December Weather in Nakatsugawa, Japan

Last updated: August 21, 2025

December in Nakatsugawa, Japan, presents a varied climate characterized by cool temperatures and moderate precipitation. With maximum temperatures reaching up to 17°C (63°F) and an average of 3°C (38°F), the month experiences a brisk chill, occasionally dipping to a minimum of -5°C (23°F). The region receives about 96 mm (3.8 in) of rainfall over 12 days, contributing to the high humidity levels of 83%. This blend of conditions creates a picturesque winter setting, perfect for enjoying the seasonal charm of Nakatsugawa.

December Temperature in Nakatsugawa

In December, Nakatsugawa, Japan, ushers in the chill of winter with temperatures reflecting a noticeable drop. The minimum temperature dips to -5°C (23°F), highlighting the seasonal change, while the average settles around a crisp 3°C (38°F). Daytime warmth is still present, as the maximum can reach a comfortable 17°C (63°F). This month marks a transition from the lingering autumn coolness seen in November, where temperatures hovered just above freezing. Overall, December's weather encapsulates a blueprint of winter's embrace, offering a blend of frosty nights and milder daylight, perfect for cozying up amidst the enchanting winter landscapes.

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

The chart illustrates December temperature patterns in Nakatsugawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nakatsugawa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333543516066737669594838
Data source: Temperature data for Nakatsugawa 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 Nakatsugawa

December in Nakatsugawa, Japan, brings a modest 96 mm (3.8 in) of precipitation over approximately 12 days, marking a slight increase from November's drier conditions. This uptick hints at the region's transition into the colder months, where winter weather patterns begin to establish themselves. While December's rainfall is relatively low compared to the summer peaks—most notably July's staggering 544 mm (21.4 in)—it plays a crucial role in maintaining the lush landscape that characterizes Nakatsugawa. As the year draws to a close, the precipitation rhythm sets the stage for the upcoming colder months, blending seamlessly into the region's beautifully diverse climate.

December Precipitation Trends in Nakatsugawa

The chart displays monthly precipitation patterns in Nakatsugawa, 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 Nakatsugawa, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec881061832192312415442902602448696
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nakatsugawa

In Nakatsugawa, Japan, December brings a noticeable consistency in humidity, with levels reaching 83%. This marks a slight decline from the peak summer months, where July and August average around 93% and 91%, respectively. Interestingly, as the year progresses from the frosty start of January at 82%, humidity levels exhibit a seasonal rhythm, gently oscillating throughout the year. The spring months dip lower, with March registering 74%, only to rise again as the warmer days of late spring and summer approach. As winter sets in, December's humidity reflects a stable and comfortable environment, reminiscent of the late autumn months, making it a cozy yet moist end to the year.

December Average Humidity in Nakatsugawa

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

In December in Nakatsugawa, Japan, the UV Index returns to a moderate level of 4, similar to the beginning of the year. During this month, the suggested burn time extends to 30 minutes, allowing residents and visitors to enjoy the outdoor activities with a bit more leeway. As the year progresses, a noticeable trend emerges: the UV Index peaks sharply in the warmer months from May to August, where it reaches extreme values of 11 to 12 and decreases steadily in autumn and winter. This cyclical pattern reminds us to be cautious about sun exposure, particularly as spring transitions to summer. For more details, visit the Nakatsugawa UV Index for insights and seasonal trends.

Maximum UV Index Levels in Nakatsugawa for December

The chart shows the monthly maximum UV Index (UVI) for Nakatsugawa 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 Nakatsugawa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101111121210754
Data source: Nakatsugawa 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 Nakatsugawa

In Nakatsugawa, Japan, the sun shines brightly throughout the year, with December basking in 223 hours of golden daylight. This month, though slightly lower than the autumn months, still showcases a significant amount of sunshine as the year draws to a close. Following the peak of 291 hours in May, the sunshine gradually tapers off, creating a gentle decline through the summer and autumn months. Despite this decrease, December offers a serene atmosphere, contrasting with the vibrant spring and summer months, while hinting at the beauty of winter's quiet charm. As the days grow shorter, Nakatsugawa still delights in a substantial dose of sunshine, making it a perfect time for reflection and enjoying the tranquility of the season.

Monthly Sunshine Duration in Nakatsugawa: December Highlighted

The December sunshine duration represents the total number of hours Nakatsugawa 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.
JanFebMarAprMayJunJulAugSepOctNovDec180h235h267h279h291h263h238h290h239h229h238h223h
Data source: Nakatsugawa December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nakatsugawa During December

In Nakatsugawa, Japan, December brings a refreshing transition into winter, with a 48% chance of sunny weather. This likelihood demonstrates a notable trend, as it follows a steady increase from the lower percentages seen in the summer months. After a peak in October at 52%, the sun gradually shines less frequently throughout November, yet December maintains a promising outlook compared to earlier winters. With the crisp seasonal air, residents and visitors alike can enjoy a balance of sunshine and festive charm as the year draws to a close.

