Last updated: August 21, 2025
In January, Yonakuni, Japan experiences a mild climate characterized by an average temperature of 20°C (68°F), making it a pleasant winter destination. The temperature ranges from a maximum of 25°C (77°F) to a minimum of 12°C (53°F), providing a comfortable environment for exploration. However, visitors should be prepared for the possibility of rain, as the region receives a notable 133 mm (5.2 in) of precipitation over approximately 18 days, accompanied by a humidity level of 76%. This combination can create a lush, vibrant landscape, perfect for those seeking a unique winter experience.
In Yonakuni, Japan, January temperatures offer a mild reprieve from winter chill, with a minimum of 12°C (53°F) and a comfortable average of 20°C (68°F). The month sees a maximum peak reaching 25°C (77°F), making it one of the cooler months, yet still pleasantly warm compared to many regions. As winter transitions to early spring, a gradual increase in temperatures continues into February, where the minimum rises slightly to 13°C (55°F). This trend of mild temperatures paves the way for warmer months ahead, ultimately leading into the summer highs that can soar beyond 30°C (86°F) in the ensuing months. Overall, January in Yonakuni stands out for its gentle warmth, perfectly setting the stage for the inviting climate that characterizes the region throughout the year.
In January, Yonakuni, Japan experiences a moderate precipitation of 133 mm (5.2 in) over 18 days, setting the stage for a wetter season ahead. This initial amount is slightly lower than February's 141 mm (5.5 in), hinting at a gradual increase as winter transitions into spring. As the months progress, rainfall tends to escalate significantly, culminating in June and August, which see the highest averages of 215 mm (8.5 in) and 221 mm (8.7 in) respectively. This upward trend in precipitation not only underscores the region's diverse climate but also prepares the landscape for the lush greenery typical of summer. The pattern indicates a continued wet phase leading into the late year, where December peaks with 237 mm (9.3 in)—a dramatic contrast that highlights the region's dynamic weather cycles.
In January, Yonakuni, Japan experiences a humidity level of 76%, setting the stage for a generally moist winter. As the seasons progress into February, humidity slightly decreases to 74%, but this brief dip is soon followed by a rise in March to 79%. The spring months continue to see an upward trend, with April and May reaching 82% and 84% respectively, indicating a transition to a more humid atmosphere. This high humidity persists through the summer, stabilizing at 84% from June to July before gradually tapering off to 83% in August. As autumn arrives, humidity begins its slow decline, with September at 82% and October at 81%, before closing the year with 78% in December. Throughout the year, it’s evident that Yonakuni maintains high humidity levels, with only mild fluctuations that contribute to the region's lush environment.
In January, Yonakuni, Japan experiences a UV Index of 8, categorized as very high, which indicates a potential burn time of just 15 minutes. This sets the stage for a trend of increasing UV exposure as the year progresses. By February, the index climbs to 10, still maintaining a very high risk. The intensity continues to soar in the following months, peaking at an extreme UV Index of 13 from March through August, where the burn time shortens to only 10 minutes. As autumn approaches, the UV levels begin to taper off, with a 10 in October and a 9 in November, providing some relief before falling to a 7 in December. This seasonal pattern highlights the importance of sun protection during the winter and spring months. To learn more about UV trends year-round, visit Yonakuni UV Index.
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In Yonakuni, Japan, January starts the year with 124 hours of sunshine, a gentle beginning that hints at the increasing luminosity to come. As winter transitions into spring, February sees a notable uplift to 184 hours, setting the stage for brighter days ahead. With each passing month, the sun's presence becomes more commanding, peaking in the summer months of July and August with remarkable averages of 339 and 320 hours, respectively. This sunny trend begins to taper off in the fall, as October reflects 259 hours before slipping to 166 hours in December. Overall, the data reveals a predictable rhythm of sunshine that brightens Yonakuni's seasons, inviting both residents and visitors to embrace the vibrant transformations throughout the year.
In Yonakuni, Japan, January boasts a relatively low 16% chance of sunny weather, making it one of the cloudier months of the year. This trend continues into February, where the likelihood of sunshine rises significantly to 39%, indicating a promising shift as winter begins to wane. As spring approaches, March and April hover around a moderate 33% and 36%, respectively, signaling an upward trend in clear skies. Interestingly, the chances of sunny days fluctuate throughout the year, peaking in September at 63%, showcasing the seasonal variation that characterizes this picturesque locale. So, while January may not be the sunniest month, it's a precursor to brighter days just around the corner.
