Last updated: August 21, 2025
In January, Choshi, Japan, experiences a crisp winter climate characterized by a maximum temperature of 17°C (63°F) and an average of 8°C (46°F). The month brings a minimum temperature of 0°C (32°F), creating a chilly atmosphere especially during the nights. With precipitation totaling 65 mm (2.6 in) over approximately 7 days, residents can expect a mix of overcast skies and occasional rain showers. The humidity level hovers around 70%, contributing to a damp but invigorating winter experience in this coastal city.
In January, Choshi, Japan, experiences a notable winter chill, with temperatures ranging from a brisk 0°C (32°F) to a mild 17°C (63°F) during the day. The average temperature hovers around 8°C (46°F), setting the stage for a tranquil winter landscape. As the month progresses, the chill gradually starts to ease, reflecting a trend toward warmer conditions leading into February, where temperatures rise slightly, with nights remaining just above freezing. This gradual warming continues into the following months, signaling the transition from winter to the more temperate early spring, where March brings an uptick in average temperatures to 11°C (53°F) and peaks at 20°C (69°F) by month's end. The shifting temperatures not only enhance the picturesque beauty of Choshi’s winter scenery but also hint at the vibrant spring that awaits just around the corner.
In January, Choshi, Japan, experiences a moderate precipitation amount of 65 mm (2.6 in), falling over 7 days of the month. This sets a foundation for the wetter months ahead, as the precipitation gradually increases, peaking in the summer with July's 201 mm (7.9 in) and October's impressive 274 mm (10.8 in). Interestingly, January's precipitation aligns with February's slightly lower total of 59 mm (2.3 in), indicating a brief dry spell before the onset of the spring rains. As winter gives way to spring and summer, the trend reveals a sharp rise in rainfall, hinting at the increasing humidity and warmer temperatures. The patterns observed underscore Choshi's dynamic climate, where each month transitions into a significantly wetter phase, highlighting the region's rich seasonal cycle.
In January, Choshi, Japan experiences a comfortable humidity level of 70%, setting the stage for a winter that feels crisp yet mild. As the months progress, a gradual decline in humidity is observed, with February and March dipping to 69% and 68%, respectively, ushering in a brief period of drier conditions. However, as spring blooms, April's humidity rises to 73%, signaling the approach of the more humid summer months. By May, humidity climbs significantly to 81%, and it continues its upward trajectory, peaking at a sweltering 94% in July. The trend slightly recedes in August and September with humidity levels of 87% and 83%, before descending again in October and November, reaching 78% and 74%. As December rolls in, humidity stabilizes at 72%, providing a soft landing back into winter and completing the cycle. This rhythm of humidity not only shapes Choshi's climate but also its seasonal character, blending the warmth of summer with the coolness of winter.
In Choshi, Japan, January experiences a moderate UV Index of 3, allowing for a comfortable outdoor experience with a burn time of about 30 minutes. As the months progress, the UV Index steadily climbs, reaching 5 in February and then 8 in March, indicating a notable shift towards higher sun exposure risks. By April, UV levels peak at 10, and then they surmounted to an extreme Index of 11 from May through July, where sun protection becomes crucial, with burn time dropping to just 10 minutes. The trend reflects a powerful sun intensity as summer approaches, before tapering off in August and September with a return to very high levels. The UV Index decreases further into autumn, providing some relief as temperatures drop, returning to 5 in November and 4 in December. For those planning outdoor activities, it’s vital to stay informed about the changing UV levels throughout the year by checking the Choshi UV Index.
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In Choshi, Japan, January begins the year with a modest 184 hours of sunshine, setting the stage for a gradual increase as winter gives way to spring. As February unfolds, the hours rise to 226, hinting at the optimism of early blooms. By March and April, the sun bathes Choshi in 251 and 276 hours respectively, fostering a vibrant landscape. The trend continues into May, with sunlight reaching 292 hours, a clear indication of the approaching warmth of summer. June experiences a slight dip to 273 hours, but July and August celebrate the peak of sunshine, boasting 277 and a radiant 311 hours. As autumn settles in, the daylight hours gradually decrease, with September at 251 and October at 217, yet the sun remains a steadfast presence into November with 223 hours, and finally, December concludes the year with 220 hours. This shifting rhythm of sunlight not only marks the seasons but also enriches Choshi's picturesque beauty.
