December Weather in Chiang Khan, Thailand

Last updated: August 27, 2025

In December, Chiang Khan, Thailand boasts a pleasant climate characterized by a maximum temperature of 34°C (93°F) and an average of 22°C (72°F), providing ideal conditions for outdoor activities. Nights cool down to a refreshing 9°C (48°F), offering a cozy respite. Rainfall is minimal, with only 10 mm (0.4 inches) expected over just 2 days, while humidity hovers around 57%, contributing to a comfortable atmosphere. This combination of moderate temperatures and low precipitation makes December an appealing month to explore the natural beauty and rich culture of this enchanting riverside town.

December Temperature in Chiang Khan

In Chiang Khan, Thailand, December marks the transition into cooler weather, with temperatures reaching a minimum of 9°C (48°F), an inviting change from the warmth of the preceding months. The average temperature settles at 22°C (72°F), offering a pleasant climate for outdoor activities and exploration. As the month progresses, daytime highs can reach up to 34°C (93°F), creating a comfortable blend of crisp mornings and sunny afternoons. This trend of decreasing temperatures from November’s averages signals a shift toward the dry season, making December an ideal time for visitors to experience the scenic beauty and cultural rich atmosphere of this charming riverside town.

December Weather in Chiang Khan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Chiang Khan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiang Khan, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec737581838383828281807772
Data source: Temperature data for Chiang Khan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Chiang Khan

December in Chiang Khan, Thailand, marks a noticeable decline in precipitation, with only 10 mm (0.4 in) of rain falling over just 2 days. This drop concludes the monsoon season, which peaks in the earlier months with heavy downpours, particularly in August and September, where rainfall reaches 321 mm (12.6 in) and 253 mm (10.0 in) respectively. As the year winds down, the region transitions to a drier climate, with November already showing a significant reduction in rainfall at 15 mm (0.6 in). This pattern suggests that December is characterized by a much more tranquil weather atmosphere, making it an ideal time for visitors seeking to explore Chiang Khan's natural beauty without the interruptions of frequent rain.

December Precipitation Trends in Chiang Khan

The chart displays monthly precipitation patterns in Chiang Khan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Chiang Khan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec82232781712212333212531431510
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chiang Khan

In December, Chiang Khan experiences a noticeable drop in humidity, reaching 57%. This marks a significant decline compared to the peak levels seen in the mid-year months, where humidity soars above 80%. The trend throughout the year reveals a distinct pattern: the humidity starts higher in the rainy season from May to September, characterized by muggy conditions that often exceed 85%. As the calendar turns towards December, the air becomes more comfortable, transitioning from the oppressive moisture of summer to a cooler, drier atmosphere, making it an ideal time to explore this charming town along the Mekong River.

December Average Humidity in Chiang Khan

This chart illustrates the average monthly humidity levels in Chiang Khan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Chiang Khan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%39%40%69%81%83%87%86%74%63%57%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chiang Khan

In December, Chiang Khan, Thailand, experiences a UV Index of 8, which falls into the very high exposure category, necessitating a burn time of just 15 minutes. While this marks a slight decline from the extreme levels seen in the peak months of May through October, it's still crucial to exercise caution under the sun. Throughout the year, the region shows a notable trend of escalating UV intensity, with indices peaking at 14 during the summer months. As the year winds down, individuals should remain vigilant and consider protective measures, even with a lower index in December. For more detailed insights, visit Chiang Khan UV Index.

Maximum UV Index Levels in Chiang Khan for December

The chart shows the monthly maximum UV Index (UVI) for Chiang Khan in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Chiang Khan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121313141414141412108
Data source: Chiang Khan December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Chiang Khan

In December, Chiang Khan, Thailand, basks in a delightful 313 hours of sunshine, making it one of the sunniest months of the year. This vibrant glow follows a noticeable upward trend in daylight hours throughout the latter part of the year, particularly after the rainy season. While January kicks off the year with 252 hours, each month sees an increase, with February and March peaking at 294 and 322 hours respectively. By December, this sunny crescendo creates a perfect backdrop for exploring the charming riverside town, enjoying outdoor activities or simply soaking in the warmth before the year comes to a close. With most months hovering around the 300-hour mark, December stands out as a bright highlight, inviting visitors to embrace the beauty of Thailand's winter sun.

