Last updated: August 21, 2025
In January, Inuyama, Japan, experiences a blend of chilly temperatures and occasional precipitation, making it a month of seasonal contrasts. With maximum temperatures reaching 17°C (62°F) and dipping to a minimum of -9°C (16°F), the average hovers around a crisp 5°C (41°F). This winter month sees about 57 mm (2.2 in) of rainfall over approximately 8 days, coupled with a high humidity level of 82%, creating a cool and often damp atmosphere. This combination of weather elements not only offers a unique charm to Inuyama but also enriches the experience of its scenic winter landscape.
In Inuyama, Japan, January presents a chilly embrace, with temperatures typically ranging from a brisk -9°C (16°F) at night to a mild 17°C (62°F) during the day. This month marks the heart of winter, where the average temperature hovers around a cool 5°C (41°F). As February rolls in, the weather remains gently persistent, with slightly warmer nights at -6°C (22°F) and daytime highs reaching 20°C (69°F), indicating the gradual transition towards spring. By March, the chill starts to fade further, ushering in an average of 10°C (50°F) as the days grow longer and sunnier. This trend continues as the temperatures steadily climb into the lush warmth of spring and early summer, showcasing Inuyama’s beautiful shift from icy landscapes to vibrant blooms.
In January, Inuyama experiences a relatively mild start to the year, with 57 mm (2.2 in) of precipitation spread over 8 days. This sets the tone for a gradual increase in rainfall as winter transitions into spring. By February, precipitation rises modestly to 68 mm (2.7 in), indicative of the region's wet, temperate climate. As the months progress into March and April, there's a notable surge, with precipitation skyrocketing to 151 mm (5.9 in) and 192 mm (7.5 in) respectively, highlighting the onset of Japan's spring rains. The steady increase in rainfall days also reflects this pattern, as the frequency of precipitation events rises, leading to a lush landscape by late spring. Overall, January serves as a gentle precursor to the rainier months that follow, establishing a clear trend of increasing precipitation as the season evolves.
In January, Inuyama experiences a notable humidity level of 82%, setting the tone for a month that often feels quite damp. As winter gives way to spring, the humidity begins to decrease slightly in February at 79%, before continuing its downward trend to 74% in March. However, this reprieve is short-lived, as the humidity rises again in April to 76% and peaks dramatically during the summer months, reaching a staggering 93% in July. Despite some fluctuations, notably higher levels are evident in most of the warmer months, with May and August both around 83%, while the humidity gradually tapers off in the fall to around 85% in October. Overall, Inuyama’s January humidity is a prelude to a cyclical pattern of moist conditions that influences the region throughout the year, culminating in its highest peaks during the summer.
In January, Inuyama experiences a moderate UV Index of 4, with a burn time of approximately 30 minutes. This marks the start of a gradual increase in UV exposure as winter fades; by February, the UV Index rises to 6, categorized as high, shortening burn time to just 25 minutes. As spring approaches, the UV Index escalates sharply, peaking at 10 in April and hitting an extreme 11 in May through August, which drastically decreases burn time to only 10 minutes during the warmest months. This pattern underscores a clear seasonal trend: as the days lengthen and temperatures rise, so does the need for sun protection in Inuyama. For a more detailed overview of UV levels throughout the year, check out Inuyama UV Index.
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January in Inuyama, Japan, ushers in 181 hours of sunshine, a modest yet crucial start to the year. As winter ebbs into spring, sunlight steadily increases, with February bringing 228 hours and March reaching 265 hours. April and May continue this upward trend, peaking at 280 hours and 295 hours, respectively, as nature awakens and blooms. Even with the onset of summer, the sun remains generous, providing 262 hours in July and peaking at 300 hours in August, ensuring vibrant days filled with outdoor activities. As autumn approaches, sunshine begins to wane, with September to November showcasing a gradual decline but still offering a respectable 247 hours to 237 hours. Finally, December wraps up the year with 216 hours, reminding us that even in winter, the sun doesn’t forget to shine in beautiful Inuyama.
