December Weather in Miyazu, Japan

Last updated: August 21, 2025

December in Miyazu, Japan showcases a unique climate as the year winds down. With maximum temperatures reaching 22°C (73°F) and averages settling around 8°C (46°F), the month presents a chilly yet manageable atmosphere, occasionally dipping to a brisk minimum of -2°C (29°F). Rainfall is a notable feature, with approximately 90 mm (3.5 in) collected over 16 days, contributing to the region's lush winter landscape. The air carries a humidity of 83%, enhancing the crispness of the season and creating a picturesque setting for both locals and visitors to enjoy the serene beauty of Miyazu in December.

December Temperature in Miyazu

In Miyazu, Japan, December ushers in cooler temperatures that mark the transition into winter. With a minimum dipping to -2°C (29°F) and an average hovering around 8°C (46°F), the month offers a refreshing chill compared to the mild fall. Daytime highs can reach up to 22°C (73°F), providing a pleasant contrast during sunnier afternoons. This shift in climate is part of a broader trend throughout the year: as the seasons change, temperatures gradually decline from the warmth of summer, with December's weather typically being cooler than November's. Whether you're exploring the scenic coastal beauty or enjoying local winter festivities, December in Miyazu invites you to embrace the crisp air and evolving landscape.

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

The chart illustrates December temperature patterns in Miyazu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miyazu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414249576672808375665546
Data source: Temperature data for Miyazu 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 Miyazu

In Miyazu, Japan, December marks a notable transition in precipitation patterns, with an average rainfall of 90 mm (3.5 in) spread across 16 days. This month experiences a slight uptick in precipitation from November’s much drier 59 mm (2.3 in), indicating a shift toward the wetter winter season. Interestingly, while December’s rainfall is lower than the peak summer months, it still reflects a significant increase compared to the preceding month. This trend hints at the region's unique climate dynamics, as winter approaches, ushering in a cool and often damp end to the year. The rise in precipitation may also contribute to the lush landscapes surrounding Miyazu, providing a picturesque backdrop for the winter months.

December Precipitation Trends in Miyazu

The chart displays monthly precipitation patterns in Miyazu, 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 Miyazu, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec68741201381371813212482122145990
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Miyazu

In Miyazu, Japan, December maintains a somewhat consistent level of humidity at 83%, mirroring the trend seen in the preceding months. As the year transitions from fall to winter, humidity remains relatively high, with notable peaks during the summer months of July and August, where it skyrockets to 93% and 91%, respectively. The transition from the warmer months gradually leads to a slight drop in humidity, but it stabilizes in December, reflecting the region's high moisture levels throughout the year. Overall, the data suggests that while humidity fluctuates seasonally, a significant amount of moisture lingers during the winter, providing a unique climate experience in this picturesque coastal town.

December Average Humidity in Miyazu

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

In Miyazu, Japan, the UV Index experiences notable fluctuations throughout the year, with December marking a decline to a UV Index of 3, categorized as moderate. This reduction follows the extreme and very high levels seen in the summer months, where indices soared to 11 between May and August, demanding much shorter sun exposure times of just 10 minutes to avoid skin damage. As the year transitions into winter, residents enjoy a more forgiving sun, with a burn time of 30 minutes in December. Despite the seasonal changes, it remains important to stay informed about UV levels, particularly during those high summer months. For detailed insights, visit Miyazu UV Index.

Maximum UV Index Levels in Miyazu for December

The chart shows the monthly maximum UV Index (UVI) for Miyazu 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 Miyazu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111111110753
Data source: Miyazu 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 Miyazu

In Miyazu, Japan, December shines with an impressive 204 hours of sunlight, rounding out a year marked by increasing brightness as it progresses. After the crisp winter days of January with just 167 hours, the sun gradually reveals itself more as the months unfold, peaking in the vibrant warmth of August with 295 hours. As autumn transitions into winter, the sunlight gently diminishes, yet December's glow remains steady, reflecting a trend of resilient daylight even as the year comes to a close. This delightful pattern not only enhances Miyazu's scenic landscape but also invites both locals and visitors to embrace the beauty of the season.

Monthly Sunshine Duration in Miyazu: December Highlighted

The December sunshine duration represents the total number of hours Miyazu 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h202h248h277h292h276h269h295h238h230h222h204h
Data source: Miyazu December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Miyazu During December

In December, Miyazu, Japan experiences a 40% chance of sunny weather, marking a notable shift as the year wraps up. This figure reflects a slight decrease compared to the previous month, November, which boasts a 52% chance of sunshine. The trend for the months leading up to December shows a gradual fluctuation in sunny weather, with January and March hitting lower percentages at 37% and 35%, respectively. However, as the year progresses to the final month, the likelihood of sunny days in December remains relatively stable, offering a seasonally pleasant respite before winter settles in. Overall, while December may not shine as brightly as November, it still holds a respectable chance of clear skies ideal for enjoying the serene beauty of Miyazu in the winter months.

