December Weather in Umphang, Thailand

Last updated: August 27, 2025

In December, Umphang, Thailand, offers a pleasant climate characterized by a maximum temperature reaching 32°C (89°F) and an average temperature of 21°C (70°F). The month experiences a slight chill with minimum temperatures dropping to 9°C (48°F), providing a refreshing contrast. Humidity levels hover around 60%, contributing to the overall comfort of the weather. With only 2 days of precipitation, totaling 16 mm (0.6 in), December presents a great opportunity for outdoor activities, making it an ideal time to explore the natural beauty of this charming town.

December Temperature in Umphang

In December, Umphang, Thailand experiences a refreshing dip in temperatures, marking the onset of cooler weather. With minimum temperatures dropping to about 9°C (48°F), the climate offers a delightful chill compared to the preceding months. The average temperature hovers around 21°C (70°F), providing a pleasant ambiance for outdoor activities, while daytime highs can still reach a warm 32°C (89°F). This month stands out as a transitional period, with temperatures gradually decreasing as the region moves from the hot season into the cooler dry season. As a result, December in Umphang is characterized by crisp mornings and balmy afternoons, making it an ideal time for visitors and locals alike to explore the stunning natural landscapes.

December Weather in Umphang: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Umphang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umphang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec717377787775747475757470
Data source: Temperature data for Umphang 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 Umphang

In Umphang, Thailand, December marks a transition as the year draws to a close, bringing a modest precipitation total of 16 mm (0.6 in) over just 2 days of rainfall. This is a stark contrast to the preceding months, particularly the heavy downpours from July to September, when the region experienced its peak rainfall, often exceeding 300 mm within a month. As the rain subsides, December’s precipitation is not only lower than the tropical monsoon months, but it also returns to the more moderate levels seen earlier in the year, like January and February. This pattern highlights Umphang's shift from a wet season filled with frequent storms to a drier phase, setting the stage for a cooler, more tranquil atmosphere as the dry season begins.

December Precipitation Trends in Umphang

The chart displays monthly precipitation patterns in Umphang, 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 Umphang, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15717901823374795353642312416
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Umphang

In Umphang, Thailand, December marks a notable transition in humidity levels, dropping to 60% compared to the peak of 89% seen in the summer months of July and August. This decrease indicates the onset of a drier season as the year winds down. Interestingly, while the humidity begins to fall from the late-spring highs—starting at 77% in May—the trend still showcases a gradual decrease from the oppressive summer months through the autumn. By December, the conditions are relatively comfortable, providing a brief respite before humidity rises again in the following spring. Overall, December offers a refreshing change in Umphang’s climate, ideal for outdoor exploration.

December Average Humidity in Umphang

This chart illustrates the average monthly humidity levels in Umphang, 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 Umphang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%54%56%65%77%87%89%89%86%79%69%60%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Umphang

In December, Umphang, Thailand experiences a UV Index of 9, classified as a very high exposure category, which suggests that while the risk of harm from unprotected sun exposure is significant, it's slightly less extreme compared to the peak months preceding it. Over the year, the UV Index has consistently reached extreme levels from February through October, with peaks of 14 to 15 during the scorching heights of mid-year, where the burn time shrinks to just 10 minutes. As the year draws to a close, with the Index dipping slightly, the burn time increases to 15 minutes, providing a small respite for sun seekers. For those planning outdoor activities, understanding these trends is crucial to ensure safe sun exposure. To explore more about the UV Index throughout the year, visit Umphang UV Index.

Maximum UV Index Levels in Umphang for December

The chart shows the monthly maximum UV Index (UVI) for Umphang 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 Umphang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414151415151413109
Data source: Umphang 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 Umphang

December ushers in a vibrant climax of sunshine in Umphang, Thailand, with 317 hours of bright daylight, marking a significant upswing as the year draws to a close. As temperatures cool and the landscape flourishes, the sunlight hits a peak compared to the preceding months, particularly outshining the dim grayness of the monsoon season. This delightful abundance of daylight not only sets the stage for outdoor adventures but also highlights the gradual trend of increasing sunlight from the previous months, with November already offering 306 hours. As lovers of nature and sunshine seek to bask in these luminous December days, Umphang radiates an irresistible charm, creating the perfect backdrop for a memorable holiday escape.