In January, Inuyama, Japan, enjoys a 42% chance of sunny weather, reflecting a gradual shift in sunlight as the year unfolds. This percentage is slightly lower than February's 46%, indicating a trend of increasing sunshine as winter transitions to spring. Interestingly, while the sunny probabilities dip in the summer months—falling to just 25-29%—there’s a notable rise in the latter part of the year, peaking in October and November at 59%. As January and February are part of the cooler season, the potential for sun is crucial for residents and visitors alike, hinting at hopeful glimpses of warmth before the spring blooms fully take over.
In Inuyama, Japan, January marks the start of the year with 10 hours of daylight, a number that remains constant into February. As spring approaches, the days gradually lengthen, reaching 11 hours in March and significantly increasing to 13 hours by April. The peak of daylight arrives in May and persists through June and July at 14 hours, creating the perfect backdrop for summer activities. As August fades into September, the daylight begins to wane, dropping to 13 hours and then 12 hours. With autumn's arrival in October, the daylight reduces further to 11 hours, leading into the shorter days of winter that feature 10 hours in November and a mere 9 hours in December. This cyclical trend showcases the stark contrast between the vibrant, elongated days of summer and the brief twilight of winter, offering a dynamic blend of light throughout the year.
In January, the winds in Inuyama, Japan begin the year with a gentle average speed of 2.2 m/s (5 mph), setting a calm tone as winter settles in. As the months progress, the wind picks up slightly in February and March, reaching a peak of 2.6 m/s (6 mph) before the spring transition. However, this briskness is short-lived; by April, the speeds return to 2.5 m/s (6 mph) and gradually ease back to the same level seen in January by May. The summer months welcome a noticeable decline, with July and September recording the lowest speeds at 1.5 m/s (3 mph), reminiscent of the heat's stifling embrace. As autumn approaches, the winds briefly regain vitality, closing the year with familiar comforts consisting of consistent 2.2 m/s (5 mph) winds in December. Overall, this seasonal ebb and flow create a dynamic yet gentle wind pattern, reflective of Inuyama's tranquil winter charm.
Weather in Inuyama varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Inuyama, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February in Inuyama exhibit remarkably similar weather patterns, yet with some notable distinctions. January experiences colder temperatures, with a minimum of -9°C (16°F) and a maximum reaching 17°C (62°F), while February sees slightly milder conditions, with a minimum of -6°C (22°F) and a maximum of 20°C (69°F). Precipitation is slightly higher in February, totaling 68 mm (2.7 in) over 7 days, compared to January's 57 mm (2.2 in) across 8 days. Additionally, February's humidity is marginally lower at 79%, compared to January’s 82%. For a closer look at February's climate specifics, check Inuyama weather in February.
When comparing the weather in January and March, distinct differences can be observed. January experiences colder temperatures with a minimum of -9°C (16°F) and an average of 5°C (41°F), while by March, the temperatures rise significantly, featuring a minimum of -1°C (30°F) and an average of 10°C (50°F). March also sees warmer maximum temperatures, reaching up to 24°C (76°F), compared to January's maximum of 17°C (62°F). Precipitation is more pronounced in March, with 151 mm (5.9 in) recorded over 11 days, compared to January's 57 mm (2.2 in) over 8 days. Additionally, March has lower humidity at 74%, making the milder temperatures feel more pleasant. For a more detailed insight, you can visit Inuyama weather in March.
In comparing the weather between January and April, a noticeable shift can be observed. January experiences a chillier climate, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 17°C (62°F) and averaging around 5°C (41°F). The month sees a moderate level of precipitation at 57 mm (2.2 in), occurring over 8 days, and boasts a high humidity of 82%.
