Last updated: August 21, 2025
In July, Phnom Penh experiences warm tropical weather with maximum temperatures soaring up to 38°C (100°F) and an average of 29°C (84°F). The month is characterized by significant humidity levels around 86%, contributing to a muggy atmosphere. Rainfall is frequent, with 25 days of precipitation accumulating to 154 mm (6.1 in), making it one of the wetter months of the year. Travelers should be prepared for both heat and rain while exploring this vibrant city.
In July, Phnom Penh experiences a warm and humid climate, typical for the peak of the monsoon season. With minimum temperatures hovering around 25°C (77°F) and average readings at 29°C (84°F), the city remains comfortably warm. However, the heat peaks with maximum temperatures reaching up to 38°C (100°F), slightly lower than the soaring temps of May and June. This pattern reflects a gradual decline in maximum temperatures as the city transitions into the wetter months, while consistency in average temperatures indicates a stable tropical climate. Whether you’re exploring bustling markets or taking in the majestic temples, July’s warmth invites both adventure and relaxation amidst occasional showers that help cool the air.
In July, Phnom Penh experiences a sustained deluge, with 154 mm (6.1 inches) of precipitation spread across 25 days. This marks a slight decline from June's torrential rains, yet continues to contribute to the city's vibrant green landscapes. The rainy season peaks in this month, signaling a crucial time for agriculture and water replenishment before the even heavier precipitation of August and September. As clouds gather and showers become frequent, the rhythm of daily life shifts, infusing the city with a refreshing energy amid the warm tropical climate.
In July, Phnom Penh experiences its peak humidity at a sultry 86%, closely following the rising trend seen from June's 84%. This month marks a significant shift towards the more oppressive levels of humidity that characterize the Cambodian rain season, as the air becomes increasingly thick and heavy with moisture. Following July, August escalates to an even more humid 88%, indicating that the summer months in Phnom Penh are not only hot but also incredibly damp. This trend underscores the importance of preparing for both heat and humidity if you're planning to visit during this time, as the tropical climate can be quite demanding.
In July, Phnom Penh experiences a UV Index of 14, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV levels continues throughout the summer months, peaking in March and April with an index of 15 before slightly tapering off. Interestingly, while the UV Index shows a slight decrease towards October, values remain consistently high, emphasizing the importance of sun protection year-round. Residents and visitors alike should remain vigilant against potential UV exposure, especially during this peak season. For more details on the UV Index and its implications for health, visit Phnom Penh UV Index.
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July in Phnom Penh offers a delightful balance of sunshine and respite, with 287 hours of bright daylight illuminating the city. This month falls slightly below the sunniest peak in March, which boasts 329 hours, yet remains consistent with the vibrant summer ambiance. As the rainfall starts to increase in August, which sees 288 hours, July presents an ideal time to explore the bustling streets and rich culture of Cambodia’s capital. Notably, the overall trend shows that even during the wet season, Phnom Penh consistently enjoys a substantial amount of sunshine, making it a year-round destination for sun seekers.
In Phnom Penh, Cambodia, the likelihood of basking in sunny weather takes a significant dip in July, with only a 15% chance of sunshine. This marks a considerable decline from the warmer months preceding it, showcasing the transition into the rainy season. As June wraps up with a 22% chance, the stark drop to July reflects a broader trend where the summer months, particularly from April through August, unveil a persistent shift towards overcast skies, reaching a low of just 9% sun in August. As the rainy season progresses into the latter months of the year, the trend persists, illustrating a season characterized by more cloud cover and precipitation than bright, sunny days.
In July, Phnom Penh experiences a steady 12 hours of daylight, reflecting a pattern that began in March and continues through August. This consistent duration of sunlight creates an inviting atmosphere, ideal for exploration and outdoor activities. Notably, the city enjoys its longest days during the mid-year months, showcasing a shift from the shorter, cooler days of January and February, which both provide 11 hours of daylight. As the year progresses into October, daylight begins to wane again, transitioning back to shorter days. Overall, July stands out as part of a balanced range of sunshine that defines the vibrant climate of Cambodia.
