Last updated: August 21, 2025
December in Oita, Japan offers a unique blend of winter chill and occasional warmth. With daytime temperatures peaking at a maximum of 22°C (72°F) and dipping to around 8°C (46°F) on average, this month showcases a pleasant but variable climate. Evenings can descend to a brisk minimum of -1°C (31°F), inviting cozy layers. Rainfall, amounting to 53 mm (2.1 in) over six days, contributes to a humidity level of 79%, creating a fresh, crisp atmosphere. This seasonal transition makes Oita an intriguing destination for those seeking both serene winter landscapes and vibrant local culture.
As December blankets Oita, Japan, temperatures begin their subtle descent into winter, showcasing a compelling shift from the milder months. With a minimum of -1°C (31°F), the chill is palpable, though the average temperature nudges up to a brisk 8°C (46°F). The city sees a daytime maximum that can still reach 22°C (72°F), hinting at lingering warmth as the year draws to a close. This transitional month marks a notable dip from November's averages, signaling the onset of the colder season while still retaining a hint of the autumn heat. The contrast in temperatures sets a picturesque stage for Oita’s seasonal charm, where vibrant landscapes coexist with a gentle coolness.
In December, Oita, Japan, experiences a subtle transition as precipitation levels taper off from the wetter months of summer and fall. With 53 mm (about 2.1 inches) of rain spread over just 6 days, the month maintains a relatively dry character compared to its predecessors. This decline follows the peak rainfall of July with 325 mm, highlighting a seasonal shift. Interestingly, December’s precipitation is marginally higher than November's 47 mm, suggesting an increase as the year draws to a close. As winter approaches, these trends indicate a moderate wetness that paves the way for the drier, cooler months ahead. Overall, December serves as a bridge to the drier winter months while still retaining a hint of the rainy season's residual character.
In Oita, Japan, the December humidity settles at a comfortable 79%, providing a mild transition from the higher summer levels, which peak in July at an impressive 92%. The data illustrates a clear trend: as the year progresses, humidity levels generally rise from 71% in the early months to their summer zenith, before gradually tapering off as autumn sets in. Notably, the transition into winter reflects a decrease from November's 81%, offering a refreshing change. While December maintains a relatively humid atmosphere, it marks the end of the year's peak moisture, suggesting a balanced climate that could be quite inviting for those seeking to escape the harsher cold of winter.
In Oita, Japan, the UV Index experiences notable fluctuations throughout the year, reflecting the changing seasons and sunlight intensity. The year begins with a moderate UV Index of 4 in January, allowing for longer 30-minute exposure times. As the months progress, the UV Index escalates, peaking at an extreme level of 12 in both July and August, where sunburn can occur in just 10 minutes. The spring months see a striking rise, with March reaching 9 and April hitting 11, prompting caution during outdoor activities. In contrast, December falls back to a moderate 4, echoing the sun-safe trends observed at the beginning of the year. Notably, the UV Index not only indicates the immediate need for sun protection but also emphasizes the importance of adapting one’s habits to the shifting UV landscape throughout the year. For detailed information, visit Oita UV Index.
UV Risk Categories
In Oita, Japan, the month of December brings a delightful 221 hours of sunshine, a charming conclusion to the year. While the days grow shorter, this amount reflects a trend of consistently bright months, peaking in August with an impressive 297 hours. Notably, the sunshine gradually wanes from the summer highs, with December showing a gentle decline from November's 235 hours. This pattern showcases Oita's transition into winter, where even as temperatures drop, the city continues to bask in ample daylight, inviting residents and visitors to embrace the unique charm of the season.
As December rolls into Oita, Japan, the likelihood of sunshine starts to brighten the winter landscape, boasting a 58% chance of clear skies. This marks a noticeable improvement compared to the preceding months, particularly in November and October, where the chances were 53% and 55%, respectively. Interestingly, the trend shows a gradual resurgence in sunny days from the typically overcast summer months, where the likelihood dipped to around 17% in July and 20% in June. With the arrival of December, residents and visitors alike can look forward to a festive month enhanced by an increased chance of sunny weather, setting a cheerful tone for the holidays.
