Last updated: August 21, 2025
January in Yanagawa, Japan, welcomes visitors with a crisp winter atmosphere characterized by an average temperature of 6°C (43°F). The month experiences a maximum warmth of 17°C (63°F), while nighttime plunges to a brisk minimum of -4°C (25°F). Throughout January, one can expect 54 mm (2.1 in) of precipitation spread over 7 days, complemented by a notable humidity level of 75%. This blend of cool temperatures and occasional rain creates a charming winter landscape, perfect for exploring the picturesque scenery Yanagawa has to offer.
In January, Yanagawa experiences a chilly start to the year, with temperatures ranging from a brisk -4°C (25°F) at night to a mild 17°C (63°F) during the day, resulting in an average of 6°C (43°F). This frosty month sets the stage for a gradual warming trend, as February sees slightly higher averages and daytime highs reaching up to 21°C (70°F). By March, the feeling of spring begins to take hold, with temperatures rising further to an average of 11°C (52°F) and maximums of 22°C (73°F), hinting at the pleasant weather to come. As winter loosens its grip and the months roll into April and May, temperatures continue to climb, showcasing a transformation from winter's chill to the warmth of spring and early summer.
In January, Yanagawa experiences a relatively modest precipitation amount of 54 mm (2.1 in), accompanied by rain on an average of 7 days. This sets the tone for a winter month where rainfall is less frequent compared to the wetter seasons that follow. As we transition into February and the subsequent months, precipitation starts to rise significantly, peaking in July with a staggering 450 mm (17.7 in) over 19 days. This trend underscores a dramatic shift in climate as winter gives way to the humid summer, illustrating a pattern where winter months like January see less rainfall, while the summer months become increasingly drenched. Overall, the precipitation patterns in Yanagawa reveal a clear seasonal rhythm, marking January as a quiet, yet essential part of the moisture cycle that fuels the lush landscapes to come.
In January, Yanagawa, Japan, experiences a notable humidity level of 75%, setting the stage for a winter that feels both cool and damp. As the year progresses, humidity slightly decreases to 71% in both February and March, offering a brief respite before spring arrives. However, as April rolls in, levels jump to 78%, hinting at the onset of a more humid season. The trend continues upward through the warmer months, peaking in July and August with staggering humidity figures of 92% and 91%, respectively. This intense moisture gives the summer months their characteristic warmth and closeness, before slowly tapering down to 84% in September and stabilizing in the 80% range during the fall and winter months, with 79% in December. Thus, Yanagawa's humidity paints a vivid picture of seasonal shifts, transforming from a soft chill in winter to a sticky warmth in summer.
In January, Yanagawa experiences a moderate UV Index of 4, with a burn time of 30 minutes, suggesting that while sun exposure is manageable, some precautions are advised. As the months progress into February, the UV Index rises to 6, categorized as high, with a slightly reduced burn time of 25 minutes. This upward trend continues into March, where the index jumps to a concerning 8, indicating very high exposure risks. By April and May, the UV Index peaks at an extreme level of 11, compelling residents and visitors to limit sun exposure to just 10 minutes. The trend stabilizes through the summer months, with July and August maintaining this extreme level, before tapering off in September at 11, and returning to high levels of 6 in November. As winter approaches again in December, the UV Index drops back to 4, marking a return to a more moderate level. For detailed monthly insights and safety measures, check out Yanagawa UV Index.
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In January, Yanagawa, Japan, experiences a relatively modest 174 hours of sunshine, setting the stage for a gradual increase as the year progresses. By February, the sun makes a notable return with 232 hours, hinting at the promise of spring. The trend continues to rise into March, where 260 hours of sunshine begins to paint the landscape with vibrant colors. As April blooms, Yanagawa basks in 280 hours of sunlight, paving the way for the nearly perfect 282 hours in May, making it one of the sunniest months. Just as the warmth peaks in the summer, June sees a slight dip to 260 hours, yet July and August follow with a resurgence, offering 266 and 296 hours, respectively. The cooler months signal a gradual decline, with September at 251 hours and October not far behind at 254 hours. As the year winds down, November and December capture 233 and 213 hours of sunshine, reminding us of the serene beauty of winter in Yanagawa. Overall, the year showcases a vibrant oscillation of sunshine, with peaks in late spring and summer, creating a rhythm that enchants both locals and visitors alike.
