Last updated: August 21, 2025
In January, Ogasawara, Japan experiences a mild winter, with maximum temperatures reaching 24°C (75°F) and an average of 19°C (66°F). The nights can be cool, dipping to a minimum of 14°C (58°F). This month sees 59 mm (2.3 in) of rainfall over approximately 8 days, contributing to the humidity level of 69%. Visitors can enjoy a comfortable climate, ideal for exploring the natural beauty and unique biodiversity of this remote archipelago.
In January, Ogasawara, Japan, experiences mild and pleasant temperatures, with minimums averaging around 14°C (58°F) and maximums reaching perfect highs of 24°C (75°F). This early winter month showcases a comfortable average temperature of 19°C (66°F), setting a delightful tone for the season. As the year progresses into February and beyond, temperatures remain consistently warm, with minimal fluctuations. By March, the temperatures slightly rise, hinting at the approaching spring, while April ushers in even warmer days. The steady increase in temperatures culminates in the summer months, where maximums consistently hover between 27°C (81°F) and 30°C (86°F). Overall, January stands out as a charming time, embodying the transition from the coolness of winter to the warm embrace of spring, enhancing the allure of Ogasawara's tropical climate.
In January, Ogasawara experiences a moderate precipitation level of 59 mm (2.3 in), falling on 8 days throughout the month. This sets the stage for a gradual increase in rainfall as the year progresses, with February showing a dip to 37 mm (1.5 in) over 6 days, followed by a notable rise in March to 69 mm (2.7 in). As spring approaches, precipitation escalates sharply, peaking in May with 178 mm (7.0 in) and 12 rainy days, indicating the onset of the wet season. This trend of increasing rainfall continues, with September witnessing the highest accumulation at 181 mm (7.1 in) over 16 days. The monthly cycle clearly illustrates Ogasawara's transition from drier winter months to a lush, rain-soaked summer, highlighting the region’s dynamic climate.
In January, Ogasawara, Japan, experiences a humidity level of 69%, setting the tone for a month that feels fresh yet comfortable. This trend continues into February, maintaining the same humidity, but as spring approaches, a gradual rise begins. By March, humidity climbs to 74%, and this upward trajectory accelerates through the spring and summer, peaking at a humid 93% in June. The summer months, particularly July and August, remain notably humid, though slightly cooler at 88% and 84%, respectively. As the year progresses into fall, humidity gradually decreases, settling at 82% in October and further dropping to 75% by December. This seasonal shift highlights a clear pattern: Ogasawara's humidity begins relatively moderate in winter, intensifies through spring and summer, then gently wanes as autumn approaches, creating a dynamic yet predictable climatic rhythm.
In January, Ogasawara, Japan, experiences a UV Index of 7, placing it in the high exposure category, with an approximate burn time of 25 minutes. As winter transitions to spring, the UV levels rise sharply, culminating in extreme UV indexes from March to June, peaking at 13 in both April and July, with minimal burn times of just 10 minutes. This trend signifies a significant jump in sun intensity as the year progresses, urging residents and visitors alike to take precautions to shield themselves from harmful rays. The drop to a 6 in December offers a more forgiving sunlight exposure, yet the high levels in January remind us to remain vigilant. For more detailed insights on the UV trends throughout the year, explore Ogasawara UV Index.
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In Ogasawara, Japan, January marks the beginning of a gradual increase in sunshine hours, shining down for 174 hours as winter begins to recede. This trend continues into February, where the daylight expands to 227 hours, and by March, residents enjoy 270 hours of vibrant sunlight. The spring months maintain this illuminating momentum, with sunshine peaking at 302 hours in May, the sun making its presence felt every day. Interestingly, the sun's embrace slightly lessens in June but still hovers around 301 hours. The summer sets in with July boasting the most sunlight of the year at 342 hours, before trailing slightly in August and September with 327 and 309 hours respectively. As the year closes, the hours steadily decline, wrapping up with 216 hours in December, but the overall trend from January through the middle of the year highlights a delightful journey toward longer, sun-drenched days in this picturesque island locale.
In Ogasawara, Japan, January greets visitors with a 26% chance of sunny weather, marking it as one of the cloudier months of the year. As winter deepens, the likelihood of sunlight remains relatively low, yet there's a subtle progression towards warmer months, with February seeing a moderate increase to 34%. A notable trend emerges as spring approaches, where sunnier days become more frequent, culminating in March's impressive 47% chance. As we look toward the summer, August stands out with a peak likelihood of 52%, showcasing a vibrant contrast to the chillier beginnings of the year. Overall, January serves as a gentle reminder of Ogasawara's seasonal transitions, setting the stage for sunnier days ahead.