Percentage of Sunny Days in December in Nakatsugawa

The chart illustrates the percentage of sunny days in Nakatsugawa 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 Nakatsugawa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%45%42%45%24%20%21%24%25%52%55%48%
Data source: Nakatsugawa December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nakatsugawa in December

In Nakatsugawa, Japan, the daylight duration follows a fascinating seasonal rhythm. Beginning in January and February, the days are fairly consistent, offering around 10 hours of light. As spring approaches in March, daylight gradually increases to 11 hours, heralding the arrival of longer days. The crescendo of daylight reaches its peak in May and June with 14 hours, allowing ample time for outdoor activities and enjoying the blooming nature. However, as summer gently fades into autumn, daylight begins to wane. By August, it decreases slightly to 13 hours, continuing its descent through September and October, where 12 and 11 hours are observed respectively. November sees another drop back to 10 hours, and by December, the sunniest month of the year closes with just 9 hours of daylight. This natural ebb and flow in sunlight captures the essence of the changing seasons in Nakatsugawa, inviting residents and visitors alike to embrace both the warmth of summer and the serene beauty of winter.

Average Daylight Hours in Nakatsugawa for December

The chart illustrates the variation in daylight duration in Nakatsugawa throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Nakatsugawa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nakatsugawa

In December, Nakatsugawa experiences a gradual resurgence in wind activity, averaging 2.0 m/s (4 mph), a slight increase from the calmer breezes of summer and early fall. Throughout the year, the wind speeds show a discernible pattern, typically hovering around 2.1 m/s (5 mph) in the cooler months of January through April before dipping to their lowest in the summer, notably in July with just 1.3 m/s (3 mph). As the year comes to a close, December’s winds mark a return to more invigorating conditions, bridging the transition into winter and suggesting a refreshing change as the landscape prepares for the colder months ahead. The subtle rise in wind velocity offers a hint of the seasonal shift, intertwining nature’s rhythm with the charm of Nakatsugawa.

Average December Wind Speed in Nakatsugawa

The chart displays monthly wind speed patterns in Nakatsugawa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.22.12.12.01.51.31.81.41.71.92.0 m/s
Data source: Nakatsugawa December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nakatsugawa Compares to Other Months

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

In December, temperatures in Nakatsugawa range from a minimum of -5°C (23°F) to a maximum of 17°C (63°F), with an average of 3°C (38°F). The month experiences a total precipitation of 96 mm (3.8 in) over 12 days, resulting in relatively high humidity at 83%. In contrast, January sees cooler temperatures, with a minimum of -13°C (10°F) and a maximum of 13°C (56°F), averaging around 1°C (33°F). Precipitation slightly decreases to 88 mm (3.4 in) over 11 days, and humidity remains comparable at 82%. This comparison highlights that while both months are characterized by chilly weather, January is generally colder and drier than December. For more details on January weather, check Nakatsugawa weather in January.

In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 17°C (63°F), with an average of 3°C (38°F) and a relatively high humidity of 83%. The month sees 96 mm (3.8 in) of precipitation spread over 12 days. In contrast, February experiences slightly colder conditions, with temperatures dipping to a minimum of -12°C (11°F) and an average of 2°C (35°F), while the maximum reaches 16°C (61°F). February also has higher precipitation, totaling 106 mm (4.2 in) over 10 days, but with lower humidity at 79%. For more specifics on February weather, you can visit Nakatsugawa weather in February.

In December, temperatures typically range from a chilly -5°C (23°F) to a mild 17°C (63°F), with an average of around 3°C (38°F) and 96 mm (3.8 in) of precipitation spread over 12 days. The humidity is quite high at 83%. In contrast, March sees a slight increase in both average temperature and overall warmth, with lows around -4°C (24°F) and highs reaching 20°C (69°F), leading to an average temperature of 6°C (44°F). However, March experiences significantly more rainfall, totaling 183 mm (7.2 in) over 13 days, and the humidity drops to 74%. For more details on the weather patterns, check Nakatsugawa weather in March.

In December, temperatures in Nakatsugawa typically range from a chilly -5°C (23°F) to a maximum of 17°C (63°F), with an average of about 3°C (38°F). The month sees a significant amount of precipitation, totaling 96 mm (3.8 in) over approximately 12 days, along with relatively high humidity at 83%. In contrast, April brings milder weather with temperatures ranging from a low of -3°C (27°F) to a warm high of 25°C (77°F), averaging around 11°C (51°F). Rainfall increases in April to 219 mm (8.6 in) across 13 days, although the humidity drops to 76%. This shift in weather conditions marks a clear transition from the cold, damp winters to the warmer, wetter spring days. For more details on Nakatsugawa weather during this month, check out Nakatsugawa weather in April.

