Last updated: August 21, 2025
December in Miyakojima, Japan, offers a mild and inviting climate, with an average temperature of 22°C (71°F). The warm days see maximums reaching 26°C (79°F), while the nights can cool down to a refreshing 14°C (58°F). However, visitors should be prepared for rain, as the island experiences 229 mm (9.0 in) of precipitation over approximately 18 days throughout the month, accompanied by a humidity level of 77%. This enchanting blend of warmth and moisture creates a lush backdrop, perfect for exploring the island's natural beauty during the festive season.
In December, Miyakojima experiences a gradual transition towards cooler temperatures, but the climate remains pleasantly mild. The month begins with a minimum of around 14°C (58°F) and reaches an average of approximately 22°C (71°F), peaking at a comfortable maximum of 26°C (79°F). This represents a noticeable dip from the warmer autumn months, but still showcases the island's mild subtropical climate. As the year draws to a close, visitors can enjoy enjoyable outdoor activities, basking in ideal conditions that contrast sharply with colder regions. This month embodies a delightful blend of warmth and tranquility, making December an inviting time to explore the beautiful landscapes and vibrant culture of Miyakojima.
In December, Miyakojima experiences a notable spike in precipitation, recording 229 mm (9.0 in) of rain over 18 days. This amount highlights a continuation of the island's wet season, with December often seeing significant rainfall following the peak wet months of June and August. Compared to earlier in the year, like January with 90 mm, December stands out, showcasing the island's transition into the cooler, wetter winter months. The trend of increased rainfall paves the way for lush landscapes and vibrant ecosystems, making it a picturesque time for nature enthusiasts to explore the rich biodiversity of Miyakojima.
In December, Miyakojima, Japan experiences a notable shift in humidity as it drops to 77%, following a peak during the summer months that reached 86% in June. This decline marks a gradual transition towards the cooler winter season, which begins to pull moisture from the air. Interestingly, while humidity levels are highest in late spring and early summer, they remain relatively consistent throughout the rest of the year, fluctuating between 73% and 85%. December’s humidity is slightly lower than the previous months, reflecting the island's mild winter climate while still retaining a humid character characteristic of its subtropical environment. As the year winds down, the island's humidity remains comfortable, making it a pleasant time for visitors to enjoy the beautiful scenery.
In December, Miyakojima experiences a notable decrease in UV exposure compared to the preceding months, with a UV Index of 7, categorized as high. This marks a shift from the extreme levels seen throughout the summer, where the Index peaked at 13 for several consecutive months, prompting a burn time of just 10 minutes. As the year winds down, residents and visitors can safely enjoy the outdoors for up to 25 minutes without significant risk of sunburn, thanks to the more manageable UV levels. However, it remains wise to stay informed about UV conditions, as trends indicate a dramatic variation from January through November, underscoring the importance of sun safety year-round. For more details on UV exposure in this stunning locale, be sure to check the comprehensive guide on Miyakojima UV Index.
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In Miyakojima, Japan, December brings a blend of warmth and light with an impressive 201 hours of sunshine. While this shines brightly compared to the shorter days of winter elsewhere, it marks a gentle decline from the peak sunshine experienced in the summer months, particularly July's 333 hours and August's 316 hours. As the year draws to a close, the island transitions from the lush greenery of spring and summer to a milder autumn, with sunshine hours steadily decreasing from November's 231 hours. This trend reflects a harmonious rhythm of nature, as December's sunny days offer a delightful respite, inviting visitors to bask in the gentle glow of the season before the year wraps up.
In Miyakojima, Japan, December presents a moderate likelihood of sunny weather, with a 36% chance of sunshine. This figure reflects a notable decline from the sunnier months of September and October, which boast probabilities of 60% and 49%, respectively. As the year winds down, weather patterns in Miyakojima indicate increasing cloud cover compared to earlier months, although December still offers more sunny days than the summer months of June and July, known for their frequent rain. With 45% sunshine expected in November, December’s forecast signals a subtle transition toward winter, making it a transitional month where occasional sunny spells can still brighten your experience.