Monthly Sunshine Duration in Umphang: December Highlighted

The December sunshine duration represents the total number of hours Umphang 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.
JanFebMarAprMayJunJulAugSepOctNovDec251h300h331h312h291h220h195h170h234h272h306h317h
Data source: Umphang December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Umphang During December

In Umphang, Thailand, December offers a reassuring 80% chance of sunny weather, making it one of the brightest months of the year. Unlike the subsequent months which plunge into the rainy season — with the chances of sunshine plummeting to a mere 5% from July to August — December stands out as a welcomed transition. While November sees a moderate 47% chance of sunshine, December's robust likelihood provides a perfect opportunity for outdoor adventures and sightseeing. As spring approaches in early months like January and February, with chances soaring to 77% and 84% respectively, it's clear that December serves as a delightful prelude to the sunnier days ahead.

Percentage of Sunny Days in December in Umphang

The chart illustrates the percentage of sunny days in Umphang 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 Umphang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec77%84%63%16%31%7%5%5%6%18%47%80%
Data source: Umphang December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Umphang in December

In Umphang, Thailand, daylight duration exhibits a fascinating seasonal pattern. The year begins with a steady 11 hours of daylight in January and February, providing a consistent rhythm as the days gradually lengthen. By March, the daylight extends to 12 hours, a trend that continues through to May, creating longer days perfect for outdoor exploration. As summer approaches in June, the days reach their peak at 13 hours, offering the sunniest moments of the year. However, this abundance of light is short-lived; from July onwards, daylight durations revert to 12 hours before tapering down again. By October and November, the cycle rounds back to 11 hours, creating a harmonious balance throughout the year. December, with its return to 11 hours of daylight, invites reflection as the year winds down, seamlessly connecting with its beginning.

Average Daylight Hours in Umphang for December

The chart illustrates the variation in daylight duration in Umphang throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 16m11h 36m12h 2m12h 29m12h 51m13h 3m12h 57m12h 37m12h 12m11h 45m11h 22m11h 10m
Data source: Umphang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Umphang

As December arrives in Umphang, Thailand, the wind finally picks up, averaging 2.0 m/s (4 mph)—a noticeable increase from the calmer months earlier in the year. Historically, the winds have been gentle, with speeds ranging from 1.0 m/s (2 mph) in April to 1.7 m/s (4 mph) in November. The shift towards a brisker breeze in December suggests a transition into the cooler dry season, invigorating the landscape with fresh air. This subtle increase signals not only a change in weather but also sets the stage for outdoor adventures, as the wind dances through this serene region.

Average December Wind Speed in Umphang

The chart displays monthly wind speed patterns in Umphang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.41.21.01.11.61.61.31.11.11.72.0 m/s
Data source: Umphang December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Umphang Compares to Other Months

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

In December, Umphang experiences warm temperatures with a minimum of 9°C (48°F) and an average of 21°C (70°F), peaking at 32°C (89°F). The month sees light precipitation totaling 16 mm (0.6 in) over just 2 days and maintains a humidity level of 60%. In contrast, January is slightly warmer at the lower end, with a minimum temperature of 10°C (50°F) and an average of 22°C (71°F), though the maximum remains similar at 31°C (89°F). The precipitation decreases slightly to 14 mm (0.6 in) over 2 days, accompanied by lower humidity at 53%. For more details, you can check Umphang weather in January.

In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), with an average of 21°C (70°F). The month sees about 16 mm (0.6 in) of precipitation over two days and humidity levels at 60%. In contrast, February offers warmer temperatures, with a minimum of 12°C (53°F) and a maximum reaching 34°C (93°F), averaging at 23°C (73°F). It experiences less rainfall, only 7 mm (0.3 in) over just one day, and slightly lower humidity at 54%. For more detailed information on February weather, check out Umphang weather in February.

December and March exhibit notable differences in weather conditions. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), with an average of 21°C (70°F). The month experiences relatively low precipitation, totaling 16 mm (0.6 in) over just 2 days, and humidity levels hover around 60%. In contrast, March brings warmer temperatures, with a minimum of 15°C (59°F) and a maximum reaching 37°C (99°F), averaging 25°C (77°F). Precipitation increases slightly to 17 mm (0.7 in) over 4 days, while humidity decreases to 56%. For more detailed insights on the weather in March, you can visit Umphang weather in March.

In December, the weather features milder temperatures, with a minimum of 9°C (48°F) and an average of 21°C (70°F), peaking at 32°C (89°F). This month sees relatively low precipitation, totaling just 16 mm (0.6 in) over two days, and a humidity level of 60%. In contrast, April brings a noticeable increase in warmth and humidity, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 37°C (98°F), and an average of 25°C (78°F). However, April is also significantly wetter, with precipitation reaching 90 mm (3.5 in) spread across 13 days. The humidity rises slightly to 65%. For a closer look at April's weather specifics, you can check Umphang weather in April.

