Last updated: August 21, 2025
In January, Inawashiro, Japan experiences a cold and damp winter, with temperatures fluctuating between a maximum of 8°C (47°F) and a chilling minimum of -11°C (12°F), leading to an average temperature of -1°C (31°F). The region receives significant precipitation, totaling 96 mm (3.8 in) over approximately 18 days, resulting in a notably high humidity level of 88%. This combination of cold temperatures and persistent moisture creates a serene, wintry landscape, perfect for those seeking the beauty of Japan’s winter season.
In January, Inawashiro, Japan experiences its coldest temperatures, with a stark minimum of -11°C (12°F) and an average hovering around -1°C (31°F). As the month progresses into February, a slight upward trend emerges, as temperatures gradually shift toward a more moderate 0°C (32°F) average. March marks a notable transition, where the chill starts to ease, reaching an average of 4°C (39°F) and hinting at the approaching spring. This gradual warmth continues into April, where temperatures can peak at 26°C (79°F), indicating the region's move from winter's grip to the blossoming beauty of early spring. Overall, January serves as a defining month, setting the stage for a steady rise in temperatures that unfolds into the vibrant months that follow.
In January, Inawashiro experiences a significant amount of precipitation, measuring 96 mm (3.8 in) over 18 days—the month sets the tone for a wet winter season. Following closely behind, February sees just a slight decrease in rainfall to 90 mm (3.5 in) across 19 days, hinting at a persistent winter pattern. As spring approaches, March opens with the heaviest rainfall of this period at 120 mm (4.7 in), yet the number of rainy days reduces to 15, suggesting stronger downpours. The trend of ample rainfall continues into April and May, with precipitation amounts of 105 mm (4.1 in) and 99 mm (3.9 in), respectively, but with fewer rainy days, indicating a shift towards more concentrated storms. Overall, January's robust precipitation is part of a seasonal rhythm that highlights Inawashiro's unique climatic character.
Inawashiro, Japan, experiences a notably high humidity in January, reaching 88%, which sets the tone for a winter marked by damp air. This level of humidity gradually decreases into February and March, dipping to 86% and 81%, respectively, hinting at a shift towards drier conditions as winter progresses. However, as spring approaches in April, humidity remains relatively stable at 78%, before slightly rising again in May. The onset of summer brings a significant increase, with July and August soaring to 92%, creating a notably muggy atmosphere. Following this peak, humidity levels gradually decline into the fall months, settling at 87% in October and tapering off to 85% by November. This cyclical pattern reflects the intricate dance between the seasonal changes and regional climate, with January setting a robust foundation for the humidity trends that follow throughout the year.
Inawashiro, Japan, experiences a moderate UV Index of 4 in January, encouraging outdoor enthusiasts to enjoy winter activities while being mindful of sun exposure, which can cause sunburn in about 30 minutes. As the year progresses, the UV Index steadily increases, peaking at an extreme level of 11 from June to August, where even brief sun exposure can elevate the risk of burns to just 10 minutes. This trajectory highlights a significant shift from winter's moderate exposure to summer's intense rays, making it essential for residents and visitors to adapt their sun protection strategies accordingly. For detailed insights on UV trends throughout the year, check out Inawashiro UV Index.
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Inawashiro, Japan, experiences a gradual increase in sunshine from the cold depths of January, where the sun graces the region with just 145 hours. As winter melts into spring, February sees a notable rise to 195 hours—a gentle herald of the warmth to come. March and April continue this upward trend, showcasing 242 hours and 263 hours, respectively, as nature awakens. The sun reaches its peak in May at 281 hours, before a slight dip in June, which still boasts a commendable 266 hours. The summer months, particularly July and August, maintain a strong presence of sunshine, with 246 hours and 271 hours. As autumn approaches, sunshine mellows in September and October, offering 228 hours and 193 hours, yet November and December bring a cozy return to 205 and 173 hours, respectively. Throughout the year, the dance of daylight reflects the beautiful transitions of the seasons, inviting both locals and visitors to revel in Inawashiro's stunning landscapes illuminated by the sun.
Inawashiro, Japan, experiences a notably low likelihood of sunny weather in January, with only a 16% chance of sunshine gracing the landscape. This trend of limited sunlight continues into the early months of the year, with February seeing a slight increase to 29%, yet remains relatively modest compared to the more abundant sunshine found in the spring months. As the seasons change, the likelihood of sunny days improves significantly, peaking in April with 41% sunshine, inviting a more vibrant atmosphere. This clear pattern underscores how, while January may be a dreary month, the promise of brighter days is just around the corner as winter transitions into spring.
