Last updated: August 21, 2025
June in Phnom Penh, Cambodia features a warm and humid climate, with maximum temperatures reaching up to 37°C (99°F) and an average of 29°C (85°F). Nights are relatively mild, with temperatures dropping to a comfortable minimum of 25°C (77°F). This month is characterized by high humidity levels at 84%, accompanying frequent rainfall. With approximately 155 mm (6.1 in) of precipitation spread over 24 rainy days, June is a significant month for the city’s tropical monsoon season, offering a mix of sunshine and showers that can transform the urban landscape into a lush, vibrant oasis.
In June, Phnom Penh, Cambodia, experiences a warm climate as the heat of the dry season lingers, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 37°C (99°F). The average temperature settles at a comfortable 29°C (84°F), which is slightly lower than the peak of May but still showcases the city’s typically humid atmosphere. As the rainy season approaches, the climate becomes more moderate, with a notable trend of increasing nightly lows compared to prior months, indicating the onset of more moisture in the air. The consistent heat underscores the tropical character of Cambodia, making June an intriguing time for visitors seeking to experience the vibrant life of the capital amidst the backdrop of approaching rains.
June in Phnom Penh, Cambodia, marks a significant elevation in precipitation, mirroring May's rainfall with 155 mm (6.1 in) recorded over 24 rainy days. This trend illustrates the onset of the monsoon season, where the skies open up, contributing to frequent, heavy downpours. As the wettest months approach, June serves as a bridge, where the lush greenery of the city vibrantly flourishes, fueled by this abundant moisture. Notably, as July follows closely with a similar precipitation amount of 154 mm (6.1 in), it reinforces the relentless monsoon rhythm, creating a climate that is both vibrant and humid. The transition from the lighter rains of early months to these substantial downpours highlights the dynamic weather patterns that define Cambodia’s rainy season.
As summer settles in Phnom Penh, June brings a peak in humidity that reaches an impressive 84%, marking a noticeable rise from the already muggy 78% of May. This trend of increasing humidity is a prelude to the sweltering months ahead, with July and August often topping off at an astonishing 86% and 88%, respectively. The consistent climb in humidity from January's more comfortable 62% highlights the transition into the monsoon season, where the air feels heavier and the tropical warmth becomes more pronounced. As the city prepares for the downpours ahead, June serves as a reminder of the lush, vibrant climate that defines this bustling urban landscape.
In June, Phnom Penh experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This month continues the trend established in prior months, where high UV levels peak, maintaining a consistency in the extreme range from February through July. While the UV Index slightly dips from the heights of March and April, it remains crucial to protect your skin from potential sun damage. As the intensity of the sun persists, taking precautions is essential for outdoor activities. For a detailed look at the UV levels throughout the year, check out Phnom Penh UV Index.
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In June, Phnom Penh basks in 283 hours of sunshine, marking a slight dip from the vibrant month of May but remaining consistently bright compared to earlier in the year. As the rainy season approaches, it creates a gentle transition in this tropical city, with June's hours reflecting a blend of cloud cover and warm, sunlit days. The trend from January to June showcases a gradual increase in sun exposure, peaking in March with 329 hours, before hovering in the low 300s for the following months. This pattern underscores the city's warm climate and its allure for travelers seeking sunny adventures, even as the skies hint at the seasonal monsoon.
In Phnom Penh, the likelihood of sunny weather takes a notable dip in June, with a mere 22% chance of clear skies. This trend reflects a broader pattern as the year progresses; after a promising 60% in February, the chances diminish significantly towards the mid-year months. By June, the transitioning into the rainy season is evident, with even lower probabilities of sunshine continuing through July and August, when the city sees its most overcast days. This seasonality highlights the shift from the earlier dry months to the wet season, encouraging visitors and residents alike to be prepared for the increasingly rainy backdrop as summer unfolds.