In Oita, Japan, daylight duration follows a distinct seasonal rhythm, peaking in the lushness of June and July with 14 hours of sunlight. As the year winds down, however, December sees daylight shrink to just 9 hours, marking the shortest month of the year. This gradual decline in sunlight begins in November, where daylight dips to 10 hours, echoing the transition from the vibrant spring and summer months. As daylight wanes, it creates a cozy atmosphere, inviting residents to embrace the charms of winter. The contrast between the 13 hours of daylight in May and the diminished hours in December serves as a poignant reminder of nature's cyclical beauty and the changing seasons.
As December arrives in Oita, Japan, the wind takes on a refreshing vigor, averaging 3.0 m/s (7 mph)—matching the brisk winds of February, marking a notable uptick compared to the gentle breezes of the summer months. From June to August, where the winds languish around 1.8 to 1.9 m/s (4 mph), the transition into winter brings a sense of renewal. The cool air of December invigorates the landscape, providing a stark contrast to the lighter winds experienced earlier in the year. This month not only ushers in lower temperatures but also a noticeable increase in wind speed that sets the stage for the dynamic weather patterns typical of the Japan winter season.
Weather in Oita varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Oita, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January show some notable differences in weather patterns. December tends to be milder, with average temperatures around 8°C (46°F) and maximums reaching up to 22°C (72°F), while January sees a slight drop in average temperature to 6°C (43°F) and a maximum of 17°C (63°F). In terms of precipitation, both months are relatively similar, with December recording 53 mm (2.1 in) over 6 days and January slightly lower at 52 mm (2.0 in) over 5 days. Additionally, January tends to have lower humidity levels, averaging 75% compared to December's 79%. For more detailed weather information, you can check Oita weather in January.
In December, temperatures range from a chilly minimum of -1°C (31°F) to a maximum of 22°C (72°F), with an average temperature of 8°C (46°F) and relatively high humidity at 79%. The month sees about 53 mm (2.1 in) of precipitation over approximately 6 days. In contrast, February experiences slightly cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 20°C (68°F), while the average temperature dips marginally to 7°C (44°F). Precipitation increases to 67 mm (2.6 in) over 8 days, and humidity falls to 71%. This variation in weather highlights a transitional period as winter approaches its end. For more detailed information, you can explore Oita weather in February.
December weather features a chilling minimum of -1°C (31°F) and generally milder temperatures, with an average of 8°C (46°F) and a maximum of 22°C (72°F). The month experiences a moderate amount of precipitation, totaling 53 mm (2.1 in) over about 6 days, accompanied by a relatively high humidity level of 79%. In contrast, March brings slightly warmer conditions, with minimum temperatures around 1°C (35°F) and an average of 10°C (51°F), peaking at 24°C (76°F). However, March is noticeably wetter, receiving 116 mm (4.6 in) of rainfall over 11 days, and the humidity lowers to 71%. For more detailed information on March weather, you can check out Oita weather in March.
December and April present strikingly different weather patterns. In December, temperatures range from a chilly -1°C (31°F) at night to a mild 22°C (72°F) during the day, with an average of 8°C (46°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 6 days, accompanied by a high humidity level of 79%. In contrast, April brings warmer conditions, with temperatures starting at a minimum of 3°C (38°F) and reaching a max of 25°C (78°F), averaging 14°C (58°F). Precipitation is also more significant in April, totaling 107 mm (4.2 in) over 8 days, while humidity remains slightly lower at 78%. For more details on what to expect in April, visit Oita weather in April.
December and May present stark contrasts in weather. In December, temperatures range from a chilly -1°C (31°F) to a mild 22°C (72°F), with an average of around 8°C (46°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 6 days, and humidity hovers at 79%. In contrast, May boasts much warmer temperatures, with a minimum of 8°C (46°F) and a maximum reaching 30°C (87°F), averaging 19°C (67°F). However, it also sees increased precipitation of 143 mm (5.6 in) over around 11 days, with humidity slightly higher at 84%. For more detailed information, visit Oita weather in May.
