December Weather in Takamatsu, Japan

Last updated: August 21, 2025

In December, Takamatsu, Japan experiences a mild yet varied climate. The maximum temperature reaches a comfortable 20°C (69°F), while the average hovers around 8°C (47°F), with a chilly minimum dipping to 0°C (33°F). Rainfall is present, with approximately 54 mm (2.1 in) of precipitation spread over 10 days, contributing to the city's notable 82% humidity. This combination of weather elements creates a dynamic atmosphere, making December a unique time to explore Takamatsu's winter charm.

December Temperature in Takamatsu

As December arrives in Takamatsu, Japan, the temperatures begin to reflect the transition from autumn to winter. With a minimum of 0°C (33°F), the chill in the air indicates that colder months are settling in, while the average temperature hovers around 8°C (47°F), offering a crisp yet manageable climate for locals and visitors alike. Daytime highs reach 20°C (69°F), providing occasional sunny days that can feel surprisingly warm compared to the cooler mornings and evenings. This month marks a distinct shift, with temperatures generally dropping from the milder autumn months, signaling the start of a seasonal transformation where cozy indoor activities and festive celebrations become the norm.

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

The chart illustrates December temperature patterns in Takamatsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Takamatsu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434350576571798276665647
Data source: Temperature data for Takamatsu 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 Takamatsu

In Takamatsu, Japan, December marks a notable transition in precipitation patterns as the year draws to a close. With an average rainfall of 54 mm (2.1 in) spread over 10 days, the month is characterized by relatively light and moderate rain compared to the summer months. This precipitation is a part of a larger trend where early winter exhibits a decline from the heavier rains of July and October, which can see amounts as high as 295 mm (11.6 in) and 236 mm (9.3 in) respectively. While December's rain is significantly less than the peak summer, the consistent number of rainfall days mirrors the month of March, keeping the landscape lush and vibrant, albeit in cooler temperatures. As Takamatsu transitions into winter, the precipitation becomes a gentle reminder of the shifting seasons, setting the stage for the new year.

December Precipitation Trends in Takamatsu

The chart displays monthly precipitation patterns in Takamatsu, 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 Takamatsu, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec48621041201331762951481952374954
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Takamatsu

In Takamatsu, Japan, December brings a relative humidity of 82%, maintaining a pattern of elevated moisture that characterizes much of the year. As the climate transitions from the warmer months, humidity levels start to decrease slightly compared to the peak summer figures, which hover around 92% in July and August. Interestingly, December’s humidity resembles that of January, suggesting a seasonal consistency as the year draws to a close. This trend illustrates a distinct rhythm in Takamatsu’s climate, where the winter months remain humid enough to retain a certain chill in the air, keeping residents and visitors wrapped in layers as they enjoy the city's serene winter landscape.

December Average Humidity in Takamatsu

This chart illustrates the average monthly humidity levels in Takamatsu, 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 Takamatsu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Takamatsu

In December, Takamatsu, Japan experiences a moderate UV Index of 4, similar to the early winter months of January and February. With a burn time of 30 minutes, it’s a reminder that while the sun is less intense, it still deserves respect, especially during outdoor activities. As the year progresses, the region sees notable fluctuations: from moderate levels in the early months to extreme conditions in the summer, peaking at UV Index 12 in July and August. This trend underscores the importance of sun safety, particularly in the warmer months. For more detailed insights, visit Takamatsu UV Index.

Maximum UV Index Levels in Takamatsu for December

The chart shows the monthly maximum UV Index (UVI) for Takamatsu 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 Takamatsu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121210754
Data source: Takamatsu 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 Takamatsu

In Takamatsu, Japan, December offers a gentle transition into winter with 215 hours of sunlight. This marks a decline from the post-summertime peak of 310 hours in August, as daylight gradually dwindles toward the year's end. The month’s sunshine reflects a steady decrease from November's 235 hours, aligning with a broader trend of reduced daylight during the winter months. However, despite the cooler temperatures, December still provides a significant amount of sunshine compared to January, which typically sees the least light with just 181 hours. This cycle of daylight highlights Takamatsu's unique seasonal rhythm, encouraging residents and visitors alike to embrace the softer, sunlit days of winter as a comforting close to the year.

Monthly Sunshine Duration in Takamatsu: December Highlighted

The December sunshine duration represents the total number of hours Takamatsu 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.
JanFebMarAprMayJunJulAugSepOctNovDec181h229h266h284h298h283h279h310h253h243h235h215h
Data source: Takamatsu December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Takamatsu During December

In Takamatsu, Japan, December marks a noticeable shift towards sunnier days, with a 62% chance of sunshine, the highest probability of the year. This trend contrasts with the preceding months, particularly the damp and overcast summer, where the chances hover below 32%. As autumn transitions to winter, the likelihood of sunny weather increases steadily, peaking in December after a relatively bright November at 55%. This provides a refreshing end to the year, suggesting that residents and visitors alike may enjoy mild and sunny days in the early winter, perfect for outdoor activities and exploration.