December and May present contrasting weather conditions. In December, temperatures range from a comfortable minimum of 9°C (48°F) to a maximum of 32°C (89°F), with an average of 21°C (70°F). The month sees relatively low precipitation, with only 16 mm (0.6 in) falling over just 2 days, resulting in lower humidity levels around 60%. In contrast, May experiences much warmer temperatures, with a minimum of 19°C (67°F) and a scorching maximum of 36°C (97°F), and an average of 25°C (77°F). However, May is characterized by significant rainfall, totaling 182 mm (7.2 in) across 27 days, leading to higher humidity levels at 77%. For more detailed insights into weather patterns, you can check Umphang weather in May.

When comparing December and June weather in Umphang, notable differences emerge. December boasts a milder climate with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), accompanied by lower humidity at 60% and minimal precipitation of just 16 mm (0.6 in) over 2 days. In contrast, June experiences much warmer temperatures, with a minimum of 20°C (67°F) and an average of 24°C (75°F), but this warmth comes with significantly higher humidity levels at 86% and substantial rainfall totaling 337 mm (13.3 in) spread across 29 days. For a more detailed look at June weather in Umphang, you can visit Umphang weather in June.

December and July exhibit markedly different weather patterns. In December, temperatures range from a mild 9°C (48°F) at night to a warm 32°C (89°F) during the day, with only 16 mm (0.6 in) of precipitation over just two days, resulting in a relatively comfortable humidity level of 60%. In contrast, July experiences a significant increase in moisture, with a much higher minimum temperature of 20°C (68°F) and an average of 23°C (74°F). This month sees a staggering 479 mm (18.8 in) of rain over 30 days, leading to high humidity levels of 89%. For more details on how weather conditions differ in July, check out Umphang weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), with an average of 21°C (70°F). The month experiences minimal precipitation, totaling only 16 mm (0.6 in) over just two days, resulting in a relatively pleasant humidity level of 60%. In contrast, August is much warmer, with lows around 20°C (68°F) and highs reaching up to 30°C (87°F), averaging 23°C (74°F). However, it brings heavy rainfall, accumulating 535 mm (21.1 in) over the entire month, with precipitation occurring on about 30 days and humidity levels peaking at 89%. For more specific details about weather conditions during this month, check out Umphang weather in August.

December and September present quite different weather patterns. In December, temperatures range from a comfortable minimum of 9°C (48°F) to a pleasant maximum of 32°C (89°F), with an average temperature of 21°C (70°F). The month sees relatively low precipitation, with only 16 mm (0.6 in) falling over just 2 days, resulting in a humidity level around 60%. In contrast, September experiences much milder temperatures, with a minimum of 20°C (68°F) and an average of 24°C (75°F), peaking at 32°C (90°F). However, it is significantly wetter, receiving an impressive 363 mm (14.3 in) of rain over 27 days and a high humidity of 86%. For more specific details about September weather, you can check Umphang weather in September.

In comparing the weather between December and October, we can see notable differences. December boasts a milder temperature range, with a minimum of 9°C (48°F) and an average of 21°C (70°F), whereas October has a consistently higher temperature with a minimum of 19°C (66°F) and an average of 24°C (75°F). While both months can reach a maximum of 32°C (89°F), October experiences significantly more rainfall, accumulating 231 mm (9.1 in) across about 21 days, compared to December's modest 16 mm (0.6 in) and only 2 rainy days. Furthermore, October's humidity is notably higher at 78%, compared to December's 60%. For more details on the October weather, you can visit Umphang weather in October.

In comparing the weather conditions of December and November, December experiences slightly cooler temperatures, with minimums of 9°C (48°F) compared to November's warmer minimum of 15°C (59°F). Both months share a maximum temperature of 32°C (89°F), but November typically has a higher average temperature of 23°C (74°F) compared to December's average of 21°C (70°F). Precipitation is notably less in December, with only 16 mm (0.6 in) over 2 days, whereas November sees 24 mm (1.0 in) over 4 days. Additionally, humidity levels are higher in November at 69%, while December has a lower humidity of 60%. For more details on November weather, you can check Umphang weather in November.

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Conclusion: What to Expect From December Weather in Umphang

As December rolls in, Umphang experiences a delightful shift in weather that sets it apart from the rest of the year. With pleasantly mild temperatures averaging about 21°C (70°F), the cooler nights down to 9°C (48°F) offer a refreshing respite. Unlike the rain-soaked monsoon months, December sees significantly lower precipitation, with just a couple of rainy days bringing only 16 mm (0.6 in) of rainfall. The 60% humidity adds a touch of moisture to the air, but overall, the climate is much more comfortable and inviting. For those interested in a deeper dive into the area's weather patterns throughout the year, check out Umphang Climate.