In Inawashiro, Japan, the month of January brings about a whimsical charm as daylight lasts for a modest 9 hours. As winter begins to transition into spring, February sees a gradual increase to 10 hours. This upward trend continues into March, where daylight stretches to 11 hours, signaling the approach of warmer days ahead. By April and May, sunlight flourishes with 13 and 14 hours, respectively, creating the perfect backdrop for the bloom of nature. This peak of 14 hours of daylight persists through June and July, allowing residents and visitors to fully embrace summer's vibrancy. As the year progresses into August, daylight begins its gentle decline to 13 hours before tapering to 12 hours in September. Subsequently, daylight hours gradually shrink again, down to 10 hours in November and returning to 9 hours by December, completing the cycle and reminding us of the rhythmic ebb and flow of seasonal light.
In January, Inawashiro experiences a brisk yet manageable average wind speed of 2.5 m/s (6 mph), setting a tone of refreshing clarity for the New Year. As we transition into February, the winds pick up slightly, reaching 3.3 m/s (7 mph), providing a gentle reminder of the winter chill. Interestingly, the wind starts to mellow in June and July, plummeting to its calmest with just 1.7 m/s (4 mph) and a whispering 1.4 m/s (3 mph), respectively, allowing for tranquil summer days. As autumn approaches, the winds gradually regain their strength, with November seeing an increase to 2.2 m/s (5 mph). By the close of the year in December, the gusts return to a more spirited 2.8 m/s (6 mph), embodying the dynamic shifts of Inawashiro’s climate throughout the seasons. This pattern showcases a fascinating interplay between the promise of winter’s bite and the serene embrace of summer’s calm.
Weather in Inawashiro varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Inawashiro, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison, January and February exhibit similar chilly conditions, with both months experiencing minimum temperatures around -11°C. However, February shows a slight warming trend, with an average temperature of 0°C, compared to January's average of -1°C. The maximum temperature rises more significantly in February, reaching 15°C, while January peaks at 8°C. Precipitation levels are fairly close, with January receiving 96 mm over 18 days and February slightly less at 90 mm over 19 days. Humidity remains high in both months, with January at 88% and February slightly lower at 86%. For a detailed look at February’s weather, check out Inawashiro weather in February.
In January, the weather is quite cold, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 8°C (47°F) and an average of -1°C (31°F). The month sees significant precipitation at 96 mm (3.8 in), spread over 18 days, with high humidity levels at 88%. In contrast, March experiences a notable warming trend, with minimum temperatures of -9°C (16°F), an average of 4°C (39°F), and maximums reaching 19°C (67°F). Although March receives more precipitation at 120 mm (4.7 in) over 15 days, the humidity drops slightly to 81%. For a more detailed look at the weather specifics in March, check out Inawashiro weather in March.
In January, the weather is significantly colder, with average temperatures hovering around -1°C (31°F) and reaching a maximum of 8°C (47°F). The month experiences high humidity at 88% and receives about 96 mm (3.8 in) of precipitation over 18 days, resulting in a predominantly wintry atmosphere.
In contrast, April brings a noticeable warming trend, with average temperatures rising to 9°C (48°F) and highs reaching up to 26°C (79°F). Although April has slightly more precipitation at 105 mm (4.1 in) over 13 days and lower humidity at 78%, the overall climate is much milder and conducive to springtime activities. For more detailed insights, check out the Inawashiro weather in April.
In January, temperatures in Inawashiro drop significantly, with lows reaching -11°C (12°F) and an average temperature of -1°C (31°F). The month experiences about 96 mm (3.8 in) of precipitation over 18 days, contributing to a humid climate at 88%. In contrast, May brings much warmer weather, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 31°C (89°F) and an average of 15°C (59°F). Despite having a similar level of precipitation at 99 mm (3.9 in), May enjoys fewer rainy days at just 12, and the humidity decreases to 81%. This shift from January's chill to May's warmth highlights the distinct seasonal changes. For more details on May weather, you can check Inawashiro weather in May.
In January, the weather is quite cold, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 8°C (47°F), and an average temperature of -1°C (31°F). The month brings considerable precipitation, totaling around 96 mm (3.8 inches) over 18 days, all accompanied by high humidity at 88%. In contrast, June sees a significant warming trend, with temperatures varying from a minimum of 7°C (45°F) to a maximum of 32°C (90°F), averaging 18°C (66°F). Although June has slightly more precipitation at 101 mm (4.0 inches) over 12 days, the humidity remains constant at 88%. For more detailed information on June weather, you can visit Inawashiro weather in June.
