December Weather in Asuka, Japan

Last updated: August 21, 2025

In Asuka, Japan, December brings a brisk yet invigorating climate, with temperatures ranging from a maximum of 22°C (72°F) to a chilly minimum of -3°C (26°F), averaging around 6°C (44°F). Visitors can expect a cozy atmosphere, complemented by humidity levels at 83%, creating a distinctly crisp air. The month sees approximately 70 mm (2.8 in) of precipitation over 8 days, providing a refreshing touch to the landscape. Whether you’re exploring ancient sites or enjoying local festivities, December in Asuka offers a unique blend of cultural richness and seasonal charm.

December Temperature in Asuka

In December, Asuka experiences a notable transition from the mild autumn chill to the onset of winter. With temperatures ranging from a minimum of -3°C (26°F) to a maximum of 22°C (72°F), the month showcases a mix of frosty mornings and surprisingly mild afternoons. The average temperature settles around 6°C (44°F), suggesting that while the bitter cold begins to creep in, there are still moments of warmth that hint at the approach of the new year. As the days grow shorter and the landscape takes on its winter attire, the contrast between the lingering autumn warmth and the encroaching winter makes December an intriguing month in this historic region.

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

The chart illustrates December temperature patterns in Asuka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Asuka, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394148576672798275645343
Data source: Temperature data for Asuka 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 Asuka

In Asuka, Japan, December marks a transitional period in precipitation patterns as the year draws to a close. With an average of 70 mm (2.8 in) of rainfall over about 8 days, the month comes in slightly below November's totals, yet remains consistent with mid-autumn levels. This steady precipitation is emblematic of the region's shift from the heavier downpours experienced in the summer months, particularly July, which frequently sees rainfall exceeding 290 mm (11.4 in). As the festive season approaches, the lighter but more frequent rains of December contribute to the landscape's lush beauty, contrasting sharply with the drier January that follows. This rhythm of precipitation showcases the moderate climate of Asuka, where wet and dry seasons harmoniously intermingle.

December Precipitation Trends in Asuka

The chart displays monthly precipitation patterns in Asuka, 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 Asuka, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec60731291311571922901741812685170
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Asuka

Asuka, Japan experiences a notable trend in humidity throughout the year, culminating in December with a relative humidity of 83%. This figure reflects the region's cooler winter months, where humidity remains consistent with November’s levels, providing a comfortable yet slightly damp atmosphere. The humidity peaks during the summer months of July and August, rising to a sweltering 93% and 91%, respectively, before gradually tapering off in the fall. Overall, December marks a return to milder humidity levels, creating a serene and refreshing environment as the year winds down.

December Average Humidity in Asuka

This chart illustrates the average monthly humidity levels in Asuka, 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 Asuka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Asuka

In December, Asuka, Japan experiences a moderate UV Index of 4, indicating a better time for outdoor activities without the immediate worry of sunburn, which occurs after about 30 minutes of unprotected exposure. This month marks a notable dip from the extreme conditions seen during the summer months, where indices soared to 12 and burn times plummeted to just 10 minutes. As the year winds down, the UV Index reflects a gradual reduction in intensity, dropping from the very high levels of early autumn, making this a favorable period for enjoying the outdoors with relative safety. For more details, check the full report on Asuka UV Index.

Maximum UV Index Levels in Asuka for December

The chart shows the monthly maximum UV Index (UVI) for Asuka 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 Asuka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210764
Data source: Asuka 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 Asuka

In Asuka, Japan, the month of December offers a charming glimpse of winter sunshine, with an average of 226 hours of daylight. While this figure reflects a gentle dip compared to the vibrant summer highs of 312 hours in August, it still outshines the frigid January days that start the year at 189 hours. As the months transition from winter to spring, sunlight gradually increases, culminating in a peak of 293 hours in May. Notably, the consistent warmth of late spring and summer creates a striking contrast to the crisper December days, illustrating the region's dynamic seasonal shift. Thus, December’s sunny hours, though fewer, mark a tranquil yet hopeful lead-in to the brighter months ahead.

Monthly Sunshine Duration in Asuka: December Highlighted

The December sunshine duration represents the total number of hours Asuka 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h234h267h282h293h270h264h312h247h240h240h226h
Data source: Asuka December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Asuka During December

As December rolls in, Asuka, Japan, enjoys a notable uptick in sunny days, with a 58% chance of sun gracing the sky. This marks an interesting trend, as the likelihood of sunny weather steadily increases from previous months, peaking at this time of year. After a relatively gloomy summer, where the sun only made brief appearances with probabilities as low as 23% in June, the returning brightness of December offers residents and visitors a refreshing change. With chances of clear skies surpassing both October and November, December stands out as a month where enjoying the outdoors becomes increasingly feasible, inviting one to relish the crisp winter sun in this historic locale.

