Last updated: August 21, 2025
Experience the captivating winter climate of Rusutsu, Japan in January, where the scenery transforms into a snow-laden paradise. With average temperatures hovering around -6°C (22°F), you can expect a range from a brisk 4°C (39°F) at its peak to a chilly -20°C (-4°F) at the lowest point. January brings about 64 mm (2.5 in) of precipitation over 15 days, ensuring the region remains blanketed in fresh snow, perfect for winter sports enthusiasts. The 84% humidity adds a crisp touch to the air, making every outing invigorating. Embrace the magic of winter in this picturesque destination!
In January, Rusutsu, Japan, experiences a chill that sets the stage for its winter wonderland, with temperatures ranging from a brisk -20°C (-4°F) at night to a mild 4°C (39°F) during the day. The average temperature hovers around -6°C (22°F), emphasizing the bite of winter as the snow-laden landscape becomes a playground for winter sports enthusiasts. As February rolls in, a slight warming trend is observed, with temperatures rising to an average of -5°C (23°F), hinting at the gradual transition toward spring. However, the cold persists, as nighttime lows remain frosty. This January chill, characterized by stark contrasts between day and night temperatures, provides the perfect backdrop for enjoying the stunning scenery and exciting winter activities that Rusutsu has to offer.
In January, Rusutsu, Japan experiences an average precipitation of 64 mm (2.5 in) spread over approximately 15 days, marking the start of the year with a gentle embrace of winter moisture. This sets a noticeable trend as the months progress; precipitation gradually increases, peaking in August at a substantial 147 mm (5.8 in), contributing to the lush landscapes during the warmer months. The frequency of rainy days also varies, with November seeing the highest at 20 days, indicating a shift towards wetter conditions as autumn transitions into winter. This pattern highlights a diverse climate, where winter snow and summer rain play vital roles in shaping Rusutsu's enchanting scenery throughout the year.
In January, Rusutsu, Japan experiences a notable humidity level of 84%, setting the stage for the winter season. As the year progresses, humidity begins to gradually decrease, dipping to 83% in February and continuing to decline to 81% during March and April. However, this trend shifts in May, with humidity rising again to 86%, and further increasing through the warmer months, peaking at a striking 95% in August. Following this summer high, humidity levels start to decline once more, settling back to 83% by October and tapering off to 79% in November and 80% in December, creating a dynamic climate that reflects both seasonal changes and the distinct characteristics of Rusutsu's weather throughout the year.
In January, Rusutsu, Japan, experiences a relatively low UV Index of 2, suggesting minimal risk of harm from sun exposure, with a generous burn time of 45 minutes. As the winter transitions into spring, the UV Index gradually rises, reaching 3 in February and then spiking to 6 by March. The onset of spring brings a notable increase in UV intensity, peaking at 7 in April and soaring to a very high level of 9 in May. This upward trend continues through the summer months, where the UV Index remains at a striking 10 from June to August, demanding more vigilance against sunburn with a sharply reduced burn time of only 15 minutes. As autumn approaches, the UV Index begins to decline, returning to 3 in November and back to 2 in December, mirroring the pattern observed in January. This cyclical variation emphasizes the importance of adapting sun protection strategies throughout the year. For detailed insights into UV levels in Rusutsu, explore the Rusutsu UV Index.
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In January, Rusutsu, Japan, greets the new year with a modest 135 hours of sunshine, setting a tranquil tone for the winter months. As the days progressively lengthen into February and March, the sunshine dramatically increases to 192 and 248 hours respectively, inviting both skiers and sun-seekers to enjoy the crystalline landscape. The trend continues unabated into April and May with hours peaking at 288 and 307, showcasing nature's vibrant display as the snow melts and blossoms emerge. By July, the sun graces Rusutsu for an impressive 313 hours, marking the height of summer before a gentle decline ensues. August sees a slight drop, yet remains robust at 289 hours, while September to November transitions into the cooler months, gradually tapering off to 182 hours in November. Finally, December wraps up the year with 167 hours, hinting at the return of winter's embrace, yet leaving sunlight's promise lingering for the adventures that await in the snowy landscape.
In Rusutsu, Japan, January boasts a 27% chance of sunny weather, which is slightly higher than February's 25% but lower than the increasing trend observed in the spring months. As winter gives way to spring, the likelihood of sunshine rises, notably reaching 41% by April. This pattern suggests that while January may offer a few rays of sunlight, the transition to spring brings a more consistent promise of clearer skies. Despite its winter charm, January's weather is still predominantly overcast, making it a time for cozy indoor activities rather than sunbathing.
