Last updated: August 21, 2025
December in Sihanoukville, Cambodia brings a delightful tropical experience, characterized by maximum temperatures reaching 31°C (89°F) and a comfortable average of 27°C (81°F). With nighttime lows of 23°C (73°F), the evenings are pleasantly warm, perfect for seaside strolls. However, visitors should be prepared for 64 mm (2.5 in) of rainfall spread across 11 days, contributing to an overall humidity level of 76%. This blend of warmth and moisture creates a lush atmosphere, making December an appealing time to explore the vibrant coastal city.
As December rolls into Sihanoukville, Cambodia, the temperatures showcase a delightful balance that makes this coastal city an ideal getaway. The average temperature hovers around a pleasant 27°C (81°F), with lows dipping to a comfortable 23°C (73°F) and highs reaching up to 31°C (89°F). This month marks the end of the rainy season, offering slightly cooler evenings and perfect beach days. Notably, the temperature trend reflects a gentle stability throughout the year, with December mirroring the warmth of previous months. Travelers can expect sunny skies and inviting waters, making it a fantastic time to experience the vibrant culture and stunning landscapes of this tropical paradise.
In December, Sihanoukville experiences a notable transition in its precipitation patterns, with 64 mm (2.5 in) of rainfall spread over 11 days. This marks a decrease from the consistently high levels seen in the preceding months, particularly during the peak of the rainy season in June and July, where monthly totals soared above 400 mm. As the year draws to a close, December offers a reprieve, signaling the beginning of drier conditions ahead. While still retaining some moisture, this month's rainfall is significantly lower than the lush downpours of the summer months, providing a refreshing change for residents and visitors alike.
As the year draws to a close, December in Sihanoukville, Cambodia brings a noticeable shift in humidity levels, settling at a comfortable 76%. This decline follows the peak of the rainy season, which typically occurs from June to August when humidity levels soar to an impressive 86% to 88%. The months preceding December, like October and November, exhibit a consistent humidity of 84%, hinting at an overall trend of gradual decrease as the dry season approaches. In stark contrast, the earlier months of the year—January through March—maintain a more moderate humidity around 61% to 62%. December's climate invites a refreshing end to the heavier, moisture-laden air of the preceding months, making it an appealing time for visitors to enjoy Sihanoukville's beautiful beaches and vibrant culture.
As December rolls into Sihanoukville, Cambodia, the UV Index remains consistently high at 11, which is categorized as extreme. This indicates that effective sun protection is vital, with a burn time of just 10 minutes for unprotected skin. Notably, the UV Index experiences slight fluctuations throughout the year, peaking at 15 in both March and April before tapering off to 11 by year’s end. This trend suggests that while the UV intensity diminishes slightly in the cooler months, it remains a pressing concern for both locals and visitors. Staying informed and protected is essential; for detailed insights, check out the Sihanoukville UV Index.
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December in Sihanoukville, Cambodia, welcomes visitors with a delightful 310 hours of sunshine, encapsulating the charm of the dry season. As the year winds down, the sun shines more brightly compared to the preceding months, showcasing a significant increase from 260 hours in September and a healthy balance compared to November’s 293 hours. This trend highlights how the sun steadily builds through the latter part of the year, peaking in vibrant March with 333 hours, before gently tapering off. December’s inviting sun not only enhances beach outings but also offers a perfect backdrop for exploring the region’s stunning coastal beauty, making it an ideal getaway as the year comes to a close.
In Sihanoukville, Cambodia, December offers a 36% chance of sunny weather, a notable increase from the preceding months. As the rainy season wanes, the likelihood of sunshine begins to climb, contrasting sharply with the minimal sun exposure seen from July to October, where chances plummeted to as low as 8%. The transitional months of November and December hint at a return to more favorable weather, making the latter part of the year an appealing time for those seeking to enjoy the sun. However, with January's sunny probability at 38%, visitors should remain prepared for the occasional overcast day, even as the region starts to bask in clearer skies.