Monthly Sunshine Duration in Chiang Khan: December Highlighted

The December sunshine duration represents the total number of hours Chiang Khan experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec252h294h322h310h304h262h261h233h272h284h305h313h
Data source: Chiang Khan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chiang Khan During December

In Chiang Khan, Thailand, December brings a notable increase in sunshine, boasting a remarkable 84% chance of clear skies, tying with February for some of the sunniest moments of the year. This trend showcases a significant seasonal shift, especially when compared to the damp and overcast months that precede it, such as June and July, where the likelihood of sun drops dramatically to just 13%. As the year wraps up, December emerges as a prime time for visitors seeking pleasant weather amidst the beautiful landscapes, continuing the pattern of clear days that begins in November with a 61% chance of sunshine. This sunny peak not only enhances the festive atmosphere but also invites outdoor exploration and enjoyment of the stunning surroundings.

Percentage of Sunny Days in December in Chiang Khan

The chart illustrates the percentage of sunny days in Chiang Khan throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chiang Khan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%66%25%37%14%13%13%14%26%61%84%
Data source: Chiang Khan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chiang Khan in December

In December, Chiang Khan, Thailand enjoys 11 hours of daylight, aligning with the shorter days seen in the earlier winter months of January and February. This consistency highlights a trend of declining daylight as the year transitions from the long, bright days of June and July, which offer 13 hours of sunlight. As spring approaches in March, daylight begins to extend, reaching 12 hours in the peak months of April and May. The gradual reduction of daylight duration after October serves as a natural rhythm in this charming riverside town, making December an ideal time for cozy evenings and the serene exploration of beautiful landscapes under the soft glow of twilight.

Average Daylight Hours in Chiang Khan for December

The chart illustrates the variation in daylight duration in Chiang Khan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 32m12h 57m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Chiang Khan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Chiang Khan

In December, Chiang Khan, Thailand, experiences a gentle breeze, with average wind speeds around 1.5 m/s (3 mph), mirroring the calmness typical of previous months. As we transition from the autumnal winds of November, which also recorded a speed of 1.5 m/s, December maintains this serene atmospheric quality. This stability contrasts with the slightly breezier months of June and July, where wind speeds peaked at 2.0 m/s, providing a refreshing respite during the hotter seasons. Overall, the December winds contribute to the tranquil ambiance of Chiang Khan, making it an ideal time for serene reflections by the Mekong River or leisurely strolls through its charming streets.

Average December Wind Speed in Chiang Khan

The chart displays monthly wind speed patterns in Chiang Khan, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.61.31.32.02.01.71.41.31.51.5 m/s
Data source: Chiang Khan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Chiang Khan Compares to Other Months

Weather in Chiang Khan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chiang Khan, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather tends to be warm, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (93°F) and an average of 22°C (72°F). Humidity is relatively moderate at 57%, and there is light rainfall recorded over two days, totaling 10 mm (0.4 in). In contrast, January experiences slightly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 35°C (95°F), averaging 23°C (73°F). Precipitation decreases to 7 mm (0.3 in), occurring over just one day, while humidity falls to 52%. For more detailed information, you can refer to Chiang Khan weather in January.

December offers a mild climate with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (93°F) and an average of 22°C (72°F). In contrast, February sees slightly warmer temperatures, with a minimum of 13°C (55°F), an average of 24°C (75°F), and a high of 37°C (99°F). While both months experience limited rainfall, December has only 10 mm (0.4 in) over two days, compared to February's 22 mm (0.9 in) for the same duration. Additionally, December's humidity averages 57%—slightly higher than February's 49%. For a more detailed look at February's weather, visit Chiang Khan weather in February.

In December, the weather is generally mild with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (93°F), accompanied by low humidity at 57%. Precipitation is minimal, averaging just 10 mm (0.4 in) over about 2 days. In contrast, March sees more heat with temperatures starting at a higher minimum of 16°C (62°F) and peaking at 39°C (102°F). The month is also wetter, with precipitation totaling 32 mm (1.3 in) over approximately 6 days, but with lower humidity levels at 39%. For more insights on the March weather, you can visit Chiang Khan weather in March.

In comparing the weather between December and April, December offers milder temperatures with a range from a minimum of 9°C (48°F) to a maximum of 34°C (93°F), along with low precipitation of only 10 mm (0.4 in) over 2 days and a humidity level of 57%. In contrast, April experiences significantly warmer conditions, with minimum temperatures starting at 17°C (62°F) and soaring to a maximum of 41°C (105°F). The month is also much wetter, recording 78 mm (3.1 in) of rainfall over 12 days, but with lower humidity at 40%. For more detailed insights about April weather, you can visit Chiang Khan weather in April.

