Last updated: August 27, 2025
December in Mae Sai, Thailand, offers a delightful blend of mild weather and mild humidity, making it an ideal time to explore this charming town. With maximum temperatures reaching 31°C (89°F) and average lows around 20°C (68°F), the days are pleasantly warm while the evenings can dip to a cool 6°C (44°F), inviting cozy attire. Rainfall is minimal, with only 35 mm (1.4 in) recorded over about 4 days, allowing for ample sunshine and outdoor activities. Humidity levels hover around 62%, adding to the overall comfort of the month, perfect for both adventure seekers and those wanting to relax amidst stunning landscapes.
In December, Mae Sai, Thailand, experiences a notable shift in temperatures, offering a refreshing retreat as the year comes to a close. With min temperatures dropping to 6°C (44°F), it marks one of the coolest months of the year, while the average settles comfortably at 20°C (68°F). Daytime highs reach up to 31°C (89°F), creating a pleasant contrast between the crisp mornings and warmer afternoons. This month’s cooler climate stands in stark contrast to the soaring heat of April and May, making December a perfect time for outdoor exploration and cultural activities, as the weather invites visitors to enjoy everything Mae Sai has to offer without the sweltering heat often found in surrounding months.
In December, Mae Sai experiences a noticeable drop in precipitation, with only 35 mm (1.4 in) of rain—a stark contrast to the heavy downpours of the preceding months. This month typically sees just 4 days of rainfall, reflecting the shift from the monsoon season that peaks in July and August. The drier conditions of December provide a serene break after the intense rainfall, allowing the landscape to rejuvenate and the cooler temperatures to settle in. As the year concludes, Mae Sai transitions to a more tranquil weather pattern, setting the stage for a fresh start in January.
As December arrives in Mae Sai, Thailand, the humidity levels settle at a relatively comfortable 62%. This marks a notable transition from the sweltering peak of the rainy season, which peaks in August at a staggering 92%. Following the wet months, there's a gradual decline in moisture starting in October with 70% humidity, leading to a more pleasant atmosphere by the end of the year. The shift from the heavy, muggy air of July and August brings a welcome relief, hinting at the arrival of cooler breezes as the dry season begins. This month's levels of humidity sit comfortably between the dryness of April and the high humidity of late summer, making December an ideal time to explore the lush landscapes of Mae Sai.
In December, Mae Sai experiences a UV Index of 8, categorized as very high, which translates to a burn time of just 15 minutes. As the year concludes, this marks a slight decrease from the extreme levels of UV radiation observed during the peak months from March through October, where indices frequently hit 14. The trend shows a gradual return to high but more manageable UV levels compared to the summer's intense exposure. With a consistent pattern of very high UV ratings in the earlier months of winter, it's essential for residents and visitors alike to remain vigilant about sun protection. For more detailed insights on UV levels throughout the year, check out the Mae Sai UV Index.
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December in Mae Sai, Thailand, shines brightly with 302 hours of sunshine, capturing the heart of the dry season. As the year draws to a close, sunlight begins to taper off from the year's peak in March at 328 hours, yet remains abundant. The consistent warmth throughout late fall is reflected in November's 294 hours, offering a seamless transition into the sunny December days. Looking back, the trend showcases a steady pattern of sunlight, with the cool, crisp air of December providing an inviting backdrop for outdoor adventures. This vibrant month not only promises plenty of sunshine but also serves as a reminder of the gentle waning of daylight as the year wraps up.
In December, Mae Sai, Thailand showcases a promising likelihood of sunny weather, with a commendable 75% chance of sunshine. This marks a significant increase from the preceding months, where the sun only made sporadic appearances, peaking at a mere 43% in November. As the year draws to a close, residents and visitors alike can look forward to embracing the beauty of the outdoors under the bright sun. This trend highlights December as a favorable time for outdoor activities, making it a delightful month to explore the scenic landscapes and vibrant culture of this charming northern town.
In Mae Sai, Thailand, December marks a subtle shift in daylight as the year draws to a close. The month offers approximately 10 hours of sunlight, signaling a gradual decrease from the more generous 11 hours enjoyed in the preceding months of January and February. As the seasons transition, daylight durations peak in the lush months of May through July, where 13 hours illuminate the landscape. Following this bright stretch, daylight hours gently taper off, mirroring the retreat of the sun during the cooler months. This pattern highlights a rhythmic ebb and flow, as Mae Sai gracefully embraces the interplay between light and darkness throughout the year.
