0.87"). Weather in February »

Weather in March

March in Kep, Cambodia indicates the beginning of the summer, reflected in the increased temperatures and humidity. This month witnesses a surprising jump in rainfall to 56mm (2.2"), marking an early onset of the wetter part of the year. Weather in March »

Weather in April

April brings the peak of summer to Kep, with temperatures and humidity gradually soaring towards their annual highs. The weather becomes more unstable, with dramatic increases in rainfall to 125mm (4.92"). This marks the significant transition from the dry to wet season. Weather in April »

Weather in May

In May, Kep's weather transitions fully into the rainy season with 112mm (4.41") rainfall, making it the beginning of monsoon. This month experiences the highest average temperatures, indicating the tropical nature of Kep's climate. Weather in May »

Weather in June

June in Kep, Cambodia bears the brunt of the rainy season with a slight decrease in average temperatures and a significant increase in humidity levels. A 109mm (4.29") rainfall is noted, a decrease from May's showers, yet cloud cover and relative humidity reach their yearly peak. Weather in June »

Weather in July

In July, the weather in Kep continues to remain wet and humid, although a marginal decrease in rainfall to 94mm (3.7") is observed. The month witnesses a blend of cloudy and sunny days, with sunnier days outnumbering the rain-soaked ones. Weather in July »

Weather in August

August experiences similar weather patterns as July in Kep, Cambodia. The city grapples with consistent rainfall of 107mm (4.21"), lending to the city's lush green environment. Throughout the month, one can expect a dynamic interplay between rain showers and periods of bright sunshine. Weather in August »

Weather in September

September marks the tail end of the rainy season in Kep, with rainfall intensifying to 125mm (4.92"). The weather remains consistent with that of August, with high humidity levels and a sizable number of cloudy days. As the monsoon season starts to ebb away, the city begins to transition to the dry and slightly cooler part of the year. Weather in September »

Weather in October

October in Kep, Cambodia offers a significant break from the relentless monsoon season with a rise in rainfall to 161mm (6.34") - the highest for the year. The city begins to witness more clear skies as the number of rainy days starts to decline. Weather in October »

Weather in November

November brings a noticeable change to Kep's weather with a decline in rainfall to 113mm (4.45"), signaling the end of the wet season. This month carries the remnants of the monsoon, giving way to the more enjoyable dry season. Weather in November »

Weather in December

December in Kep, Cambodia rings in the dry season with significantly less rainfall dropping down to 35mm (1.38"). The humidity dips to its lowest point for the year, creating a more comfortable climate. The temperatures remain warm despite being the last month of the year. Weather in December »
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Frequently asked questions

What is the least humid month in Kep?

The months with the lowest humidity in Kep, Cambodia, are January and February, with an average relative humidity of 69%.

How much does it rain in Kep?

In Kep, during the entire year, the rain falls for 246.3 days and collects up to 1090mm (42.91") of precipitation.

When is the highest UV index in Kep?

The months with the highest UV index in Kep are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Kep?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the driest month in Kep?

The month with the least rainfall is February, when the rain falls for 12.3 days and typically collects 22mm (0.87") of precipitation.

What month has the most sunshine in Kep?

April has the most sunshine of the year in Kep, Cambodia, with an average of 10.5h of sunshine.

What are the warmest months in Kep?

The average temperatures reach their apex in May, averaging 31.8°C (89.2°F) at the high end and 27.3°C (81.1°F) at the low end.

When are the longest days in Kep?

With an average of 12h and 42min of daylight, June has the longest days of the year in Kep, Cambodia.

What are the coldest months in Kep?

September and December are the coldest months in Kep, with an average high-temperature of 29.3°C (84.7°F).

What are the most humid months in Kep?

The months with the highest humidity are September and October, with an average relative humidity of 80%.

What is the rainiest month in Kep?

The month with the most rainfall is October, when the rain falls for 26.5 days and typically aggregates up to 161mm (6.34") of precipitation.

What is the month with the shortest days in Kep?

December has the shortest days of the year in Kep, Cambodia, with an average of 11h and 30min of daylight.

Is there Daylight Saving Time (DST) in Kep?

Kep does not utilize Daylight Saving Time (DST). +07 timezone is used throughout the entire year.

What is the month with the least sunshine in Kep?

The month with the least sunshine in Kep, Cambodia, is December, with an average of 7.1h of sunshine.

Average temperature
Kep, Cambodia

Average temperature - Kep, Cambodia

The warmest month (with the highest average high temperature) is May (31.8°C).
The months with the lowest average high temperature are September and December (29.3°C).

The month with the highest average low temperature is May (27.3°C).
The coldest month (with the lowest average low temperature) is January (23.3°C).

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Average pressure
Kep, Cambodia

Average pressure - Kep, Cambodia

The month with the highest atmospheric pressure is January (1011.8mbar).
The months with the lowest atmospheric pressure are June and July (1007.7mbar).

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Average wind speed
Kep, Cambodia

Average wind speed - Kep, Cambodia

The windiest month (with the highest average wind speed) is August (15.3km/h).
The calmest month (with the lowest average wind speed) is October (9.5km/h).

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Average humidity
Kep, Cambodia

Average humidity - Kep, Cambodia

The months with the highest relative humidity are September and October (80%).
The months with the lowest relative humidity are January and February (69%).

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Average rainfall
Kep, Cambodia

Average rainfall - Kep, Cambodia

The wettest month (with the highest rainfall) is October (161mm).
The driest month (with the least rainfall) is February (22mm).

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Average rainfall days
Kep, Cambodia

Average rainfall days - Kep, Cambodia

The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is January (11.8 days).

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Average daylight / Average sunshine
Kep, Cambodia

Average daylight / Average sunshine - Kep, Cambodia

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

The month with the most sunshine is April (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days
Kep, Cambodia

Average sunshine days - Kep, Cambodia

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is April (2.7 days).

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Average UV index
Kep, Cambodia

Average UV index - Kep, Cambodia

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average visibility
Kep, Cambodia

Average visibility - Kep, Cambodia

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Kep, Cambodia

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