Last updated: August 21, 2025
In December, Miyazaki, Japan experiences a mild climate characterized by a maximum temperature of 21°C (71°F) and an average of 12°C (54°F), providing a comfortable backdrop for winter activities. While temperatures can dip to a minimum of 3°C (38°F), the city's humidity levels remain relatively high at 74%, adding a unique chill to the air. Rainfall is common this month, with 68 mm (2.7 in) of precipitation spread over approximately 7 days, making it important for visitors to prepare for occasional showers. Overall, December in Miyazaki offers a refreshing blend of warmth and coolness, perfect for exploring the region's natural beauty.
In Miyazaki, Japan, December marks a transition as temperatures begin to dip, signaling the onset of winter. The month showcases a minimum of 3°C (38°F), providing a cooler backdrop compared to the mild conditions of November. With an average temperature of 12°C (54°F) and a maximum reaching 21°C (71°F), December is characterized by crisp yet enjoyable days, making it an ideal time for outdoor exploration without the extremes of winter chill. While the mercury may drop, the vibrant scenery and pleasant daylight hours invite residents and visitors alike to bask in the charm of this coastal city during the festive season.
In December, Miyazaki experiences a notable decline in precipitation, with only 68 mm (2.7 in) of rain recorded over 7 days. This marks a significant reduction compared to the wetter months preceding it, particularly June and July, which see over 300 mm of rain on average. As the year concludes, the transition to a drier pattern becomes clear, falling into the winter months where precipitation tapers off. This shift highlights the region's seasonal variability, with December offering a respite from the heavy rainfall, making it a relatively calm month in terms of weather.
In Miyazaki, Japan, December marks a slight dip in humidity, averaging 74%, following the year's more humid months. As the seasons transition, humidity levels generally exhibit a gradual increase from January's 72% to a peak in July at 90%. This is followed by a slow decline towards December. Notably, the winter months experience lower humidity compared to the summer, which is characterized by a peak in moisture due to the warm temperatures. December's humidity is refreshingly moderate compared to the preceding sweltering months, providing a comforting atmosphere as the year comes to a close.
In December, Miyazaki experiences a noticeable shift in the UV Index, dropping to a moderate 4. This reduction signifies longer protective exposure times, with a burn time of 30 minutes, allowing residents and visitors to enjoy outdoor activities with greater safety. Following a summer of extreme levels peaking at 12 in May through September, the UV Index steadily declines towards the end of the year, with January starting at 5 and gradually settling down by December. This trend highlights the seasonal variations in UV radiation, making it essential to stay informed about the UV levels throughout the year. For more detailed information, check the Miyazaki UV Index.
UV Risk Categories
In Miyazaki, Japan, December welcomes visitors with a generous 232 hours of sunshine, reflecting a mild drop from the sunlit heights of August, which boasts an impressive 303 hours. As the year winds down, the sunny disposition of Miyazaki is consistent, maintaining warmth and brightness reminiscent of the vibrant spring months. Notably, the sunshine hours in December, while slightly less than those in the preceding months, still signal a charming end to the year, aligning closely with the autumnal glow observed in November. This trend underscores Miyazaki's unique climate, where even the depths of winter remain bright and inviting, making it an ideal destination for those seeking to escape the harsher cold found elsewhere.
In December, Miyazaki, Japan enjoys a notably increased likelihood of sunny weather, with a 74% chance of sunshine, making it one of the sunniest months of the year. This marks a significant rise compared to the preceding months, where the chances of sun dip dramatically during the summer, with June, July, and August plummeting to 20% or lower. As the year winds down, December's sunny disposition emerges as a bright contrast to the typically cloudy days of spring and early summer. This trend highlights Miyazaki's appeal for those seeking a pleasant getaway in the late autumn and winter months, where vibrant sunshine is a comforting companion to the cooling temperatures.
In Miyazaki, Japan, the daylight duration throughout the year showcases a distinct rhythm, reflecting the changing seasons. Starting from 10 hours in December, daylight begins to gradually lengthen, reaching a peak of 14 hours by June. This vibrant cycle sees the sun shining for an increasingly generous 12 to 13 hours during the lush months of spring and summer. As autumn arrives, the daylight begins to wane again, dropping back to 10 hours by November and settling at the same duration for December. This ebb and flow of sunlight not only signifies the passage of time but also highlights the beauty of nature's cycle in this coastal city.
In Miyazaki, Japan, December welcomes a gentle breeze with an average wind speed of 3.5 m/s (8 mph), mirroring the calmer winds of both early spring and late autumn. As the year draws to a close, the wind patterns reflect a slight dip compared to the slightly breezier months of February and April, which experience winds of 4.6 m/s and 3.9 m/s, respectively. Overall, the December winds contribute to a serene ambiance, maintaining a consistent rhythm that underscores Miyazaki's mild winter climate. This predictability in wind patterns also fosters a delightful environment for outdoor activities, inviting residents and visitors to enjoy the tranquil beauty of the season.
Weather in Miyazaki varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Miyazaki, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be milder with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (71°F) and an average of 12°C (54°F). This month experiences about 68 mm (2.7 in) of precipitation over approximately 7 days, accompanied by a humidity level of 74%.
Contrastingly, January sees a slight dip in temperatures, with minimums dropping to 1°C (35°F) and maximums reaching only 19°C (67°F), averaging 10°C (50°F). Precipitation decreases to 59 mm (2.3 in) over about 5 days, and humidity is marginally lower at 72%. For more detailed insights about the weather in January, check out Miyazaki weather in January.
December and February showcase mild weather, though there are notable differences between the two months. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 21°C (71°F), with an average of 12°C (54°F) and a humidity level of 74%. December sees precipitation totaling 68 mm (2.7 in) over about 7 days, making it a relatively wet month.