As December settles in Mae Sai, Thailand, the average wind speed maintains a gentle rhythm at 1.2 m/s (3 mph), slightly higher than the calmer spells of the previous months. This subtle uptick mirrors the trend seen throughout the year, where wind speeds fluctuate minimally, rarely venturing above 1.4 m/s (3 mph) during the wetter months and dipping to a serene 1.0 m/s (2 mph) as the dry season approaches. The consistent breezes of December provide a pleasant backdrop to the cool, crisp air, making this time of year particularly inviting for outdoor exploration and cultural festivities. Overall, the evolution of wind patterns during the months reflects a serene stability, enhancing Mae Sai's charm as the year draws to a close.
Weather in Mae Sai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mae Sai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a minimum temperature of 6°C (44°F) and an average of 20°C (68°F), reaching a maximum of 31°C (89°F). The month experiences about 35 mm (1.4 in) of precipitation over 4 days, with a humidity level of 62%. In contrast, January sees a slight increase in the minimum temperature to 8°C (47°F), while still maintaining an average of 20°C (68°F) and peaking at 32°C (90°F). Precipitation also rises to 44 mm (1.7 in) over 6 days, but humidity drops to 54%. For more detailed insights about the weather during January, you can visit Mae Sai weather in January.
In comparing December and February weather, December features a temperature range from a minimum of 6°C (44°F) to a maximum of 31°C (89°F), with an average of 20°C (68°F). This month experiences about 35 mm (1.4 in) of precipitation over four days, with humidity levels around 62%. In contrast, February sees slightly warmer temperatures, with a minimum of 10°C (50°F), an average of 21°C (71°F), and a peak of 35°C (95°F). It experiences significantly less precipitation at 18 mm (0.7 in) over just two days, and the humidity drops to 52%. For more detailed information, check Mae Sai weather in February.
December and March present distinctly different weather patterns. In December, temperatures range from a minimum of 6°C (44°F) to a pleasant average of 20°C (68°F), reaching a maximum of 31°C (89°F). The month experiences a moderate amount of precipitation at 35 mm (1.4 in) over approximately 4 days, accompanied by a humidity level of 62%. In contrast, March sees a significant increase in warmth, with temperatures starting at a minimum of 11°C (52°F) and averaging 25°C (77°F), peaking at a scorching 38°C (101°F). Precipitation drops to 17 mm (0.7 in) across just 3 days, and humidity decreases to 40%, making it a drier month. For more details, you can check Mae Sai weather in March.
In comparing the weather between December and April, a noticeable shift in temperature and precipitation patterns is evident. December features a milder temperature range, with a minimum of 6°C (44°F) and a maximum of 31°C (89°F), while April presents warmer conditions, with temperatures ranging from a minimum of 16°C (60°F) to a scorching maximum of 40°C (105°F). Moreover, April experiences significantly higher precipitation, totaling 125 mm (4.9 inches) over 11 days, compared to December's 35 mm (1.4 inches) over just 4 days. This indicates a shift to a wetter season in April, with much lower humidity at 36%, compared to December's higher humidity level of 62%. For more detailed information, you can refer to Mae Sai weather in April.
In December, the weather tends to be milder, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 31°C (89°F) and an average of 20°C (68°F). During this month, precipitation is relatively low at 35 mm (1.4 in), occurring over about 4 days, while humidity hovers around 62%. In contrast, May is significantly warmer, with temperatures starting at a minimum of 20°C (69°F) and peaking at a scorching 41°C (107°F), averaging 28°C (82°F). Rainfall is notably higher in May, with 167 mm (6.6 in) distributed over approximately 18 days, and humidity drops slightly to 56%. For more detailed insights into the weather trends, you can check Mae Sai weather in May.
When comparing the weather between December and June, the differences are quite striking. December enjoys milder temperatures, ranging from a minimum of 6°C (44°F) to a comfortable average of 20°C (68°F), and maxing out at 31°C (89°F). With relatively low precipitation of 35 mm (1.4 in) over just 4 days and humidity at 62%, it is generally a pleasant month.
