December Weather in Uji, Japan

Last updated: August 21, 2025

December in Uji, Japan, offers a fascinating blend of winter weather and seasonal charm. With maximum temperatures reaching up to 21°C (71°F) and dipping as low as -9°C (17°F), the month showcases a dramatic temperature range. The average temperature hovers around a brisk 6°C (43°F), inviting residents and visitors alike to bundle up and enjoy the festive atmosphere. While the city experiences about 66 mm (2.6 in) of precipitation over 9 days, the relatively high humidity at 83% adds a crispness to the air, enhancing the cozy feel of this beautiful month. Whether strolling through historic sites or savoring warm tea, December in Uji presents a unique winter experience.

December Temperature in Uji

In December, Uji, Japan, experiences a noticeable drop in temperatures as winter firmly establishes itself. With minimums dipping to -9°C (17°F), the chill sets the stage for a cozy ambiance, while average highs reach a mild 21°C (71°F), providing a gentle contrast that allows for outdoor enjoyment. This month, marked by an average temperature of 6°C (43°F), reflects a significant shift from the more moderate conditions of November, where the lows hovered around -1°C (31°F). As the year draws to a close, December not only signals the onset of winter's cold embrace but also invites residents and visitors alike to embrace the beauty of the season through traditional festivities and warm gatherings.

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

The chart illustrates December temperature patterns in Uji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uji, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394048566572798274645343
Data source: Temperature data for Uji 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 Uji

In December, Uji, Japan experiences a modest increase in precipitation, with 66 mm (2.6 inches) of rain typically falling over 9 days. This amount is a slight rise from November's 47 mm, suggesting a transition into the wetter winter season. Notably, December's precipitation contributes to a gradual escalation in rainfall that begins in the late autumn months, contrasting sharply with the heavier downpours seen during the summer, where July alone accumulates an impressive 324 mm. As the year draws to a close, residents can expect the damp chill of December, marking a shift in both weather patterns and ambiance in this serene locale.

December Precipitation Trends in Uji

The chart displays monthly precipitation patterns in Uji, 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 Uji, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec56621251581551613242281722464766
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Uji

In Uji, Japan, December sees humidity levels resting at a comfortable 83%, maintaining a trend of elevated moisture typical for this time of year. Following the wet summer months of July (93%) and August (91%), where humidity peaks, there is a gradual decline as the year progresses. After experiencing a slight dip in November, which recorded an 83% humidity level, December's figures indicate a stabilization. From January to March, humidity levels tend to decrease, making the early winter months feel crisper. This cyclical pattern emphasizes Uji's climate, where year-end moisture remains relatively high, contributing to the region's lush landscapes and serene atmosphere during the winter season.

December Average Humidity in Uji

This chart illustrates the average monthly humidity levels in Uji, 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 Uji 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 Uji

In December, Uji, Japan experiences a UV Index of 3, placing it in the moderate exposure category, which allows for a burn time of approximately 30 minutes under direct sunlight. This marks a noticeable decline from the extreme levels seen in the summer months, with values reaching 11 from May through August, where sun protection was essential within just 10 minutes. As the year winds down, the UV Index gradually decreases, reflecting a trend towards milder sun exposure during the colder months. It's a reminder for residents and visitors to enjoy the winter sun with a sense of caution, while still appreciating its gentle warmth. For more details on the UV Index throughout the year, visit Uji UV Index.

Maximum UV Index Levels in Uji for December

The chart shows the monthly maximum UV Index (UVI) for Uji 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 Uji typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Uji 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 Uji

In Uji, Japan, December marks a transition as the sunlight begins to wane, with the city receiving 209 hours of sunshine. This decline follows a vibrant summer, where August peaked at an impressive 295 hours. As the year closes, daylight diminishes steadily from the summer high, yet remains relatively bright compared to the early months of the year. Notably, sunshine hours in December are higher than those in January and November, hinting at a gradual increase in daylight leading into the new year. This trend reveals how Uji's sun-drenched summers gradually give way to the softer, mellower light of winter, creating a unique charm as the landscape prepares for the colder months.

Monthly Sunshine Duration in Uji: December Highlighted

The December sunshine duration represents the total number of hours Uji 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h211h255h272h285h265h254h295h236h231h229h209h
Data source: Uji December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Uji During December

In Uji, Japan, the likelihood of sunny weather in December remains relatively favorable, with a 52% chance of sunshine. As the year progresses, a notable trend emerges: following October and November, both of which boast higher probabilities of sun at 51% and 54% respectively, December maintains this positive pattern. This slight dip in sunny days compared to the preceding months hints at the gradual transition into winter, yet still suggests that residents and visitors can expect a good amount of pleasant weather to enjoy. Overall, December stands out as a month where the sun is likely to make a cheerful appearance, contributing to the enchanting winter scenery of Uji.

