Last updated: August 21, 2025
Experience the vibrant climate of Siem Reap, Cambodia in June, where the temperatures can soar to a maximum of 38°C (100°F), while the average settles around a comfortable 30°C (86°F). Although the mercury can occasionally dip to a minimum of 26°C (79°F), the humidity remains high at 86%, contributing to a lush, tropical atmosphere. Travelers should be prepared for a wet month, with precipitation accumulating to about 117 mm (4.6 in) over 21 days, making it a time of rich greenery and vibrant outdoor experiences. Embrace the unique charm of Siem Reap as it transitions through its humid yet exhilarating June weather!
In June, Siem Reap, Cambodia, experiences a warm tropical climate that sets the stage for vibrant exploration. The temperatures hover with a minimum of 26°C (79°F) and a maximum reaching up to 38°C (100°F), while the average remains steady at 30°C (86°F). This warmth follows a gradual rise from the cooler early months, reflecting the onset of the wet season. Despite the heat, the evenings tend to be refreshing, making it an excellent time for strolls through the bustling night markets and tranquil temples. The consistent warmth, paired with increasing humidity, hints that visitors should stay hydrated and seek shade during the peak daylight hours, fully embracing the lush beauty that this vibrant locale has to offer.
In June, Siem Reap experiences a notable transition into the rainy season, with precipitation amounting to 117 mm (4.6 in) over approximately 21 days. This marks a slight decrease from May's 141 mm (5.6 in) but still contributes significantly to the cumulative rainfall that characterizes the region during this time. The frequency of rain days begins to intensify, setting the stage for the peak monsoon months ahead. As the landscape transforms with lush greenery and vibrant blooms, June serves as a vibrant reminder of nature's rejuvenation, while travelers can expect a mix of sunny spells interspersed with refreshing downpours.
June marks a significant shift in humidity levels in Siem Reap, Cambodia, with humidity soaring to an impressive 86%. This increase follows the relatively moderate levels of the earlier months, where February and March recorded lows of 50% and 47%, respectively. As the region transitions into the rainy season, June's humidity is a precursor to the peak levels seen in July and August, which touch a staggering 88% and 90%. The pattern reveals a trend of rising humidity that not only signals the peak of the wet season but also contributes to the lush, vibrant landscapes that characterize Siem Reap during this time. As the air thickens, it’s a reminder of the tropical climate's embrace, creating a unique atmosphere that enhances both the adventure and the allure of this enchanting destination.
In June, Siem Reap, Cambodia, experiences a UV Index of 13, which falls into the extreme exposure category, necessitating caution to avoid sunburn within just 10 minutes of prolonged sun exposure. This trend of high UV levels continues from the preceding months, with January starting at a UV Index of 10 and steadily rising to an extreme level by March, where it peaks at 15. Even as the rainy season approaches, June maintains its intensity, reminding visitors to stay vigilant; sunscreen and protective clothing are essential throughout this period. The climatic consistency of the region highlights the importance of sun safety. For detailed insights, check out the Siem Reap UV Index.
UV Risk Categories
In Siem Reap, Cambodia, June shines with an impressive 303 hours of sunlight, continuing the trend of bright and vibrant days from the previous months. After a peak in March with 326 hours, the sunshine hours have remained relatively consistent, oscillating between the high 300s and low 300s. As the rainy season approaches, both July and August see a slight dip, yet still offer ample daylight for exploration. This pattern reflects a tropical climate where the warmth and brightness of the sun create an inviting atmosphere for travelers seeking to immerse themselves in the rich culture and breathtaking landscapes. Enjoy June's sunny embrace as it paves the way for the lush beauty that follows.
In Siem Reap, Cambodia, the likelihood of sunny weather takes a noticeable dip in June, with only a 24% chance of clear skies. This marks a significant decrease from the sunlit days of February, which boasts a 75% chance, and contrasts sharply with the sunnier months of January and March. As the region transitions into the heart of the wet season, the chances of encountering rain increase, setting the stage for the lush greenery that characterizes this vibrant locale. Travelers seeking sunshine should consider planning their visits earlier in the year, as the trends clearly indicate that June is one of the least favorable months for enjoying bright, sunny weather.
