Last updated: August 21, 2025
October in Phnom Penh, Cambodia showcases a tropical atmosphere with maximum temperatures reaching up to 35°C (95°F) and an average of 28°C (83°F). This month, characterized by high humidity levels at 84%, witnesses substantial precipitation, averaging 246 mm (9.7 in) over approximately 24 days. As the monsoon season gradually recedes, residents and visitors alike experience a mix of sunshine and rain, making October a vibrant yet challenging time to embrace the rich culture and beauty of the city.
In October, Phnom Penh, Cambodia, experiences a gentle transition in temperatures, signaling the tail end of the rainy season. The minimum temperature hovers around a comfortable 23°C (73°F), while the average settles at a pleasant 28°C (83°F). With a maximum reaching about 35°C (95°F), the heat is still noticeable but less intense than the sweltering highs of the earlier months. This month marks a shift toward slightly cooler weather, comparable to September but with just a hint more warmth, creating a favorable atmosphere for outdoor exploration. As the city prepares for the cooler months ahead, October presents an inviting blend of warm days and balmy evenings, ideal for experiencing the vibrant culture of Phnom Penh.
In October, Phnom Penh experiences a significant continuation of the monsoon season, reflected in the 246 mm (9.7 in) of precipitation, matching September’s total and showcasing the peak of the rainy season. With about 24 days of rainfall, it’s a time characterized by almost daily showers that nurture the lush landscapes of Cambodia. The heavy rains not only sustain the vibrant flora but also contribute to cooling the air, providing relief from the sweltering heat of the preceding months. As the city’s waterways swell, October serves as a reminder of nature’s rhythm, setting the stage for a gradual reduction in precipitation as the dry season approaches in November.
In October, Phnom Penh experiences a notable shift in humidity, holding steady at 84% as the monsoon season begins to wane. This marks a slight decrease from the peak often reached in the summer months of August and September, where humidity levels hovered around 88% and 87% respectively. Notably, October maintains similar humidity levels to November, which also records 84%, indicating a transitional phase toward the drier months ahead. As the year progresses, the trend clearly shows that the city shifts from the crisp relatively lower humidity of early months—like January at 62%—to the tropical embrace felt in the depths of summer, making it crucial for residents and visitors alike to prepare for the lingering warmth and moisture.
In October, Phnom Penh continues to experience an extreme UV Index of 13, reflecting the city's persistent exposure to powerful sunlight as the rainy season winds down. With a burn time of just 10 minutes, residents and visitors alike should remain vigilant when outdoors, following protective measures to safeguard their skin. This trend of high UV levels, remaining steady from June through to October, emphasizes the importance of sun safety practices throughout the year. As we transition into November, the UV Index drops slightly to 11, still classified as extreme, reminding us that even as the weather cools, sun protection remains essential. For those planning outdoor activities, more information about the UV Index can be found at Phnom Penh UV Index.
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In October, Phnom Penh enjoys a delightful 275 hours of sunshine, marking a vibrant transition as the rainy season gradually recedes. With daylight hours starting to dip slightly from September's 261 hours, October remains a bright month, continuing the trend of abundant sun seen during the earlier months of the year, particularly March's peak at 329 hours. Overall, the sun-drenched days of Cambodia render October an appealing choice for visitors, allowing them to experience the city's charm under a warm, golden glow while the landscape begins to flourish post-monsoon. This blend of sunshine and refreshing greenery creates an inviting atmosphere that captures the essence of fall in Southeast Asia.
In Phnom Penh, Cambodia, the likelihood of sunny weather takes a significant dip as the year progresses, culminating in the month of October where the chance of sunshine plummets to a mere 8%. This trend reflects the onset of the rainy season, starting in June and continuing through to October, when overcast skies and sporadic downpours predominate. The sharp decline from March's 55% to October’s dismal percentage indicates that travelers looking for sunny escapades should consider postponing their visit until the drier months return in November. With such low odds for clear skies, October is better suited for those who appreciate the lush landscapes brought on by the monsoons rather than sun-soaked adventures.