As the year winds down, Miyakojima experiences a fascinating rhythm of daylight that reflects the changing seasons. In December, daylight dwindles to 10 hours, mirroring the shorter days seen at the start of the year. The months leading up to December showcase a gradual increase in daylight, peaking at 13 hours in May through July. As autumn arrives, daylight gradually recedes, slipping back to 11 hours in October and 10 hours in both November and December. This seasonal ebb and flow not only highlights the island's tropical climate but also marks the approach of winter, reminding residents and visitors alike of nature's serene cycle.
As December settles in Miyakojima, the island experiences a notable uptick in wind speed, reaching an impressive 8.7 m/s (19 mph)—a figure that matches January's breezy start to the year. This trend highlights a fascinating oscillation in the island's climate, where winds generally fluctuate seasonally. After a gradual decline through the summer months, the winds pick up again in late autumn, peaking in December. This revitalizing breeze not only marks the end of the year but also envelops the island in a refreshing chill, making it a vibrant time to enjoy outdoor activities against the backdrop of Miyakojima’s stunning landscapes.
Weather in Miyakojima varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Miyakojima, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather conditions of December and January, December tends to be warmer, with average temperatures reaching up to 22°C (71°F) and a maximum of 26°C (79°F). It also experiences higher precipitation, totaling 229 mm (9.0 in) over about 18 days, contributing to a humidity level of 77%. Conversely, January sees a slight decrease in temperature, with an average of 20°C (68°F) and a maximum of 25°C (77°F). This month also features significantly lower rainfall, at 90 mm (3.6 in) across 12 days, leading to a slightly reduced humidity level of 73%. For more detailed insights into January weather, you can visit Miyakojima weather in January.
December and February exhibit distinct weather characteristics, with February being generally milder and less humid. In December, temperatures range from a minimum of 14°C (58°F) to a maximum of 26°C (79°F), with an average of 22°C (71°F). This month also experiences significant precipitation, totaling 229 mm (9.0 in) over 18 days, resulting in higher humidity levels at 77%. In contrast, February sees slightly cooler temperatures, with an average of 20°C (68°F) and maximum temperatures reaching 24°C (76°F). Precipitation drops to 74 mm (2.9 in) across 13 days, contributing to a lower humidity of 73%. For more detailed information, check out Miyakojima weather in February.
In December, the weather is generally warm with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (79°F) and an average of 22°C (71°F). However, it is also the wettest month, receiving 229 mm (9.0 in) of precipitation over 18 days, contributing to a consistent humidity level of 77%. In contrast, March experiences slightly warmer minima at 16°C (60°F) and slightly cooler maxima at 25°C (78°F), with an average temperature similar to December at 21°C (71°F). Precipitation in March is significantly less at 135 mm (5.3 in) over 13 days, maintaining the same humidity of 77%. This makes March a bit drier and more comfortable compared to the rainy December. For more details on the climate, you can check Miyakojima weather in March.
When comparing the weather in December and April, we can observe some notable differences. December generally has milder temperatures, with a minimum of 14°C (58°F) and an average of 22°C (71°F), while April tends to be warmer, starting at a minimum of 17°C (62°F) and averaging 23°C (73°F). Precipitation levels also differ, with December experiencing higher rainfall at 229 mm (9.0 in) over 18 days, compared to April's 126 mm (5.0 in) over just 12 days. Additionally, while December has a humidity level of 77%, April is slightly more humid at 83%. For more details, you can check Miyakojima weather in April.
In December, temperatures in Miyakojima range from a minimum of 14°C (58°F) to a maximum of 26°C (79°F), with an average of 22°C (71°F). The month experiences significant rainfall, with 229 mm (9.0 in) over 18 days, and humidity levels at 77%. In contrast, May sees warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 29°C (84°F), averaging 25°C (78°F). Rainfall is less frequent, totaling 157 mm (6.2 in) over 14 days, while humidity increases to 85%. For more detailed insights about May weather, visit Miyakojima weather in May.