In Siem Reap, Cambodia, the June daylight duration aligns with the warm, vibrant rhythms of the region, offering 12 hours of daylight. This trend of consistent daylight hours spans from March through August, showcasing the tropical climate’s steady embrace. Notably, as the year transitions from January to May, the daylight gradually increases, reaching a peak of 12 hours in June before maintaining that length through July and August. As the year wanes, the daylight begins to recede again, descending to 11 hours by October. This pattern highlights the balance of light and warmth that characterizes the Cambodian climate, making it an inviting destination year-round.
In June, Siem Reap, Cambodia, experiences a noticeable uptick in wind activity, with average speeds reaching 3.3 m/s (7 mph)—the highest point of the year. This shift marks the beginning of the wet season, bringing not only refreshing gusts but also a cooler ambiance amidst the tropical heat. Compared to the preceding months, where winds were relatively gentle, June’s increase is a welcome change for locals and visitors alike, contributing to a more dynamic atmosphere as the landscape transitions into lush greenery. Following June, the winds remain brisk in July, maintaining an average of 3.2 m/s (7 mph), while August sees a return to milder conditions. This fluctuation highlights the natural rhythm of Siem Reap’s climate, making June a unique month that balances the onset of rains with invigorating breezes.
Weather in Siem Reap varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Siem Reap, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present vastly different weather patterns. In June, temperatures soar with a minimum of 26°C (79°F) and an average of 30°C (86°F), peaking at a sweltering 38°C (100°F). The month is characterized by high humidity at 86% and significant rainfall, accumulating 117 mm (4.6 in) over 21 days. In stark contrast, January enjoys milder temperatures, with a minimum of 15°C (59°F) and an average of 27°C (81°F), reaching up to 35°C (95°F) at its highest. Rainfall is minimal in January, totaling only 11 mm (0.4 in) over just 2 days, and the humidity is a more comfortable 55%. For more insights, explore Siem Reap weather in January.
June and February offer distinctly different weather experiences. June is characterized by high temperatures, with minimums around 26°C (79°F) and maximums reaching up to 38°C (100°F), accompanied by high humidity levels of 86%. The month also sees significant rainfall, with an average precipitation of 117 mm (4.6 in) over 21 days, making it one of the wetter months. In contrast, February provides a more temperate climate, with minimum temperatures of 17°C (63°F) and maximums peaking at 36°C (97°F). This month experiences minimal rainfall, averaging just 9 mm (0.3 in) over only 2 days, and a much lower humidity of 50%. For a more detailed look at February weather, you can visit Siem Reap weather in February.
June's weather is characterized by higher temperatures, with a minimum of 26°C and a maximum reaching up to 38°C, while maintaining an average of 30°C. In contrast, March begins slightly cooler, with a minimum of 22°C and a maximum of 37°C, yet it shares the same average of 30°C. The contrast in humidity is quite notable; June boasts a high humidity level of 86%, making it feel much more oppressive compared to March's more comfortable 47%. Additionally, June experiences significantly more precipitation, averaging 117 mm over 21 days, whereas March receives only 40 mm across just 6 days. For a detailed look at weather conditions, check Siem Reap weather in March.
When comparing the weather in June and April, it's clear that both months exhibit warm temperatures, though with some notable differences. June has a minimum temperature of 26°C (79°F) and an average of 30°C (86°F), while April sees a slightly lower minimum of 20°C (68°F), but an average temperature that's very similar at 30°C (87°F). However, April's maximum temperature can reach up to 39°C (102°F), making it slightly warmer than June’s maximum of 38°C (100°F). Additionally, June experiences higher humidity at 86% compared to April's 55%, along with more precipitation, with 117 mm (4.6 in) over 21 days in June versus 86 mm (3.4 in) over 14 days in April. For more detailed insights on April's weather, you can check Siem Reap weather in April.
In June, temperatures remain warm with a minimum of 26°C (79°F) and an average of 30°C (86°F), similar to May, which also has an average of 30°C (86°F). However, June records slightly cooler peak temperatures, reaching a maximum of 38°C (100°F), compared to May's higher maximum of 39°C (103°F). Rainfall is more prevalent in June, with 117 mm (4.6 in) of precipitation over 21 days, while May experiences 141 mm (5.6 in) over 20 days. Additionally, June maintains higher humidity levels at 86%, compared to May's 78%. For more on May weather, you can visit Siem Reap weather in May.
