December Weather in Kamiamakusa, Japan

Last updated: August 21, 2025

December in Kamiamakusa, Japan presents a blend of winter's chill and mild days, with temperatures ranging from a maximum of 23°C (74°F) to a minimum of 0°C (33°F). The average temperature sits around 9°C (48°F), creating a cool, comfortable atmosphere ideal for exploring the region. Despite the relatively mild temperatures, December sees 86 mm (3.4 in) of precipitation, spread over 7 days, contributing to a humid environment with an average humidity level of 79%. Visitors can expect a mix of rainy and clear days, perfect for experiencing the local landscape while embracing the cozy vibes of winter.

December Temperature in Kamiamakusa

In Kamiamakusa, Japan, December ushers in the winter season with a notable drop in temperatures as the year draws to a close. The month features a minimum temperature of 0°C (33°F), an average of 9°C (48°F), and a maximum reaching 23°C (74°F). This shift from November’s milder climate marks a transition to colder days, yet the highs remain surprisingly pleasant compared to the peak winter months. As December progresses, temperatures are reminiscent of early spring, hinting at the region's unique weather patterns. Travelers can expect a mix of cool air and sunny days, making it an intriguing time to explore this beautiful coastal area.

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

The chart illustrates December temperature patterns in Kamiamakusa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamiamakusa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454755626975818378695848
Data source: Temperature data for Kamiamakusa 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 Kamiamakusa

December in Kamiamakusa, Japan, sees a notable shift as the year draws to a close. With an average precipitation of 86 mm (3.4 in) spread over just 7 days, the month experiences a drop in both rainfall and rainy days compared to the wetter summer months. This trend reflects a transition from the peak of July's torrential 427 mm (16.8 in) to a more moderate winter climate, allowing residents to enjoy clearer skies. While December's precipitation is slightly higher than November's 85 mm, it marks a significant reduction from earlier months like May and June, when rainfall was abundant. Overall, December's weather encapsulates the region's gradual shift from lush greenery to more subdued winter tones, providing a serene backdrop as the year ends.

December Precipitation Trends in Kamiamakusa

The chart displays monthly precipitation patterns in Kamiamakusa, 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 Kamiamakusa, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec60981401352133074272461981258587
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Kamiamakusa

In December, Kamiamakusa, Japan, experiences a moderate humidity level of 79% as it transitions from the wetter months of summer and autumn. While still relatively high, this figure represents a slight drop from the peak humidity levels seen in July and August, which often reach an oppressive 92% and 91%, respectively. In contrast, the month of May marks the start of a gradual increase in humidity that peaks during the summer, suggesting a seasonal cycle that begins to ease as winter approaches. December's humidity, while still significant, fits into a trend of decreasing moisture from the preceding months, offering a cooler and more comfortable atmosphere as the year draws to a close. Overall, the fluctuation in humidity throughout the year highlights the dynamic climate of Kamiamakusa, making it a unique location for both residents and visitors alike.

December Average Humidity in Kamiamakusa

This chart illustrates the average monthly humidity levels in Kamiamakusa, 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 Kamiamakusa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kamiamakusa

As the year draws to a close, December in Kamiamakusa, Japan offers a noticeable dip in the UV Index, registering a manageable 4, categorizing it as moderate. This is a welcomed contrast to the extreme values seen during the peak summer months, where the UV Index soared to as high as 13 in August. The gradual decline from the extreme UV levels of mid-year to December's 30-minute burn time signifies the arrival of cooler days, making it a safer time for outdoor activities. Despite the decrease, residents and visitors should remain cautious, as even a moderate level can lead to skin damage with extended exposure. For more details on the seasonal UV Index trends, visit Kamiamakusa UV Index.

Maximum UV Index Levels in Kamiamakusa for December

The chart shows the monthly maximum UV Index (UVI) for Kamiamakusa 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 Kamiamakusa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569111212121311864
Data source: Kamiamakusa 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 Kamiamakusa

In December, Kamiamakusa basks in a serene 224 hours of sunshine, marking a gentle decline from the vibrant summer months. August dazzles with the peak of solar radiance at 305 hours, while the year winds down to cooler temperatures, leading to shorter days. As autumn transitions into winter, the sunshine starts to ebb, yet December still offers a respectable balance compared to the earlier months. Notably, this month embraces a cozy charm, contrasting the more exuberant sunshine of April and May, which often boast over 280 hours each. Overall, the trend showcases a gradual decrease in daylight hours as the year draws to a close, offering a tranquil backdrop for reflection and the beauty of winter in Kamiamakusa.