Percentage of Sunny Days in December in Asuka

The chart illustrates the percentage of sunny days in Asuka 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 Asuka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%53%42%46%29%23%33%28%28%52%53%58%
Data source: Asuka December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Asuka in December

In Asuka, Japan, the shift in daylight duration throughout the year offers a fascinating glimpse into the changing seasons. Starting from 10 hours in the winter months of January and February, the days gradually lengthen, reaching a peak of 14 hours around June and July. As summer gives way to autumn, daylight hours begin to wane, dropping to 12 hours in September and declining further to 10 hours in November. By the time December arrives, daylight lasts for just 9 hours, signaling the onset of winter's embrace. This rhythmic cycle not only highlights the beauty of seasonal change but also influences the daily life and activities of those who call Asuka home.

Average Daylight Hours in Asuka for December

The chart illustrates the variation in daylight duration in Asuka throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 6m10h 55m11h 58m13h 3m13h 57m14h 25m14h 11m13h 23m12h 21m11h 17m10h 20m9h 52m
Data source: Asuka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Asuka

In Asuka, Japan, the December wind begins to pick up its pace, averaging 2.7 m/s (6 mph), creating a refreshing contrast to the stillness of the summer months. Throughout the year, wind speeds gradually fluctuate, peaking in the cooler months. January starts off with a similar strength at 2.8 m/s, followed by a slight rise in February. However, as spring approaches in March and April, the winds soften to around 2.4–2.5 m/s. This pattern of gentle breezes continues into the warmth of summer, where the speeds dip to their lowest in June at only 1.6 m/s. As autumn sweeps in, a gradual resurgence is noted, with November culminating in a return to moderate conditions. December winds, while slightly less vigorous than the start of the year, maintain a brisk charm that heralds the coming of winter, making this month a lovely time to experience the gentle whispers of nature in this historic region.

Average December Wind Speed in Asuka

The chart displays monthly wind speed patterns in Asuka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.92.42.52.51.61.82.21.81.92.32.7 m/s
Data source: Asuka December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Asuka Compares to Other Months

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

December typically experiences milder temperatures compared to January, with average highs reaching up to 22°C (72°F) while January's peak is only 16°C (61°F). While both months have relatively high humidity, December's average humidity is slightly higher at 83% compared to January's 82%. Precipitation is also slightly more abundant in December, with 70 mm (2.8 in) falling over 8 days, compared to January's 60 mm (2.4 in) over 9 days. For a detailed look at January's weather specifics, check out Asuka weather in January.

December and February exhibit similar weather patterns, though there are some noteworthy differences. In December, temperatures range from a minimum of -3°C (26°F) to a maximum of 22°C (72°F), with an average of 6°C (44°F). The month receives about 70 mm (2.8 in) of precipitation over 8 days, coupled with relatively high humidity at 83%. Conversely, February tends to be slightly cooler, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 19°C (67°F) and an average of 5°C (41°F). Precipitation is marginally higher at 73 mm (2.9 in), also spread over 8 days, but with slightly lower humidity at 79%. For a detailed look at February weather specifics, you can check Asuka weather in February.

In December, temperatures range from a chilling minimum of -3°C (26°F) to a comfortable average of 6°C (44°F), with highs reaching up to 22°C (72°F). The month sees about 70 mm (2.8 in) of precipitation over 8 days, contributing to a relatively high humidity level of 83%. In contrast, March experiences slightly milder temperatures, with minimums at -2°C (29°F) and an average of 9°C (49°F), while the max temperature is similar at 21°C (71°F). However, it brings increased rainfall, with 128 mm (5.1 in) of precipitation falling over 12 days, and humidity decreasing to 74%. For more insights on March weather specifically, check out Asuka weather in March.

December weather is characterized by a chill, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 22°C (72°F) and an average temperature of 6°C (44°F). The month experiences about 70 mm (2.8 in) of precipitation over approximately 8 days, accompanied by a high humidity of 83%. In contrast, April sees a significant warming trend, with temperatures starting from 0°C (32°F), averaging 14°C (57°F), and peaking at 26°C (79°F). This month is wetter, with 131 mm (5.1 in) of precipitation over about 10 days, while the humidity drops slightly to 76%. For more detailed information on weather patterns, check out Asuka weather in April.

December and May present notably different weather patterns. In December, temperatures range from a chilly minimum of -3°C (26°F) to a comfortable maximum of 22°C (72°F), with an average of 6°C (44°F). The month sees about 70 mm (2.8 in) of precipitation over 8 days, accompanied by high humidity at 83%. In contrast, May brings a more temperate climate, with temperatures ranging from a minimum of 4°C (40°F) to a warm maximum of 31°C (88°F) and an average of 19°C (66°F). However, it experiences higher precipitation levels, totaling 157 mm (6.2 in) over 10 days, while maintaining the same humidity of 83%. For more details, you can check this link: Asuka weather in May.

