When is the best time to go to Phnom Penh

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The chart above shows the best time of year to visit Phnom Penh, Cambodia. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.

Average temperatures in Phnom Penh

Phnom Penh weather by month

Please note our recommendations for when to visit Phnom Penh are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.

January

Phnom Penh January weather averages
Temp Rain Sunshine Day length
29°C 6mm 9.4hrs 12.3hrs

The weather in January in Phnom Penh is characteristically hot, humid and very dry.

It is perhaps a good month to visit Phnom Penh, with some surprisingly good weather at this time of year.

January is in the winter in Phnom Penh and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 21°C (70°F) is normal.

On average January is the driest month of the year in Phnom Penh with around 6mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 9.4 hours of sunshine per day.

Phnom Penh weather in January »

February

Phnom Penh February weather averages
Temp Rain Sunshine Day length
29°C 8mm 9.3hrs 12.5hrs

February in Phnom Penh is generally very dry with the temperature being hot.

It is perhaps a good month to visit Phnom Penh, with some particularly good weather at this time of year.

February is in the winter in Phnom Penh and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 22°C (72°F) is normal.

On average February is the 2nd driest month of the year in Phnom Penh with around 8mm 0.3 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

Phnom Penh weather in February »

March

Phnom Penh March weather averages
Temp Rain Sunshine Day length
31°C 29mm 8.8hrs 12.8hrs

The weather in March in Phnom Penh is characteristically very hot and dry.

Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it a good time to visit Phnom Penh.

March is in the spring in Phnom Penh and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 23°C (74°F) is normal.

On average March is the 3rd driest month of the year in Phnom Penh with around 29mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

Phnom Penh weather in March »

April

Phnom Penh April weather averages
Temp Rain Sunshine Day length
31°C 68mm 8.3hrs 13.1hrs

Phnom Penh's weather in April is typically very hot, humid and reasonably dry in nature.

Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Phnom Penh.

April is in the spring in Phnom Penh and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 35°C (94°F), whilst at night 24°C (75°F) is normal.

On average April is the 4th driest month of the year in Phnom Penh with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

Phnom Penh weather in April »

May

Phnom Penh May weather averages
Temp Rain Sunshine Day length
31°C 166mm 7.2hrs 13.4hrs

May is a wet, humid month in Phnom Penh and the temperature is generally very hot.

Based on weather alone, this is probably a time of year to avoid going to Phnom Penh for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

May is in the spring in Phnom Penh and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 25°C (76°F) is normal.

On average May is the 5th driest month of the year in Phnom Penh with around 166mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.2 hours of sunshine per day.

Phnom Penh weather in May »

June

Phnom Penh June weather averages
Temp Rain Sunshine Day length
30°C 156mm 6.3hrs 12.3hrs

Phnom Penh's weather in June is typically very hot, humid and wet in nature.

Based on weather alone, this is probably a time of year to avoid going to Phnom Penh for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

June is in the summer in Phnom Penh and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 24°C (76°F) is normal.

On average June is the 6th driest month of the year in Phnom Penh with around 156mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.3 hours of sunshine per day.

Phnom Penh weather in June »

July

Phnom Penh July weather averages
Temp Rain Sunshine Day length
29°C 149mm 5.8hrs 12.5hrs

July in Phnom Penh is generally wet with the temperature being very hot.

Based on weather alone, this is probably a time of year to avoid going to Phnom Penh for your holidays. The weather is often not a good and not conducive to spending time outdoors.

July is in the summer in Phnom Penh and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (76°F) is normal.

On average July is the 6th wettest month of the year in Phnom Penh with around 149mm 5.9 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 5.8 hours of sunshine per day.

Phnom Penh weather in July »

August

Phnom Penh August weather averages
Temp Rain Sunshine Day length
29°C 162mm 5.7hrs 12.8hrs

The weather in August in Phnom Penh is characteristically very hot, humid and wet.

Based on weather alone, this is probably a time of year to avoid going to Phnom Penh for your holidays. The weather is often not a good and not conducive to spending time outdoors.

August is in the summer in Phnom Penh and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (76°F) is normal.

On average August is the 5th wettest month of the year in Phnom Penh with around 162mm 6.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

Phnom Penh weather in August »

September

Phnom Penh September weather averages
Temp Rain Sunshine Day length
28°C 245mm 5.3hrs 13.1hrs

Phnom Penh's weather in September is typically hot, humid and very wet in nature.

Based on weather alone, this is probably a time of year to avoid going to Phnom Penh for your holidays. The weather is often not a good and not conducive to spending time outdoors.

September is in the fall / autumn in Phnom Penh and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (76°F) is normal.

On average September is the 4th wettest month of the year in Phnom Penh with around 245mm 9.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.3 hours of sunshine per day.

Phnom Penh weather in September »

October

Phnom Penh October weather averages
Temp Rain Sunshine Day length
28°C 263mm 6.8hrs 13.4hrs

October is a very wet, humid month in Phnom Penh and the temperature is generally hot.

Based on weather alone, this is probably a time of year to avoid going to Phnom Penh for your holidays. The weather is often not a good and not conducive to spending time outdoors.

October is in the fall / autumn in Phnom Penh and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (76°F) is normal.

On average October is the 3rd wettest month of the year in Phnom Penh with around 263mm 10.3 inches of rain making it a very 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 6.8 hours of sunshine per day.

Phnom Penh weather in October »

November

Phnom Penh November weather averages
Temp Rain Sunshine Day length
27°C 115mm 8.2hrs 12.3hrs

November is a damp, humid month in Phnom Penh and the temperature is generally hot.

Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Phnom Penh.

November is in the fall / autumn in Phnom Penh and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.

On average November is the 2nd wettest month of the year in Phnom Penh with around 115mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

Phnom Penh weather in November »

December

Phnom Penh December weather averages
Temp Rain Sunshine Day length
27°C 27mm 9.1hrs 12.5hrs

December in Phnom Penh is generally dry with the temperature being hot.

It is perhaps the perfect month to visit Phnom Penh, with some particularly good weather at this time of year.

December is in the winter in Phnom Penh and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (71°F) is normal.

On average December is the wettest month of the year in Phnom Penh with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.1 hours of sunshine per day.

Phnom Penh weather in December »

Other monthly averages

UV index Best time to go?

Phnom Penh weather stats

Phnom Penh weather statistics
Hottest month: April 34.2°C 93.6°F
Driest month: January 6mm 0.2ins
Sunniest month: January 9.4hrs
Coldest month: December 29.9°C 85.8°F
Wettest month: October 263mm 10.4ins
Warmest sea: May 30.4°C 86.7°F
Map showing location of Phnom Penh (11.56245, 104.91601) Phnom Penh map pin © Google

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