As October arrives in Phnom Penh, Cambodia, the city witnesses a subtle shift in daylight duration, with the sun gracing the skies for 11 hours each day. This marks a return to the shorter daylight pattern that begins in January and continues through November, creating a rhythmic cycle throughout the year. From March to September, daylight stretches to a generous 12 hours, welcoming the vibrant energy of the tropics during the peak of the dry season. However, October signifies a gentle transition towards shorter days, hinting at the approaching end of the year, while maintaining the warmth and liveliness that characterize Phnom Penh's charm. As daylight ebbs and flows, it beautifully reflects the dynamic nature of life in this bustling metropolis.
As October unfolds in Phnom Penh, the wind transitions to a gentle 2.0 m/s (5 mph), marking a notable shift from the summer's breezier momentum. Following a series of months where wind speeds oscillated between 1.8 to 2.9 m/s, October's calmness brings a serene quality to the city's atmosphere, embracing locals and visitors alike with a comfortable embrace. This slight decline from September's 2.0 m/s aligns with the overall trend of diminishing winds leading into the heart of the dry season. However, as the year progresses into November, residents can anticipate a resurgence in breeziness, heralding the return of stronger gusts that will enliven the city's charm. In this transitional month, the soft whisper of the October winds invites a leisurely exploration of Phnom Penh's vibrant streets amidst a backdrop of changing seasons.
Weather in Phnom Penh varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Phnom Penh, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing October and January weather, notable differences emerge in temperature, precipitation, and humidity levels. October experiences a warmer average temperature of 28°C (83°F) with a maximum of 35°C (95°F), while January averages slightly cooler at 27°C (82°F) but can peak at 36°C (96°F). Precipitation is significantly higher in October, with 246 mm (9.7 in) falling over 24 days, contrasting sharply with January's milder conditions, which see only 19 mm (0.8 in) of rain over just 3 days. Additionally, October's humidity is noticeably higher at 84%, compared to January’s more comfortable level of 62%. For more details, you can check Phnom Penh weather in January.
October and February experiences contrasting weather patterns. In October, temperatures range from a minimum of 23°C (73°F) to a maximum of 35°C (95°F), accompanied by significant rainfall totaling 246 mm (9.7 in) over 24 days and high humidity at 84%. In contrast, February typically sees slightly cooler nights with a minimum of 20°C (68°F) and higher daytime highs reaching up to 36°C (98°F), but it is much drier, with only 10 mm (0.4 in) of precipitation over just 2 days and a lower humidity level of 61%. For more detailed insights into February weather, you can check Phnom Penh weather in February.
In October, the weather in Phnom Penh features a minimum temperature of 23°C (73°F) and an average of 28°C (83°F), with maximum highs reaching 35°C (95°F). This month is characterized by significant rainfall, with 246 mm (9.7 in) of precipitation spread over 24 days, resulting in high humidity levels at 84%.
In contrast, March offers slightly warmer temperatures, boasting a minimum of 23°C (74°F) and an average high of 30°C (86°F), which can peak at a sweltering 39°C (102°F). This month sees much less rainfall, with only 30 mm (1.2 in) over 5 days and a lower humidity of 61%.
For more details on the typical weather conditions, you can check Phnom Penh weather in March.
In comparing the weather of October and April, we see distinct differences in temperature and precipitation. October enjoys a slightly cooler average temperature of 28°C (83°F), with maximums reaching 35°C (95°F), while April can soar to a high of 39°C (103°F) with an average of 30°C (87°F). Precipitation levels are significantly higher in October, with 246 mm (9.7 in) over 24 days, compared to just 78 mm (3.1 in) across 14 days in April. Additionally, October's humidity sits at a higher 84%, contrasting with April's more comfortable 67%. For more detailed weather insights, you can check Phnom Penh weather in April.
October and May exhibit notable differences in their weather patterns. In October, temperatures range from a minimum of 23°C (73°F) to a maximum of 35°C (95°F), with an average of 28°C (83°F). This month sees significant rainfall, averaging 246 mm (9.7 in) over 24 days, contributing to higher humidity levels around 84%. In contrast, May is slightly warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 40°C (104°F) and an average of 30°C (86°F). Although May experiences less precipitation at 155 mm (6.1 in) over 23 days, humidity levels are still high at 78%, albeit lower than in October. For more detailed insights, you can check out Phnom Penh weather in May.