In Rusutsu, Japan, January ushers in a chilly winter wonderland with 9 hours of daylight, inspiring cozy indoor activities. As the months progress, the days gradually stretch, reaching 10 hours in February and 11 hours in March, inviting outdoor exploration amidst the scenic snow-covered landscapes. Spring blooms in April, where sunlight expands to 13 hours, and by May, the daylight further illuminates the natural beauty with 14 hours of sunshine. As summer peaks in June, Rusutsu basks under 15 hours of daylight, perfect for enjoying lush greenery and vibrant outdoor festivities. However, as July slides into August, the daylight begins to taper off, offering 14 and 13 hours respectively, signaling the approach of autumn. September continues this trend with 12 hours of daylight before daylight diminishes once more in October and November, back to 9 hours. By December, the cycle completes, with the winter solstice's long nights returning to Rusutsu, emphasizing the rhythmic ebb and flow of daylight throughout the year.
In January, the average wind speed in Rusutsu, Japan registers at a gentle 2.7 m/s (6 mph), setting the stage for the crisp winter air that characterizes this enchanting resort. As the months progress, wind speeds experience slight fluctuations, peaking in February at 3.0 m/s (7 mph) before tapering down to 2.6 m/s in March. This subtle dance of breezes continues into the spring, hovering around 2.8 m/s in April and dipping to 2.5 m/s in May. Summer brings a calmness, with wind speeds settling at around 2.1-2.2 m/s (5 mph) from June through September, creating a serene atmosphere for visitors. As autumn approaches, wind speeds ascend slightly, returning to 2.7 m/s in November and December, reminiscent of the buoyant January winds. Overall, while January kicks off with chilly winds, the year unfolds with a gentle breeze, inviting tranquility year-round.
Weather in Rusutsu varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Rusutsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather is characterized by colder temperatures, with a minimum of -20°C (-4°F) and an average of -6°C (22°F), while February sees a slight increase in warmth, with a minimum of -17°C (1°F) and an average of -5°C (23°F). Although both months experience significant precipitation, January has 64 mm (2.5 in) over 15 days, compared to February's 69 mm (2.7 in) across 18 days. Humidity levels remain similar, hovering around 84% in January and 83% in February, contributing to the chilly atmosphere. For a detailed look at February weather, you can check out Rusutsu weather in February.
January typically brings much colder weather compared to March, with average temperatures hovering around -6°C (22°F) and minimums plummeting to -20°C (-4°F). In contrast, March sees a significant warming trend, with average temperatures rising to 0°C (32°F) and maximums reaching up to 13°C (56°F). While January experiences about 64 mm (2.5 in) of precipitation over 15 days, March has slightly higher precipitation at 89 mm (3.5 in) over 14 days, accompanied by a marginally lower humidity level of 81%. For a closer look at the conditions in March, visit Rusutsu weather in March.
January and April present a stark contrast in weather conditions. In January, temperatures can plunge to a minimum of -20°C (-4°F) with an average around -6°C (22°F) and a maximum of 4°C (39°F). The month is characterized by relatively high humidity at 84% and frequent precipitation over 15 days, accumulating to about 64 mm (2.5 in). On the other hand, April ushers in a significant warmth, with minimum temperatures around -6°C (22°F) and an average rising to 5°C (41°F), peaking at a maximum of 19°C (67°F). Although April experiences slightly more precipitation at 93 mm (3.7 in) across 12 days, the humidity is marginally lower at 81%. To explore more about the weather in April, check out this link: Rusutsu weather in April.
In January, the weather is characterized by bitter cold, with temperatures ranging from a chilling minimum of -20°C (-4°F) to an average of -6°C (22°F), and a maximum of 4°C (39°F). The month sees considerable precipitation of 64 mm (2.5 in) over approximately 15 days, coupled with a high humidity level of 84%. In contrast, May brings a dramatic shift in conditions, with temperatures rising significantly to a minimum of 2°C (35°F), an average of 11°C (53°F), and an impressive maximum of 29°C (84°F). While May experiences a slightly higher total precipitation of 87 mm (3.4 in) over 12 days, the humidity remains high at 86%. Overall, these months illustrate the stark transition from winter's cold grasp to the warmth of spring. For more details, you can check Rusutsu weather in May.