In December, the weather is notably cooler, with temperatures ranging from a chilly minimum of -3°C (26°F) to a comfortable average of 6°C (44°F) and a maximum reaching 22°C (72°F). The month sees approximately 70 mm (2.8 in) of precipitation, occurring over about 8 days, and maintains a high humidity level of 83%. In contrast, June experiences much warmer conditions, with temperatures starting at a minimum of 11°C (53°F), averaging 22°C (72°F), and peaking at 31°C (89°F). This month is also wetter, with 192 mm (7.6 in) of rainfall spread over 15 days and slightly higher humidity at 87%. For more detailed climate information, you can check out Asuka weather in June.

December and July present strikingly different weather patterns. In December, temperatures are relatively cool, ranging from a minimum of -3°C (26°F) to an average of 6°C (44°F) and peaking at 22°C (72°F). There is also some precipitation, with a total of 70 mm (2.8 in) over about 8 days, and humidity levels sit at a comfortable 83%. In contrast, July is significantly warmer, with temperatures starting at a minimum of 19°C (66°F), averaging 26°C (80°F), and soaring up to a maximum of 35°C (96°F). The month is also much wetter, boasting 290 mm (11.4 in) of rain across approximately 21 days, along with higher humidity levels of 93%. For more detailed information about July weather, visit Asuka weather in July.

December and August offer vastly different weather experiences. In December, temperatures can dip as low as -3°C (26°F) and average around 6°C (44°F), with a maximum reaching 22°C (72°F). This month sees about 70 mm (2.8 in) of precipitation over 8 days, accompanied by high humidity at 83%. In contrast, August is significantly warmer, with minimum temperatures starting at 17°C (64°F) and averaging 28°C (83°F), peaking at 36°C (98°F). August receives more rainfall, totaling 174 mm (6.8 in) across 15 days, while humidity levels are slightly higher at 91%. For more detailed information about August weather, you can check Asuka weather in August.

In December, the temperatures in Asuka range significantly from a chilly minimum of -3°C (26°F) to a comfortable maximum of 22°C (72°F), with an average of 6°C (44°F). The month sees about 70 mm (2.8 in) of precipitation over approximately 8 days, accompanied by relatively high humidity at 83%. In contrast, September boasts much warmer conditions, with temperatures fluctuating between a minimum of 12°C (53°F) and a maximum of 36°C (97°F), averaging around 24°C (75°F). Precipitation is higher during this month, totaling 181 mm (7.1 in) over 16 days, and humidity levels are slightly more intense at 87%. For more detailed insights into September weather, check out Asuka weather in September.

In December, temperatures range from a minimum of -3°C (26°F) to a maximum of 22°C (72°F), with an average temperature of 6°C (44°F). In contrast, October enjoys milder conditions, with temperatures varying from a minimum of 6°C (43°F) to a maximum of 30°C (87°F), averaging 18°C (64°F). While December sees relatively lower precipitation levels at 70 mm (2.8 in) over 8 days, October experiences a significantly wetter climate, receiving 268 mm (10.6 in) across 13 days. The humidity levels are slightly higher in December at 83%, compared to October’s 85%, creating a crisp yet damp atmosphere as the year ends. For more details, you can check Asuka weather in October.

In comparing the weather of December and November, it is apparent that December tends to be slightly colder overall. While November has a minimum temperature of -1°C (30°F) and an average of 12°C (53°F), December sees a lower minimum of -3°C (26°F) and an average of 6°C (44°F). Both months experience relatively high humidity at 83%, but December records a slight increase in precipitation, totaling 70 mm (2.8 in) over 8 days compared to November's 51 mm (2.0 in) over 7 days. Despite the cooler temperatures, December's maximum can still reach up to 22°C (72°F), while November peaks at a slightly higher 25°C (76°F). For a deeper look at November's weather specifics, you can refer to Asuka weather in November.

Compare Asuka's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Asuka

As December unfolds in Asuka, the weather transforms into a striking contrast from the warmer months. The crisp air brings lower temperatures, with maximums peaking at a mild 22°C and dipping to a chilly average of 6°C at times, alongside a chance of frost. This month also sees an increase in humidity at 83%, paired with around 70 mm of precipitation over eight days, making the landscape refreshingly vibrant but decidedly wetter. As you explore, you'll find December a unique time to experience Asuka's charm, offering a serene backdrop that invites cozy moments and reflective strolls. For a deeper dive into the seasonal shifts, check out the detailed insights on Asuka Climate.