In December, the weather features milder temperatures with a minimum of 14°C (58°F) and an average of 22°C (71°F), peaking at 26°C (79°F). Precipitation is significant, totaling 229 mm (9.0 in) over 18 days, accompanied by a humidity level of 77%. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 24°C (76°F) to an average of 28°C (82°F), reaching a maximum of 30°C (86°F). Rainfall slightly increases to 232 mm (9.2 in) across the same 18 days, but humidity rises to 86%, creating a noticeably more tropical feel. For more detailed information about June weather, you can visit Miyakojima weather in June.
December and July present notably different weather patterns. In December, temperatures are milder, with a minimum of 14°C (58°F) and an average of 22°C (71°F), reaching a maximum of 26°C (79°F). The month sees considerable precipitation, accumulating to 229 mm (9.0 in) over 18 days, with a humidity level of 77%. Conversely, July is significantly warmer, featuring minimum temperatures of 27°C (80°F), an average of 29°C (84°F), and a high of 30°C (87°F). The precipitation is slightly lower at 221 mm (8.7 in) over just 14 days, but humidity rises to a higher 84%. For a more detailed look at July's conditions, refer to Miyakojima weather in July.
In December, the weather is generally milder, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (79°F). It experiences total precipitation of 229 mm (9.0 in) over 18 days, contributing to a humidity level of 77%. In contrast, August brings hotter conditions, with minimum temperatures of 26°C (79°F) and maximums reaching 30°C (87°F). This month sees even more rain, averaging 279 mm (11.0 in) of precipitation over 21 days, along with slightly higher humidity at 82%. For a closer look at weather patterns during this vibrant month, visit Miyakojima weather in August.
When comparing the weather in December and September, December tends to be cooler with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (79°F), while September offers warmer conditions, with temperatures averaging between 25°C (77°F) and 30°C (87°F). In terms of precipitation, both months experience significant rainfall; December records 229 mm (9.0 in) over 18 days, while September has slightly more with 260 mm (10.3 in) over 17 days. The humidity levels are also notable, with December averaging 77% compared to September's higher average of 83%. For more details on September weather in Miyakojima, you can check this link: Miyakojima weather in September.
When comparing the weather in December to October, notable differences emerge. In December, the temperatures range from a minimum of 14°C (58°F) to a maximum of 26°C (79°F), with an average of 22°C (71°F). This is cooler than October, where temperatures hover higher, with minimums of 22°C (72°F) and maximums reaching 29°C (85°F), the average being 26°C (79°F). Precipitation also plays a role; December sees more rain with 229 mm (9.0 in) over 18 days, compared to October's 140 mm (5.5 in) over 15 days. Humidity levels are slightly lower in December at 77%, while October maintains a higher humidity of 81%. For a detailed look at October's weather, you can check Miyakojima weather in October.
In comparing the weather between November and December, December tends to be cooler with minimum temperatures dropping to 14°C (58°F), while November maintains a warmer minimum of 20°C (68°F). The average temperature in November is also slightly higher at 24°C (76°F), compared to December's average of 22°C (71°F). Additionally, December experiences significantly more rainfall, totaling 229 mm (9.0 in) over 18 days, compared to just 123 mm (4.9 in) across 13 days in November. Humidity remains fairly consistent, with December at 77% and November slightly higher at 81%. For a more detailed view of November's weather, you can check Miyakojima weather in November.
As December unfolds in Miyakojima, the island experiences a unique shift in its climate, offering a refreshing change from the warmer months. While temperatures remain relatively mild, averaging around 22°C (71°F), the increase in precipitation and higher humidity levels—often peaking at 77%—bring lush greenery and a vibrant atmosphere. Unlike the summer heat, December's weather is characterized by a balanced coolness, making it an ideal time for exploring the island's natural beauty without the oppressive warmth. It's important to remember that with approximately 18 days of rain, planning outdoor activities requires a bit of flexibility. For a deeper dive into the enchanting weather patterns of this tropical paradise, visit Miyakojima Climate.