Last updated: August 21, 2025
In April, Phnom Penh experiences a warm tropical climate characterized by maximum temperatures reaching 39°C (103°F) and an average of 30°C (87°F). The nights offer a slight reprieve with minimum temperatures around 22°C (73°F). Rainfall is common, with approximately 78 mm (3.1 in) of precipitation spread over about 14 days, contributing to a humidity level of 67%. Despite the heat, the city buzzes with activity, as locals and tourists alike navigate the vibrant streets, making it a uniquely lively time to experience the cultural richness of Cambodia's capital.
April in Phnom Penh, Cambodia, showcases a warm and humid climate as the city transitions deeper into the dry season. With minimum temperatures hovering around 22°C (73°F) and averages settling at 30°C (87°F), the days are bright and sun-soaked. Notably, the maximum temperatures can reach up to a sizzling 39°C (103°F), mirroring the peak heat experienced in March. This month balances the rising warmth while maintaining a consistent average, typical of the preceding months, illustrating Cambodia's gradual shift towards even warmer May conditions. As humidity levels begin to climb, visitors are advised to stay hydrated and embrace the vibrant atmosphere of the city during this lively time of year.
April marks a notable shift in Phnom Penh's weather, welcoming a significant increase in precipitation. With 78 mm (3.1 in) of rainfall over 14 days, the month transitions from the light showers of earlier months to a more consistent wet pattern. This uptick not only sets the stage for the impending monsoon season but also highlights the city's move from the dry spell of January, February, and March towards the heavier rains in May and beyond, when averages soar to 155 mm (6.1 in). As the days grow longer and increasingly humid, April serves as a reminder of nature's rhythm, urging both residents and visitors to embrace the lush, vibrant landscape that follows the rain.
April marks a notable shift in humidity levels in Phnom Penh, Cambodia, rising to 67%, a significant increase from the preceding months, which averaged around 61%. This uptick signals the commencement of the wet season, as the air becomes more saturated and prepares for the downpours of May, where humidity soars to 78%. The trend clearly indicates a gradual transition toward the high humidity months of the summer, peaking in July and August with a staggering 86% and 88%, respectively. As temperatures rise alongside humidity, April serves as a gentle reminder of the tropical climate that envelops Phnom Penh, setting the stage for the steamy months ahead.
In April, Phnom Penh, Cambodia experiences a UV Index of 15, maintaining the extreme exposure category that began in February. With a burn time of just 10 minutes, residents and visitors alike must remain vigilant against the sun's harsh rays. This trend of consistently high UV readings from March through May highlights the region's intense solar radiation during this time of year. As the heat peaks, it's crucial to adopt sun safety measures, such as wearing protective clothing and sunscreen, to enjoy the vibrant outdoor scenes while minimizing the risk of sunburn. For more information, visit Phnom Penh UV Index.
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In April, Phnom Penh basks in an impressive 312 hours of sunshine, maintaining a consistent glow that mirrors the vibrant energy of the city. This month, while a slight dip from the record high of 329 hours in March, still reflects the remarkable luminosity that characterizes the Cambodian capital. May continues this trend, matching April's sunshine hours, ensuring that the warm embrace of the sun lingers delightfully. As the year progresses into the summer months, the hours of sunshine fluctuate, with notable drops in June and September, yet the enduring spirit of Phnom Penh shines brightly through each season, promising a warm welcome to all who visit.
In April, the likelihood of sunny weather in Phnom Penh dips to 32%, a noticeable decrease from the preceding months of February and March, which boast sun chances of 60% and 55%, respectively. This trend signals a shift as the city transitions into the rainy season, with May's forecast dropping further to 25%. Overall, while the start of the year tends to feature more sun-soaked days, April marks the beginning of a gradual decline in sunshine, leading into a season characterized by heightened humidity and increased rainfall. As the year progresses, the chances of basking in the sun diminish significantly, making April a transitional month for weather in this dynamic Southeast Asian locale.