Monthly Sunshine Duration in Kamiamakusa: December Highlighted

The December sunshine duration represents the total number of hours Kamiamakusa 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h236h268h286h282h257h274h305h264h262h241h224h
Data source: Kamiamakusa December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kamiamakusa During December

As December rolls into Kamiamakusa, Japan, the chances of enjoying sunny weather stand at a promising 45%. While this is a dip from the 61% seen in October, it still reflects a relatively bright outlook compared to the earlier months of the year. January and March present lower probabilities of sun, at 40% and 36% respectively, making December one of the more favorable winter months. Interestingly, this month's sunshine likelihood slightly surpasses that of February, suggesting a potential trend towards sunnier days as the year comes to a close. Overall, December offers a noteworthy balance of moderate sunshine, ideal for those seeking a bit of warmth amid the winter chill.

Percentage of Sunny Days in December in Kamiamakusa

The chart illustrates the percentage of sunny days in Kamiamakusa 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 Kamiamakusa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%44%37%40%26%20%19%27%34%61%47%46%
Data source: Kamiamakusa December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kamiamakusa in December

In Kamiamakusa, Japan, the daylight duration undergoes a captivating transformation throughout the year. Beginning with a modest 10 hours in January, the daylight gradually increases, peaking at 14 hours in June and July, which envelops the region in long, bright summer days. As autumn arrives, the daylight begins to wane, leading back to 12 hours in September and 11 hours in October. This gradual decline continues until December, which mirrors January's 10 hours of daylight. The cyclical pattern vividly illustrates the dance of the seasons and highlights how Kamiamakusa experiences a well-defined rhythm of light and dark, enriching its natural beauty and atmosphere year-round.

Average Daylight Hours in Kamiamakusa for December

The chart illustrates the variation in daylight duration in Kamiamakusa throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 15m11h11h 59m12h 58m13h 48m14h 14m14h 1m13h 17m12h 20m11h 20m10h 29m10h 2m
Data source: Kamiamakusa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kamiamakusa

As December sweeps into Kamiamakusa, Japan, the winds pick up to a gentle average speed of 2.6 m/s (6 mph), mirroring the breezy conditions of the late spring and early fall months. This slight uptick, compared to the calmer summer months of June and September, signals a refreshing transition from the warmer seasons. Notably, the wind patterns throughout the year show a distinct rhythm, maintaining a moderate pace that peaks during the later months as temperatures dip. December’s soothing breeze, thus, invites visitors to embrace the island's serene winter landscape, making it an ideal time for peaceful strolls along the coast or exploring the local culture amidst cool, crisp air.

Average December Wind Speed in Kamiamakusa

The chart displays monthly wind speed patterns in Kamiamakusa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.72.62.62.51.72.32.62.02.12.22.6 m/s
Data source: Kamiamakusa December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kamiamakusa Compares to Other Months

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

In comparing the weather between December and January, we observe a notable drop in temperatures as the year transitions. December experiences a minimum temperature of 0°C (33°F) with an average of 9°C (48°F) and can reach a maximum of 23°C (74°F). In contrast, January sees a cooler minimum of -2°C (29°F) and an average temperature of 7°C (46°F), peaking at 19°C (66°F). December also tends to be wetter, with 86 mm (3.4 in) of precipitation over about 7 days, whereas January has a reduced precipitation level of 60 mm (2.4 in) spread over 6 days. Humidity levels are slightly lower in January at 75% compared to December's 79%. For more detailed information on January weather, you can visit Kamiamakusa weather in January.

December and February exhibit notable differences in weather patterns. December typically sees temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (74°F), with an average of 9°C (48°F). The month experiences around 86 mm (3.4 in) of precipitation over approximately 7 days, accompanied by a relatively high humidity level of 79%. In contrast, February tends to be slightly cooler, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 19°C (67°F) and an average of 8°C (47°F). Precipitation increases to 98 mm (3.9 in) over about 10 days, while humidity drops to 71%. For more detailed insights, check out Kamiamakusa weather in February.

In comparing December and March weather, December typically features a milder temperature range, with minimums around 0°C (33°F) and average highs of 23°C (74°F), accompanied by higher humidity levels at 79%. December also sees an average precipitation of 86 mm (3.4 in) across about 7 days. In contrast, March experiences slightly warmer nights with minimum temperatures of 4°C (39°F) and a higher average of 13°C (55°F). It also has increased rainfall, with precipitation measuring 140 mm (5.5 in) over approximately 13 days, although the humidity drops to 71%. For more details, you can check Kamiamakusa weather in March.

December and April present distinct weather patterns, offering a notable contrast in temperature and precipitation. In December, temperatures range from a chilly minimum of 0°C (33°F) to a pleasant maximum of 23°C (74°F), with an average of 9°C (48°F). The month also sees about 86 mm (3.4 in) of precipitation, spread over approximately 7 days, while humidity hovers around 79%. Conversely, April boasts warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 26°C (79°F), yielding a more comfortable average of 17°C (62°F). Precipitation increases to 135 mm (5.3 in), occurring on around 10 days, and humidity remains similar at 78%. For a detailed look at what to expect, check out Kamiamakusa weather in April.