In Ogasawara, Japan, the daylight duration begins its gradual ascent in January, offering around 10 hours of light as winter settles in. As February rolls in, this time lengthens to 11 hours, heralding the early signs of spring. The trend continues with 11 hours of daylight in March and then blossoms into 12 hours by April, marking a shift towards longer, brighter days. May further embraces this increase, peaking at 13 hours, a duration that remains consistent through the summer months of June, July, and August. As September approaches, the sunlight begins to wane again, returning to 12 hours before slipping back to 11 hours in October. A return to shorter days is evident in November and December, where daylight dips back down to 10 hours, closing the seasonal cycle in harmony with winter's grip. This rhythmic pattern reflects the beautiful ebb and flow of daylight throughout the year in this serene Pacific paradise.
In Ogasawara, Japan, the January wind presents a brisk embrace, with average wind speeds reaching 7.4 m/s (17 mph). This consistent pace mirrors that of February, suggesting a stable start to the year where breezy conditions are the norm. However, as the seasons shift, the winds begin to mellow, tapering off to 6.6 m/s (15 mph) by March and further to 4.9 m/s (11 mph) in May—a trend indicating a gradual softening as spring blooms. The winds pick up again with the arrival of summer, peaking at 8.2 m/s (18 mph) in October, reflecting a dynamic interplay between seasons. Notably, the year closes with a return to brisk conditions—a steady 8.0 m/s (18 mph) in December, reminiscing the energizing winds of January. This cyclical dance of wind speeds highlights the region's distinct seasonal fluctuations, offering a captivating experience for those accustomed to its breezy charm.
Weather in Ogasawara varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Ogasawara, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather generally reflects mild temperatures, with a minimum of 14°C (58°F) and an average of 19°C (66°F), peaking at 24°C (75°F). The month experiences 59 mm (2.3 in) of precipitation spread over 8 days, while humidity remains steady at 69%.
In contrast, February sees a slight decrease in average temperature, dropping to 18°C (65°F) with similar minimum and maximum values of 14°C (58°F) and 23°C (73°F) respectively. Precipitation also diminishes to 37 mm (1.5 in), occurring over just 6 days, yet the humidity remains constant at 69%.
For a detailed look at February's weather patterns, you can visit this link: Ogasawara weather in February.
In January, the weather features a mild temperature range with a minimum of 14°C (58°F) and an average of 19°C (66°F), peaking at 24°C (75°F). The month experiences around 59 mm (2.3 inches) of precipitation over 8 days, with humidity levels at 69%. In contrast, March sees slightly warmer temperatures, starting at a minimum of 15°C (59°F) and averaging 20°C (68°F), while the maximum reaches 23°C (74°F). Precipitation increases to 69 mm (2.7 inches) over 9 days, and humidity rises to 74%. This reflects a transition into spring, with March being just a touch wetter and more humid than January. For more details, check out Ogasawara weather in March.
In January, the weather features a mild range of temperatures, with minimums around 14°C (58°F) and average highs reaching 24°C (75°F), accompanied by 59 mm (2.3 in) of precipitation spread over 8 days. With a humidity level of 69%, the air might feel comfortable but somewhat damp. In contrast, April enjoys slightly warmer conditions, with minimum temperatures of 16°C (60°F), average temperatures rising to 21°C (70°F), and maximums hitting 25°C (77°F). However, it also experiences increased rainfall, totaling 94 mm (3.7 in) over 9 days, and a higher humidity of 81%. For more detailed information about April's weather, check out Ogasawara weather in April.
In January, the weather is relatively mild with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 24°C (75°F), averaging around 19°C (66°F). The month experiences about 59 mm (2.3 in) of precipitation over approximately 8 days, accompanied by a humidity level of 69%. In contrast, May sees warmer conditions, with temperatures starting at a minimum of 18°C (65°F) and peaking at 27°C (81°F), averaging 23°C (74°F). However, it also brings significantly more rainfall, totaling 178 mm (7.0 in) over 12 days, and an increase in humidity to 87%. For a more detailed view of May's weather patterns, check out Ogasawara weather in May.