In contrast, June experiences much warmer temperatures, with a minimum of 23°C (73°F) and an average of 28°C (82°F), peaking at a sweltering 38°C (101°F). This month also sees significantly more rainfall, totaling 348 mm (13.7 in) across 26 days, and higher humidity levels at 82%.
For more detailed information about the weather conditions in June, you can check Mae Sai weather in June.
The weather in December offers a warm climate with temperatures ranging from a mild 6°C (44°F) at night to a comfortable average of 20°C (68°F) and a maximum of 31°C (89°F), accompanied by relatively low humidity at 62%. Precipitation is moderate, with only 35 mm (1.4 in) falling over about four days. In contrast, July experiences much warmer temperatures, with a minimum of 23°C (73°F), an average of 27°C (81°F), and peaks at a sizzling 38°C (100°F). The month is characterized by significantly higher rainfall, totaling 372 mm (14.7 in) over 28 days, and a high humidity level of 90%. For more detailed information, check out Mae Sai weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures range from a mild 6°C (44°F) at night to a comfortable average of 20°C (68°F) during the day, peaking at a warm 31°C (89°F). With only 35 mm (1.4 in) of precipitation over about 4 days, the month is relatively dry, and humidity sits at a manageable 62%. In sharp contrast, August experiences much warmer temperatures, with nighttime lows of 23°C (73°F) and daytime averages around 27°C (81°F), reaching highs of 36°C (98°F). The month is also marked by significant rainfall, accumulating 430 mm (16.9 in) over 27 days, resulting in high humidity levels of 92%. For more details, you can check Mae Sai weather in August.
When comparing the weather in December and September, striking differences emerge. December typically features more moderate temperatures, with a minimum of 6°C (44°F) and a maximum of 31°C (89°F), averaging around 20°C (68°F). In contrast, September is much warmer, with minimum temperatures of 20°C (68°F) and maximums reaching 37°C (98°F), averaging 27°C (81°F). Additionally, December experiences notably lower precipitation at 35 mm (1.4 in) over just four days, while September is significantly wetter, facing 272 mm (10.7 in) of rainfall on 23 days. The humidity levels also highlight the difference, with December at 62% compared to September's 85%. For more detailed information on September weather, you can visit Mae Sai weather in September.
When comparing the weather in December and October, we see notable differences in temperature and precipitation. December typically has milder temperatures, with a minimum of 6°C (44°F) and an average of 20°C (68°F), while October experiences much warmer weather, with a minimum of 18°C (65°F) and an average of 26°C (78°F). Additionally, December experiences significantly less precipitation, averaging only 35 mm (1.4 in) over 4 days, compared to October's 158 mm (6.2 in) over 20 days. This makes October much wetter and more humid, with humidity levels around 70% compared to 62% in December. For a deeper insight into the October weather specifics, you can check Mae Sai weather in October.
In comparing the weather between December and November, December tends to be slightly cooler with a minimum temperature of 6°C (44°F) and an average temperature of 20°C (68°F), whereas November sees higher minimums, starting at 14°C (57°F) and averaging 23°C (74°F). Additionally, December has a maximum temperature of 31°C (89°F), which is lower than November's maximum of 34°C (93°F). Precipitation in December is less frequent, occurring on only 4 days with a total of 35 mm (1.4 in), in contrast to November, which experiences rain on 9 days and accumulates 49 mm (1.9 in). Humidity levels are also slightly lower in December at 62% compared to 67% in November, contributing to a more comfortable feel during the cooler month. For more detailed insights on November weather, check Mae Sai weather in November.
In December, Mae Sai unveils a charming blend of cool temperatures and moderate humidity, offering a refreshing contrast to the hotter months. With maximum temperatures reaching a pleasant 31°C, the overall climate becomes more inviting, particularly for travelers seeking to explore the natural beauty of the region. While occasional rainfall still graces the area, with precipitation on about four days, the drier spells allow for enjoyable outdoor activities. The crisp evenings, often dipping to a minimum of 6°C, provide the perfect opportunity for cozy nights. Embrace this unique month by discovering all that Mae Sai has to offer in its temperate and inviting December climate. For more detailed information on the weather throughout the year, visit Mae Sai Climate.