Phnom Penh Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore temperature statistics for Phnom Penh in Phnom Penh Municipality, Cambodia, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Cambodia.
Monthly Temperature Averages
The temperature in Phnom Penh changes very little across the seasons, maintaining a similar climate throughout the year. Average maximum daytime temperatures range from a very hot 37°C in April, the warmest time of the year, to a very warm 33°C during cooler months like January. At night, minimum temperatures typically average around 23°C during these months.
The chart below illustrates the average maximum day and minimum night temperatures in Phnom Penh by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest. April, the city’s warmest month receives 241 hours of sunshine.
The chart below shows the average temperature throughout the year:
January, the city’s coldest month, sees about 17 mm of rainfall spread over roughly a single day. It records 258 hours of sunshine of sunshine.
Annual Temperatures in Cambodia Compared
The map below shows the annual temperature across Cambodia. You can also select the different months in case you are interested in a specific month.
very warm
warm
pleasant
moderate
cold
very cold
Phnom Penh Temperatures Compared World Wide
Phnom Penh’s average annual maximum temperature is 34°C. Let’s compare this with some popular tourist destinations:
Athens, Greece, experiences an average annual temperature of 23°C, with hot summers and mild winters typical of a Mediterranean climate.
In Toronto, Canada, the average annual temperature is 13°C, with snowy winters and warm summers.
Boston, USA, experiences seasonal shifts similar to New York, with an average annual temperature of 16°C.
In Brisbane, Australia, the average annual temperature is 26°C, making it warmer than Sydney.
How does the temperature feel?
Humidity is an essential factor in how you experience temperature. When a warm period is accompanied by high humidity, it results in a higher perceived temperature. This is especially true when temperatures exceed 25°C, as it can cause greater discomfort.
In Phnom Penh, during the coolest month, January, you will experience 72% humidity, which is considered high. This is accompanied by an average maximum temperature of 34°C. In the warmest month, April, the humidity is 73% combined with an average maximum temperature of 37°C, which creates a high-feel temperature. Explore our detailed page on humidity levels for further details.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Effects of Temperature on Weather and Climate
Temperature variations influence precipitation patterns in Amsterdam:
Rainfall: Warm air holds more moisture, leading to heavier rain during warmer months. However, precipitation is generally moderate year-round.
Snow: Occasional snowfall occurs in winter, though it rarely lasts very long.
For more detailed information about Phnom Penh’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Phnom Penh climate page.
Current temperature in Phnom Penh
