Last updated: August 21, 2025
In December, Fukuoka, Japan experiences a dynamic climate characterized by moderately cool temperatures and a touch of winter. Daily highs can reach up to 23°C (73°F), while average temperatures hover around 8°C (46°F), and nighttime lows might dip to a brisk -1°C (31°F). The month also sees 68 mm (2.7 in) of rainfall spread over approximately 8 days, contributing to an overall humidity level of 79%. This blend of conditions creates a unique atmosphere, perfect for exploring the city's vibrant culture amidst the lingering traces of autumn and the first hints of winter.
In December, Fukuoka experiences a notable shift as temperatures begin to cool, with a minimum of -1°C (31°F) and an average of 8°C (46°F). The city enjoys mild days, reaching up to 23°C (73°F), which is still relatively warm compared to the chill of deeper winter months ahead. This transitional climate marks the end of the year, as it bridges the gap from the crispness of late November to the colder temperatures that January brings. Despite the drop in temperatures, December’s moderate highs invite festive celebrations, making it a charming time to visit and enjoy the seasonal transitions in this vibrant city.
December in Fukuoka brings a modest precipitation total of 68 mm (2.7 in), marking a notable decrease from the preceding months. This dip is reflected in the 8 rainy days, which offers a quieter end to the year compared to the wetter summer months. Interestingly, while December’s precipitation is higher than the lows of November, it remains significantly lower than the peaks seen in July and August, where rainfall often exceeds 300 mm. The trend shows a gradual tapering of rainfall as winter approaches, providing a soothing pause in the typically vibrant, rain-laden landscape of earlier months. As the city wraps up the year, the cooler air and sporadic showers create a unique atmosphere, perfect for quiet reflection amid nature’s calm.
In Fukuoka, Japan, December experiences a relatively moderate humidity level of 79%, slightly declining from the peak summer months. As the year progresses, humidity generally begins to rise from a more comfortable 71% in the winter months of February and March, reaching a peak of 92% in July. The transition into December reflects a gradual decrease from the higher levels seen in late summer and early autumn, where humidity often hovers above 80%. Despite this drop, December maintains a level of stickiness, hinting at the lush, humid climate that characterizes Fukuoka throughout much of the year.
In Fukuoka, Japan, the UV Index reveals a clear seasonal trend that peaks in the summer months, with values soaring to 12 in July and August under the extreme exposure category, necessitating a burn time of just 10 minutes. A gradual decrease follows as autumn settles in, dropping to 7 in October and 6 in November—both classified as high exposure, allowing for 25 minutes of safe sun exposure. By December, the UV Index drops back to a moderate 4, with a burn time of 30 minutes. This cyclical pattern highlights the importance of sun protection strategies, especially during the scorching summer days. For more details on how to stay safe in the sun, visit Fukuoka UV Index.
UV Risk Categories
As the year winds down to December, Fukuoka experiences 216 hours of sunshine, marking a gentle decrease from the vibrant warmth of the preceding months. Notably, this month enjoys significantly more sunlight compared to January, which kicks off the year with just 179 hours. The overall trend throughout the year reveals a gradual increase in sunshine, peaking in August at an impressive 304 hours, before tapering off into the cooler months. December's hours might be lower, but they still provide a pleasant backdrop for the city's winter festivities, bridging the longer days of summer and the reflective tranquility of the upcoming New Year.
In Fukuoka, December brings a 43% chance of sunny weather, which is fairly consistent with the month of November's 49%. This slight decline reflects a trend observed as the year progresses into winter, where the likelihood of clear skies generally diminishes. Notably, December's sun chances fall below those of the early fall months but maintain a healthier percentage compared to the summer's often overcast days, particularly July's 19% and June's 22%. Overall, while December may not boast the highest likelihood of sunshine, it still offers a decent opportunity to enjoy some winter rays amidst the evolving landscape of Fukuoka's weather.