In comparing January and June weather, January features milder temperatures with a minimum of 14°C (58°F) and an average of 19°C (66°F), while June experiences warmer conditions, starting at a minimum of 21°C (70°F) and averaging 26°C (79°F). Precipitation also varies significantly; January sees 59 mm (2.3 in) across 8 days, whereas June is much wetter, accumulating 166 mm (6.5 in) over 13 days. Additionally, June's humidity peaks at 93%, compared to January's more comfortable 69%. For a closer look at the specifics of June weather in Ogasawara, you can visit Ogasawara weather in June.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 24°C (75°F). The month sees an average temperature of 19°C (66°F) and experiences about 59 mm (2.3 in) of precipitation over approximately 8 days, accompanied by a humidity level of 69%. In contrast, July brings warmer and more humid conditions, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F). The average temperature rises to 27°C (81°F), while precipitation increases to 100 mm (3.9 in) over 14 days, resulting in a significant boost in humidity at 88%. For a more detailed view of July weather, you can check Ogasawara weather in July.
January and August present strikingly different weather patterns. In January, temperatures range from a mild 14°C (58°F) at night to a comfortable 24°C (75°F) during the day, with an average of 19°C (66°F). The month experiences 59 mm (2.3 in) of rainfall over approximately 8 days, accompanied by a moderate humidity level of 69%. In contrast, August brings considerably warmer conditions, with temperatures ranging from 26°C (79°F) to a peak of 29°C (85°F), averaging around 28°C (82°F). This month also sees increased precipitation, totaling 93 mm (3.7 in) over about 13 days, and heightened humidity at 84%. For those interested in more details about August weather, you can visit Ogasawara weather in August.
In January, the weather is notably cooler with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 24°C (75°F), and an average of 19°C (66°F). The month experiences relatively low precipitation at 59 mm (2.3 in) over about 8 days, accompanied by a humidity level of 69%. In contrast, September brings significantly warmer temperatures, with a minimum of 25°C (77°F) and a high of 30°C (86°F), averaging 28°C (82°F). However, September sees much more rainfall, totaling 181 mm (7.1 in) over 16 days, and humidity rises to 85%. For more detailed information, you can check this link: Ogasawara weather in September.
In comparing the weather between January and October, January enjoys milder temperatures, ranging from a minimum of 14°C (58°F) to a maximum of 24°C (75°F), with an average of 19°C (66°F). It experiences relatively low precipitation, averaging 59 mm (2.3 in) over 8 days and maintaining a humidity level of 69%. In contrast, October features warmer conditions, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 29°C (85°F), averaging 27°C (81°F). However, October is also significantly wetter, receiving 158 mm (6.2 in) of rain over 19 days, and experiencing higher humidity at 82%. For more details on October's weather, you can visit Ogasawara weather in October.
January and November in Ogasawara showcase distinct weather patterns. In January, temperatures range from a minimum of 14°C (58°F) to a maximum of 24°C (75°F), with an average temperature of 19°C (66°F). The month experiences about 59 mm (2.3 in) of precipitation over 8 days, coupled with a humidity level of 69%. In contrast, November offers warmer conditions, with temperatures fluctuating between 19°C (67°F) to 27°C (81°F) and an average of 24°C (76°F). However, it also sees increased rainfall, totaling 131 mm (5.1 in) across 14 days and higher humidity at 80%. For more details on November weather, you can visit Ogasawara weather in November.
In January, the weather is generally milder with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 24°C (75°F), compared to December's slightly warmer temperatures, which range from 17°C (63°F) to 26°C (78°F). Additionally, January experiences less precipitation, totaling 59 mm (2.3 in) over about 8 days, whereas December sees significantly higher rainfall of 167 mm (6.6 in) over 11 days. Humidity levels are also slightly lower in January at 69%, compared to December's 75%. For a more detailed look at December conditions, you can check out this link: Ogasawara weather in December.
As you explore the January weather in Ogasawara, you'll discover a delightful blend of mild temperatures and moderate humidity that sets it apart from other months. With average temperatures hovering around a pleasant 19°C (66°F) and infrequent rain—only about eight days of precipitation—this time of year offers a refreshing escape from harsher winters found elsewhere. While it may not be the peak tourist season, January provides a unique atmosphere to experience the natural beauty and tranquility of the islands. For a deeper dive into how Ogasawara's climate evolves throughout the year, visit Ogasawara Climate.