In Yanagawa, Japan, the likelihood of sunny weather in January stands at 36%, hinting at a somewhat cloudy start to the year. As winter progresses, February sees a slight uptick to 45%, offering a bit more sun for those seeking brighter days. However, the trend shifts in March, where sunny probabilities dip again to 35%. The warmer months ahead, especially April at 41% and May at 29%, chart a fluctuating path with some peaks and valleys. Notably, the chance of sunshine remains steadily low during the summer, plummeting to 19% in July, before gradually climbing back to 65% by October, which indicates a favorable transition into autumn. Thus, while January may greet visitors with limited sunshine, the promise of clearer skies arrives as the year unfolds.
In Yanagawa, Japan, January ushers in about 10 hours of daylight, a duration that remains consistent through February. As winter gives way to spring, daylight begins to stretch, with March seeing an increase to 11 hours and April reaching 13 hours. This upward trend continues into May and June, where the days lengthen to 14 hours, marking the peak of daylight during the summer months. As the seasons change, daylight gradually diminishes, dropping to 13 hours in August and tapering off to 12 hours in September. By October, the cycle continues with 11 hours, ultimately returning to 10 hours in November and 9 hours in December, as Yanagawa bids farewell to another year. This rhythmic ebb and flow of daylight captures the essence of seasonal transitions, inviting both reflection and anticipation with each passing month.
In January, Yanagawa experiences an average wind speed of 2.6 m/s (6 mph), marking it as the windiest month of the winter season. This brisk breeze sets a crisp tone for the new year, as temperatures begin to drop. Following January, February sees a slight increase to 2.9 m/s, while the winds mellow out in the early spring months of March and April at 2.5 m/s. As spring approaches, the winds remain gentle, rarely exceeding 2.6 m/s until summer. Interestingly, the warmest months of June through August bring calmer winds, with speeds dipping to a low of 1.6 m/s in June. This trend of diminishing wind intensity continues into the fall, where September and October stabilize at 2.1 m/s. Overall, January's distinct gusts serve as a reminder of the seasonal shifts, setting the stage for a gradual transition toward the gentle breezes of spring and summer.
Weather in Yanagawa varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Yanagawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather tends to be quite cool, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (63°F). The month experiences around 54 mm (2.1 in) of precipitation over approximately 7 days, accompanied by a relatively high humidity level of 75%. In contrast, February sees a slight increase in average temperature, ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F), making it noticeably warmer overall. Precipitation also rises in February to 85 mm (3.4 in), occurring over about 9 days, but humidity decreases slightly to 71%. For more detailed information, check out Yanagawa weather in February.
In January, temperatures in Yanagawa range from a chilly -4°C (25°F) at night to a mild 17°C (63°F) during the day, with an average of 6°C (43°F). The month sees about 54 mm (2.1 in) of precipitation over 7 days, coupled with a humidity level of 75%. In contrast, March experiences a notable warming trend, with temperatures ranging from -2°C (29°F) at night to a warm 22°C (73°F) during the day, averaged out at 11°C (52°F). However, March is significantly wetter, with precipitation reaching 133 mm (5.2 in) over 11 days, and humidity slightly lower at 71%. For more detailed insights, you can explore Yanagawa weather in March.
January and April present quite contrasting weather conditions. In January, temperatures range from a chilly -4°C (25°F) at night to a mild 17°C (63°F) during the day, with an average of 6°C (43°F). The month experiences around 54 mm (2.1 in) of precipitation across 7 days, alongside a humidity level of 75%. In contrast, April enjoys milder temperatures, with lows around 2°C (35°F) and highs soaring up to 29°C (84°F), leading to an average of 15°C (59°F). However, it also sees increased precipitation, totaling 124 mm (4.9 in) over 9 days, and slightly higher humidity at 78%. For more detailed information, you can visit Yanagawa weather in April.
January in Yanagawa is characterized by cool temperatures, ranging from a chilly minimum of -4°C (25°F) to a maximum of 17°C (63°F), with an average temperature of 6°C (43°F). The month experiences moderate precipitation, totaling 54 mm (2.1 in) over around 7 days, accompanied by relatively high humidity levels of 75%.
In contrast, May brings a significant shift in weather, with temperatures rising considerably. The minimum temperature is 6°C (44°F), while the average reaches 20°C (68°F), and the maximum can soar to 30°C (86°F). However, May also sees higher precipitation, accumulating 200 mm (7.9 in) over about 12 days, along with increased humidity at 84%.
For more detailed insights about the weather in May, you can check Yanagawa weather in May.
