Last updated: August 21, 2025
January weather in Angkor Thom, Cambodia offers a delightful mix of warm temperatures and low humidity, perfect for exploring the ancient temples. With a maximum of 35°C (96°F) and an average of 27°C (81°F), visitors can enjoy sunny days with only 8 mm (0.3 in) of rainfall across just one day of the month. The minimum temperature dips to a comfortable 14°C (57°F) at night, ensuring pleasant evenings. Overall, January is an inviting time to experience the rich history and culture of this UNESCO World Heritage site amidst relatively dry and warm conditions.
In January, Angkor Thom, Cambodia, enjoys a pleasant climate that sets the tone for the rest of the year. With temperatures ranging from a cool 14°C (57°F) at night to a warm 35°C (96°F) during the day, visitors can relish in the ideal conditions for exploration. As the month progresses into February, the mercury begins to rise, with both minimum and maximum temperatures increasing, hinting at the hotter months ahead. This trend continues into March and April, where temperatures peak at 39°C (103°F) and 40°C (105°F), respectively. Despite the warmth, January maintains a comfortable average of 27°C (81°F), making it a fantastic entry point into Siem Reap’s vibrant historical landscape. As the calendar moves towards mid-year, the nights become warmer and the days sweltering, yet the charming ambiance of Angkor Thom remains inviting, promising an unforgettable experience for every traveler.
In January, Angkor Thum experiences a relatively dry start to the year, with only 8 mm of precipitation falling over just one day. This minimal rainfall sets the tone for the month, offering bright and sunny skies that are inviting for visitors exploring the region's rich cultural heritage. As the year progresses into February and March, the precipitation remains modest, but by April, the monsoon season draws nearer, with rainfall increasing significantly to 74 mm across 14 days. This gradual uptick in precipitation hints at the upcoming lushness that envelops the landscape, as the intense rainy months of May through September bring substantial rains, peaking in September with 256 mm of precipitation over 25 days. This distinctive pattern underscores the striking transition from the drier, cooler start of the year to the vibrant, humid conditions that characterize the Cambodian monsoon.
In January, Angkor Thum, Cambodia experiences a moderate humidity level of 55%, laying the groundwork for a shift towards drier conditions as the month slips into February with 50% humidity. This trend continues into March, reaching a comfortable 47%, ideal for sightseeing among the ancient temples. However, the warmth of April sees humidity rise back to 55%, a prelude to the tropical heat that follows. As the year progresses into the rainy season from May through August, humidity levels surge dramatically, peaking at 90% in August. The transition into the latter months brings a gradual decline, easing to 68% by December, indicating a shift from the sultry heat of summer to the more comfortable cooler months. This seasonal fluctuation highlights Cambodia's unique weather dynamics, evolving from pleasantly dry to oppressively humid.
In January, visitors to Angkor Thum, Cambodia should be prepared for a very high UV Index of 10, indicating that unprotected skin may burn within 15 minutes of exposure. As the months progress, the UV Index intensifies, peaking in March and May at an alarming 15 and falling into the extreme exposure category, which drastically reduces burn time to just 10 minutes. This trend of escalating UV levels continues through the rainy season, showcasing how vital it is to embrace sun protection throughout the year. Interestingly, a slight reprieve comes in November and December, where the UV Index returns to 10. For detailed information and to stay safe in the sun, check out the full UV Index for Angkor Thum here.
UV Risk Categories
In January, Angkor Thum basks in an impressive 260 hours of sunshine, setting a warm tone for the year ahead. As the months unfold, daylight hours gradually increase, peaking in March with 326 hours of radiant sunlight. This sunny trend slightly dips in April and July, yet remains consistently high throughout the spring and summer. By November, daylight returns to a robust 299 hours, reminiscent of January’s bright start, creating a cycle of bountiful light. The overall trajectory showcases a vibrant, sunny climate, perfect for exploring the ancient wonders of Cambodia, particularly as the days lengthen towards the peak of the dry season.
