Last updated: August 21, 2025
In March, Siem Reap, Cambodia, experiences warm tropical weather with maximum temperatures soaring up to 37°C (99°F) and an average of 30°C (86°F). Nights offer a cooler respite, with minimum temperatures around 22°C (72°F). While the humidity remains moderate at 47%, visitors can expect some rainfall, totaling 40 mm (1.6 in) over approximately 6 days. This month marks a transition towards the hotter season, making it an ideal time for travelers to explore the ancient wonders while enjoying the vibrant local culture.
In March, Siem Reap experiences a noticeable rise in temperatures as the dry season begins to approach its peak. With a minimum temperature of around 22°C (72°F) and an average of 30°C (86°F), the city becomes increasingly warm, reaching a maximum of 37°C (99°F). This trend marks a shift from the cooler, more temperate months of January and February, where minimums were significantly lower, at 15°C (59°F) and 17°C (63°F) respectively. The heat continues to build as April and May follow, maintaining an average of 30°C but pushing maximum temperatures even higher, illustrating that March is a transitional month into the sizzling Cambodian summer. As visitors explore the ancient temples and vibrant culture, they should be prepared for the increasing warmth, ensuring a comfortable and enjoyable experience in this enchanting destination.
March marks a significant transition in Siem Reap's weather, as the precipitation amount rises sharply to 40 mm (1.6 in) over six days of rain. This increase from the meager totals of January and February signifies the approach of the wet season, preparing the landscape for the more intense downpours that follow in April and May. As temperatures begin to climb, the early March showers offer a refreshing reprieve, setting the stage for the lush greenery that characterizes the region in the months ahead. The consistent rise in rainfall patterns not only highlights March as a pivotal point in the climate calendar but also showcases the dramatic shift towards the tropical monsoon season that defines Siem Reap's unique environment.
In March, Siem Reap, Cambodia experiences a notable dip in humidity, with levels dropping to 47%, the lowest for the year. This period marks a transition as the dry season approaches its end, making the weather more comfortable compared to the preceding months. As temperatures gradually rise heading into April, humidity levels rebound to 55%, setting the stage for the intense heat and higher humidity that ensues in the summer months, particularly from May onward, when levels soar past 75%. The pattern reveals a predictable rhythm to Siem Reap's climate; as the year progresses, the sticky embrace of humidity becomes increasingly prominent, peaking during the rainy season from June through September.
In March, Siem Reap, Cambodia experiences an extreme UV Index of 15, making sun safety a top priority for residents and visitors alike. With a burn time of just 10 minutes, the intensity of UV radiation underscores a consistent trend observed in the early months of the year. Starting with a UV Index of 10 in January and peaking in March, this trend signals that sun protection becomes increasingly crucial as the dry season progresses. Even as temperatures climb, the UV levels remain alarmingly high through to April and May, maintaining an index of 14. To stay informed about the UV conditions and protect your skin, check out the detailed forecast at Siem Reap UV Index.
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March in Siem Reap, Cambodia, greets visitors with a remarkable 326 hours of sunshine, making it the sunniest month of the year. This surge in daylight sets the stage for vibrant exploration, as the warm rays beckon travelers to uncover the ancient wonders of Angkor Wat and the lush landscapes surrounding the city. Following March, the sunshine gently tapers off in April with 309 hours, but the overall trend shows a consistent abundance of daylight throughout the early months of the year, from 260 hours in January to a peak in March. This generous sunshine not only enhances the beauty of Siem Reap’s cultural sites but also creates a captivating atmosphere for both adventure and relaxation, ensuring that every visitor can bask in the radiance of Cambodia's unique charm.
In March, Siem Reap experiences a notable likelihood of sunny weather, with a 62% chance of sunshine, making it a delightful time for outdoor exploration. This follows a sunny February, which boasts a robust 75% probability, creating a pleasant transition into the month. However, as April approaches, the chances of sun decline sharply to 31%, foreshadowing the onset of the rainy season. Notably, March stands out as one of the last months in the annual cycle where sunny days prevail, providing an ideal backdrop for visitors eager to discover the ancient wonders of this remarkable region before the clouds roll in.