In Yonakuni, Japan, the month of January welcomes just 10 hours of daylight, signaling the heart of winter and the gradual return of the sun's warmth. As February approaches, daylight begins to extend to 11 hours, hinting at the promise of spring. March sees this trend continue, with an increase to 12 hours, which remains steady through April before transitioning into May, where daylight reaches 13 hours. This longer daylight sustains through the summer months of June and July, delighting residents with ample sunshine. However, as August rolls in, daylight starts to taper off, returning to 12 hours by September. The descent into autumn brings back 11 hours in October and returns to 10 hours by November and December, closing the year with a familiar winter's embrace. This cyclical pattern showcases the changing seasons in Yonakuni, where daylight duration plays a significant role in the rhythm of life.
In January, Yonakuni experiences its average wind speed at 8.1 m/s (18 mph), marking the start of the year with brisk breezes that bring a refreshing chill to the air. As winter progresses into February and March, the winds begin to ease, averaging around 6.3 m/s (14 mph) and 6.1 m/s (14 mph) respectively, providing a noticeable drop in intensity. The trend continues into April and May, where the winds hover around 6.4 m/s (14 mph) and 5.8 m/s (13 mph), suggesting a calming of the atmosphere as spring approaches. By June, the winds further decline to 4.1 m/s (9 mph), welcoming warmer days, before gradually picking up again in the summer months. This pattern reveals a natural ebb and flow, with July and August seeing moderate winds at 6.0 m/s (13 mph) and 5.0 m/s (11 mph), creating a backdrop for the stunning coastal views. The autumn months bring a revival of gusty conditions, peaking in November at 7.5 m/s (17 mph) and wrapping up the year in December with a brisk 8.4 m/s (19 mph), hinting at the cyclical nature of Yonakuni's winds.
Weather in Yonakuni varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Yonakuni, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather features a minimum temperature of 12°C (53°F) and averages around 20°C (68°F), with a maximum reaching 25°C (77°F). This month experiences a total precipitation of 133 mm (5.2 in) over 18 days, accompanied by a humidity level of 76%. In contrast, February sees a slight increase in the minimum temperature to 13°C (55°F) while maintaining the same average and maximum temperatures. Precipitation also rises slightly to 141 mm (5.5 in), although it continues to occur over 18 days. The humidity decreases marginally to 74%. For more detailed insights into February's climate, visit Yonakuni weather in February.
In January, the weather is relatively mild with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (77°F) and an average of 20°C (68°F). During this month, the region experiences significant precipitation, totaling 133 mm (5.2 in) over 18 days, along with a humidity level of 76%. By March, the temperatures rise slightly, with minimums at 16°C (61°F) and maximums of 26°C (80°F), averaging 22°C (71°F). However, March also sees an increase in rainfall, with precipitation reaching 195 mm (7.7 in) over 19 days and humidity rising to 79%. For more details on the weather in March, you can visit Yonakuni weather in March.
In January, the weather is milder, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (77°F) and an average temperature of 20°C (68°F). It experiences significant precipitation, with 133 mm (5.2 in) over 18 days, and a humidity level of 76%. By April, the weather warms up, featuring a minimum temperature of 17°C (63°F) and a maximum of 28°C (83°F), with an average of 23°C (74°F). Precipitation increases to 179 mm (7.0 in), occurring over 16 days, and humidity rises slightly to 82%. For more detailed insights on the weather during this month, refer to Yonakuni weather in April.
In January, the weather is relatively mild with minimum temperatures around 12°C (53°F) and average highs reaching 25°C (77°F). There are 18 days of precipitation totaling 133 mm (5.2 in), contributing to a humidity level of 76%. In contrast, May experiences warmer conditions, with minimum temperatures rising to 21°C (70°F) and averages peaking at 29°C (85°F). Although May has slightly less rainfall days (16 days), it sees higher total precipitation of 180 mm (7.1 in) and increased humidity at 84%. For more specifics on the climate during this month, check out Yonakuni weather in May.
In comparing the weather of January and June, January boasts milder temperatures with a minimum of 12°C (53°F) and an average of 20°C (68°F), while June experiences significantly warmer conditions, with a minimum of 25°C (77°F) and an average of 28°C (83°F). January also has lower precipitation at 133 mm (5.2 in) over 18 days, compared to June's wetter climate, which sees 215 mm (8.5 in) of rainfall across 19 days. Moreover, humidity levels increase slightly from January's 76% to June's 84%, contributing to the more tropical atmosphere felt during the summer months. For more detailed information, check out Yonakuni weather in June.