Percentage of Sunny Days in December in Miyazu

The chart illustrates the percentage of sunny days in Miyazu 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 Miyazu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%43%35%43%28%23%34%26%29%47%52%40%
Data source: Miyazu December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Miyazu in December

In Miyazu, Japan, the ebb and flow of daylight throughout the year reveals a captivating seasonal rhythm. As the year begins, both January and February enjoy a consistent 10 hours of daylight, providing a gentle transition into spring. With March comes a gradual increase, as daylight stretches to 11 hours. The days continue to lengthen dramatically from April to June, peaking at 14 hours during the vibrant summer months, inviting outdoor adventures and longer evenings. However, as summer surrenders to autumn, daylight starts to recede—August sees a slight dip to 13 hours, followed by a steady decline, punctuated by November's return to 10 hours. Finally, December ushers in the year’s shortest days with just 9 hours, a contemplative backdrop for the winter season ahead, showcasing a fascinating dance of light that defines Miyazu's unique seasonal experience.

Average Daylight Hours in Miyazu for December

The chart illustrates the variation in daylight duration in Miyazu 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: Miyazu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Miyazu

As December sweeps into Miyazu, Japan, the wind takes on a familiar yet invigorating character. With an average speed of 3.6 m/s (8 mph), it mirrors January’s brisk conditions, creating a sense of continuity as the year draws to a close. This renewed vigor contrasts sharply with the summer months, where average speeds dip as low as 2.1 m/s (5 mph) in July. While autumn and early winter maintain a steady breeze at 3.0 m/s (7 mph), December’s return to 3.6 m/s offers a refreshing reminder of the coastal winds that characterize this region. As the air cools and the landscape transforms, the December winds not only usher in the season but also invigorate the spirit, inviting residents and visitors alike to embrace the beauty of Miyazu in winter.

Average December Wind Speed in Miyazu

The chart displays monthly wind speed patterns in Miyazu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.73.53.53.12.42.12.82.63.03.03.6 m/s
Data source: Miyazu December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Miyazu Compares to Other Months

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

December generally experiences a wider temperature range compared to January, with minimums averaging around -2°C (29°F) and maximums reaching up to 22°C (73°F), while January's temperatures are slightly cooler, with minimums at -3°C (27°F) and maximums capped at 17°C (63°F). Although both months see considerable humidity—around 83% in December and 82% in January—December also records more precipitation, totaling 90 mm (3.5 in) over 16 days, compared to January's 68 mm (2.7 in) over 15 days. For a more detailed look at January weather patterns, you can check out Miyazu weather in January.

December generally experiences milder temperatures compared to February, with averages around 8°C (46°F) and maximums peaking at 22°C (73°F). In contrast, February sees slightly cooler minimum temperatures dropping to -5°C (23°F), while the average temperature settles around 6°C (42°F). Precipitation is also notable in both months, with December recording 90 mm (3.5 in) over 16 days, whereas February experiences less rain, totaling 74 mm (2.9 in) over 13 days. Humidity levels are somewhat higher in December at 83%, compared to February's 79%. For a more detailed look at February's weather, you can check Miyazu weather in February.

December and March present distinct contrasts in weather conditions. In December, temperatures fluctuate from a chilly minimum of -2°C (29°F) to a mild maximum of 22°C (73°F), with an average of 8°C (46°F). Humidity is notably high at 83%, and the month experiences approximately 90 mm (3.5 in) of precipitation over 16 days. In comparison, March sees slightly higher average temperatures with a minimum of -1°C (31°F) and a maximum of 24°C (75°F), averaging around 10°C (50°F). Though March is a bit wetter, receiving 120 mm (4.7 in) of precipitation over 14 days, the humidity is lower at 74%. For a more detailed look at March weather, you can visit Miyazu weather in March.

December and April exhibit notably different weather patterns. In December, temperatures range from a chilly minimum of -2°C (29°F) to a warmer maximum of 22°C (73°F), with an average of 8°C (46°F). The humidity is relatively high at 83%, and the month experiences about 90 mm (3.5 in) of precipitation over 16 days. In contrast, April brings a more comfortable climate, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 28°C (82°F) and an average of 14°C (57°F). While April has a slightly lower humidity of 76%, it sees increased rainfall, totaling 138 mm (5.4 in) over just 11 days. For more detailed information, you can check Miyazu weather in April.