In Choshi, Japan, the likelihood of sunny weather in January stands at a respectable 53%, marking a transitional phase as winter gives way to early signs of spring. This percentage is notably higher than the following month, February, which enjoys a 64% chance of sunny days, indicating a trend towards increased sunshine as the season progresses. However, come March, the sunny days dip significantly to 39%. As the year unfolds, the chances of sunny weather fluctuate, reflecting a dynamic pattern where spring often presents the best prospects, while summer and autumn reveal a decline, particularly in May and June, where the likelihood drops to 23% and 24% respectively. This ebb and flow of sunshine makes January a promising month for enjoying clear skies before the more variable weather of spring.
In Choshi, Japan, January heralds the new year with a consistent 10 hours of daylight, setting a tranquil tone that continues into February. As spring approaches in March, daylight begins to stretch slightly longer, reaching 11 hours, and this gradual increase continues into April, where residents enjoy 13 hours of light. May and June bring the peak of daylight enjoyment, with 14 hours illuminating the days, perfect for outdoor activities as the summer season kicks in. As the year progresses, daylight starts to wane again, with August slightly dropping to 13 hours, and continuing its decline through the autumn months to 10 hours in November. By December, the daylight dips further to 9 hours, concluding the year on a reflective note as the cycle of light and dark begins anew. This rhythm of daylight highlights the seasonal shifts that characterize life in Choshi, inviting both residents and visitors to embrace the unique beauty of each time of year.
In Choshi, Japan, January is characterized by a brisk average wind speed of 5.3 m/s (12 mph), setting the tone for the winter months. As the year progresses into February and March, the winds remain relatively steady, only slightly increasing to 5.4 m/s. A gradual uptick occurs in April, with winds reaching 5.9 m/s—the first notable spike of spring. However, as summer approaches, wind speeds decline, hitting a low of 3.7 m/s (8 mph) in July before steadily rising again in September and October, where they hover around 5.1 to 5.2 m/s. This cyclical pattern reveals that while January’s winds are invigorating, the tranquility of summer offers a sharp contrast, ultimately inviting a refreshing return to breezy autumn days.
Weather in Choshi varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Choshi, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit mild winter weather, with both months sharing similar average temperatures. January sees a temperature range from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), while February slightly increases with a minimum of 1°C (33°F) and a high of 18°C (65°F). Precipitation is slightly higher in January at 65 mm (2.6 in) compared to February's 59 mm (2.3 in), although February experiences more rainy days, totaling 10 compared to January's 7. Humidity levels remain consistent, with January at 70% and February slightly lower at 69%. For more details on February weather, visit Choshi weather in February.
In January, the weather is generally cool, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), and an average of 8°C (46°F). The month experiences around 65 mm (2.6 in) of precipitation over approximately 7 days, accompanied by a humidity level of 70%. In contrast, March sees a rise in temperatures, with minimums at 3°C (38°F) and maximums reaching 20°C (69°F), averaging 11°C (53°F). However, March is wetter, with a significant increase in precipitation to 161 mm (6.3 in) over about 15 days, and a slightly lower humidity of 68%. For a detailed look at the weather specifics for March, you can visit Choshi weather in March.
In January, temperatures range from a chilly 0°C (32°F) at night to a mild 17°C (63°F) during the day, averaging around 8°C (46°F). The month sees around 65 mm (2.6 in) of precipitation over approximately 7 days, with humidity levels reaching 70%. In contrast, April brings a noticeable warm-up, with minimum temperatures at 5°C (41°F) and daytime highs peaking at 23°C (74°F), resulting in an average temperature of 14°C (58°F). However, April is wetter, experiencing 116 mm (4.6 in) of precipitation over 11 days and slightly higher humidity at 73%. For more detailed information, visit Choshi weather in April.
January weather is characterized by cool temperatures, with minimums around 0°C (32°F) and maximums reaching only 17°C (63°F), while May sees a significant warm-up, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 26°C (78°F). Additionally, January experiences less precipitation, accumulating about 65 mm (2.6 in) over approximately 7 days, compared to May's higher total of 144 mm (5.7 in) spread over 12 days. The humidity also increases in May, averaging 81% compared to January's 70%. For a glimpse of what to expect in May, you can check out Choshi weather in May.
January and June present starkly contrasting weather conditions. In January, temperatures range from a chilly 0°C (32°F) to a pleasant 17°C (63°F), with an average of 8°C (46°F). The month experiences around 65 mm (2.6 in) of precipitation over approximately 7 days, coupled with a humidity level of 70%. In contrast, June boasts much warmer temperatures, with a minimum of 16°C (62°F), an average of 21°C (71°F), and a maximum reaching 28°C (83°F). This month sees significantly higher rainfall, totaling 184 mm (7.2 in) over about 13 days, along with increased humidity at 88%. For more details on the weather in June, visit Choshi weather in June.