As December ushers in the winter season in Fukuoka, Japan, daylight hours begin to wane, sinking to just 9 hours—the shortest of the year. This gradual decrease in sunlight is part of a natural cycle that sees daylight duration peak in the summer months of June and July, where it stretches to a generous 14 hours. Following this peak, the days steadily shorten, with the transition from autumn's 12 hours in September to the winter's early evenings. As the year wraps up, Fukuoka's daylight pattern highlights a distinct ebb and flow—an annual dance between light and dark, allowing residents to appreciate the cozy charm of winter.
As December arrives in Fukuoka, Japan, a gentle breeze ushers in the winter season, with an average wind speed of 2.7 m/s (6 mph). This marks a return to the higher wind speeds seen earlier in the year, particularly mirroring the conditions of January and April. Notably, December's winds maintain a consistent rhythm, similar to those of the preceding months, fluctuating in a gentle, cold embrace that's characteristic of the season. After the quieter breezes of the summer months, the return of this brisk air not only enhances the winter atmosphere but also invites a sense of renewal as Fukuoka transitions fully into winter.
Weather in Fukuoka varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fukuoka, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Fukuoka range from a minimum of -1°C (31°F) to a maximum of 23°C (73°F), with an average of 8°C (46°F). The month sees about 68 mm (2.7 in) of precipitation across 8 days, and the humidity averages around 79%. In contrast, January experiences slightly cooler conditions, with temperatures dipping to a minimum of -3°C (26°F) and a maximum of 17°C (63°F). The average temperature decreases to 6°C (43°F), and precipitation is slightly lower at 58 mm (2.3 in), also spread over 8 days, with a humidity of 75%. Overall, January tends to be cooler and a bit drier than December. For more information on the specifics of Fukuoka's weather, check out Fukuoka weather in January.
In December, the weather features milder temperatures with a minimum of -1°C (31°F) and an average of 8°C (46°F), peaking at a pleasant 23°C (73°F). The month experiences 68 mm (2.7 in) of precipitation over about 8 days, and humidity levels are relatively high at 79%.
In contrast, February tends to be slightly colder, with a minimum of -3°C (26°F) and an average temperature of 7°C (45°F), only reaching a maximum of 22°C (72°F). Precipitation increases to 80 mm (3.1 in) over about 10 days, and humidity drops to 71%.
For more specific details on February's climate, you can refer to Fukuoka weather in February.
In December, the temperature typically ranges from a chilly -1°C (31°F) to a warm 23°C (73°F), with an average of 8°C (46°F). The month experiences about 68 mm (2.7 in) of precipitation over approximately 8 days, along with a relatively high humidity of 79%. In contrast, March shows a slight increase in the average temperature to 11°C (52°F), while maintaining the same maximum of 23°C (73°F). However, March also sees a rise in precipitation, totaling 121 mm (4.8 in) over 11 days, alongside lower humidity at 71%. For more detailed insights about March weather, visit Fukuoka weather in March.
In December, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of around 8°C (46°F). During this month, Fukuoka experiences moderate precipitation, totaling 68 mm (2.7 in) over approximately 8 days, coupled with a high humidity level of 79%. In contrast, April brings warmer temperatures, with a minimum of 2°C (37°F) and a maximum of 28°C (83°F), averaging 15°C (59°F). Rainfall increases to 115 mm (4.5 in) across about 9 days, while humidity remains relatively stable at 78%. For more detailed information, you can check Fukuoka weather in April.
December and May offer distinct contrasts in weather patterns. In December, temperatures range from a chilly -1°C (31°F) to a mild 23°C (73°F), with an average of 8°C (46°F). The month experiences about 68 mm (2.7 in) of precipitation over 8 days, accompanied by a humidity level of 79%. In contrast, May showcases much warmer temperatures, with a minimum of 7°C (44°F), an average of 20°C (68°F), and a maximum that can reach up to 31°C (88°F). However, it also brings more moisture, with 163 mm (6.4 in) of precipitation spread over 12 days, resulting in a slightly higher humidity at 84%. For more detailed information about Fukuoka's weather during this month, check out Fukuoka weather in May.