January and July present stark contrasts in weather conditions. In January, temperatures can drop as low as -11°C (12°F), with an average of -1°C (31°F) and a maximum of 8°C (47°F). The month experiences significant precipitation of 96 mm (3.8 in) over 18 days, with a high humidity level of 88%. In contrast, July boasts much warmer temperatures, ranging from a minimum of 14°C (58°F) to a peak of 34°C (93°F), averaging around 23°C (73°F). Precipitation is considerably higher at 239 mm (9.4 in), occurring over 19 days, while humidity rises slightly to 92%. For more details about the weather in July, you can visit Inawashiro weather in July.
The weather in January and August presents a striking contrast. January experiences frigid temperatures, with a minimum of -11°C (12°F) and an average of -1°C (31°F), while August sees a much warmer minimum of 14°C (57°F) and an average of 24°C (76°F). In terms of precipitation, January receives 96 mm (3.8 in) over 18 days, while August has slightly more rainfall at 136 mm (5.3 in) across 16 days. Interestingly, humidity levels are quite high in both months, with January at 88% and August slightly higher at 92%. For more detailed information on August weather, you can visit Inawashiro weather in August.
January and September present stark contrasts in weather conditions. In January, temperatures range from a frigid minimum of -11°C (12°F) to a maximum of 8°C (47°F), averaging around -1°C (31°F). The month experiences considerable precipitation, with 96 mm (3.8 in) falling over 18 days and humidity levels reaching a high of 88%. In contrast, September offers a much milder climate, featuring temperatures from a minimum of 9°C (48°F) to a warm maximum of 31°C (89°F), averaging 20°C (67°F). Although September has slightly higher total precipitation at 120 mm (4.7 in) over 14 days, the humidity remains comparable at 89%. For a detailed overview of September weather, you can refer to Inawashiro weather in September.
January and October showcase strikingly different weather patterns. In January, temperatures can plunge as low as -11°C (12°F), with an average of -1°C (31°F) and highs reaching 8°C (47°F). This month is characterized by considerable precipitation of 96 mm (3.8 in) spread over 18 days, accompanied by high humidity at 88%. In contrast, October experiences much milder weather, with temperatures ranging from a minimum of 2°C (37°F) to a comfortable maximum of 27°C (80°F) and an average of 14°C (57°F). Though October has higher total precipitation at 168 mm (6.6 in), it occurs over just 12 days, resulting in a slightly lower humidity level of 87%. For more detailed information about October weather, you can visit Inawashiro weather in October.
January and November present contrasting weather conditions. In January, temperatures can drop as low as -11°C (12°F), with an average of -1°C (31°F) and a maximum of 8°C (47°F). The month is characterized by high humidity at 88% and significant precipitation, amounting to 96 mm (3.8 in) over 18 days. In contrast, November experiences milder temperatures, where the minimum reaches -3°C (26°F), averaging 8°C (46°F) and peaking at 20°C (68°F). Precipitation is less frequent in November, totaling 60 mm (2.3 in) over 11 days, accompanied by slightly lower humidity at 85%. For more details on the weather during this month, visit Inawashiro weather in November.
January and December exhibit distinct differences in weather patterns. In January, temperatures can drop as low as -11°C (12°F) with an average of -1°C (31°F), while the maximum reaches 8°C (47°F). This month typically experiences 96 mm (3.8 in) of precipitation over 18 days, coupled with high humidity at 88%. In contrast, December presents slightly milder conditions, with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 17°C (62°F) and an average of 2°C (36°F). It also receives more precipitation, totaling 110 mm (4.3 in) across 20 days, with humidity at a slightly lower 86%. For more detailed insights, you can visit Inawashiro weather in December.
As January settles in, Inawashiro transforms with its chillier temperatures and considerable precipitation, setting itself apart from other months of the year. This winter month features a striking contrast to the warmer seasons, characterized by the cold grip of temperatures that can dip significantly, alongside a higher chance of overcast days marked by frequent snowfall. The high humidity adds to the brisk atmosphere, often making it feel colder than it is. With nearly two-thirds of the month seeing rain or snow, adventurers should be prepared for a range of weather conditions that not only enhance the winter scenery but also provide a unique ambiance distinct from the milder months. Discover more about the yearly weather patterns in this fascinating location at Inawashiro Climate.