In comparing the weather between October and June, both months exhibit high temperatures and significant humidity levels. October has a minimum temperature of 23°C (73°F) and averages around 28°C (83°F), peaking at 35°C (95°F), while June starts slightly warmer with a minimum of 25°C (77°F) and an average of 29°C (85°F), reaching a maximum of 37°C (99°F). Precipitation is notably heavier in October, with 246 mm (9.7 in) over 24 days compared to June's 155 mm (6.1 in), which also sees rainfall on 24 days. Despite these differences, both months maintain a consistent humidity level of 84%. For more specific details on June's weather patterns, check out Phnom Penh weather in June.
October generally experiences slightly milder temperatures compared to July, with average highs reaching 35°C (95°F) in October versus 38°C (100°F) in July. While October has a minimum temperature of 23°C (73°F) and averages around 28°C (83°F), July starts a bit warmer with a minimum of 25°C (77°F) and an average of 29°C (84°F). Both months are characterized by high humidity, with October at 84% and July slightly higher at 86%. Notably, October receives significantly more rainfall, accumulating 246 mm (9.7 in) over 24 days, compared to July's 154 mm (6.1 in) over 25 days. For a closer look at July's weather specifics, you can check Phnom Penh weather in July.
When comparing the weather between October and August, it is notable that both months exhibit warm temperatures, but with some differences in averages and precipitation. In October, the minimum temperature is slightly lower at 23°C (73°F), with an average of 28°C (83°F) and a maximum of 35°C (95°F). In contrast, August sees a slightly higher minimum of 25°C (77°F), an average of 29°C (84°F), and a peak of 36°C (98°F). Additionally, October experiences higher precipitation levels, with 246 mm (9.7 in) over 24 days, compared to August's 197 mm (7.7 in) over 26 days. Humidity is also high in both months, peaking at 84% in October compared to 88% in August. For more detailed insights, you can explore Phnom Penh weather in August.
In comparing the weather of October and September, both months share similar average temperatures, hovering around 28°C (83°F). However, October has a slightly lower minimum temperature of 23°C (73°F) compared to September’s 24°C (76°F), while the maximums are also mildly different, with October reaching 35°C (95°F) and September peaking at 36°C (97°F). Both months experience the same total precipitation of 246 mm (9.7 in), but October has slightly fewer rainy days, seeing precipitation on 24 days compared to September's 26 days. Humidity levels are also marginally lower in October at 84% versus September's 87%. For a closer look at September’s weather conditions, you can visit Phnom Penh weather in September.
In October, the weather in Phnom Penh is characterized by high temperatures, with a minimum of 23°C (73°F), an average of 28°C (83°F), and a maximum reaching up to 35°C (95°F). This month also sees significant rainfall, totaling 246 mm (9.7 in) across 24 days, contributing to a humid environment with 84% humidity. In contrast, November maintains a similar temperature range, with a minimum of 22°C (71°F), an average of 28°C (82°F), and a maximum of 35°C (95°F). However, November experiences less precipitation, with 121 mm (4.8 in) over just 15 days, while humidity levels remain steady at 84%. For more detailed insights, you can check Phnom Penh weather in November.
October and December in Phnom Penh present contrasting weather patterns. October tends to be warmer, with minimum temperatures around 23°C (73°F) and averages reaching up to 28°C (83°F), while December sees slightly cooler conditions with minimums dropping to 19°C (67°F). Additionally, October is marked by higher humidity levels at 84% and significant rainfall, averaging 246 mm (9.7 in) over 24 days, compared to December's much drier climate with only 40 mm (1.6 in) of rain over just 5 days and lower humidity at 76%. For more detailed information, you can check Phnom Penh weather in December.
As October arrives in Phnom Penh, the city experiences a shift in weather that sets it apart from the preceding months. The temperatures remain warm, with the maximum often reaching a scorching 35°C, while a significant humidity level of 84% adds to the tropical feel. This month is marked by considerable precipitation, with rain falling on nearly three-quarters of the days, making it one of the wettest periods of the year. The increase in rainfall not only brings relief from the heat but also enhances the city’s lush landscapes. For a deeper understanding of what to expect throughout the year, check out Phnom Penh Climate.