In Phnom Penh, Cambodia, the daylight duration remains fairly consistent throughout the year, highlighting the region's tropical climate. As January and February usher in the new year, the city experiences around 11 hours of daylight. This gradually increases to 12 hours in March and maintains that span through to August. Notably, the transition into the latter part of the year sees daylight taper off again in October, returning to 11 hours as the year closes. This steady pattern of elongated days in the middle months reflects the region's climate consistency, allowing residents and visitors alike to enjoy ample sunlight across most of the year.
As the heat of summer sets in, June brings a refreshing change to Phnom Penh's breezes, with the average wind speed increasing to 2.8 m/s (6 mph). This revitalizing gust is on par with January, suggesting a shift that offers some respite from the rising temperatures. The winds continue to gain momentum into July, reaching 2.9 m/s (7 mph), creating a delightful contrast to the stillness felt in the preceding months of April and May, where the average speeds dipped to just 1.8 and 1.9 m/s (4 mph), respectively. As the city transitions into the heart of summer, the wind patterns serve not only as a cooling mechanism but as a herald of the dynamic weather shifts that define this vibrant region.
Weather in Phnom Penh varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Phnom Penh, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present distinctly different weather patterns. In June, temperatures range from a minimum of 25°C (77°F) to a scorching maximum of 37°C (99°F), with an average of 29°C (85°F). The month is characterized by high humidity at 84% and significant rainfall, accumulating 155 mm (6.1 in) over 24 days. Conversely, January is milder, with temperatures ranging from 19°C (66°F) to a maximum of 36°C (96°F) and an average of 27°C (82°F). This month features much lower precipitation, totaling only 19 mm (0.8 in) over just 3 days, and a more comfortable humidity level of 62%. For more detailed information, you can check Phnom Penh weather in January.
In comparing the weather of June and February, June boasts significantly higher temperatures, with minimums reaching 25°C (77°F) and averages around 29°C (85°F), while February's temperatures start at a comfortable minimum of 20°C (68°F) and average 28°C (83°F). Notably, June experiences much higher humidity at 84% compared to February's 61%, making the summer month feel more oppressive. Additionally, June is characterized by heavier rainfall, receiving 155 mm (6.1 in) over 24 days, whereas February remains quite dry with only 10 mm (0.4 in) over just 2 days. For more details about February weather, you can visit Phnom Penh weather in February.
In comparing the weather of June and March, March tends to be slightly warmer, with average temperatures hovering around 30°C (86°F) compared to June's average of 29°C (85°F). However, June experiences significantly more precipitation, recording 155 mm (6.1 in) over 24 days, while March is much drier with only 30 mm (1.2 in) over 5 days. Additionally, June has higher humidity at 84%, in contrast to March's more comfortable 61%. For a more detailed look at March weather, check this link: Phnom Penh weather in March.
In comparing the weather conditions of June and April, we notice some distinct differences. June experiences slightly higher average temperatures, with a minimum of 25°C (77°F) and a maximum of 37°C (99°F), whereas April has a minimum of 22°C (73°F) and peaks at 39°C (103°F). Interestingly, April boasts a higher average temperature of 30°C (87°F) despite having lower overall precipitation than June, which receives 155 mm (6.1 in) over 24 days. In contrast, April's rainfall totals 78 mm (3.1 in) across just 14 days, and it also has lower humidity at 67% compared to June's 84%. For a more detailed look at how April weather unfolds, you can check Phnom Penh weather in April.
When comparing the weather in June and May, we see some notable differences. June typically experiences slightly lower average temperatures, with a minimum of 25°C (77°F) and a maximum of 37°C (99°F), compared to May's higher minimum of 24°C (76°F) and maximum of 40°C (104°F). Interestingly, both months have the same total precipitation of 155 mm (6.1 in), but June has one more rainy day, totaling 24 days, while May sees rain on 23 days. Humidity is also higher in June at 84%, compared to May's 78%. For more detailed information, you can visit Phnom Penh weather in May.
