Last updated: August 21, 2025
In Sasebo, Japan, December brings a cool and crisp climate, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 23°C (74°F). The monthly average hovers around 9°C (49°F), offering a refreshing respite from the summer heat. Expect a moderate amount of rain throughout the month, with 74 mm (2.9 in) of precipitation spread across 7 days. The humidity levels can be quite noticeable, averaging 72%, adding a touch of chill to the air. This month is ideal for those who appreciate mild weather and the serene beauty of winter in Japan.
As December settles over Sasebo, Japan, temperatures start to dip, marking a transition into the cooler months. Averaging around 9°C (49°F), the month reflects a notable drop from the milder autumn temperatures, with lows dipping to about 1°C (33°F) and daytime highs reaching a comfortable 23°C (74°F). This steady cooling trend from November’s temperatures hints at the approach of winter, yet with a relatively mild climate compared to harsher regions. The crisp air and gentle fluctuations create a delightful atmosphere perfect for exploring the town’s winter charm, making Sasebo a cozy destination during this time of year.
December in Sasebo, Japan, marks a transitional period as the region winds down from the year's higher rainfall months. With 74 mm (2.9 in) of precipitation over 7 days, this month experiences a notable decrease compared to the heavier downpours of summer and early autumn. This trend reflects the general climatological pattern, where precipitation begins to taper off after the peak of July, which recorded a staggering 361 mm (14.2 in). As December settles in, the region enjoys a more stable weather pattern, providing a refreshing respite from the intense rainfall of previous months while still maintaining moisture for the lush, green landscapes Sasebo is known for.
In Sasebo, Japan, December brings a moderate humidity level of 72%, signaling the tail end of a humid year. The trend throughout the months shows a noticeable peak during the summer, with July and June experiencing the highest humidity at 97% and 91% respectively. As fall sets in, humidity begins to taper off, dropping to 75% in November before settling at 72% in December. This gradual decline reflects the transition from the sticky summer months to the cooler, drier winter air, making December a comfortable respite after the year's humidity highs. Overall, Sasebo experiences a clear seasonal rhythm in humidity, with winter bringing a refreshing decrease compared to the sweltering summer.
In December, Sasebo, Japan experiences a notable shift in UV exposure, with the UV Index dropping to 4, categorized as moderate. This decline from the extreme levels seen in the summer months allows residents and visitors to enjoy the outdoors with a bit more safety, as the burn time lengthens to 30 minutes. This trend reflects a consistent seasonal pattern, where the intensity of UV radiation significantly decreases from the heights of summer, providing a reprieve as the year comes to a close. As the sun's rays become less intense, it's a great opportunity to relish outdoor activities while remaining mindful of UV exposure. For more detailed information on UV levels throughout the year, visit Sasebo UV Index.
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December in Sasebo, Japan, brings a charming contrast to the vibrant sunshine enjoyed through the year. With 198 hours of sunlight, this month marks a gentle decline from the peak of 306 hours in August, yet it still offers a warm farewell to the year. Notably, the sun-soaked months from March to May show a significant surge, averaging over 270 hours, creating a perfect backdrop for spring’s bloom. As December transitions into winter, the daylight hours taper, yet the city remains wrapped in a cozy glow, reminding residents of the coming year’s promise. This cyclical rhythm of light not only paints the sky but also reflects the changing seasons in this serene Japanese locale.
In December, Sasebo, Japan experiences a 40% chance of sunny weather, marking a notable shift from the preceding months. While November holds a stronger 50% chance of sunshine, December's figures reflect the transition into winter, where clear skies become less frequent. This percentage aligns closely with the sunny potential of April and slightly surpasses May and March, suggesting that while the likelihood of sun diminishes from the vibrant autumn months, December still offers opportunities for clear days amid the cooler climate. Overall, December's weather hints at a mix of cloudy and bright moments, making it a unique time of year in this coastal city.