Percentage of Sunny Days in December in Takamatsu

The chart illustrates the percentage of sunny days in Takamatsu 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 Takamatsu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%55%42%47%32%25%27%31%30%52%55%62%
Data source: Takamatsu December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Takamatsu in December

As the year unfolds in Takamatsu, Japan, daylight duration exhibits a dynamic rhythm that reflects the changing seasons. Starting the year with a consistent 10 hours of daylight in both January and February, the days gradually stretch towards spring, peaking at 14 hours in June and July. This vibrant burst of light invites the blooms of spring, transitioning smoothly from March’s 11 hours to the flourishing 13 hours of April and May. However, as summer wanes, daylight begins to ebb, retreating to similar lengths of 12 hours in September and 11 hours in October. The arrival of November marks a further decline, wrapping up the year with just 10 hours of daylight, and culminating in December’s gently dimming 9 hours. This cyclical pattern illustrates the graceful dance of day and night, embodying the seasonal changes that define life in this beautiful coastal city.

Average Daylight Hours in Takamatsu for December

The chart illustrates the variation in daylight duration in Takamatsu throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 7m10h 56m11h 58m13h 2m13h 56m14h 23m14h 10m13h 23m12h 21m11h 17m10h 22m9h 53m
Data source: Takamatsu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Takamatsu

In December in Takamatsu, Japan, the winds pick up a notch, averaging 4.3 m/s (10 mph), making it one of the breezier months of the year. This increase marks a notable rise after the milder winds of earlier months, such as June and July, where speeds dropped to around 2.1 to 2.4 m/s (5 mph). As autumn transitions into winter, the wind pattern reflects an invigorating shift, with speeds starting to climb noticeably from 3.5 m/s (8 mph) in November to the gustier December. This upward trend not only heralds the cooler season but also infuses a sense of vitality into the air, drawing residents and visitors alike to embrace the refreshing outdoors.

Average December Wind Speed in Takamatsu

The chart displays monthly wind speed patterns in Takamatsu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.23.23.13.02.12.42.52.62.53.54.3 m/s
Data source: Takamatsu December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Takamatsu Compares to Other Months

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

In December, temperatures in the region range from a minimum of 0°C (33°F) to a maximum of 20°C (69°F), with an average temperature of 8°C (47°F). The month experiences a fair amount of precipitation, totaling 54 mm (2.1 in) over approximately 10 days, while humidity remains at a high level of 82%.

In contrast, January sees cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 14°C (58°F), resulting in an average of 6°C (43°F). Precipitation decreases slightly to 48 mm (1.9 in) over about 8 days, maintaining the same humidity level of 82%. This shift marks January as a colder and slightly drier month compared to December. For more specific details on the weather in Takamatsu during this time, you can check Takamatsu weather in January.

In December, the weather typically ranges from a minimum of 0°C (33°F) to a maximum of 20°C (69°F), with an average temperature of 8°C (47°F). The month sees around 54 mm (2.1 in) of precipitation over approximately 10 days, and humidity levels are relatively high at 82%. In contrast, February experiences slightly colder conditions, with temperatures dipping to a minimum of -2°C (29°F) and an average of 6°C (43°F), while the maximum is around 18°C (65°F). Precipitation increases to 62 mm (2.4 in) over 8 days, and humidity hovers around 79%. For a closer look at February's weather specifics, visit Takamatsu weather in February.

In December, temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 20°C (69°F), with an average temperature of 8°C (47°F). The month experiences about 54 mm (2.1 in) of precipitation over approximately 10 days, coupled with a high humidity level of 82%. In contrast, March sees a slight increase in temperatures, with a minimum of 2°C (35°F) and an average of 10°C (50°F), peaking at 19°C (67°F). However, it also brings a higher precipitation total of 104 mm (4.1 in) over the same number of days and a lower humidity of 73%. For more details on March weather, you can visit Takamatsu weather in March.

December and April present quite contrasting weather patterns. In December, temperatures range from a chilly minimum of 0°C (33°F) to a milder maximum of 20°C (69°F), with an average of 8°C (47°F). The month sees around 54 mm (2.1 in) of precipitation over 10 days, accompanied by high humidity levels at 82%. In comparison, April offers a noticeably warmer climate, with temperatures ranging from a minimum of 4°C (39°F) to a comfortable maximum of 24°C (75°F), averaging 14°C (57°F). However, it experiences more rain, totaling 120 mm (4.7 in) in just 9 days, despite lower humidity at 74%. For more details, check Takamatsu weather in April.