In January, the weather is mild, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (77°F) and an average of 20°C (68°F). This month sees considerable rainfall, averaging 133 mm (5.2 in) over 18 days, while the humidity is relatively high at 76%.
In contrast, July experiences a significant increase in warmth and humidity, with temperatures ranging from 26°C (79°F) to a maximum of 30°C (87°F), and an average of 29°C (84°F). Although it is warmer, July also has more precipitation, totaling 193 mm (7.6 in) over 16 days, coupled with even higher humidity levels at 84%. For a detailed look at the weather in July, check Yonakuni weather in July.
The weather comparison between January and August reveals significant differences in both temperature and precipitation levels. In January, temperatures range from a mild 12°C (53°F) at night to a comfortable 25°C (77°F) during the day, with an average of 20°C (68°F). However, this month also experiences considerable rainfall, with 133 mm (5.2 in) over 18 days and humidity levels around 76%.
In contrast, August is much warmer, with temperatures starting at a minimum of 26°C (79°F) and peaking at 31°C (87°F), leading to an average of 29°C (84°F). The month is marked by heavier rainfall, totaling 221 mm (8.7 in) across 19 days, and higher humidity at 83%. This stark difference in weather patterns illustrates the transition from the cooler, wetter January to the hot, humid August. For more details, check out Yonakuni weather in August.
In comparing the weather between January and September, it’s evident that September is significantly warmer. January experiences a minimum temperature of 12°C (53°F) and averages around 20°C (68°F), while September's temperatures start at a much higher minimum of 25°C (77°F) and average 28°C (83°F). Additionally, September sees more humidity, with a level of 82% compared to January's 76%. While February has slightly less rainfall with 133 mm (5.2 in) over 18 days, September receives more precipitation at 160 mm (6.3 in) but over only 16 days. For a detailed look at September weather patterns, you can refer to Yonakuni weather in September.
In January, the weather features a milder temperature range with minimums around 12°C (53°F) and maximums of 25°C (77°F), averaging at 20°C (68°F). The month experiences 133 mm (5.2 in) of precipitation over 18 days, with a humidity level of 76%. In contrast, October is noticeably warmer, with minimum temperatures of 21°C (71°F), averaging 26°C (79°F), and maximums reaching 29°C (85°F). The rainfall increases to 188 mm (7.4 in) over the same number of days but comes with a slightly higher humidity of 81%. For more details on October’s weather specifics, check out Yonakuni weather in October.
In January, temperatures range from a minimum of 12°C (53°F) to a maximum of 25°C (77°F), with an average of 20°C (68°F). This month experiences 133 mm (5.2 in) of precipitation over 18 days and has a humidity level of 76%. In contrast, November is warmer, with minimum temperatures starting at 20°C (68°F) and reaching up to 27°C (81°F), averaging around 24°C (76°F). Additionally, November sees more rainfall, totaling 195 mm (7.7 in) across 23 days, with humidity slightly higher at 80%. For more detailed information, you can check Yonakuni weather in November.
In comparing the weather between January and December, we see some notable differences. January typically experiences slightly cooler temperatures, with an average of 20°C (68°F) compared to December's average of 21°C (71°F). While the minimum temperature in January is 12°C (53°F), December has a marginally higher minimum of 13°C (56°F). Additionally, January sees less precipitation overall, with 133 mm (5.2 in) of rain over 18 days, whereas December has a significantly higher total of 237 mm (9.3 in) spread across 24 days, resulting in slightly higher humidity levels in December at 78% compared to January's 76%. For more detailed information on the weather patterns during this time, check out Yonakuni weather in December.
In January, Yonakuni experiences a refreshing climate, uniquely setting it apart from other months of the year. While temperatures are pleasantly mild, averaging around 20°C (68°F), the island witnesses a noticeable increase in rainfall, with 133 mm spread over roughly 18 days. This results in a higher humidity level of 76%, creating a lush environment that contrasts with the warmer and drier months ahead. Whether you're seeking a tranquil escape or culturally rich experiences, January offers a distinct charm that beckons exploration. For more insights into the diverse weather patterns of this captivating destination, check out Yonakuni Climate.