In December, temperatures in Nakatsugawa typically hover between a minimum of -5°C (23°F) and a maximum of 17°C (63°F), with an average of 3°C (38°F). The month sees about 96 mm (3.8 in) of precipitation over 12 days, resulting in relatively chilly and damp conditions, with humidity consistently around 83%.

In contrast, May brings a significant warm-up, with temperatures ranging from 1°C (34°F) to as high as 29°C (84°F), averaging around 16°C (61°F). Precipitation also increases during this month, totaling 231 mm (9.1 in) over 14 days, yet the humidity remains at 83%. The transition from December’s cold to May’s warmth showcases a dramatic shift in the weather, making May a more pleasant time to enjoy the outdoors. For more details on the weather specifics, visit Nakatsugawa weather in May.

In December, the weather is quite chilly, with average temperatures hovering around 3°C (38°F) and a maximum of 17°C (63°F). The month experiences around 96 mm (3.8 in) of precipitation over 12 days, accompanied by high humidity at 83%. In contrast, June offers a warmer climate, with average temperatures reaching 19°C (67°F) and daytime highs peaking at 29°C (84°F). This month also sees more precipitation, totaling 241 mm (9.5 in) across 16 days, and slightly elevated humidity at 87%. For a more detailed look at June weather specifics, check out Nakatsugawa weather in June.

In December, temperatures in Nakatsugawa range from a chilly -5°C (23°F) at night to a mild 17°C (63°F) during the day, with an average temperature of around 3°C (38°F). The month sees about 96 mm (3.8 in) of precipitation over 12 days, coupled with a relatively high humidity level of 83%. In contrast, July's weather is characterized by much warmer conditions, with nighttime lows of 15°C (60°F) and daytime highs reaching up to 36°C (96°F), resulting in an average of 23°C (74°F). This month experiences significantly more rainfall, totaling 544 mm (21.4 in) across 25 days, along with a humidity level of 93%. For more details on July's weather, you can check Nakatsugawa weather in July.

In December, the weather is considerably colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 17°C (63°F), resulting in an average of 3°C (38°F). This month sees an average precipitation of 96 mm (3.8 in) over 12 days, accompanied by a relatively high humidity of 83%. In contrast, August offers a much warmer climate, where temperatures range from a minimum of 16°C (61°F) to a maximum of 35°C (96°F), averaging at 25°C (77°F). Additionally, August experiences significantly higher precipitation at 290 mm (11.4 in) over 21 days and a humidity level of 91%. For more detailed insights on August weather, visit Nakatsugawa weather in August.

When comparing the weather in December and September, there are stark differences in both temperature and precipitation patterns. In December, temperatures range from a chilly -5°C (23°F) to a mild 17°C (63°F), with an average of around 3°C (38°F). In contrast, September boasts much warmer temperatures, with a minimum of 8°C (47°F) and a maximum reaching 32°C (90°F), leading to an average of 21°C (70°F).

Moreover, December experiences a higher humidity of 83% compared to September's 87%, despite September receiving significantly more precipitation at 260 mm (10.2 in) over 18 days, versus December's 96 mm (3.8 in) across 12 days. This notable difference in climate underscores the transition from the warmer, wetter conditions of early autumn to the colder, drier winter months. For a deeper dive into September's weather, you can visit Nakatsugawa weather in September.

In comparing the weather between December and October, it's clear that October experiences significantly milder temperatures, with average highs reaching 28°C (82°F) compared to December's maximum of only 17°C (63°F). While December's average temperature is a chilly 3°C (38°F), October boasts a more comfortable average of 15°C (60°F). Additionally, October sees a higher level of precipitation with 244 mm (9.6 in) falling over 15 days, as opposed to December's 96 mm (3.8 in) over 12 days. Humidity levels remain fairly similar, with October at 85% and December slightly lower at 83%. For more detailed information, check out Nakatsugawa weather in October.

December weather shows a notable drop in average temperatures compared to November. While November has a minimum of -2°C (29°F) and an average of 9°C (48°F), December experiences colder minimums at -5°C (23°F) and averages around 3°C (38°F). Additionally, December sees a slight increase in precipitation with 96 mm (3.8 in) over 12 days, compared to November's 86 mm (3.4 in) over 9 days, though the humidity remains constant at 83%. For more detailed insights on November weather, you can reference Nakatsugawa weather in November.

Compare Nakatsugawa's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nakatsugawa

In December, Nakatsugawa experiences a transition into the chillier months, marked by a notable drop in temperatures and a higher level of humidity compared to earlier autumn conditions. This month brings about a unique blend of cool, crisp air and increased precipitation, with rain often giving way to the first hints of winter's chill. While daytime highs feel mild, the nights can plunge into freezing territory, requiring a cozy layering of clothing. This shift in weather not only wraps the scenery in a serene, wintry embrace but also invites residents and visitors alike to indulge in the beauty and tranquility of the season. For a deeper understanding of Nakatsugawa's climate throughout the year, check out Nakatsugawa Climate.