December and May exhibit notable differences in weather patterns. In December, temperatures range from a chilly minimum of 0°C (33°F) to a mild maximum of 20°C (69°F), averaging around 8°C (47°F). The month sees about 54 mm (2.1 in) of precipitation spread over 10 days, with a humidity level of 82%. In contrast, May brings warmer temperatures with a minimum of 9°C (49°F) and a maximum reaching 27°C (82°F), averaging 18°C (65°F). Precipitation increases significantly to 133 mm (5.2 in), also over 10 days, while humidity remains slightly higher at 84%. For more details on May weather, you can check Takamatsu weather in May.

In December, the weather is much cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (69°F), averaging around 8°C (47°F). Precipitation is relatively low at 54 mm (2.1 in) over approximately 10 days, accompanied by a humidity level of 82%. In contrast, June experiences significantly warmer temperatures, with a minimum of 15°C (58°F), averaging 22°C (71°F), and peaking at 30°C (87°F). The month is much wetter as well, with 176 mm (6.9 in) of rainfall across about 13 days and a humidity level slightly higher at 86%. For a detailed look at the weather specifics, you can visit Takamatsu weather in June.

December and July present stark contrasts in weather patterns. In December, temperatures range from a cool 0°C (33°F) at their lowest to a mild 20°C (69°F) at their peak, with an average of 8°C (47°F). The month sees moderate precipitation at 54 mm (2.1 in) over about 10 days, accompanied by a humidity level of 82%. In contrast, July experiences much warmer conditions, with temperatures varying from a minimum of 20°C (68°F) to a maximum of 32°C (90°F), averaging 26°C (79°F). This month is significantly wetter, with total precipitation reaching 295 mm (11.6 in) over 17 days, and slightly higher humidity at 92%. For more specific details, you can visit Takamatsu weather in July.

In December, temperatures range from a chilly minimum of 0°C (33°F) to a pleasant maximum of 20°C (69°F), with an average of 8°C (47°F). The month sees around 54 mm (2.1 in) of precipitation over approximately 10 days, amidst relatively high humidity levels at 82%. In stark contrast, August experiences much warmer weather, with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 33°C (92°F), averaging 28°C (82°F). This month is also rainier, receiving 148 mm (5.8 in) of precipitation over the same 10 days, but with even higher humidity at 92%. For a detailed overview of August weather, check out Takamatsu weather in August.

In comparing the weather of December and September, notable differences emerge in both temperature and precipitation. December features cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (47°F), while September boasts a much warmer range, with a minimum of 16°C (62°F) and an average of 24°C (76°F). Precipitation is more pronounced in September, totaling 195 mm (7.7 in) over 13 days, compared to December's 54 mm (2.1 in) over 10 days. Additionally, September has higher humidity at 87%, compared to December's 82%. For more detailed insights, you can refer to the Takamatsu weather in September.

December weather is markedly cooler than October, with temperatures dropping from a mild average of 19°C (67°F) in October to a cooler average of 8°C (47°F) in December. While October enjoys warmer highs reaching up to 30°C (86°F), December's maximum temperature peaks at a more modest 20°C (69°F). Additionally, October sees significantly higher precipitation levels, with 236 mm (9.3 in) spread across 12 days, compared to December's 54 mm (2.1 in) over 10 days. Humidity levels remain relatively similar, with December at 82% and October slightly higher at 85%. For more insights on October weather, visit Takamatsu weather in October.

In December, the weather is generally cooler than in November, with average temperatures dropping from 13°C (56°F) in November to 8°C (47°F) in December. The minimum temperature falls to 0°C (33°F) in December, compared to a milder minimum of 4°C (40°F) in November. Additionally, December sees slightly more precipitation, with 54 mm (2.1 in) over 10 rainy days, while November records 49 mm (1.9 in) over just 6 days. Humidity levels remain high in both months, at 82% in December and 84% in November, making for a damp atmosphere. For more details on November weather specifics, check out Takamatsu weather in November.

Compare Takamatsu's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Takamatsu

As December settles in Takamatsu, the weather takes a notable turn, transitioning from the warmth of autumn to the cooler embrace of winter. While the maximum temperature can still reach a pleasant 20°C, the average dips to a brisk 8°C, introducing a crispness in the air. Unlike the vibrant, often rainy summer months, December experiences a moderate amount of precipitation with around 54 mm over a handful of days, resulting in a humid atmosphere at 82%. This unique combination of cooler temperatures and increased humidity marks December as a month of transition, distinct from the milder months that precede it. For a deeper dive into the year-round climate of this fascinating city, explore Takamatsu Climate.