In contrast, February has slightly cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 20°C (69°F), bringing an average of 10°C (51°F). It experiences more rainfall, with 107 mm (4.2 in) over 9 days, but the humidity is slightly lower at 68%. For more detailed information, you can check Miyazaki weather in February.
December weather tends to be cooler with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (71°F). It experiences about 68 mm (2.7 in) of precipitation over 7 days, contributing to a humidity level of 74%. In contrast, March brings slightly warmer temperatures, with a minimum of 6°C (43°F) and an average maximum of 22°C (72°F). However, it also sees increased rainfall, with 170 mm (6.7 in) recorded over 13 days, while humidity remains relatively stable at 72%. For a closer look at the weather specifics in March, you can check Miyazaki weather in March.
In December, the weather features cooler temperatures, with a minimum of 3°C (38°F) and an average of 12°C (54°F), peaking at 21°C (71°F). Precipitation is relatively moderate at 68 mm (2.7 in) over about 7 days, accompanied by a humidity level of 74%. In contrast, April brings warmer weather with a minimum of 8°C (47°F) and an average temperature of 17°C (62°F), reaching a maximum of 24°C (76°F). However, it is also wetter, with 139 mm (5.5 in) of rainfall spread over 10 days, and slightly higher humidity at 79%. For a detailed look at April's weather, check out Miyazaki weather in April.
In December, the weather tends to be cooler with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (71°F). The month experiences moderate precipitation, totaling about 68 mm (2.7 in) over approximately 7 days, and humidity levels are around 74%. In contrast, May brings warmer and more humid conditions, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 27°C (81°F). The month sees significantly higher rainfall, accumulating to 218 mm (8.6 in) over about 12 days, and humidity levels rise to 83%. For a detailed overview, you can check Miyazaki weather in May.
In December, the weather is characterized by milder temperatures, with a minimum of 3°C (38°F) and an average of 12°C (54°F), peaking at 21°C (71°F). The month sees approximately 68 mm (2.7 in) of precipitation over 7 days, coupled with a humidity level of 74%. In contrast, June presents a warmer climate, boasting a minimum temperature of 18°C (64°F) and an average of 23°C (74°F), reaching a maximum of 29°C (84°F). However, June is significantly wetter, with 299 mm (11.8 in) of rain across 17 days and higher humidity at 86%. For more details on the weather during this month, check Miyazaki weather in June.
In December, the weather in Miyazaki is relatively mild, with temperatures ranging from a chilly 3°C (38°F) at night to a comfortable high of 21°C (71°F) during the day. The month sees about 68 mm (2.7 in) of precipitation over an average of 7 days, with humidity levels at 74%. In contrast, July is significantly warmer and more humid, with nighttime lows of 22°C (72°F) and daily averages reaching 26°C (80°F), peaking at a sweltering 31°C (88°F). July experiences much higher rainfall, with 332 mm (13.1 in) spread across 19 days, and an increased humidity level of 90%. For more detailed information on Miyazaki's weather during this hot summer month, check out Miyazaki weather in July.
December weather is notably cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (71°F) and an average of 12°C (54°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 7 days, contributing to a humidity level of 74%. In contrast, August boasts significantly warmer temperatures, with minima around 24°C (75°F), averages at 28°C (82°F), and highs reaching 33°C (91°F). This month experiences much higher rainfall, totaling 236 mm (9.3 in) across 16 days, and a humidity level of 85%. For more detailed insights into August's weather conditions, you can visit Miyazaki weather in August.
When comparing the weather in December and September, notable differences emerge. December experiences cooler temperatures, with an average ranging from a minimum of 3°C (38°F) to a maximum of 21°C (71°F), while September boasts much warmer conditions, averaging between 20°C (67°F) and 31°C (88°F). Precipitation is also a factor; December sees about 68 mm (2.7 in) over 7 days, contrasting sharply with September's much higher total of 317 mm (12.5 in) across 18 days. Additionally, humidity levels are relatively high in both months, with December at 74% and September slightly higher at 80%. For more detailed insights into Miyazaki’s weather during this time, you can check Miyazaki weather in September.
When comparing the weather in December and October, notable differences emerge. December sees cooler temperatures, with a minimum of 3°C and an average around 12°C, significantly lower than October's minimum of 14°C and an average of 22°C. While December has less overall precipitation at 68 mm over 7 days, October experiences a much wetter month with 223 mm falling across 11 days. Humidity levels are slightly lower in December at 74% compared to October's 78%. For more details about the conditions in October, you can check Miyazaki weather in October.
When comparing the weather in December to that of November, December tends to be cooler with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (71°F), while November showcases a milder climate with temperatures between 9°C (48°F) and 24°C (75°F). Rainfall in December is slightly less, totaling 68 mm (2.7 in) over about 7 days, compared to November's 88 mm (3.4 in) occurring over 8 days. Humidity remains fairly consistent, with December at 74% and November slightly higher at 76%. For more detailed information, you can check out Miyazaki weather in November.
As December rolls into Miyazaki, the weather undergoes a subtle yet notable transformation. The warmth of autumn begins to wane, giving way to cooler days, with temperatures dipping to an average of 12°C while still enjoying occasional peaks at 21°C. This month marks a shift toward more humid conditions, averaging 74%, and introduces increased precipitation, averaging about 68 mm over roughly 7 days—a refreshing change after the dryer months. While the evenings turn brisk with temperatures as low as 3°C, the overall mild climate continues to invite outdoor exploration. For those eager to learn more about what the weather has in store, detailed insights can be found at Miyazaki Climate.