Percentage of Sunny Days in December in Uji

The chart illustrates the percentage of sunny days in Uji 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 Uji experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%47%37%42%26%22%29%24%27%51%54%52%
Data source: Uji December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Uji in December

As the year draws to a close, December in Uji, Japan, brings about the shortest daylight duration, with only 9 hours of light. This decline is part of a notable trend where daylight steadily decreases from the longest days of summer, peaking at 14 hours in June and July, before gradually tapering off. The transition into the colder months is marked by a drop in daylight to 10 hours in November and 9 hours in December, which contrasts sharply with the 11 to 13 hours experienced in the spring months of March through May. Despite the diminished light during this winter month, the cycle of longer days is just around the corner, offering a sense of anticipation for what lies ahead.

Average Daylight Hours in Uji for December

The chart illustrates the variation in daylight duration in Uji throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 58m13h 4m13h 59m14h 27m14h 13m13h 25m12h 22m11h 16m10h 19m9h 49m
Data source: Uji daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Uji

In Uji, Japan, the winds of December offer a refreshing breath of cool air as the year draws to a close, with an average speed of 2.7 m/s (6 mph). This gentle breeze is a slight increase from November's steady 2.4 m/s, reflecting a trend of fluctuating wind speeds throughout the year. Notably, the spring months see a peak around March, where the average reaches 3.0 m/s, before gradually descending through the warm summer and humid early fall. December, with its crisp air, continues the trend of breezy winter days, contributing to the serene atmosphere perfect for enjoying the scenic beauty of Uji.

Average December Wind Speed in Uji

The chart displays monthly wind speed patterns in Uji, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.13.02.92.61.92.02.32.22.42.42.7 m/s
Data source: Uji December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Uji Compares to Other Months

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

When comparing the weather from December to January, December tends to be slightly warmer, with an average temperature of 6°C (43°F), compared to January's average of 4°C (39°F). Both months experience a mix of cool to cold temperatures, with December's minimum dipping to -9°C (17°F) and January's minimum at -7°C (19°F). Precipitation levels are relatively close, with December receiving 66 mm (2.6 in) and January seeing a bit less at 56 mm (2.2 in), both spread over approximately nine days. Humidity remains comparable, with December at 83% and January at 82%. For more detailed information about January’s weather, you can check this link: Uji weather in January.

December and February both feature chilly climates, with December generally being slightly warmer during the day. December's average temperature rests around 6°C (43°F) with maximums reaching 21°C (71°F), while February has a lower average of 4°C (40°F) and peaks at 19°C (67°F). The precipitation levels are similar, with December recording 66 mm (2.6 in) and February at 62 mm (2.5 in), both occurring over approximately nine days. However, December tends to be more humid at 83%, compared to February's 79%. For a closer look at February's weather specifics, visit Uji weather in February.

When comparing the weather in December and March, it's clear that March brings a noticeable increase in temperatures and a slight decrease in humidity. In December, temperatures can dip as low as -9°C (17°F), with an average of 6°C (43°F) and a maximum of 21°C (71°F). In contrast, March sees a milder minimum temperature of -3°C (27°F) and an average of 9°C (48°F), peaking at a comfortable 23°C (73°F). However, March also brings more precipitation, totaling 125 mm (4.9 in) over 12 days, compared to December's 66 mm (2.6 in) across 9 days. For more detailed insights, check out Uji weather in March.

December and April present contrasting weather patterns that reflect the transition from winter to spring. In December, temperatures range from a chilly minimum of -9°C (17°F) to a moderate maximum of 21°C (71°F), with an average of 6°C (43°F). The month experiences a notable 66 mm (2.6 in) of precipitation over about 9 days, coupled with high humidity at 83%. In stark contrast, April sees warmer conditions with temperatures starting at a minimum of 0°C (33°F) and peaking at 26°C (80°F), averaging around 13°C (56°F). This spring month also brings increased rainfall of 157 mm (6.2 in) over approximately 11 days, albeit with lower humidity at 76%. For more details on weather specifics, check out Uji weather in April.