In comparing the weather of June and July, both months experience high temperatures, with June showing a slightly warmer average of 30°C (86°F) compared to July's 29°C (85°F). However, July brings a higher minimum temperature of 25°C (77°F), while both months can reach up to 38°C (100°F) and 38°C (101°F), respectively. Rainfall increases in July, with 145 mm (5.7 in) recorded over 23 days, compared to June's 117 mm (4.6 in) over 21 days. July also sees a slight rise in humidity levels, peaking at 88% compared to June's 86%. Overall, July tends to be wetter and a bit more humid, making it feel even more tropical. For more detailed information, check out Siem Reap weather in July.
When comparing the weather in June and August, June typically sees slightly higher temperatures, with averages around 30°C (86°F), while August averages a bit cooler at 29°C (85°F). However, August experiences marginally lower minimum temperatures at 25°C (77°F) compared to June’s minimum of 26°C (79°F). Precipitation is notably higher in August, with 152 mm (6.0 in) over 23 days, versus June's 117 mm (4.6 in) falling on 21 days. Additionally, humidity levels peak in August at 90%, compared to June’s 86%. For more detailed information, you can check Siem Reap weather in August.
June and September present distinctly different weather patterns. In June, temperatures typically range from a minimum of 26°C (79°F) to a maximum of 38°C (100°F), with an average of 30°C (86°F). The month sees a considerable amount of rain, totaling 117 mm (4.6 in) over 21 days, and humidity levels are quite high at 86%. In contrast, September features slightly cooler temperatures, with a minimum of 24°C (76°F), an average of 28°C (84°F), and a maximum of 35°C (96°F). This month experiences higher precipitation, accumulating 240 mm (9.4 in) over 25 days, along with an increase in humidity to 90%. For a more detailed look at how September weather unfolds, check out Siem Reap weather in September.
June and October both bring warm weather, but they differ significantly in temperature and precipitation. In June, temperatures range from a minimum of 26°C (79°F) to a maximum of 38°C (100°F), with an average of 30°C (86°F). The month experiences around 117 mm (4.6 in) of rain over 21 days and high humidity at 86%. In contrast, October is slightly cooler, with minimum temperatures of 22°C (72°F) and maximums reaching 34°C (93°F), averaging 28°C (83°F). However, October is much wetter, receiving 238 mm (9.4 in) of rain over 22 days, while humidity remains close at 85%. For more details on what to expect, check out Siem Reap weather in October.
June and November present contrasting weather patterns. In June, temperatures are generally hotter, with minimums around 26°C (79°F) and maximums soaring to 38°C (100°F), contributing to an average of 30°C (86°F). The month is also marked by high humidity at 86% and significant rainfall, totaling 117 mm (4.6 inches) across 21 days. In contrast, November brings milder temperatures with a minimum of 21°C (71°F) and a maximum of 34°C (94°F), averaging 27°C (82°F). It features lower humidity at 79% and reduced precipitation at 78 mm (3.1 inches) over 13 days. For more detailed weather insights for November, you can check Siem Reap weather in November.
June and December showcase stark contrasts in weather conditions. In June, temperatures range from a minimum of 26°C (79°F) to a maximum of 38°C (100°F), with a high average of 30°C (86°F). The month is marked by notable precipitation of 117 mm (4.6 in) over 21 days, making it quite humid at 86%. In contrast, December offers a milder climate, with temperatures dipping to a minimum of 16°C (61°F) and reaching an average high of 26°C (80°F), peaking at 34°C (94°F). Precipitation is significantly lower in December, with only 23 mm (0.9 in) over 5 days and a humidity level of 68%. For more details, visit Siem Reap weather in December.
As June unfolds in Siem Reap, the weather shifts distinctly, marked by warmer temperatures and notable humidity. The average warmth reaches around 30°C (86°F), with peaks soaring up to 38°C (100°F), inviting sun-seekers but also a beneficial reprieve from the scorching heat—it's the start of the rainy season. Consequently, visitors can expect increased rainfall, as precipitation occurs on roughly 21 days, accumulating around 117 mm (4.6 in) throughout the month. While these conditions may deter some, they provide a lush, vibrant landscape perfect for exploring the ancient temples and rich culture. For a deeper understanding of what to expect throughout the year, check out the comprehensive details in the Siem Reap Climate section.