In April, Phnom Penh enjoys a delightful 12 hours of daylight, a continuation of the trend that began in March. As the city transitions from the dry season to the monsoon, the balance of light remains steady, providing ample opportunity for both locals and visitors to explore its vibrant culture and rich history. This consistent daylight duration is characteristic of Cambodia's tropical climate, which typically showcases long days throughout the year. As May approaches, the daylight remains constant, offering a seamless blend of warm sunshine and evening coolness, which is perfect for outdoor adventures. With fewer fluctuations in daylight hours during this time, April serves as a perfect bridge between the lush landscapes of the wet season and the bright days ahead.
As April rolls into Phnom Penh, the wind tends to calm, with an average speed of just 1.8 m/s (4 mph). This gentle breeze is a noticeable dip compared to the sharper gusts of earlier months, like January's brisk 2.8 m/s and March's moderate 2.3 m/s. The calming winds of April mark the onset of the hotter months, as both May and April remain largely tranquil, hovering just below 2.0 m/s. Interestingly, as the year progresses towards the rainy season, the wind picks up again, with June and July returning to speeds that reach and even exceed 2.8 m/s. This ebb and flow of wind speeds not only reflects the changing climate but also sets the stage for the vibrant life and bustling atmosphere characteristic of Phnom Penh.
Weather in Phnom Penh varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Phnom Penh, focusing on differences in temperature, rainfall, humidity, and UV levels.
April tends to be noticeably warmer and more humid than January, with average temperatures reaching around 30°C (87°F) and maximums soaring to 39°C (103°F). In contrast, January's average temperature is a cooler 27°C (82°F), peaking at 36°C (96°F). Additionally, April experiences significantly more rainfall, with 78 mm (3.1 in) spread over 14 days, while January has much less at 19 mm (0.8 in) across just 3 days. The humidity in April also averages higher at 67% compared to January's 62%. For more detailed insights, you can check the specifics here: Phnom Penh weather in January.
When comparing the weather in April and February, April tends to be warmer and more humid. April's temperatures range from a minimum of 22°C (73°F) to a maximum of 39°C (103°F), with an average of 30°C (87°F). In contrast, February features slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 36°C (98°F), averaging 28°C (83°F). Additionally, April experiences significantly more rainfall, with 78 mm (3.1 in) over 14 days, compared to February's modest 10 mm (0.4 in) across just 2 days. Humidity levels are also higher in April at 67%, while February maintains a lower average humidity of 61%. For more detailed information, you can refer to Phnom Penh weather in February.
In comparing the weather between March and April, both months exhibit warm temperatures, with average highs reaching 39°C (102°F to 103°F). However, April tends to be slightly more humid, with an average humidity of 67% compared to March's 61%. March also experiences significantly less precipitation, totaling only 30 mm (1.2 in) over 5 days, while April sees a notable increase in rainfall to 78 mm (3.1 in) spread over 14 days. For a detailed look at March's weather specifics, you can check Phnom Penh weather in March.
In comparing the weather between April and May, both months exhibit high temperatures, but May tends to be slightly warmer with a minimum temperature of 24°C (76°F) compared to April's 22°C (73°F). The average temperature remains fairly consistent at around 30°C (86°F) in both months, while May reaches a maximum temperature of 40°C (104°F), just one degree higher than April's maximum of 39°C (103°F). However, May is considerably wetter, with total precipitation reaching 155 mm (6.1 inches) over 23 days, nearly double the 78 mm (3.1 inches) and 14 days of rainfall seen in April. The humidity also increases, rising to 78% in May from 67% in April. For a detailed look at this month's weather patterns, you can visit Phnom Penh weather in May.
April and June weather in Phnom Penh showcases distinct characteristics. In April, temperatures range from a minimum of 22°C (73°F) to a maximum of 39°C (103°F), with an average temperature of 30°C (87°F). The month experiences 78 mm of precipitation over 14 days, accompanied by a humidity level of 67%. In contrast, June sees slightly higher minimum temperatures at 25°C (77°F) and an average of 29°C (85°F), with maximums capped at 37°C (99°F). However, it is a wetter month, with precipitation reaching 155 mm over 24 days and increased humidity at 84%. For more detailed insights, check out Phnom Penh weather in June.
