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Phnom Penh in March: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Phnom Penh in March will be like? Take a look at our weather guide for Phnom Penh, based on historical data.
Check flight prices to Phnom Penh on Avionero:
March

Weather in Phnom Penh in March 2025

OK Weather
Hot
🌧️
Rainy
If you plan to visit Phnom Penh in March, the weather is typically alright, with an average high temperature of +95°F during the day and approximately 8 sunny days. Expect some rainy, though, as there are typically 12 rainy days in the month and around 38 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+95°F
Avg. max. temperature
+64°F
Min.
+104°F
Max.
38 mm
Total precipitation
65%
Avg. humidity
2 m/s
Avg. wind
8 ☀️
Sunny Days
10 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Phnom Penh has OK weather in March.

Average temperature in Phnom Penh in March

Here are the expected maximum, average and minimum temperatures in Phnom Penh for March based on the historical data.
Last Year
Historical Data

Going from a maximum of +99°F during the day to a minimum of +72°F during the night, the temperature in March averages around +93°F.

The average maximum temperature goes up 7% by the end of the month, compared with the beginning of the month, from +93°F to +95°F.

Is Phnom Penh warm or cold in March?

Phnom Penh is typically hot in March.

Maximum temperatures go up compared to the previous month from +91°F to +95°F. The minimum temperature also goes up from +75°F to +77°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

March is one of the warmest months in Phnom Penh, here is the comparison with other months:

Climate in Phnom Penh in March

Phnom Penh weather looks like this, on average, in March and the surrounding months.
FebruaryMarchApril
Avg. temperature
+91°F+95°F+97°F
Min. temperature
+66°F+64°F+72°F
Max. temperature
+99°F+104°F+104°F
Rainfall
12 mm38 mm89 mm
Wind
2 m/s2 m/s1 m/s
Humidity
65%65%70%
Air pressure
1010 HPa1009 HPa1008 HPa
Sunny days
982
Cloudy days
13106
Rainy days
51219
Snowy days
000

March typically has worse weather conditions compared to February. It’s getting warmer as March arrives. The average maximum temperature goes up from +91°F to +95°F during the day. Prepare for more rain. Average rainfall goes from 12 mm to 38 mm. Humidity levels don’t change as the month goes on, averaging around 65%. The average wind speed doesn’t change much during March, staying around 2 m/s. The days becoming less sunny, going from 9 sunny days in February to 8 in March.

April brings much the same weather, it remains ok.

Wind

Wind speed in Phnom Penh in March based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Phnom Penh is gradually increasing during March, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during March in Phnom Penh based on historical data.
Last Year
Historical Data
Typically, there is a 3% chance of rain on an average day in March, with total rainfall of approximately 2 mm. The maximum amount of rainfall per day is around 1 mm, which is considered light rain. Phnom Penh is amazing in March with as little as 1 rainy days on average, so plan adventures in the great outdoors.
Here’s how March is compared with other months in the amount of precipitation, total mm:
Phnom Penh wettest month is October, where a typical day has a 74% chance of precipitation and 242 mm of rainfall per day. February, on the other hand, is the driest month with a mere 17% chance of precipitation and 12 mm of rainfall per day.

How was the weather last March in Phnom Penh?

This is the weather in Phnom Penh in March 2023:
1 March
☀️
+94°F
2 March
☀️
+94°F
3 March
☀️
+91°F
4 March
☀️
+91°F
5 March
☀️
+91°F
6 March
☀️
+91°F
7 March
☀️
+91°F
8 March
☀️
+92°F
9 March
☀️
+92°F
10 March
☀️
+91°F
11 March
☀️
+92°F
12 March
☀️
+90°F
13 March
☀️
+93°F
14 March
☀️
+92°F
15 March
☀️
+91°F
16 March
☁️
+93°F
17 March
☀️
+93°F
18 March
☁️
+94°F
19 March
☀️
+95°F
20 March
☁️
+95°F
21 March
☁️
+96°F
22 March
☀️
+96°F
23 March
☀️
+96°F
24 March
☀️
+97°F
25 March
☀️
+96°F
26 March
☀️
+98°F
27 March
☀️
+97°F
28 March
☁️
+97°F
29 March
☁️
+92°F
30 March
☁️
+96°F
31 March
☁️
+94°F
In March 2023 Phnom Penh had 23 sunny days, 8 cloudy days, and 0 rainy days. The average maximum temperature was +93°F, with an absolute maximum of +99°F and a minimum of +90°F. The average humidity was 67%, with a maximum of 96% and a minimum of 37%. The average wind speed was 3 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in March?

Climate Change Over the Years

This is how Phnom Penh climate has changed over the last 43 years.

The climate in Phnom Penh in March has not changed that much over the last 43 years.

The average temperature was the lowest in 1999 (+89°F) and the highest in 2015 (+94°F). The driest year was 2015 with only 964 mm of rainfall, and the wettest year was 2022 with 1761 mm.

FAQ

Frequently asked questions about the weather in Phnom Penh in March:

Is March a good time to visit Phnom Penh?

It’s always a good time to visit Phnom Penh, but the weather is changeable in March, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Phnom Penh in March?

Absolutely, March is hot in Phnom Penh. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Phnom Penh rainy in March?

Phnom Penh is usually dry in March. Plan your packing around outdoor activities and exploring.

Is it sunny in Phnom Penh in March?

Usually, it’s not very sunny in Phnom Penh in March, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Cambodia

Check out the weather for other cities in Cambodia.

Monthly weather in Phnom Penh

Source of the data

For this page, we’ve looked at the typical weather in Phnom Penh, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.