In Angkor Thum, Cambodia, January offers a moderate 51% chance of sunny weather, marking a respectable start to the year. As the month progresses, the likelihood of clear skies significantly increases, peaking in February at a remarkable 76%. This trend continues with March retaining a healthy 61%, before the sun gradually retreats in April and May, where the chances drop to 31% and 29% respectively. The data reveals a clear seasonal shift, with June through August experiencing the lowest probabilities of sunshine, falling to just 9%. By November, the weather begins to improve again, culminating in a 45% chance of sun by December. Overall, visitors seeking sunshine in Angkor Thum will find January a promising month, but should prepare for more variability as the year progresses.
In January, Angkor Thum basks in about 11 hours of daylight, a trend that continues into February. As spring approaches in March, daylight extends to 12 hours, marking the beginning of a prolonged period of sunshine that lasts through the summer months. This consistent 12-hour daylight duration from March to September fosters an ideal environment for exploring the ancient temples and the lush landscapes of the region. As the year winds down, daylight begins to taper off again, returning to 11 hours from October to December. This cyclical pattern of light not only influences daily life in Angkor Thum but also enhances the picturesque beauty of its iconic heritage throughout the changing seasons.
In January, Angkor Thum experiences a gentle breeze, with an average wind speed of 2.5 m/s (5 mph), providing a refreshing contrast to the typically warm Cambodian climate. As the month progresses into February and March, wind speeds slightly decline, reaching their lowest point at 2.0 m/s (5 mph) in March. However, as the dry season takes hold, April and May see a stable yet consistent breeze at 1.9 m/s (4 mph). Come June, the winds pick up invigorating momentum, peaking at 3.1 m/s (7 mph), signaling the shift toward the rainy season. The remainder of the year showcases a varied but moderate wind pattern, with occasional gusts in July and December. Overall, January sets the tone for a wind-speed trajectory that ebbs and flows with the seasons, marrying comfort and warmth in this historic region.
Weather in Angkor Thum varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Angkor Thum, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather tends to be slightly cooler, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 35°C (96°F) and an average of 27°C (81°F). The humidity level is moderate at 55%, and there is minimal rainfall, typically only occurring over one day. In contrast, February experiences warmer conditions, with minimum temperatures of 16°C (61°F) and maximums reaching 37°C (100°F), averaging 28°C (82°F). The humidity decreases slightly to 50%, and there is a bit more precipitation, typically falling over two days. For more details on the February weather in this region, check out Angkor Thum weather in February.
In January, the weather is generally mild, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 35°C (96°F) and an average of 27°C (81°F). The month experiences very little precipitation, only about 8 mm (0.3 in) over a single day, and the humidity sits at 55%. In contrast, March sees a significant increase in temperature, with a minimum of 21°C (70°F) and a peak of 39°C (103°F), averaging 30°C (86°F). Additionally, March is much wetter, receiving 38 mm (1.5 in) of rainfall across six days, while humidity dips to 47%. For a detailed look at the weather conditions in March, check out Angkor Thum weather in March.
January and April present notable contrasts in weather conditions. In January, temperatures range from a minimum of 14°C (57°F) to a maximum of 35°C (96°F), with an average of 27°C (81°F) and minimal precipitation of just 8 mm over one day. In contrast, April sees warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 40°C (105°F), averaging 30°C (87°F). April also experiences significantly more rainfall, totaling 74 mm over 14 days, while maintaining the same humidity level of 55%. For more details on the weather specifics, check out Angkor Thum weather in April.
In January, the weather features a more moderate range of temperatures, with minimums around 14°C (57°F) and maximums peaking at 35°C (96°F). The month is characterized by minimal rainfall, averaging only 8 mm (0.3 in) over just one day, and humidity levels are a comfortable 55%. In contrast, May brings significantly warmer conditions, with a minimum temperature of 22°C (71°F) and maximums soaring up to 41°C (105°F). Additionally, the month sees considerable rainfall, totaling 137 mm (5.4 in) over 19 days, leading to a much higher humidity level of 78%. For more detailed insights, you can check out the Angkor Thum weather in May.
In January, the weather is generally warm with temperatures ranging from a mild 14°C (57°F) at night to a sweltering maximum of 35°C (96°F) during the day. The month is characterized by low humidity at 55% and minimal precipitation, averaging just 8 mm (0.3 in) over the course of only one day. In stark contrast, June brings much hotter temperatures, with a minimum of 25°C (77°F) and highs reaching up to 39°C (102°F). The humidity significantly increases to 86%, and the region experiences substantial rainfall, totaling 127 mm (5.0 in) over approximately 21 days. For more details about the weather during this month, check out Angkor Thum weather in June.