In December, the weather offers a pleasant range with temperatures peaking at a comfortable 34°C (93°F) and a low of 9°C (48°F), complemented by relatively low humidity at 57%. This month experiences minimal rainfall, with only 10 mm (0.4 in) over just two days, making it a popular time for outdoor activities. In contrast, May brings significantly warmer temperatures, with highs soaring up to 40°C (105°F) and average temperatures of 29°C (84°F). However, this month is characterized by heavier rainfall, totaling 171 mm (6.7 in) across 20 days, resulting in increased humidity at 69%. For more details on the unique weather conditions in May, you can visit Chiang Khan weather in May.

December and June present stark contrasts in weather conditions. In December, temperatures range from a pleasant minimum of 9°C (48°F) to a maximum of 34°C (93°F), with average temperatures around 22°C (72°F). The month experiences minimal precipitation, averaging just 10 mm (0.4 in) over 2 days, and maintains a moderate humidity level of 57%. In contrast, June is significantly warmer, with temperatures ranging from a minimum of 23°C (74°F) to a scorching 38°C (101°F), averaging 29°C (84°F). The month is also characterized by heavy rainfall, receiving 221 mm (8.7 in) over 22 days, and higher humidity levels at 81%. For a deeper understanding of the weather, you can explore Chiang Khan weather in June.

In December, temperatures in Chiang Khan are generally mild, with a minimum of 9°C (48°F) and an average of 22°C (72°F), peaking at a maximum of 34°C (93°F). The month experiences little rainfall, totaling only 10 mm (0.4 in) over just two days, and maintains a relatively comfortable humidity level of 57%. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to a high of 37°C (99°F) and an average of 28°C (83°F). However, July is also characterized by significantly higher rainfall, accumulating 233 mm (9.2 in) across 23 days, accompanied by elevated humidity levels of 83%. For a closer look at July’s climate, you can visit Chiang Khan weather in July.

When comparing the weather in December and August, December offers milder temperatures with a minimum of 9°C (48°F) and an average of 22°C (72°F), peaking at a maximum of 34°C (93°F). The month sees limited precipitation, only about 10 mm (0.4 in) over just 2 days, and a relatively comfortable humidity level of 57%. In stark contrast, August experiences much warmer conditions, with temperatures starting at a minimum of 23°C (74°F) and averaging 28°C (82°F), reaching highs of 36°C (97°F). However, it is also marked by significant rainfall, with 321 mm (12.6 in) spread over 25 days and substantially higher humidity at 87%. For more detailed information, you can refer to Chiang Khan weather in August.

In December, the weather is notably cooler, with minimum temperatures around 9°C (48°F) and maximums reaching up to 34°C (93°F). The humidity is relatively comfortable at 57%, and precipitation is minimal, averaging just 10 mm over two days. In contrast, September brings much warmer temperatures, with lows of 22°C (72°F) and highs reaching up to 35°C (96°F). However, this month is characterized by heavy rainfall, totaling 253 mm across an average of 23 days, and a higher humidity level of 86%. For more specific details, check out Chiang Khan weather in September.

When comparing the weather in December and October, December tends to be milder with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (93°F), while October experiences warmer weather, with temperatures fluctuating between 19°C (66°F) and 36°C (96°F). Additionally, December sees significantly less precipitation, with only 10 mm (0.4 in) over 2 days, in contrast to October's substantial rainfall of 143 mm (5.6 in) spread over 17 days. The humidity is also lower in December at 57%, compared to 74% in October, making December feel more comfortable overall. For a detailed look at October’s weather, check out Chiang Khan weather in October.

December weather is generally milder compared to November, with minimum temperatures dropping to 9°C (48°F) compared to November’s minimum of 17°C (62°F). The average temperature in December is slightly lower at 22°C (72°F) compared to 25°C (78°F) in November, while both months see maximum temperatures in the low to mid-30s°C. December experiences less precipitation at 10 mm (0.4 in) over just 2 days, while November has 15 mm (0.6 in) of rain spread over 5 days. Additionally, humidity levels are marginally lower in December at 57%, compared to 63% in November. For a more detailed comparison, you can check out Chiang Khan weather in November.

Compare Chiang Khan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Chiang Khan

In December, Chiang Khan experiences a delightful shift in weather as it transitions away from the heat of the hotter months. With temperatures averaging around 22°C (72°F), the cooler evenings offer a refreshing reprieve, especially when compared to the sultry summer days. The relatively low humidity at 57% contributes to a comfortable atmosphere, making outdoor explorations more enjoyable. Unlike the rainy season, December sees minimal precipitation, averaging only 10 mm across just a couple of days, ensuring plenty of sunshine to bask in. For lovers of mild weather, December is undoubtedly a charming month to visit. For more detailed insights, check out Chiang Khan Climate.