December Weather in Chiang Saen, Thailand

Last updated: August 27, 2025

Experience the enchanting December weather in Chiang Saen, Thailand, where temperatures range from a minimum of 7°C (45°F) during the cool nights to a maximum of 32°C (90°F) on sunny days. The month boasts an average temperature of 20°C (69°F), making it an ideal time for outdoor exploration. Although the region receives a modest 26 mm (1.0 in) of precipitation over four days, the 62% humidity ensures a refreshing atmosphere, perfect for enjoying the picturesque landscapes and vibrant local culture. Embrace the charm of this northern Thai gem as you navigate its delightful weather!

December Temperature in Chiang Saen

In December, Chiang Saen experiences a delightful shift in temperatures, marking the arrival of the cool season. With minimums dipping to 7°C (45°F), the nights can get quite chilly, making it a great time for cozy layers. The average temperature hovers around 20°C (69°F), offering a pleasant daytime climate for outdoor exploration. Daytime highs can reach 32°C (90°F), allowing visitors to bask in the sun while enjoying the lush landscapes. This month serves as a refreshing contrast to the sweltering heat of earlier months, making December an ideal time for travel and outdoor activities in this charming Thai town.

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

The chart illustrates December temperature patterns in Chiang Saen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiang Saen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec697279828383828181797569
Data source: Temperature data for Chiang Saen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Chiang Saen

In December, Chiang Saen, Thailand, experiences a noticeable decline in precipitation, with only 26 mm (1.0 in) of rainfall spread over just 4 days. This marks a stark contrast to the peak rainy months that precede it, particularly July and August, which see substantial rainfall exceeding 300 mm. As the region transitions from the heavy downpours of the monsoon season into the drier winter months, December typically serves as a gentle conclusion to the wet season, providing a brief respite before January’s light precipitation. This seasonal pattern underscores the marked shift in weather, illustrating Chiang Saen’s unique climate dynamics throughout the year.

December Precipitation Trends in Chiang Saen

The chart displays monthly precipitation patterns in Chiang Saen, 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 Saen, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3915101201352393023812581443426
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chiang Saen

As the year comes to a close, December in Chiang Saen reveals a shift from the sweltering humidity of the preceding months. After experiencing peak levels of 90% in July and 92% in August, December sees a relative drop to 62%. This month marks a transition towards drier conditions, anticipated after the intense rainfalls of mid-year. Interestingly, despite the increase from November's 67%, December’s humidity still stands notably lower than the summer highs, indicating a respite for residents and visitors alike. The overall trend reflects the region’s seasonal dynamics, highlighting a shift from peak humidity in the height of the rainy season to more manageable levels as the cooler months approach.

December Average Humidity in Chiang Saen

This chart illustrates the average monthly humidity levels in Chiang Saen, 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 Saen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec54%52%40%36%56%82%90%92%85%70%67%62%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chiang Saen

In December, the UV Index in Chiang Saen, Thailand, registers at 8, maintaining the very high exposure category with a burn time of 15 minutes. This slight drop from the previous months reflects a trend towards lower UV levels as the year draws to a close; however, caution is still necessary. The earlier months, particularly from March to September, show a peak in intensity, reaching 14 on the scale and highlighting an extreme risk for sunburn in just 10 minutes of exposure. As the seasons transition, December presents an opportunity for outdoor activities but reminds residents and visitors to stay vigilant against the sun's rays. For more detailed information, you can explore the Chiang Saen UV Index.

Maximum UV Index Levels in Chiang Saen for December

The chart shows the monthly maximum UV Index (UVI) for Chiang Saen 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 Saen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec910131214141414141298
Data source: Chiang Saen 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 Saen

In Chiang Saen, Thailand, the month of December shines with a delightful 302 hours of sunlight, marking a continuation of the region's generally bright climatic trend as the year draws to a close. Following a consistent increase from January’s modest 236 hours, daylight hours steadily climb, peaking in March with an impressive 328 hours. As the hot season approaches, sunlight hours begin to gradually decline, but December still boasts a remarkable amount of sunshine, outperforming many other months. This trend illustrates not only the charm of a tropical winter but also hints at the thriving outdoor activities available in the region, making it an ideal destination for travelers seeking warmth and vibrancy during the holiday season.

Monthly Sunshine Duration in Chiang Saen: December Highlighted

The December sunshine duration represents the total number of hours Chiang Saen 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.
JanFebMarAprMayJunJulAugSepOctNovDec236h290h328h310h323h272h248h243h270h287h294h302h
Data source: Chiang Saen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chiang Saen During December

In Chiang Saen, Thailand, December boasts a promising 77% chance of sunny weather, making it one of the more favorable months for sunshine in the region. This significant likelihood follows a steady upward trend from the previous months, particularly notable after the rainy season. While November offers a respectable 45% chance, the leap to December signals a transition towards drier and sunnier days. This pattern continues into early winter, where sunshine peaks in the following months, providing an inviting atmosphere for travelers and locals alike. Overall, December stands out as a brilliant choice for those seeking warmth and brightness in their holiday experiences.