As March unfolds in Siem Reap, Cambodia, the days start to stretch noticeably, offering 12 hours of daylight. This marks a shift from the consistent 11 hours seen in January and February, signaling the approach of the hotter months. Following March, daylight remains steady at 12 hours throughout April and May, suggesting a peak of sunlight that encourages both exploration and relaxation in the vibrant landscapes and rich cultural heritage of the region. As the year progresses toward the rainy season, this trend hints at longer afternoons filled with warm sunshine, perfect for soaking in the beauty of Siem Reap's iconic temples and lush surroundings.
As March arrives in Siem Reap, Cambodia, the winds whisper gently at an average speed of 2.3 m/s (5 mph), mirroring the calmness of February. This serene breeze, a constant companion to the warm sunshine, sets the tone for the transition toward April. In fact, throughout the early months of the year, the wind remains relatively gentle, gradually gaining strength as June approaches with a noticeable uptick to 3.3 m/s (7 mph). This slight increase hints at the environmental changes that come with the shifting seasons, providing a refreshing contrast to the rising temperatures. The overall trend showcases a harmonious blend of mild breezes early in the year followed by a more spirited wind pattern as the wet season looms. As the month unfolds, visitors can relish in the pleasant atmosphere as the quiet winds carry the scent of blossoming nature and the promise of vibrant adventures ahead.
Weather in Siem Reap varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Siem Reap, focusing on differences in temperature, rainfall, humidity, and UV levels.
March weather is generally warmer than January, with average temperatures reaching 30°C (86°F) compared to January's 27°C (81°F). The minimum temperature in March is also higher at 22°C (72°F), while January starts at 15°C (59°F). Additionally, March experiences increased precipitation, totaling 40 mm (1.6 in) over 6 days, compared to January's milder 11 mm (0.4 in) over just 2 days. However, January is characterized by higher humidity levels at 55%, compared to March's 47%. For a more detailed comparison, you can explore Siem Reap weather in January.
In March, temperatures in Siem Reap rise significantly, with a minimum of 22°C (72°F) and an average of 30°C (86°F), peaking at 37°C (99°F). In contrast, February experiences cooler temperatures, ranging from a minimum of 17°C (63°F) to an average of 28°C (82°F), with a maximum of 36°C (97°F). March also sees increased precipitation, with 40 mm (1.6 in) over 6 days, compared to February's mild 9 mm (0.3 in) over just 2 days. Additionally, humidity levels in February are slightly higher at 50%, compared to March's 47%. For more detailed insights into the weather trends, check out Siem Reap weather in February.
March and April present notable differences in weather conditions. In March, temperatures range from a minimum of 22°C (72°F) to a maximum of 37°C (99°F), with an average of 30°C (86°F). The month sees less precipitation, totaling 40 mm (1.6 in) spread over 6 days, and a humidity level of 47%. In contrast, April experiences slightly lower minimum temperatures at 20°C (68°F) but can reach higher maxima of 39°C (102°F), while the average remains similar at 30°C (87°F). However, April is considerably wetter, with 86 mm (3.4 in) of rain over 14 days and higher humidity at 55%. For a more detailed look, you can check Siem Reap weather in April.
In March, the weather is characterized by warm temperatures with a minimum of 22°C (72°F), averaging around 30°C (86°F), and peaking at 37°C (99°F). The month sees moderate precipitation, totaling 40 mm (1.6 in) over about six days, accompanied by a humidity level of 47%. In contrast, May experiences slightly warmer conditions, with temperatures ranging from 22°C (72°F) to a maximum of 39°C (103°F) while maintaining the same average of 30°C (86°F). However, May is much wetter, with precipitation reaching 141 mm (5.6 in) spread over 20 days, leading to significantly higher humidity levels of 78%. For those interested in a detailed overview of the weather in May, you can check out Siem Reap weather in May.
In March, the weather tends to be warm, with minimum temperatures averaging around 22°C (72°F) and maximums reaching up to 37°C (99°F). With an average precipitation of 40 mm (1.6 in) over just 6 days, humidity levels are relatively moderate at 47%. In contrast, June brings slightly higher minimum temperatures of 26°C (79°F), while maximum temperatures peak at 38°C (100°F). However, June is characterized by much heavier rainfall, accumulating 117 mm (4.6 in) over 21 days, resulting in significantly increased humidity levels at 86%. For more details about the weather in June, you can check Siem Reap weather in June.