December and May present contrasting weather patterns. In December, temperatures range from a chilly -9°C (17°F) to a mild 21°C (71°F), with an average of 6°C (43°F). This month receives 66 mm (2.6 in) of precipitation over about 9 days, accompanied by high humidity at 83%. In stark contrast, May boasts a much warmer climate, with temperatures varying from a minimum of 4°C (39°F) to a scorching maximum of 31°C (88°F), averaging 18°C (66°F). Rainfall is more significant in May, totaling 154 mm (6.1 in) over approximately 12 days, yet the humidity remains constant at 83%. For a deeper dive into May's weather specifics, check out Uji weather in May.

In December, temperatures tend to be much cooler, with a minimum of -9°C (17°F) and an average around 6°C (43°F), while highs can reach up to 21°C (71°F). The month experiences about 66 mm (2.6 in) of precipitation over approximately 9 days, accompanied by relatively high humidity at 83%. In contrast, June brings milder weather with minimum temperatures around 11°C (52°F), an average of 22°C (72°F), and maximums that can soar to 32°C (89°F). This month is wetter, receiving 161 mm (6.3 in) of precipitation across 14 days, combined with slightly higher humidity at 87%. For a detailed look at the weather in June, check out Uji weather in June.

December and July present a striking contrast in weather conditions. In December, temperatures can dip as low as -9°C (17°F), with an average of 6°C (43°F) and a maximum reaching 21°C (71°F). The month experiences 66 mm (2.6 in) of precipitation over about 9 days, accompanied by a relatively high humidity level of 83%. In stark contrast, July brings much warmer temperatures, with minimums at 19°C (66°F) and average highs of 26°C (79°F), soaring to a maximum of 37°C (98°F). Rainfall is significantly higher at 324 mm (12.7 in), spread over 22 days, and humidity also rises to 93%. For more information on July weather specifically, check out Uji weather in July.

When comparing the weather in December and August, a stark contrast emerges. December experiences chilly temperatures, with averages around 6°C (43°F) and a maximum of 21°C (71°F), while August boasts much warmer conditions, averaging 28°C (82°F) and reaching up to 37°C (98°F). Additionally, humidity levels are higher in August at 91%, compared to December's 83%. Precipitation is notably greater in August, with 228 mm (9.0 in) over 14 days, compared to December's 66 mm (2.6 in) over 9 days. For a more detailed look at August weather in Uji, you can visit Uji weather in August.

In December, the weather is significantly cooler, with temperatures ranging from a minimum of -9°C (17°F) to an average of 6°C (43°F), peaking at 21°C (71°F). Precipitation in December is relatively low at 66 mm (2.6 in) over about 9 days, and humidity averages around 83%. In contrast, September experiences much warmer conditions, with temperatures spanning from a minimum of 12°C (54°F) to an average of 23°C (75°F), soaring to a maximum of 34°C (94°F). However, September is wetter, with a total precipitation of 172 mm (6.8 in) over 15 days, and humidity levels are slightly higher at 87%. For more detailed insights, visit Uji weather in September.

December presents a much colder climate compared to October, with average temperatures dipping from 18°C (64°F) in October to just 6°C (43°F) in December. While October experiences maximum highs of 32°C (89°F), December's peak is a cool 21°C (71°F). Precipitation is also notably different; October sees a significant 246 mm (9.7 in) over 13 days, while December has only 66 mm (2.6 in) on 9 days. Humidity levels remain fairly consistent, with December at 83% and October slightly higher at 85%. For more detailed weather insights, check out Uji weather in October.

In comparing the weather between December and November, it's evident that December tends to be colder, with minimum temperatures dropping to -9°C (17°F) compared to November's milder minimum of -1°C (31°F). While both months exhibit similar average humidity at 83%, December has a lower average temperature of 6°C (43°F), significantly cooler than November's average of 12°C (53°F). Additionally, December experiences more precipitation, totaling 66 mm (2.6 in) over 9 days, whereas November recorded 47 mm (1.8 in) over just 6 days. For a detailed look at November's weather, you can check Uji weather in November.

Compare Uji's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Uji

As December settles in Uji, the weather shifts noticeably from the milder months. The chill lingers, with temperatures dipping to their lowest for the year, creating a crisp atmosphere that contrasts sharply with the preceding autumn. Precipitation also marks its presence, including frequent rainy days that contribute to the month’s higher humidity levels. Wrapped in a blanket of cooler air and occasional moisture, December provides a unique end-of-year experience, making it distinct from the warmer months that precede it. For a detailed overview of Uji's climate through the year, be sure to check Uji Climate.