In comparing the weather of December and May, notable differences emerge. December temperatures range from a chilly 0°C (33°F) at night to a comfortable 23°C (74°F) during the day, with an average of 9°C (48°F). In contrast, May boasts a milder climate, with temperatures beginning at 11°C (52°F), peaking at 29°C (84°F), and averaging 21°C (70°F). While December experiences 86 mm (3.4 in) of precipitation over approximately 7 days, May sees significantly more rainfall at 213 mm (8.4 in) over 12 days. Humidity is also relatively high in both months, with December at 79% and May slightly higher at 84%. For a closer look at weather specifics in May, visit Kamiamakusa weather in May.

December and June present notably different weather conditions. In December, temperatures range from a chilly 0°C (33°F) at night to a mild 23°C (74°F) during the day, averaging around 9°C (48°F). The month receives a moderate amount of precipitation with 86 mm (3.4 in) falling over about 7 days, accompanied by a humidity level of 79%. Conversely, June is significantly warmer, with nighttime lows of 16°C (61°F) and daytime highs reaching 31°C (88°F), averaging 24°C (75°F). Rain is more prevalent in June, with 307 mm (12.1 in) occurring across approximately 17 days, and humidity rises to 86%. For more specific insights on June weather, check out Kamiamakusa weather in June.

In December, the weather is notably cooler, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (74°F), accompanied by moderate precipitation of 86 mm (3.4 in) over about 7 days. The humidity is relatively high at 79%, contributing to a crisp winter feel. In stark contrast, July experiences much warmer temperatures, with averages between 21°C (69°F) and 34°C (94°F), and significantly higher rainfall totaling 427 mm (16.8 in) over 19 days. The humidity peaks at 92%, creating a muggy atmosphere during the summer months. For a closer look at July conditions, check out Kamiamakusa weather in July.

December and August present markedly different weather conditions. In December, temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 23°C (74°F), with an average of 9°C (48°F). The month experiences moderate precipitation at 86 mm (3.4 in) over about 7 days, accompanied by a humidity level of 79%. In contrast, August boasts much warmer temperatures, with a minimum of 21°C (71°F) and a peak reaching 36°C (96°F), averaging 29°C (84°F). August is significantly wetter, receiving 246 mm (9.7 in) of rain over approximately 16 days, and comes with higher humidity at 91%. For more detailed information on August weather, visit Kamiamakusa weather in August.

In December, the weather is notably cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (74°F) and an average of 9°C (48°F). This month also sees a significant decrease in precipitation days, totaling just 7 days and accumulating 86 mm (3.4 in) of rainfall, with humidity at 79%. In contrast, September is warmer and more humid, with temperatures starting at a minimum of 17°C (63°F) and reaching up to 34°C (93°F), averaging around 25°C (78°F). However, it experiences more rain, with 198 mm (7.8 in) falling over 15 days and humidity at a higher 84%. For more detailed insights into September weather, you can check Kamiamakusa weather in September.

In comparing the weather between October and December, we can see significant differences in temperature and precipitation patterns. October boasts a warmer climate, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (89°F), making it generally more pleasant for outdoor activities. In contrast, December sees cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (48°F).

October also experiences more rainfall, with a total of 124 mm (4.9 in) across 10 days, compared to December's 86 mm (3.4 in) over 7 days. Humidity levels are quite similar, with October at 83% and December slightly lower at 79%. For a closer look at October's climate, you can check out Kamiamakusa weather in October.

In comparing the weather of December and November, we see notable differences in temperature and humidity. December's minimum temperature drops to 0°C (33°F), with an average of 9°C (48°F) and a maximum of 23°C (74°F), while November's temperatures range from a minimum of 5°C (41°F) to an average of 15°C (58°F) and a peak of 24°C (76°F). Both months experience similar precipitation levels, with December slightly increasing to 86 mm (3.4 in) over 7 days compared to November’s 85 mm (3.3 in) across 9 days. Humidity is slightly lower in December at 79%, compared to November's 81%. For more detailed insights, you can check Kamiamakusa weather in November.

Compare Kamiamakusa's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kamiamakusa

In December, Kamiamakusa experiences a significant shift in weather compared to other months. As temperatures dip, with averages settling around a brisk 9°C (48°F) and occasional highs of 23°C (74°F), the cool air is accompanied by a notable increase in humidity, reaching 79%. With 86 mm (3.4 in) of precipitation spread over about seven days, this month brings a refreshing chill that signifies the onset of winter, offering a unique charm to the coastal scenery. For a more in-depth look at how December fits into the pattern of the seasons, visit Kamiamakusa Climate.