In December, Oita experiences significantly cooler temperatures, with a minimum of -1°C (31°F) and an average temperature of 8°C (46°F), while the month boasts a maximum of 22°C (72°F). The precipitation is relatively low, at 53 mm (2.1 in) over about 6 days, and the humidity levels sit at 79%. In contrast, June sees much warmer weather, with temperatures ranging from a minimum of 14°C (57°F) to an average of 23°C (73°F) and a maximum reaching 32°C (89°F). However, June is also much wetter, receiving 191 mm (7.5 in) of rain over 15 days, along with higher humidity at 86%. For more details about Oita's June weather, you can check out Oita weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 22°C (72°F), with an average of 8°C (46°F). The month sees around 53 mm (2.1 in) of precipitation over 6 days, accompanied by a humidity level of 79%. In contrast, July boasts a much warmer climate, with temperatures ranging from a minimum of 19°C (67°F) to a scorching maximum of 34°C (94°F), averaging 26°C (80°F). However, it also brings significantly higher precipitation, totaling 325 mm (12.8 in) over 21 days, and a humidity level of 92%. For more details on the July climate, you can visit Oita weather in July.
December and August present stark contrasts in weather patterns. In December, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 22°C (72°F), with an average of 8°C (46°F). The month sees moderate precipitation at 53 mm (2.1 in) over about 6 days and a humidity level of 79%. In contrast, August experiences warm conditions with minimum temperatures of 20°C (69°F) and maximums reaching up to 36°C (97°F), averaging 28°C (82°F). This month is significantly wetter, with 228 mm (9.0 in) of rainfall over 15 days and higher humidity at 91%. For more details on August weather, you can visit Oita weather in August.
When comparing December and September weather, notable differences emerge. In December, temperatures range from a chilly minimum of -1°C (31°F) to a mild maximum of 22°C (72°F), with an average of 8°C (46°F). The month sees approximately 53 mm (2.1 in) of precipitation over about 6 days, alongside a humidity level of 79%. In contrast, September boasts much warmer temperatures, with a minimum of 15°C (59°F) and a maximum reaching 32°C (90°F), averaging 24°C (76°F). However, it is also the wettest month, receiving 218 mm (8.6 in) of rain over 16 days, and humidity levels rise to 84%. For more detailed information, you can check Oita weather in September.
December weather presents a noticeable shift from October's conditions. While October enjoys milder temperatures with an average of 19°C (67°F) and highs reaching up to 30°C (86°F), December sees a significant drop, with averages around 8°C (46°F) and maximums peaking at 22°C (72°F). Additionally, October experiences more precipitation at 183 mm (7.2 in) over 10 days, compared to December's 53 mm (2.1 in) over just 6 days. Humidity remains fairly consistent, with October at 83% and December slightly lower at 79%. For more details on October weather, you can visit Oita weather in October.
In comparing the weather of December and November, December features a wider temperature range with minimums dropping to -1°C (31°F) and maximums reaching up to 22°C (72°F), while November maintains a milder range with minimums at 4°C (39°F) and maximums at 25°C (76°F). Despite having similar precipitation days, December sees a slight increase in total precipitation at 53 mm (2.1 in) compared to November's 47 mm (1.8 in). Humidity levels remain relatively consistent, with December at 79% and November at 81%. For more detailed insights, you can view Oita weather in November.
As the year draws to a close, December in Oita brings a distinctive shift in weather compared to other months. While temperatures can peak at a pleasant 22°C (72°F), the average cools significantly to around 8°C (46°F), with nighttime dipping close to -1°C (31°F). This month also sees an increase in humidity, hovering at a comfortable 79%, and receives around 53 mm (2.1 in) of rainfall over approximately 6 days. These changes create a unique winter ambiance, blending mild days with chillier nights, making December a noteworthy time in Oita's climate landscape. For a deeper dive into the annual weather trends, visit Oita Climate.