January and June present stark contrasts in weather patterns. In January, temperatures plunge with a minimum of -20°C (-4°F) and an average of -6°C (22°F), while the maximum hovers around 4°C (39°F). The month also sees significant precipitation, totaling 64 mm (2.5 in) over 15 days, coupled with a high humidity level of 84%. In contrast, June experiences much milder temperatures, ranging from a minimum of 3°C (38°F) to a pleasant maximum of 26°C (79°F), with an average temperature of 15°C (59°F). Although June receives more precipitation—112 mm (4.4 in) spread over just 11 days—humidity rises slightly to 87%. For more details, you can check Rusutsu weather in June.
January and July present stark contrasts in weather. January's average temperature hovers around -6°C (22°F), with nighttime lows plunging to -20°C (-4°F) and daytime highs barely reaching 4°C (39°F). In this cold month, the region experiences 64 mm (2.5 in) of precipitation over 15 days, accompanied by high humidity levels at 84%. Conversely, July showcases a much milder climate, with average temperatures rising to 20°C (68°F), lows of 11°C (51°F), and highs reaching a warm 31°C (89°F). Precipitation increases slightly to 97 mm (3.8 in) but occurs over just 12 days, and humidity is even higher at 93%. For a detailed look at July's weather, check out Rusutsu weather in July.
January and August exhibit stark contrasts in weather conditions. In January, temperatures plummet to a minimum of -20°C (-4°F) and average around -6°C (22°F), with a maximum of just 4°C (39°F). The month experiences relatively low precipitation of 64 mm (2.5 in) over 15 days, coupled with high humidity at 84%. In contrast, August brings a warm reprieve, with temperatures ranging from a minimum of 8°C (47°F) to a pleasant average of 20°C (69°F), peaking at 32°C (89°F). Precipitation increases significantly to 147 mm (5.8 in) over 13 days, and humidity climbs to a high of 95%. For more details on August weather, visit Rusutsu weather in August.
In January, the weather is characterized by frigid temperatures, with a minimum of -20°C (-4°F) and an average around -6°C (22°F), reaching a maximum of only 4°C (39°F). The month sees significant precipitation of 64 mm (2.5 in) over about 15 days, along with high humidity levels averaging 84%. In contrast, September offers a much milder climate, featuring a minimum temperature of 4°C (39°F) and a comfortable average of 17°C (62°F), peaking at a warm 28°C (83°F). While September experiences more precipitation at 116 mm (4.6 in) spread over 14 days, the humidity rises slightly to 88%. For more details, check out Rusutsu weather in September.
January and October present starkly contrasting weather conditions. In January, temperatures plunge to a frigid minimum of -20°C (-4°F), with an average of -6°C (22°F) and a maximum of just 4°C (39°F). The month experiences considerable precipitation of 64 mm (2.5 in) over 15 days, coupled with high humidity levels at 84%. In contrast, October enjoys milder temperatures, starting from a minimum of -2°C (29°F) and averaging around 10°C (51°F), peaking at a comfortable 24°C (75°F). This month sees an increase in precipitation to 115 mm (4.5 in) over the same 15 days, with humidity slightly lower at 83%. For a closer look at October weather in this region, visit Rusutsu weather in October.
In January, the weather can be quite harsh, with temperatures plunging to a minimum of -20°C (-4°F) and an average of -6°C (22°F). In contrast, November offers a relatively milder climate, featuring a minimum temperature of -12°C (11°F) and averaging at 3°C (39°F). Precipitation also varies significantly; January sees about 64 mm (2.5 in) over 15 days, while November experiences more rainfall, totaling 116 mm (4.6 in) across 20 days. Humidity is slightly higher in January at 84%, compared to November's 79%. For more details on the November weather, check out Rusutsu weather in November.
In comparing the weather of January and December, January typically sees slightly colder temperatures, with average highs reaching only 4°C (39°F) compared to December's more moderate maximum of 11°C (51°F). Both months experience a significant amount of precipitation, but December records a higher total of 86 mm (3.4 in) over 24 days, while January has 64 mm (2.5 in) spread across 15 days. The humidity levels are relatively similar, with January at 84% and December at 80%. For a detailed look at December's climate, you can check out Rusutsu weather in December.
January in Rusutsu presents a cold and crisp winter wonderland, with temperatures that can plunge to chilly lows, starkly contrasting with the milder months of autumn and spring. During this month, visitors can expect frequent snowfall, making it a prime time for winter sports enthusiasts, despite the 84% humidity that adds a lingering chill to the air. The average temperatures hover around a biting -6°C, with potential highs reaching just above freezing. With approximately 64 mm of precipitation over 15 days, January brings a unique atmospheric experience that sets it apart from the drier summer months. For more insights into the year-round weather patterns, check out Rusutsu Climate.