In comparing the weather patterns of April and July, one can note several key differences. April typically sees higher average temperatures, with a minimum of 22°C (73°F) and an average of 30°C (87°F), peaking at a scorching 39°C (103°F). In contrast, July experiences slightly cooler temperatures, with minimums of 25°C (77°F) and an average of 29°C (84°F), and a maximum of 38°C (100°F).
However, July is considerably wetter, receiving 154 mm (6.1 in) of precipitation over 25 days, while April has only 78 mm (3.1 in) of rain across 14 days. The humidity also rises in July to 86%, compared to April's 67%, making July feel noticeably muggier. For more detailed insights, you can check out Phnom Penh weather in July.
April and August exhibit distinct weather patterns in Phnom Penh, with April generally being warmer and drier. In April, temperatures range from a minimum of 22°C (73°F) to a maximum of 39°C (103°F), with an average temperature of 30°C (87°F) and only 78 mm (3.1 in) of precipitation over 14 days. In contrast, August experiences slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 36°C (98°F), averaging at 29°C (84°F). However, August is significantly wetter, receiving 197 mm (7.7 in) of rainfall over 26 days and higher humidity levels of 88%. For more detailed insights, check out Phnom Penh weather in August.
April and September exhibit distinct differences in weather patterns. In April, temperatures range from a minimum of 22°C (73°F) to a maximum of 39°C (103°F), averaging around 30°C (87°F). The month sees about 78 mm (3.1 in) of precipitation over 14 days, with a humidity level of 67%. In contrast, September experiences slightly higher minimum temperatures at 24°C (76°F) and lower maximum temperatures at 36°C (97°F), with an average of 28°C (83°F). Rainfall significantly increases to 246 mm (9.7 in) over 26 days, accompanied by higher humidity at 87%. For more detailed insights, check Phnom Penh weather in September.
When comparing the weather in April and October, there are notable differences in temperature and precipitation levels. In April, temperatures range from a minimum of 22°C (73°F) to a maximum of 39°C (103°F), with an average of 30°C (87°F) and a relatively lower humidity of 67%. In contrast, October features milder temperatures, with a minimum of 23°C (73°F) and a maximum of 35°C (95°F), averaging 28°C (83°F). However, October experiences significantly higher precipitation, totaling 246 mm (9.7 in) over 24 days, compared to April's 78 mm (3.1 in) spread over 14 days and higher humidity at 84%. For more information, you can check Phnom Penh weather in October.
April and November in Phnom Penh showcase distinct weather patterns. In April, temperatures soar with an average of 30°C (87°F) and highs reaching up to 39°C (103°F), making it one of the hottest months of the year. The humidity sits at 67%, and while there is some precipitation, totaling 78 mm (3.1 inches) over 14 days, it tends to be less intense compared to November. In contrast, November experiences slightly cooler temperatures, averaging 28°C (82°F) with a maximum of 35°C (95°F), but features increased rainfall, averaging 121 mm (4.8 inches) over 15 days. Additionally, the humidity rises to 84%, contributing to a more humid atmosphere. For more details on the weather conditions in November, you can check out Phnom Penh weather in November.
April and December in Phnom Penh exhibit distinct weather characteristics. April is notably hotter, with average temperatures reaching a maximum of 39°C (103°F) and an average humidity of 67%. In contrast, December offers a more temperate climate, with highs around 34°C (94°F) and increased humidity at 76%. Precipitation levels also differ; April experiences 78 mm (3.1 in) of rain over about 14 days, while December sees significantly less, with only 40 mm (1.6 in) over 5 days. For more detailed information, you can check Phnom Penh weather in December.
April in Phnom Penh marks a significant transition into the hotter months, with sizzling temperatures peaking around 39°C (103°F) while remaining comfortably warm at an average of 30°C (87°F). Unlike the previous months, this time of year also sees an increase in humidity, making the air feel particularly muggy. With around 14 days of rainfall totaling 78 mm (3.1 in), April introduces the onset of the wet season, though it remains relatively dry compared to the deluges that follow in the coming months. The blend of heat and occasional rain creates a unique atmosphere, underscoring the vibrant life in the city. For a deeper understanding of seasonal variations, explore the details at Phnom Penh Climate.