In comparing the weather of June and July, both months exhibit similar warm temperatures, with June having an average of 29°C (85°F) and July slightly cooler at 29°C (84°F). The maximum temperature in July reaches a peaking 38°C (100°F), surpassing June's maximum of 37°C (99°F). Precipitation levels are closely matched, with June recording 155 mm (6.1 in) and July slightly lower at 154 mm (6.1 in), despite July having one additional rainy day. The humidity is also marginally higher in July at 86% compared to June's 84%. For more detailed information, you can visit Phnom Penh weather in July.
June and August weather in Phnom Penh share some similarities, but notable differences are evident. Both months have a minimum temperature of 25°C (77°F) and an average temperature of 29°C (84°F). However, June experiences slightly warmer maximum temperatures, reaching up to 37°C (99°F), compared to August's peak of 36°C (98°F). Precipitation is higher in August, with 197 mm (7.7 in) over 26 days, compared to June's 155 mm (6.1 in) over 24 days. Additionally, humidity is notably higher in August at 88%, compared to June's 84%. For more detailed insights, you can visit Phnom Penh weather in August.
June and September exhibit similarities and differences in weather patterns. June generally features slightly warmer temperatures, with minimums around 25°C (77°F), averages of 29°C (85°F), and maximums reaching 37°C (99°F). In contrast, September's temperatures are marginally cooler, with a minimum of 24°C (76°F), an average of 28°C (83°F), and a maximum of 36°C (97°F). Both months experience high humidity, but September records a slightly higher level at 87%, compared to June's 84%. Additionally, precipitation is noticeably more substantial in September, with a total of 246 mm (9.7 in) falling over 26 days, whereas June has 155 mm (6.1 in) across 24 days. For a more detailed breakdown of September weather patterns, check out Phnom Penh weather in September.
June and October in Phnom Penh display similar humidity levels, both averaging around 84%. However, June is generally warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 37°C (99°F), while October's temperatures range from 23°C (73°F) to 35°C (95°F). Additionally, October experiences higher precipitation, with a total of 246 mm (9.7 in) over 24 days, compared to June's 155 mm (6.1 in) over the same number of days. For more detailed information, check out Phnom Penh weather in October.
June and November present contrasting yet somewhat similar weather patterns. June typically experiences higher temperatures, with minimums around 25°C (77°F) and maximums reaching up to 37°C (99°F), while November's temperatures are slightly cooler, with minimums at 22°C (71°F) and maximums capped at 35°C (95°F). Precipitation is more frequent in June, averaging 155 mm (6.1 in) over 24 days compared to November's 121 mm (4.8 in) over just 15 days. Interestingly, both months share the same humidity level of 84%, contributing to a tropical feel in the air. For a more detailed overview, you can check Phnom Penh weather in November.
June and December present contrasting weather patterns in Phnom Penh. In June, temperatures range from a minimum of 25°C (77°F) to a maximum of 37°C (99°F), with an average of 29°C (85°F). This month sees substantial rainfall, with about 155 mm (6.1 in) of precipitation over 24 days, accompanied by high humidity at 84%. In stark contrast, December offers milder temperatures, with a minimum of 19°C (67°F) and a maximum of 34°C (94°F), averaging 27°C (81°F). Rainfall is significantly lower in December, totaling just 40 mm (1.6 in) over only 5 days, and the humidity is also reduced to 76%. For more detailed insights, you can explore the weather trends further in this link: Phnom Penh weather in December.
As June settles into Phnom Penh, it ushers in a distinct blend of warmth and humidity, marking a noticeable shift from the months prior. With temperatures reaching up to 37°C (99°F) and an average of 29°C (85°F), the heat can be intense. However, what sets June apart is the significant increase in rainfall, with nearly 24 days of precipitation totaling 155 mm (6.1 in), creating a lush backdrop for this vibrant city. The elevated humidity at 84% enhances the tropical feel, making it vital for visitors and locals alike to stay hydrated and prepared for sudden downpours. To explore more about how June weather compares within the broader context of the year, check out Phnom Penh Climate.