In Sihanoukville, Cambodia, December ushers in a consistent 11 hours of daylight, reflecting a pattern that kicks off the year with longer days in March through August, where sunlight stretches to a full 12 hours. This trend showcases the region's remarkable consistency in daylight, with shorter days in the latter part of the year as October and November also enjoy 11 hours of sunlight before the new year. As December rolls in, the days are perfect for enjoying the beautiful beaches and tropical vibe, making it an inviting time for both locals and visitors alike.
As December settles over Sihanoukville, Cambodia, the coastal winds whisper a refreshing calm with an average speed of 3.4 m/s (8 mph)—echoing the gentle breezes of November. This time of year marks a subtle transition from the stronger gusts experienced during the peak monsoon months of June and July, where winds reached up to 5.4 m/s (12 mph). A noticeable decrease in wind speed characterizes the late fall to winter months, contributing to the tranquil atmosphere that makes December an inviting choice for beachgoers and travelers seeking respite from the bustling holiday season. The consistent, mild winds offer an ideal backdrop for those looking to relax by the sea or engage in the myriad of water activities that Sihanoukville has to offer during this serene time of year.
Weather in Sihanoukville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sihanoukville, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Sihanoukville typically range from a minimum of 23°C (73°F) to a maximum of 31°C (89°F), with an average of 27°C (81°F). The month experiences about 64 mm (2.5 in) of precipitation over 11 days, contributing to a humidity level of 76%. In contrast, January sees similar temperature ranges, maintaining the 23°C (74°F) minimum and 31°C (87°F) maximum, with an average still at 27°C (81°F). However, precipitation decreases to 50 mm (2.0 in) over just 10 days, and humidity drops to 62%, making January slightly drier and less humid. For more detailed insights, you can check Sihanoukville weather in January.
December and February present similar averages in temperature, with both months maintaining an average of around 27°C (81°F) and max temperatures reaching close to 31°C (88°F) to 31°C (89°F). However, December tends to be slightly cooler with a minimum temperature of 23°C (73°F), compared to February's 25°C (76°F). In terms of precipitation, December experiences more rain with 64 mm (2.5 in) over 11 days, while February has significantly less, with only 36 mm (1.4 in) over 10 days. Additionally, the humidity in February is lower at 61%, making it feel a bit more comfortable compared to December's higher humidity of 76%. For more details, you can check Sihanoukville weather in February.
In December, the weather is characterized by a minimum temperature of 23°C (73°F) and an average of 27°C (81°F), while the maximum reaches 31°C (89°F). This month sees around 64 mm (2.5 in) of precipitation spread over 11 days, with humidity levels at a high 76%. In contrast, March presents slightly warmer conditions with a minimum temperature of 25°C (77°F) and an average of 28°C (82°F), although it shares the same maximum of 31°C (89°F). The total precipitation in March is slightly lower at 59 mm (2.3 in), but it's spread over a greater number of days, totaling 17, resulting in a lower humidity of 61%. For more detailed information, you can check Sihanoukville weather in March.
In December, the weather features temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (89°F), with an average temperature of 27°C (81°F). The month experiences considerable humidity at 76% and receives about 64 mm (2.5 in) of precipitation over approximately 11 days.
Conversely, April sees slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (83°F), and a peak at 32°C (90°F). However, it is also wetter, with a total precipitation of 116 mm (4.5 in) spread across about 21 days, and the humidity decreases to 67%. For a detailed overview of April weather, you can visit Sihanoukville weather in April.
December and May present quite different weather experiences. In December, temperatures range from a minimum of 23°C (73°F) to a maximum of 31°C (89°F), with an average of 27°C (81°F). The month is relatively drier, receiving about 64 mm (2.5 in) of precipitation over 11 days, while humidity hovers around 76%. In contrast, May is warmer, with a minimum temperature of 26°C (78°F) and an average of 28°C (83°F), but it is also significantly wetter, experiencing 324 mm (12.7 in) of rainfall across 29 days. Humidity remains similarly high at 78%. For more detailed information on May weather patterns, check out Sihanoukville weather in May.