In July, Phnom Penh experiences a gentle uptick in wind, with average speeds reaching 2.9 m/s (7 mph). This slight increase from June's breezy 2.8 m/s (6 mph) signals a transition towards mid-year dynamics where the humid heat starts to ease slightly under the kiss of a refreshing breeze. Following July, the wind speed dips to 2.5 m/s (6 mph) in August, suggesting the onset of the rainy season when the atmosphere thickens. Observing the broader trend, it’s evident that the wind tends to be at its most vigorous in the year’s cooler months, peaking at 3.1 m/s (7 mph) in December. This nuanced pattern of wind throughout the year reflects the shifting seasons in Cambodia, providing a backdrop to the vibrant life in the city.
Weather in Phnom Penh varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Phnom Penh, focusing on differences in temperature, rainfall, humidity, and UV levels.
In Phnom Penh, July weather stands in stark contrast to that of January. While July typically features warm temperatures with a minimum of 25°C (77°F) and an average of 29°C (84°F), it can peak around 38°C (100°F). This month also brings significant rainfall, averaging 154 mm (6.1 in) over 25 days, accompanied by high humidity levels of 86%. In contrast, January offers a milder climate, with temperatures ranging from a minimum of 19°C (66°F) to a comfortable average of 27°C (82°F), and highs reaching 36°C (96°F). Rainfall is minimal, with only 19 mm (0.8 in) over just three days, and the humidity drops to a more pleasant 62%. For those interested in exploring January weather further, please visit Phnom Penh weather in January.
July and February present distinctly different weather patterns. In July, temperatures range from a minimum of 25°C (77°F) to a maximum of 38°C (100°F), with an average of 29°C (84°F). This month is characterized by high humidity at 86% and substantial precipitation, totaling 154 mm (6.1 in) over 25 days. In contrast, February experiences milder temperatures, with a minimum of 20°C (68°F) and a maximum of 36°C (98°F), averaging at 28°C (83°F). Precipitation is significantly lower in February, at just 10 mm (0.4 in) over only 2 days, and the humidity is reduced to 61%. For more detailed information, check out Phnom Penh weather in February.
July and March present stark contrasts in weather patterns. In July, temperatures range from a minimum of 25°C (77°F) to a maximum of 38°C (100°F), with an average of 29°C (84°F). This month is marked by high humidity at 86% and frequent precipitation, totaling 154 mm (6.1 in) over 25 days. In contrast, March enjoys slightly warmer temperatures, with an average of 30°C (86°F) and a maximum of 39°C (102°F), but significantly less rainfall, measuring only 30 mm (1.2 in) across just 5 days. Additionally, March experiences lower humidity at 61%, making it generally more comfortable. For a detailed look at the weather conditions, you can check Phnom Penh weather in March.
When comparing the weather in July and April, we see distinct differences in both temperature and precipitation levels. July tends to be slightly cooler with an average temperature of 29°C (84°F) compared to April's average of 30°C (87°F). However, April experiences higher maximum temperatures, reaching up to 39°C (103°F), while July peaks at 38°C (100°F). Notably, July is characterized by greater rainfall, with 154 mm (6.1 in) spread over 25 days, whereas April sees only 78 mm (3.1 in) in 14 days. Additionally, the humidity in July is quite high at 86%, in contrast to April's more comfortable 67%. For more insights on the weather pattern in April, you can check Phnom Penh weather in April.
In comparing the weather between May and July, it's clear that both months experience high temperatures and significant humidity. May typically has a minimum temperature of 24°C (76°F) and an average of 30°C (86°F) with a maximum reaching up to 40°C (104°F). July, on the other hand, starts slightly cooler with a minimum of 25°C (77°F) and an average of 29°C (84°F), but peaks at a maximum of 38°C (100°F). Interestingly, both months see similar precipitation levels, with May recording 155 mm (6.1 in) over 23 days, while July has 154 mm (6.1 in) over 25 days. The humidity also differs, with July being more humid at 86%, compared to May's 78%. For more information on May's weather, you can visit Phnom Penh weather in May.
