Weather in Siem Reap in April 2025
- April is usually the hottest month of the year in Siem Reap;
Average weather
Average temperature in Siem Reap in April
Going from a maximum of +102°F during the day to a minimum of +77°F during the night, the temperature in April averages around +95°F.
The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +93°F to +88°F.
Is Siem Reap warm or cold in April?
Siem Reap is typically hot in April.
Maximum temperatures go up compared to the previous month from +93°F to +95°F. The minimum temperature also goes up from +77°F to +81°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
April is the hottest month in Siem Reap, here is the comparison with other months:
Climate in Siem Reap in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +93°F | +95°F | +93°F | ||||
| Min. temperature | ||||||
| +59°F | +66°F | +72°F | ||||
| Max. temperature | ||||||
| +102°F | +104°F | +104°F | ||||
| Rainfall | ||||||
| 52 mm | 97 mm | 145 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 69% | 72% | 77% | ||||
| Air pressure | ||||||
| 1009 HPa | 1008 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 7 | 3 | 0 | ||||
| Cloudy days | ||||||
| 8 | 4 | 3 | ||||
| Rainy days | ||||||
| 15 | 22 | 27 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +93°F to +95°F during the day. Prepare for more rain. Average rainfall goes from 52 mm to 97 mm. Humidity rises from 69% to 72%. The average wind speed doesn’t change much during April, staying around 1 m/s. The days becoming less sunny, going from 7 sunny days in March to 3 in April.
May brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Siem Reap is gradually increasing during April, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last April in Siem Reap?
Climate Change Over the Years
The climate in Siem Reap in April has not changed that much over the last 43 years.
The average temperature was the lowest in 1999 (+88°F) and the highest in 2015 (+92°F). The driest year was 2015 with only 880 mm of rainfall, and the wettest year was 1999 with 1854 mm.
FAQ
Is April a good time to visit Siem Reap?
Can you sunbathe in Siem Reap in April?
Is Siem Reap rainy in April?
Is it sunny in Siem Reap in April?
Other cities in Cambodia
Monthly weather in Siem Reap
Source of the data
For this page, we’ve looked at the typical weather in Siem Reap, 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.