In December, the weather in Sihanoukville is warm and relatively dry, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (89°F) and an average of 27°C (81°F). The month experiences about 64 mm (2.5 in) of precipitation spread over 11 days, with humidity levels at 76%. In stark contrast, June brings much wetter conditions, with a higher minimum temperature of 25°C (78°F) and an average of 28°C (83°F). This month sees a significant increase in rainfall, totaling 423 mm (16.6 in) over 27 days, with humidity rising to 84%. For a more detailed look at the conditions in June, you can visit Sihanoukville weather in June.
When comparing the weather in December and July, December presents a warmer climate with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (89°F), while July features slightly higher minimum temperatures of 25°C (78°F) and a maximum of 30°C (86°F). Despite somewhat similar average temperatures in both months, July is notably wetter, receiving an average of 568 mm (22.4 in) of precipitation over 29 days compared to December’s 64 mm (2.5 in) over just 11 days. Additionally, humidity levels in July are higher at 86%, compared to 76% in December, making July feel more oppressive. For a closer look at the July weather specifics, check out Sihanoukville weather in July.
In December, the weather in Sihanoukville features a warm average temperature of 27°C (81°F), with minimums around 23°C (73°F) and maximums reaching 31°C (89°F). The month experiences relatively low precipitation at 64 mm (2.5 in) over 11 days and maintains a humidity level of 76%. In contrast, August is typically warmer, with minimum temperatures of 25°C (78°F) and an average of 27°C (81°F), but it is also much wetter, receiving a staggering 606 mm (23.9 in) of rain over 28 days. The humidity during August is notably higher at 88%. For a more detailed overview of the weather conditions in August, you can visit Sihanoukville weather in August.
In comparing the weather between December and September, we see that December offers slightly cooler temperatures, with a minimum of 23°C (73°F) compared to September's minimum of 25°C (78°F). Both months share an average temperature of 27°C (81°F), but December has a more pleasant maximum temperature of 31°C (89°F) versus September's maximum of 30°C (86°F). However, September experiences significantly higher rainfall, with 521 mm (20.5 in) of precipitation over 27 days, compared to December's much lower total of 64 mm (2.5 in) across 11 days. The humidity is also higher in September at 87% compared to December's 76%. For more details on weather patterns, check out Sihanoukville weather in September.
In December, the weather in Sihanoukville is characterized by slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 31°C (89°F), averaging around 27°C (81°F). This month sees reduced precipitation, totaling 64 mm (2.5 in) over just 11 days, and a humidity level of 76%. In contrast, October experiences warmer minimum temperatures at 25°C (77°F) and similar maximums of 31°C (88°F), but it is significantly wetter, with 430 mm (16.9 in) of rainfall spread across 28 days and higher humidity at 84%. For more detailed information, check out Sihanoukville weather in October.
In comparing the weather of December and November, December generally offers slightly cooler temperatures, with minimums around 23°C (73°F) and an average of 27°C (81°F), while November's temperatures range from a minimum of 25°C (77°F) and an average of 28°C (82°F). Notably, both months share the same maximum temperature of 31°C (89°F). However, December experiences significantly less rainfall, with only 64 mm (2.5 in) over 11 days, compared to November’s 151 mm (6.0 in) over 18 days. Additionally, humidity is slightly lower in December at 76%, compared to November’s 84%. For more detailed insights, check out Sihanoukville weather in November.
As December rolls in, Sihanoukville experiences a delightful shift in its tropical climate, with temperatures cooling slightly, making it a more comfortable time to visit. The average temperature hovers around 27°C (81°F), allowing for pleasant beach days amidst the city's vibrant atmosphere. While the month sees about 11 days of rain totaling 64 mm, this precipitation is often brief, offering a refreshing respite rather than a hindrance. With humidity levels around 76%, the warmth is balanced by the occasional coastal breeze, setting a picturesque backdrop for exploring the region. For a deeper dive into what to expect throughout the year, check out Sihanoukville Climate.