Percentage of Sunny Days in December in Chiang Saen

The chart illustrates the percentage of sunny days in Chiang Saen 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 Saen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec66%69%81%41%40%11%16%13%29%30%45%77%
Data source: Chiang Saen December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chiang Saen in December

As the year winds down, December in Chiang Saen, Thailand, marks a subtle transition in daylight duration. With only 10 hours of daylight, this month signals the shortest days following a steady increase from 11 hours in the winter months of January and February. The daylight gradually brightens through the spring, peaking at 13 hours in the heart of summer from May to July. Following this peak, daylight hours begin their slow retreat, dropping back to 12 hours in August and September and returning to 11 hours in October and November. This rhythmic pattern highlights a distinct seasonal cycle in Chiang Saen, where each month offers a unique balance of light and shadow, ultimately culminating in the cozy, shorter days of December.

Average Daylight Hours in Chiang Saen for December

The chart illustrates the variation in daylight duration in Chiang Saen throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 2m11h 28m12h 1m12h 36m13h 5m13h 19m13h 12m12h 46m12h 13m11h 39m11h 9m10h 54m
Data source: Chiang Saen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Chiang Saen

As December settles over Chiang Saen, the winds exhibit a gentle breath, with an average speed of 1.2 m/s (3 mph). This reflects a slight decrease from the more active summer months, where wind speeds were notably higher, peaking at 1.6 m/s in June. The winter months, particularly from November to March, demonstrate a calm consistency, with speeds hovering around 1.1 to 1.4 m/s, creating a serene atmosphere that perfectly complements the tranquil beauty of the surrounding landscapes. December’s whispering winds offer a refreshing contrast to the preceding humid season, inviting both locals and visitors to embrace the peaceful charm of Northern Thailand this time of year.

Average December Wind Speed in Chiang Saen

The chart displays monthly wind speed patterns in Chiang Saen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.31.31.31.31.61.41.31.01.11.11.2 m/s
Data source: Chiang Saen December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Chiang Saen Compares to Other Months

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

In December, the temperatures in Chiang Saen range from a minimum of 7°C (45°F) to a maximum of 32°C (90°F), with an average temperature of 20°C (69°F). Precipitation is relatively low, totaling 26 mm (1.0 in) over just four days, resulting in a humidity level of 62%. In contrast, January sees slightly warmer temperatures with a minimum of 9°C (48°F) and a maximum of 33°C (91°F), while the average temperature remains steady at 21°C (69°F). However, January experiences increased precipitation of 39 mm (1.5 in) over the same four days, contributing to a lower humidity level of 54%. For more detailed weather insights, check out Chiang Saen weather in January.

December and February in Chiang Saen showcase distinct weather patterns. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). This month experiences a moderate amount of precipitation at 26 mm (1.0 in) over four days, along with a humidity level of 62%. In contrast, February sees warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching up to 36°C (96°F), averaging 22°C (72°F). Precipitation drops significantly to 15 mm (0.6 in) over just one day, and humidity decreases to 52%. For more details, you can check Chiang Saen weather in February.

In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 32°C (90°F), with an average temperature of 20°C (69°F). The month experiences about 26 mm (1.0 in) of precipitation over four days and has a humidity level of 62%. Conversely, March offers warmer conditions, with temperatures ranging from a minimum of 12°C (54°F) to a scorching maximum of 39°C (102°F), averaging 26°C (79°F). The precipitation decreases notably to only 10 mm (0.4 in) over just one day, and humidity drops to 40%. Overall, March presents a transition into hotter weather with less rainfall compared to December. For more detailed weather information, check out Chiang Saen weather in March.

When comparing the weather in December and April, December enjoys milder temperatures with a minimum of 7°C (45°F) and an average of 20°C (69°F), while April experiences significantly warmer conditions, with a minimum of 17°C (63°F) and an average of 28°C (82°F). December also sees less precipitation, totaling 26 mm (1.0 in) over just 4 days, whereas April is much wetter with 120 mm (4.7 in) of rain spread across 10 days. Humidity levels are higher in December at 62%, contrasting sharply with April's lower humidity of 36%. For a more detailed look at the climate specifics, visit Chiang Saen weather in April.