December and May present distinctly different weather experiences. In December, temperatures range from a chilly minimum of -2°C (29°F) to a maximum of 22°C (73°F), with an average temperature of 8°C (46°F). The month sees approximately 90 mm (3.5 in) of precipitation over 16 days, contributing to a consistently high humidity level of 83%. In contrast, May enjoys warmer conditions, with temperatures fluctuating between a minimum of 6°C (43°F) and a maximum of 32°C (89°F), averaging 19°C (67°F). Though May is wetter, receiving about 137 mm (5.4 in) of rain over 11 days, the humidity remains the same at 83%. For more details on May weather specifics, you can check Miyazu weather in May.

December and June present contrasting weather conditions. In December, temperatures range from a minimum of -2°C (29°F) to a maximum of 22°C (73°F), with an average of 8°C (46°F). The month sees about 90 mm (3.5 in) of precipitation spread over 16 days, accompanied by a humidity level of 83%. In stark contrast, June's temperatures are much warmer, with a minimum of 12°C (53°F) and a maximum of 32°C (90°F), averaging 22°C (72°F). Precipitation increases significantly in June to 181 mm (7.1 in) over 14 days and humidity rises slightly to 87%. For more detailed information, you can check out Miyazu weather in June.

December and July present strikingly contrasting weather patterns. In December, temperatures range from a chilly -2°C (29°F) to a comfortable average of 8°C (46°F), with a maximum of 22°C (73°F). The month experiences significant precipitation, with 90 mm (3.5 in) over 16 days, resulting in a humidity level of 83%. In contrast, July boasts much warmer temperatures, with minimums of 20°C (68°F), averages around 27°C (81°F), and peaks reaching up to 37°C (99°F). This summer month is also quite wet, receiving 321 mm (12.6 in) over 20 days, contributing to a higher humidity of 93%. For more specifics on July weather, check out Miyazu weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a chilly -2°C (29°F) to a milder max of 22°C (73°F), with an average of 8°C (46°F). The month sees about 90 mm (3.5 in) of precipitation over 16 days and maintains high humidity at 83%. In contrast, August typically experiences a much warmer climate, with minimum temperatures around 19°C (67°F) and highs peaking at a sweltering 39°C (102°F), averaging 29°C (84°F). August is also far wetter, with precipitation reaching 248 mm (9.7 in) over the same number of days, accompanied by even higher humidity at 91%. For more details on weather specifics, you can visit Miyazu weather in August.

In December, temperatures are significantly cooler, ranging from a minimum of -2°C (29°F) to a maximum of 22°C (73°F), with an average of 8°C (46°F). The month experiences about 90 mm (3.5 in) of precipitation over 16 days, and the humidity levels are relatively high at 83%. In contrast, September boasts much warmer temperatures with a minimum of 14°C (57°F), an average of 24°C (76°F), and a maximum of 36°C (97°F). Despite the higher warmth, September sees more precipitation, totaling 212 mm (8.3 in) over the same number of days, with humidity slightly higher at 87%. For more details on September weather, check out Miyazu weather in September.

In comparing the weather between October and December, we see a significant drop in temperatures. December features a minimum of -2°C (29°F) and an average of 8°C (46°F), while October starts with a more mild minimum of 10°C (51°F) and an average temperature of 19°C (66°F). Additionally, the maximum temperature in December is notably cooler at 22°C (73°F) compared to October's peak of 31°C (87°F). Precipitation levels also differ, with December experiencing 90 mm (3.5 in) of rain over 16 days, while October sees a higher total of 214 mm (8.4 in) over 14 days. Humidity remains relatively similar in both months, at 83% in December and 85% in October. For more detailed information about October weather, you can refer to Miyazu weather in October.

In December, the weather tends to be cooler than in November, with minimum temperatures dropping to -2°C (29°F) compared to November's minimum of 3°C (37°F). The average temperature in December is 8°C (46°F), which is significantly lower than November's average of 13°C (55°F). While December experiences more precipitation, totaling 90 mm (3.5 in) over 16 days, November has a lower total of 59 mm (2.3 in) across just 9 days. Both months have the same humidity level of 83%, but December’s colder temperatures and increased rainfall create a distinctly different atmosphere. For more insights on November weather, you can visit Miyazu weather in November.

Compare Miyazu's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Miyazu

As December settles over Miyazu, the weather undergoes a notable transformation from the milder autumn months. Daytime temperatures average a brisk 8°C, with peaks reaching up to 22°C, while nights can plunge to a chilly -2°C. This month also brings about an increase in precipitation, with approximately 90 mm falling over 16 days, contributing to a notably humid atmosphere at around 83%. These conditions starkly contrast with the relatively drier and warmer months preceding it, beckoning visitors to experience a unique winter charm. To explore more about what to expect throughout the year, visit Miyazu Climate.