In Sasebo, Japan, the shifting daylight duration throughout the year showcases a fascinating rhythm of seasonal change. As the year begins, January and February offer a consistent 10 hours of daylight, allowing for gentle winter days. By March, the days start to stretch a bit longer, reaching 11 hours and signaling the arrival of spring. This gradual increase continues into April and May, peaking at 13 hours as nature awakens in full bloom. Summer follows, bringing the longest days in June and July with an impressive 14 hours of sunlight, perfect for enjoying outdoor activities. However, as August fades into September, daylight begins to wane, shrinking to 12 hours and continuing its descent through autumn. By December, Sasebo experiences the shortest days, with just 9 hours of daylight, marking the end of a year filled with evolving light and welcoming the introspective beauty of winter.
As December arrives in Sasebo, Japan, the wind begins to pick up, reaching an average speed of 3.8 m/s (9 mph). This marks a slight increase from the calmer summer months, where winds dipped to around 2.4 to 3.2 m/s. The transition from short-lived gusts in the sweltering summer to the more invigorating breezes of late fall serves as a reminder of the approaching winter. Interestingly, the wind speed in December closely aligns with that of the earlier winter months, January and February, both also averaging 4.0 m/s (9 mph). This consistent pattern suggests that December's winds are not just a fleeting phenomenon but rather a herald of the colder, brisk air that characterizes the season in Sasebo. With each gust, the city embraces the winds of winter, invigorating the landscape and its inhabitants alike.
Weather in Sasebo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sasebo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather patterns of December and January, December typically experiences milder temperatures, with a minimum of 1°C (33°F) and an average high of 23°C (74°F). In contrast, January tends to be cooler, with minimum temperatures dipping to -2°C (29°F) and a maximum of 18°C (66°F). While December has higher precipitation, averaging 74 mm (2.9 in) over 7 days, January sees a decrease in rainfall, totaling 57 mm (2.2 in) across the same number of days. Despite these differences, both months maintain similar humidity levels, around 72-73%. For more detailed information, you can check out Sasebo weather in January.
December and February exhibit notable differences in weather patterns, with December generally being warmer. In December, temperatures range from a minimum of 1°C (33°F) to a maximum of 23°C (74°F), resulting in an average of 9°C (49°F). In contrast, February sees slightly cooler conditions with temperatures dropping as low as -1°C (30°F) and peaking at 21°C (70°F), averaging around 8°C (47°F). Precipitation levels are quite similar, with December receiving 74 mm (2.9 in) over 7 days and February slightly higher at 79 mm (3.1 in) over 9 days. Humidity levels also indicate a minor variation, with December at 72% and February slightly lower at 69%. For more detailed information about February weather, you can check Sasebo weather in February.
December and March offer distinct weather characteristics. December typically sees a minimum temperature of 1°C (33°F) and an average of 9°C (49°F), while March begins slightly warmer with a minimum of 2°C (37°F) and an average of 12°C (54°F). Both months can reach a maximum of around 23°C (74°F), but March tends to be wetter, with precipitation levels rising to 132 mm (5.2 in) over 10 days, compared to December's 74 mm (2.9 in) over 7 days. Humidity levels are relatively similar, hovering around 71-72%. For more detailed insights, you can visit Sasebo weather in March.
When comparing the weather in December and April, notable differences emerge. December experiences a milder average temperature, ranging from a minimum of 1°C (33°F) to a maximum of 23°C (74°F), with relatively lower humidity at 72%. In contrast, April showcases a more comfortable average temperature, fluctuating between 6°C (42°F) and 27°C (82°F), accompanied by a slight increase in humidity to 79%. Precipitation is also higher in April, with 114 mm (4.5 in) spread over 9 days compared to December's 74 mm (2.9 in) across 7 days. For more detailed information on April weather, visit Sasebo weather in April.
In December, the weather is cooler with minimum temperatures around 1°C (33°F) and average highs reaching 23°C (74°F), while May experiences milder conditions, with minimum temperatures starting at 9°C (48°F) and maximums of 28°C (83°F). December sees about 74 mm (2.9 in) of precipitation over 7 days, indicating a relatively drier month compared to May, which receives significant rainfall at 168 mm (6.6 in) spread over 11 days. Additionally, humidity levels rise in May to 87%, compared to 72% in December, contributing to the overall perception of a more humid and warmer atmosphere. For a detailed look at May's weather, you can visit Sasebo weather in May.
