Cambodia

Cambodia Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Cambodia in May.

Planning a trip to Cambodia this May? Here's what you need to know about the weather:

What to Expect in Cambodia in May

May in Cambodia generally has temperatures that range from very warm to very hot, with precipitation levels ranging from high to heavy.

Temperatures

The average maximum daytime temperatures vary from very warm in Koh Rong Island at 30°C (86°F) to very hot in Battambang at 37°C (99°F). Nighttime temperatures generally drop to 27°C (81°F) in Battambang and 27°C (81°F) in Koh Rong Island. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To explore the conditions in Cambodia in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Battambang with an average of 134 mm (5.3 in) to heavy rainfall in Sihanoukville with 387 mm (15 in).

Explore Cambodia by month

Best Places to Visit in Cambodia in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Cambodia.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Cambodia

What is the weather like in May for some of the most popular destinations in Cambodia?

Temperature range in Cambodia (May)

Precipitation variation in Cambodia (May)

Siem Reap

In May Siem Reap generally has extremely high temperatures with maximum daytime temperatures around 35°C (95°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
36°C (97°F)
35°C (95°F)
34°C (93°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
107 mm (4.2 in)
168 mm (6.6 in)
158 mm (6.2 in)
Monthly rainy days
7 days
15 days
15 days
Weather conditions

Phnom Penh

In May Phnom Penh generally has extremely high temperatures with maximum daytime temperatures around 36°C (97°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
37°C (99°F)
36°C (97°F)
35°C (95°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
241 hours
203 hours
192 hours
Monthly rainfall
94 mm (3.7 in)
157 mm (6.2 in)
159 mm (6.3 in)
Monthly rainy days
7 days
15 days
16 days
Weather conditions

Sihanoukville

In May Sihanoukville generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
250 hours
225 hours
199 hours
Monthly rainfall
124 mm (4.9 in)
387 mm (15 in)
523 mm (21 in)
Monthly rainy days
9 days
17 days
19 days
Weather conditions

Kampot

In May Kampot generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
250 hours
225 hours
199 hours
Monthly rainfall
128 mm (5 in)
222 mm (8.7 in)
265 mm (10 in)
Monthly rainy days
8 days
16 days
18 days
Weather conditions

Battambang

In May Battambang generally has extremely high temperatures with maximum daytime temperatures around 37°C (99°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
38°C (100°F)
37°C (99°F)
36°C (97°F)
Min temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
101 mm (4 in)
134 mm (5.3 in)
129 mm (5.1 in)
Monthly rainy days
8 days
15 days
14 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Cambodia.

Popular cities in May

Day & night temperatures, rainfall and average weather in Cambodia in May.

City Weather Day temp Night temp Rainfall
Siem Reap 35°C (95°F) 27°C (81°F) 168 mm (6.6 in)
Phnom Penh 36°C (97°F) 27°C (81°F) 157 mm (6.2 in)
Sihanoukville 31°C (88°F) 27°C (81°F) 387 mm (15 in)
Kampot 32°C (90°F) 26°C (79°F) 222 mm (8.7 in)
Sen Monorom 31°C (88°F) 23°C (73°F) 235 mm (9.3 in)
Banlung 34°C (93°F) 25°C (77°F) 289 mm (11 in)

Cambodia weather in May: frequently asked questions

What is the weather like in Cambodia in May?

Cambodia typically experiences poor weather in May, part of the season. Daytime highs in Siem Reap average around 35°C (95°F), and temperatures drop to about 27°C (81°F) at night.

What is the average temperature in Cambodia in May?

In Siem Reap, the average daytime high in May is 35°C (95°F), while nighttime temperatures drop to around 27°C (81°F).

Does Cambodia get a lot of rain in May?

Expect plenty of rainfall. Siem Reap records an average of 168 mm (6.6 in) in May, putting it among the wetter months for Cambodia.

Is May a Good Time to Visit Cambodia?

Given the typically poor weather conditions in Siem Reap, May may not be the ideal time to visit Cambodia.

Generally speaking, December provides pleasant weather in Siem Reap. In contrast, February, March, April, May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Cambodia.

Weather and climate has detailed information for every country in the world. Are you going to Cambodia? Get detailed historical weather averages for many cities in Cambodia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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