In comparing the weather of June and July, we observe that both months share similar temperature ranges, with July experiencing slightly higher maximum temperatures, reaching up to 38°C (100°F) compared to June's 37°C (99°F). Humidity levels in July are marginally higher at 86%, while June has a humidity of 84%. Precipitation amounts are nearly identical, with July recording 154 mm (6.1 in) over 25 days and June recording 155 mm (6.1 in) over 24 days. For more detailed information, you can refer to Phnom Penh weather in June.
In comparing the weather of July and August, both months share similar temperature ranges, with a minimum of 25°C (77°F), an average of 29°C (84°F), and a maximum of 36-38°C (98-100°F). However, August tends to be slightly cooler at its maximum temperature of 36°C (98°F). When it comes to precipitation, August experiences an increase, with 197 mm (7.7 in) of rainfall over 26 days, compared to July's 154 mm (6.1 in) over 25 days. Additionally, humidity levels are slightly higher in August at 88%, compared to July's 86%. For a more detailed look at the weather patterns, you can visit Phnom Penh weather in August.
July and September both feature warm temperatures, but July generally boasts slightly higher averages, with a minimum of 25°C and a maximum reaching 38°C, compared to September's minimum of 24°C and maximum of 36°C. While July has 154 mm of rainfall over 25 days, September sees an increase to 246 mm over 26 days, indicating that the latter month tends to be wetter. Humidity levels remain similar, with July at 86% and September slightly higher at 87%. For a detailed look at September's weather, you can check Phnom Penh weather in September.
In July, the weather in Phnom Penh is significantly warmer, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 38°C (100°F) and an average of 29°C (84°F). The month experiences heavy rainfall, totaling 154 mm (6.1 in), over 25 days and humidity levels peak at 86%.
In contrast, October sees slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 28°C (83°F), and a maximum of 35°C (95°F). However, October is wetter, receiving 246 mm (9.7 in) of rainfall across 24 days, while maintaining a similar humidity level of 84%. For more detailed insights, check out the information on Phnom Penh weather in October.
In July, the weather is notably warmer with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 38°C (100°F) and an average of 29°C (84°F). This month also experiences higher precipitation, averaging 154 mm (6.1 in) over 25 days, coupled with high humidity levels of 86%. In contrast, November presents slightly cooler temperatures, with a minimum of 22°C (71°F), an average of 28°C (82°F), and a maximum of 35°C (95°F). Additionally, November sees reduced rainfall, totaling 121 mm (4.8 in) over 15 days, while humidity decreases to 84%. For more details, visit Phnom Penh weather in November.
The weather in July is significantly warmer and more humid than in December. With average temperatures reaching 29°C (84°F) and peak highs soaring to 38°C (100°F), July experiences higher humidity levels at 86% and considerable precipitation of 154 mm (6.1 in) over 25 days. In contrast, December offers more pleasant conditions, with average temperatures of 27°C (81°F) and maximums of 34°C (94°F). Rainfall is considerably less in December, totaling only 40 mm (1.6 in) over just 5 days, and humidity drops to 76%. For those looking to understand more about the specifics of December weather in Phnom Penh, you can check this link: Phnom Penh weather in December.
July in Phnom Penh brings a distinct shift in weather, characterized by high humidity and frequent rain showers. While temperatures continue to soar, reaching their peak at around 38°C (100°F), the average daytime warmth settles at a more comfortable 29°C (84°F), creating a sultry atmosphere. This month stands out with nearly 25 days of rain, resulting in a total of 154 mm (6.1 in) of precipitation, making it one of the wettest periods of the year. The lush greenery that flourishes during this time adds to the city’s charm, but visitors should be prepared for the damp conditions that set July apart from the drier months. For a deeper insight into what to expect throughout the year, check out Phnom Penh Climate.