In March, Siem Reap experiences a warm climate with temperatures ranging from a minimum of 22°C (72°F) to a scorching maximum of 37°C (99°F) and an average of 30°C (86°F). The month sees relatively low precipitation at 40 mm (1.6 in) over about 6 days, paired with a humidity level of 47%. In contrast, July brings a higher minimum temperature of 25°C (77°F) and a maximum of 38°C (101°F), but with a notable drop in average temperature to 29°C (85°F). July is characterized by significantly increased rainfall, totaling 145 mm (5.7 in) across 23 days, alongside a much higher humidity level at 88%. For more detailed weather information, check out Siem Reap weather in July.
When comparing the weather in March and August, significant differences emerge. March boasts a warmer average temperature of 30°C (86°F) with much lower humidity at 47%, making it feel more comfortable despite a maximum temperature that can reach up to 37°C (99°F). In contrast, August experiences slightly cooler average temperatures of 29°C (85°F) but features high humidity at 90%, leading to a more oppressive atmosphere. Additionally, August sees a substantial increase in precipitation, with 152 mm (6.0 inches) falling over 23 days compared to March's 40 mm (1.6 inches) over just 6 days. For more detailed weather insights during this month, check out Siem Reap weather in August.
In comparing the weather between March and September, significant differences emerge in temperature and precipitation. March boasts warmer temperatures, with a minimum of 22°C (72°F) and a maximum reaching up to 37°C (99°F), while September experiences slightly higher minimum temperatures at 24°C (76°F), but a lower average maximum of 35°C (96°F). Precipitation also varies greatly; March averages only 40 mm (1.6 in) over 6 days, whereas September sees a substantial increase, totaling 240 mm (9.4 in) across 25 days, leading to much higher humidity levels at 90%. For a more in-depth look at September weather, you can check out Siem Reap weather in September.
March and October offer contrasting weather experiences. In March, temperatures range from a comfortable 22°C (72°F) at night to a hot 37°C (99°F) during the day, with a relatively low average humidity of 47%. Precipitation is minimal, totaling only 40 mm (1.6 in) spread over 6 days, making it a drier month overall. In contrast, October features a cooler average temperature of 28°C (83°F), with maximums reaching 34°C (93°F). However, it is significantly wetter, with 238 mm (9.4 in) of rain over 22 days, leading to a much higher humidity level of 85%. For more details, you can check Siem Reap weather in October.
March and November present quite contrasting weather conditions. In March, the temperatures are typically warmer, with a daily minimum of 22°C (72°F) and an average high of 30°C (86°F), making it quite a hot month overall. However, it experiences only about 40 mm (1.6 in) of precipitation over 6 days and the humidity stands at a relatively moderate 47%.
In contrast, November is cooler and wetter. The minimum temperature drops slightly to 21°C (71°F), with an average high of 27°C (82°F) and a maximum of 34°C (94°F). This month sees increased rainfall, with approximately 78 mm (3.1 in) of precipitation over 13 days, and the humidity rises significantly to 79%. For more detailed insights about the weather during this time, you can check Siem Reap weather in November.
March and December present contrasting weather patterns in terms of temperature and humidity. In March, temperatures range from a minimum of 22°C (72°F) to a maximum of 37°C (99°F), with an average of 30°C (86°F), making it significantly warmer. The month also experiences 40 mm (1.6 in) of precipitation over about 6 days, alongside lower humidity at 47%. In contrast, December sees milder temperatures with a minimum of 16°C (61°F) and a maximum of 34°C (94°F), averaging 26°C (80°F). Additionally, this month has less precipitation at 23 mm (0.9 in) over 5 days and higher humidity levels at 68%. For more detailed insights on December conditions, you can visit Siem Reap weather in December.
As March unfolds in Siem Reap, the weather typically reaches its peak warmth, with higher maximum temperatures making it noticeably warmer compared to the cooler months preceding it. Humidity remains moderate, creating a steamy atmosphere, while the chance of rain slightly increases, with a handful of wet days to break the arid spell. This transitional month invites travelers to experience the vibrant local life, but it’s wise to stay hydrated and seek shade during the hottest parts of the day. For a deeper dive into Siem Reap's diverse weather patterns throughout the year, check out Siem Reap Climate.