Comparing January and July weather reveals a significant shift in conditions. In January, the temperatures range from a mild minimum of 14°C (57°F) to a warm maximum of 35°C (96°F), with an average temperature of 27°C (81°F) and only 8 mm (0.3 in) of precipitation over just 1 day, resulting in a comfortable humidity level of 55%. In contrast, July brings much hotter temperatures, with a minimum of 24°C (76°F) and a peak reaching up to 38°C (101°F), averaging at 29°C (84°F). However, this month is also marked by a substantial increase in rainfall, accumulating 172 mm (6.8 in) over 24 days, which elevates the humidity to a sticky 88%. For more detailed insights into July weather, you can visit Angkor Thum weather in July.
In January, the weather is typically warm and dry, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 35°C (96°F) and an average of 27°C (81°F). The humidity is moderate at 55%, and only a minimal amount of precipitation (8 mm or 0.3 in) is recorded over just one day. In contrast, August experiences significantly warmer temperatures with a minimum of 24°C (76°F) and a peak reaching 37°C (99°F), averaging around 29°C (84°F). However, this month is characterized by heavy rainfall, with precipitation totaling 188 mm (7.4 in) spread across 24 days, leading to much higher humidity levels at 90%. For those interested in the specific climate of Angkor Thum during this month, additional details can be found here: Angkor Thum weather in August.
In January, the weather is characterized by warm temperatures, with a minimum of 14°C (57°F) and an average of 27°C (81°F), peaking at 35°C (96°F). The month experiences minimal precipitation, with only 8 mm (0.3 in) over just one day and a humidity level of 55%. In contrast, September sees significantly warmer nights, with a minimum temperature of 23°C (74°F), and while the average remains similar at 28°C (83°F), it matches January's maximum of 35°C (96°F). However, September is noticeably wetter, receiving 256 mm (10.1 in) of rain spread across 25 days and soaring humidity levels at 90%. For more details on September weather, you can check Angkor Thum weather in September.
January and October present quite different weather patterns. In January, temperatures range from a minimum of 14°C (57°F) to a maximum of 35°C (96°F), with an average of 27°C (81°F). The month is relatively dry, with only 8 mm (0.3 in) of precipitation occurring over just one day and a humidity level of 55%. In contrast, October is much wetter, receiving 211 mm (8.3 in) of rain over 22 days, and features higher temperatures, with minimums around 21°C (71°F) and a maximum of 34°C (94°F). October's humidity also increases significantly to 85%. For more detailed information, you can check Angkor Thum weather in October.
In January, the weather features a minimum temperature of 14°C (57°F) and averages around 27°C (81°F), with a maximum reaching 35°C (96°F). The month sees minimal precipitation, with only 8 mm (0.3 in) over just one day and a humidity level of 55%. In contrast, November maintains a similar average temperature of 27°C (81°F) but starts off warmer at a minimum of 20°C (69°F). This month is significantly wetter, experiencing 73 mm (2.9 in) of precipitation over 12 days and a higher humidity level of 79%. For more details on the conditions in November, check out Angkor Thum weather in November.
In comparison to January, December experiences slightly cooler temperatures, with an average of 26°C (79°F) compared to January's 27°C (81°F). The minimum temperature in December is also a touch higher at 15°C (60°F) versus 14°C (57°F) in January. While both months can reach a maximum of 35°C (96°F), December has significantly more precipitation, totaling 22 mm (0.9 in) over about five rainy days, compared to just 8 mm (0.3 in) over one day in January. Additionally, December's humidity is higher at 68%, making it feel more tropical than January's 55%. For more details on December weather, check Angkor Thum weather in December.
January in Angkor Thum offers a delightful reprieve from the sweltering heat of the preceding months, with comfortable average temperatures around 27°C (81°F). Unlike the heavy rains characteristic of the wet season, this month sees only minimal precipitation, making it an ideal time for exploring the ancient temple complex. Visitors can enjoy the refreshing humidity levels, which hover around 55%, adding to the overall pleasant outdoor experience. As you plan your trip, learn more about seasonal variations and how January stands apart by visiting Angkor Thum Climate.