In December, the weather in Chiang Saen is relatively mild, with temperatures ranging from a low of 7°C (45°F) to a warm high of 32°C (90°F), averaging around 20°C (69°F). The month sees limited rainfall of 26 mm (1.0 in) over approximately 4 days, coupled with a humidity level of 62%. In contrast, May experiences significantly warmer temperatures, with a minimum of 21°C (70°F) and a scorching maximum of 42°C (108°F), averaging 28°C (84°F). The precipitation also rises dramatically to 135 mm (5.3 in) spread over 17 days, while humidity drops slightly to 56%. For more specific details, you can check the Chiang Saen weather in May.

December and June present striking contrasts in weather conditions. In December, temperatures range from a cooler minimum of 7°C (45°F) to a comfortable average of 20°C (69°F) and peak at 32°C (90°F). The month typically sees relatively low precipitation at 26 mm (1.0 in) over just 4 days, along with a moderate humidity level of 62%. In contrast, June experiences much warmer temperatures, with a minimum of 23°C (74°F) and averages reaching 28°C (83°F), soaring to a maximum of 38°C (101°F). This month is notably wetter, registering 239 mm (9.4 in) of rainfall over 24 days, and higher humidity levels at 82%. For a detailed look at June's climate, you can visit Chiang Saen weather in June.

When comparing the weather in December and July, distinct contrasts emerge. December boasts milder temperatures, with minimums around 7°C (45°F) and maximums reaching 32°C (90°F), creating a comfortable average of 20°C (69°F). It also experiences relatively low precipitation with only 26 mm (1.0 in) across just 4 days, along with a moderate humidity level of 62%. In stark contrast, July is characterized by much warmer conditions, featuring minimum temperatures at 23°C (74°F) and a scorching maximum of 38°C (101°F), leading to an average temperature of 28°C (82°F). This month sees significant rainfall, with 302 mm (11.9 in) of precipitation over an impressive 26 days, accompanied by high humidity levels of 90%. For more specific details, you can check Chiang Saen weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a cool 7°C (45°F) at night to a warm 32°C (90°F) during the day, with an average of 20°C (69°F). The month experiences relatively low precipitation of 26 mm (1.0 in) spread over just 4 days and a moderate humidity level of 62%. In comparison, August is significantly warmer, with nighttime lows of 23°C (74°F) and daytime highs reaching up to 37°C (98°F), averaging 27°C (82°F). This month also sees heavy rainfall, accumulating 381 mm (15.0 in) over 28 days, accompanied by high humidity at 92%. For a closer look at the August weather specifics, check out Chiang Saen weather in August.

When comparing the weather in December and September, one can see distinct differences. December experiences milder temperatures with a minimum of 7°C (45°F) and an average high of 32°C (90°F), while September boasts significantly warmer conditions, featuring a minimum of 20°C (69°F) and highs reaching 36°C (97°F). Additionally, September is notably wetter, with 258 mm (10.2 inches) of precipitation over 24 days, compared to December’s more moderate 26 mm (1.0 inch) of rain over just 4 days. The humidity is also higher in September at 85%, compared to December's 62%. For more detailed insights, you can visit Chiang Saen weather in September.

In the comparison of December and October weather, December boasts a more moderate temperature range with minimums around 7°C (45°F) and maximums reaching 32°C (90°F), leading to a comfortable average of 20°C (69°F). In contrast, October is significantly warmer, featuring minimum temperatures of 19°C (66°F) and maximums peaking at 35°C (95°F), resulting in an average of 26°C (79°F). While December experiences less rainfall, with only 26 mm (1.0 in) over 4 days, October is much wetter, accumulating 144 mm (5.7 in) over 18 days. Additionally, humidity levels are slightly higher in October at 70%, compared to December’s 62%. For more detailed insights, check Chiang Saen weather in October.

In comparing the weather of December and November, December sees a notable drop in minimum temperatures, averaging 7°C (45°F), compared to November's milder 14°C (58°F). Despite having a lower average maximum temperature of 32°C (90°F) in December, November reaches a high of 35°C (94°F). Precipitation is slightly less in December at 26 mm (1.0 in), occurring over fewer days (4 days) compared to November's 34 mm (1.3 in) spread over 6 days. Humidity is marginally lower in December at 62%, while November maintains a humidity level of 67%. For a detailed look at November weather, visit Chiang Saen weather in November.

Compare Chiang Saen's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Chiang Saen

In December, Chiang Saen offers a delightful escape from the sweltering heat of the preceding months, featuring a more comfortable average temperature of around 20°C (69°F). While daytime highs can reach a pleasant 32°C (90°F), the evenings cool significantly, often dipping to a refreshing 7°C (45°F). This month sees a modest amount of precipitation, with light showers occurring on just a few days, making it a prime time for outdoor activities. The humidity levels ease to a manageable 62%, contributing to a more enjoyable and breathable atmosphere. For a deeper understanding of how December fits into the broader weather patterns, explore the complete details at Chiang Saen Climate.