In January, temperatures range from a chilly minimum of -4°C (25°F) to a mild maximum of 17°C (63°F), with an average of 6°C (43°F). During this month, Yanagawa experiences 54 mm (2.1 in) of precipitation over about 7 days, coupled with a humidity level of 75%. In contrast, June brings a significant rise in temperatures, with a minimum of 13°C (56°F) and a maximum soaring to 32°C (90°F), averaging 23°C (74°F). The month witnesses a marked increase in precipitation, totaling 233 mm (9.2 in) across 14 days, and humidity also climbs to 86%. For more detailed insights, you can check Yanagawa weather in June.
In January, the weather is notably cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (63°F), and an average of about 6°C (43°F). This month experiences relatively low precipitation at 54 mm (2.1 in) across 7 days, along with a humidity level of 75%. In contrast, July brings much warmer conditions, with temperatures hitting a minimum of 18°C (64°F) and soaring up to 35°C (95°F), averaging around 27°C (80°F). The summer month is characterized by high humidity at 92% and a significant increase in rainfall, totaling 450 mm (17.7 in) over 19 days. For more details on July weather, you can refer to Yanagawa weather in July.
In January, Yanagawa experiences chilly weather, with average temperatures ranging from a cool -4°C (25°F) at night to a mild 17°C (63°F) during the day. Precipitation is relatively low at 54 mm (2.1 in) over about 7 days, and the humidity sits at a comfortable 75%. In stark contrast, August brings soaring temperatures, with nighttime lows of 19°C (66°F) and daytime highs reaching up to 36°C (97°F), making it significantly warmer overall. Rainfall dramatically increases to 331 mm (13.0 in) spread over 15 days, accompanied by high humidity levels of 91%. For more details, check out Yanagawa weather in August.
When comparing the weather of January to that of September, notable differences emerge. January experiences a chillier climate with minimum temperatures dropping to -4°C (25°F) and an average of 6°C (43°F). This month also sees about 54 mm (2.1 in) of precipitation over roughly 7 days, combined with a humidity level of 75%. In contrast, September boasts much warmer temperatures, with minimums around 13°C (55°F) and averages reaching 24°C (76°F), peaking at 34°C (94°F). Furthermore, it is significantly wetter, receiving 209 mm (8.2 in) of rainfall throughout 15 days, and maintaining a higher humidity of 84%. For a more detailed view of September weather conditions, check out Yanagawa weather in September.
January and October present contrasting weather experiences. In January, temperatures typically range from a chilly -4°C (25°F) at night to a mild 17°C (63°F) during the day, with an average of 6°C (43°F). This month sees about 54 mm (2.1 in) of precipitation over 7 days, with humidity levels around 75%. In stark contrast, October boasts much warmer temperatures, with lows of 7°C (45°F) and highs reaching 31°C (88°F), averaging 19°C (66°F). The month is also wetter, with 120 mm (4.7 in) of rainfall over 9 days and a slightly higher humidity of 83%. For more insights into the October weather, you can check this link: Yanagawa weather in October.
January and November present contrasting weather conditions. In January, temperatures range from a chilly minimum of -4°C (25°F) to a milder maximum of 17°C (63°F), with an average of 6°C (43°F). The humidity is relatively high at 75%, and the area experiences about 54 mm (2.1 in) of precipitation over 7 days. In contrast, November offers a much warmer climate, with temperatures ranging from a minimum of 0°C (31°F) to a comfortable maximum of 25°C (76°F), averaging 13°C (55°F). The precipitation remains slightly higher at 57 mm (2.2 in) over the same number of rainy days, but humidity rises to 81%. For more specific details about November weather, you can refer to Yanagawa weather in November.
January tends to be slightly colder than December, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (63°F), while December sees milder temperatures with a minimum of -2°C (28°F) and a maximum of 22°C (72°F). Precipitation levels are higher in December, with 71 mm (2.8 in) falling over seven days, compared to January's 54 mm (2.1 in) also over seven days. Additionally, humidity is a bit lower in January at 75%, compared to December's 79%. For more detailed weather insights, you can visit Yanagawa weather in December.
January in Yanagawa brings a distinctive charm with its chillier temperatures, setting it apart from the milder months that precede and follow it. While the average temperature hovers around a brisk 6°C, the month experiences significant variations, from highs of 17°C to lows that plunge to -4°C. Additionally, January's humidity level remains high at 75%, contributing to a refreshing, crisp atmosphere. With about 54 mm of precipitation spread over 7 days, the month sees occasional rain, which contrasts sharply with the drier summer months. Fans of winter ambiance will appreciate the unique characteristics of this month, making it a perfect time for cozy explorations of Yanagawa's beauty. For a comprehensive look at the weather trends, visit Yanagawa Climate.