In December, the weather is notably cooler with average temperatures ranging from a chilly 1°C (34°F) to a warmer 23°C (73°F). The month sees around 68 mm (2.7 in) of precipitation over approximately 8 days, with humidity levels hovering at 79%. In contrast, June brings much warmer conditions, featuring average temperatures from 14°C (58°F) to a peak of 33°C (91°F). June experiences higher precipitation at 199 mm (7.8 in) across 14 days and slightly increased humidity at 86%. For more details on the weather specifics, you can check Fukuoka weather in June.
December and July showcase dramatically contrasting weather patterns. In December, temperatures range from a chilly minimum of -1°C (31°F) to a mild maximum of 23°C (73°F), with an average of 8°C (46°F). The month experiences 68 mm (2.7 in) of precipitation over about 8 days and a humidity level of 79%. In stark contrast, July boasts much warmer temperatures, with a minimum of 18°C (64°F), an average of 27°C (81°F), and a sweltering maximum of 36°C (98°F). This month also sees significantly more rainfall, totaling 367 mm (14.4 in) over approximately 20 days, with higher humidity at 92%. For more details on July weather in Fukuoka, you can visit Fukuoka weather in July.
Comparing the weather in December and August reveals striking contrasts in temperature, precipitation, and humidity. December features a much cooler climate with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 23°C (73°F), characterized by higher humidity levels of 79%. In contrast, August boasts much warmer temperatures, with averages between 19°C (66°F) and 37°C (100°F) and significantly higher precipitation of 303 mm (11.9 in) spread over 15 days, resulting in a humidity level of 91%. This difference highlights December's crispness and relative dryness compared to the hot and humid conditions of August. For more detailed insights, visit Fukuoka weather in August.
December and September present contrasting weather patterns. In December, temperatures range from a chilly minimum of -1°C (31°F) to a maximum of 23°C (73°F), with an average of 8°C (46°F). The month experiences moderate precipitation, totaling 68 mm (2.7 in) over 8 days, and humidity levels hover around 79%. In stark contrast, September boasts much warmer conditions, with temperatures swinging from a minimum of 13°C (56°F) up to a scorching 35°C (96°F), averaging 24°C (76°F). This month is significantly wetter, receiving 206 mm (8.1 in) of rainfall over 15 days and exhibiting slightly higher humidity at 84%. For more details on September weather, check out Fukuoka weather in September.
When comparing the weather in December and October, a noticeable shift in temperature and precipitation is evident. December features a much cooler climate with average temperatures ranging from a chilly min of -1°C (31°F) to a max of 23°C (73°F), while October boasts milder averages from 8°C (47°F) to a warm 32°C (89°F). In terms of precipitation, October is wetter, receiving 113 mm (4.5 in) over 10 days compared to December’s 68 mm (2.7 in) over 8 days. Additionally, humidity remains relatively high in both months, with December at 79% and October slightly higher at 83%. For more detailed information on October conditions, visit Fukuoka weather in October.
In comparing the weather between November and December, December tends to be slightly cooler, with an average temperature of 8°C (46°F) compared to November's 13°C (56°F). The maximum temperatures are also lower, reaching up to 23°C (73°F) in December versus 25°C (77°F) in November. December experiences slightly more rainfall, with 68 mm (2.7 in) over 8 days, while November sees 52 mm (2.1 in) over 7 days. Additionally, humidity levels remain high in both months, with December at 79% and November at 81%. For more detailed information, you can check Fukuoka weather in November.
As December sweeps into Fukuoka, the weather showcases a delightful mix of coolness and occasional warmth, making it a unique transition from the milder autumn months. With an average temperature of 8°C (46°F), chilly mornings often give way to pleasantly mild afternoons, where daytime highs can reach up to 23°C (73°F). However, the nights can be quite brisk, dipping to a minimum of -1°C (31°F). Additionally, December sees a modest amount of rainfall, with about 68 mm (2.7 in) spread over approximately 8 days, and a humidity level of around 79%, painting a picture of a crisp yet refreshing month. For more detailed insights into the weather patterns in this vibrant city, visit Fukuoka Climate.