January typically experiences cooler temperatures, with minimums around 0°C (32°F) and an average of 8°C (46°F), creating a crisp winter atmosphere. Precipitation during this month is relatively moderate, totaling 65 mm (2.6 in) over about 7 days, combined with a humidity level of 70%. In contrast, July brings a significant rise in temperature, with minimums of 20°C (68°F) and average highs reaching 25°C (77°F). The month also sees increased rainfall, accumulating 201 mm (7.9 in) over 15 days, alongside much higher humidity at 94%. For more details on the conditions during this month, check out Choshi weather in July.
In January, the weather is quite cool, with temperatures ranging from a frigid 0°C (32°F) at night to a mild 17°C (63°F) during the day, and an average temperature of 8°C (46°F). This month experiences approximately 65 mm (2.6 in) of precipitation over about 7 days, accompanied by a humidity level of 70%.
In contrast, August brings a significant rise in temperature, with minimums around 21°C (70°F) and maximums reaching up to 32°C (90°F), leading to an average of 27°C (80°F). However, it is also wetter, with about 94 mm (3.7 in) of rain falling on around 12 days, and humidity levels climbing to 87%. For more details on the August weather, you can check Choshi weather in August.
Overall, the stark differences between January and August highlight the transition from a cool, damp winter to a warm, humid summer.
In January, the weather is notably colder, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F). This month experiences relatively low humidity at around 70% and receives about 65 mm (2.6 in) of precipitation over an average of 7 days. In contrast, September showcases much warmer temperatures, with minimums of 18°C (64°F) and maximums reaching 32°C (89°F), resulting in an average of 24°C (76°F). This month also brings a higher level of humidity at 83% and significantly more rainfall, totaling 185 mm (7.3 in) over 16 days. For more details, you can check Choshi weather in September.
January and October present notably different weather patterns. In January, temperatures range from a chilly minimum of 0°C (32°F) to a mild maximum of 17°C (63°F), with an average of 8°C (46°F). This month experiences about 65 mm (2.6 in) of precipitation over approximately 7 days, accompanied by a humidity level of 70%. In contrast, October boasts significantly warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 29°C (84°F), averaging around 20°C (68°F). However, it is also much wetter, receiving 274 mm (10.8 in) of rain across 17 days, with a humidity level slightly higher at 78%. For more detailed insights into the weather specifics for October, you can refer to Choshi weather in October.
January and November weather show notable differences in temperature and precipitation patterns. In January, the temperatures range from a chilly 0°C (32°F) at night to a mild 17°C (63°F) during the day, with an average of 8°C (46°F). The month sees around 65 mm (2.6 in) of precipitation over approximately 7 days, coupled with a humidity level of 70%. In contrast, November experiences milder conditions, with minimum temperatures of 6°C (43°F) and maximums reaching 22°C (72°F), averaging 15°C (60°F). The month is wetter, receiving 124 mm (4.9 in) of rainfall spread over about 12 days, and slightly higher humidity at 74%. For more detailed insights into November weather specifics, you can visit Choshi weather in November.
In January, the weather tends to be a bit cooler compared to December, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), and an average temperature of 8°C (46°F). Precipitation also decreases slightly in January, totaling 65 mm (2.6 in) over about 7 days, and humidity levels hover around 70%. In contrast, December experiences milder temperatures, with a minimum of 1°C (35°F), an average of 10°C (51°F), and a maximum of 21°C (70°F). It also sees more precipitation at 96 mm (3.8 in) across approximately 10 days, with humidity averaging a slightly higher 72%. For more detailed insights, you can check out Choshi weather in December.
As January settles over Choshi, it brings a distinct chill compared to the milder months that come before and after. With a refreshing maximum of 17°C and an average that hovers around 8°C, this month stands out as a time when the air feels crisper and the days shorter. The 70% humidity adds a unique layer to the experience, often intensifying the coolness. With precipitation occurring on about seven days, the likelihood of rain can punctuate the gloom, reminding everyone that this is the heart of winter. For those planning their visit, January offers a different vibe, one that invites cozy explorations rather than outdoor festivities. For a deeper dive into what Choshi's weather looks like throughout the year, check out Choshi Climate.