December and June exhibit stark contrasts in weather, reflecting the shift from winter to early summer. In December, temperatures range from a chilly minimum of 1°C (33°F) to a mild maximum of 23°C (74°F), with an average of 9°C (49°F). The month sees about 74 mm (2.9 in) of precipitation over 7 days, accompanied by a moderate humidity level of 72%. In comparison, June is significantly warmer, with minimum temperatures at 16°C (61°F) and maximums reaching up to 31°C (89°F), averaging 23°C (74°F). However, it brings more rainfall, totaling around 200 mm (7.9 in) across 12 days, and a higher humidity of 91%. For more detailed information on weather in June, you can visit Sasebo weather in June.
In comparing December and July weather in Sasebo, there's a striking contrast in both temperature and precipitation. December experiences milder temperatures, with a minimum of 1°C (33°F) and an average of 9°C (49°F), while July boasts much warmer conditions, ranging from a minimum of 19°C (66°F) to an average of 27°C (80°F), peaking at a hot 36°C (96°F). Precipitation also varies significantly; December sees about 74 mm (2.9 in) over roughly 7 days, whereas July faces much heavier rainfall, totaling 361 mm (14.2 in) across 18 days. Additionally, July is notably more humid, with levels at a staggering 97%, compared to December's 72%. For more detailed insights into July's weather, visit Sasebo weather in July.
December and August present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of 1°C (33°F) to a comfortable maximum of 23°C (74°F), with an average of 9°C (49°F). The month sees about 74 mm (2.9 in) of rainfall over approximately 7 days, and humidity levels sit at 72%. In contrast, August boasts much warmer temperatures, with minima around 20°C (68°F), averages of 28°C (83°F), and maxima soaring to 37°C (99°F). The summer month is significantly wetter, receiving 288 mm (11.3 in) of precipitation across 15 days, coupled with high humidity at 94%. For more detailed insights, you can check Sasebo weather in August.
December and September present contrasting weather patterns. In December, temperatures range from a minimum of 1°C (33°F) to an average of 9°C (49°F), with a maximum reaching 23°C (74°F), indicating a significantly cooler climate. In contrast, September enjoys much warmer conditions, with temperatures fluctuating between a minimum of 17°C (63°F) and a maximum of 34°C (94°F), making it one of the warmer months. Furthermore, December experiences less rainfall, with 74 mm (2.9 in) over 7 days, while September is much wetter, accumulating 222 mm (8.7 in) across 15 days. The humidity levels are also notably higher in September at 84%, compared to 72% in December. For more details on September weather, visit Sasebo weather in September.
In comparing the weather of December and October, December is notably cooler, with average temperatures ranging from a minimum of 1°C (33°F) to a maximum of 23°C (74°F), while October presents a milder climate with temperatures between 11°C (51°F) and 31°C (88°F). Additionally, December experiences less precipitation at 74 mm (2.9 in) over 7 days compared to October's 109 mm (4.3 in) over 9 days. The humidity in December is slightly lower at 72%, compared to October’s 79%. For a more detailed look at October weather conditions, you can visit Sasebo weather in October.
In comparing the weather of December to November, December tends to be cooler and wetter. The minimum temperature in December dips to 1°C (33°F), while November's minimum is slightly higher at 4°C (40°F). Although December has a lower average temperature of 9°C (49°F) compared to November's average of 15°C (58°F), it experiences a maximum temperature that is still quite comfortable at 23°C (74°F), just shy of November's peak of 25°C (77°F). Precipitation also increases in December, with 74 mm (2.9 in) compared to November's 51 mm (2.0 in), despite both months having rainfall on about 7 days. Humidity remains fairly consistent between the two months, with December at 72% and November slightly higher at 75%. For more detailed information, you can visit Sasebo weather in November.
As December arrives in Sasebo, the weather offers a unique charm compared to other months. With temperatures oscillating between mild days and chilly nights, residents and visitors experience a noticeable drop in warmth, making it a time for cozy layers. The average humidity at 72% creates a crisp atmosphere, complemented by regular rainfall on about seven days during the month—totaling 74 mm of precipitation. This shift not only enhances the stunning winter scenery but also invites holiday festivities that envelop the city. For a deeper dive into the seasonal transitions in Sasebo, check out Sasebo Climate.