In contrast, April brings a significant warming trend, with minimum temperatures rising to -1°C (31°F) and maximums reaching 28°C (82°F), leading to an average temperature of 14°C (57°F). However, April also experiences increased rainfall, totaling 192 mm (7.5 in) over a slightly longer duration of 11 days, while humidity remains relatively lower at 76%. The transition from January to April highlights the gradual shift toward milder weather typical for spring. For more specific information, you can visit Inuyama weather in April.
In January, the weather is characterized by cold temperatures, with a minimum of -9°C (16°F) and an average of just 5°C (41°F), occasionally rising to a maximum of 17°C (62°F). This month experiences moderate precipitation totaling 57 mm (2.2 in) over about 8 days, coupled with high humidity around 82%.
In contrast, May ushers in much warmer conditions, with temperatures ranging from a minimum of 5°C (41°F) to an average of 19°C (66°F), reaching a high of 32°C (90°F). Precipitation increases significantly to 200 mm (7.9 in) over approximately 11 days, with humidity slightly elevated at 83%. For more detailed insights, visit Inuyama weather in May.
In January, temperatures in Inuyama range from a chilling -9°C (16°F) at night to a mild 17°C (62°F) during the day, with an average of 5°C (41°F). The month sees about 57 mm (2.2 in) of precipitation spread across 8 days, and the humidity is relatively high at 82%. In contrast, June brings significantly warmer weather, with minimum temperatures of 11°C (53°F) and maximums reaching up to 32°C (90°F), resulting in a comfortable average of 22°C (72°F). However, it experiences increased rainfall, totaling 193 mm (7.6 in) over 13 days, and humidity rises slightly to 87%. The differences in weather between these two months highlight a stark transition from the cold, crisp days of winter to the warm, humid atmosphere of early summer. For more details on the weather specifics, you can check out Inuyama weather in June.
January and July offer stark contrasts in weather. In January, temperatures typically range from a chilly -9°C (16°F) to a mild 17°C (62°F), with an average of 5°C (41°F). The month experiences around 57 mm (2.2 in) of precipitation over approximately 8 days, accompanied by a humidity level of 82%. In contrast, July sees much warmer conditions, with temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 39°C (102°F) and an average of 26°C (79°F). Precipitation jumps significantly to 413 mm (16.2 in), occurring over 22 days, and humidity rises to a steamy 93%. For more detailed insights into the warm July weather, check out Inuyama weather in July.
The contrast between January and August weather is striking. In January, temperatures range from a chilly -9°C (16°F) to a milder 17°C (62°F), with an average of 5°C (41°F). In comparison, August presents a much warmer picture, with temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 40°C (105°F) and an average of 28°C (83°F). Additionally, January experiences relatively low precipitation at 57 mm (2.2 in) over 8 days, while August sees significantly higher rainfall, totaling 240 mm (9.4 in) across 16 days. Humidity levels also differ, with January at 82% and August rising to 91%. For more detailed insights on August weather, check out Inuyama weather in August.
January and September present starkly contrasting weather conditions. In January, temperatures can range from a chilly -9°C (16°F) at their lowest to a mild 17°C (62°F) at their highest, with an average of around 5°C (41°F). The month experiences 57 mm (2.2 in) of precipitation over about 8 days, alongside a high humidity level of 82%.
In contrast, September boasts much warmer temperatures, with lows of 11°C (52°F) and highs reaching up to a scorching 37°C (98°F), averaging around 24°C (75°F). This month sees a significant increase in rainfall, with 225 mm (8.9 in) spread over approximately 15 days, coupled with an elevated humidity of 87%. For more details on the climate, visit Inuyama weather in September.
In January, the weather is notably colder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 17°C (62°F). Average precipitation during this month is relatively low at 57 mm (2.2 in) over about 8 days, and humidity sits at 82%. In contrast, October experiences much milder conditions with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 32°C (89°F), showcasing an average temperature of 18°C (65°F). However, October also sees significantly more rainfall, totaling 201 mm (7.9 in) across approximately 12 days, with humidity slightly higher at 85%. For more details about October weather, you can check Inuyama weather in October.
In comparing the weather of January and November, it is evident that November is generally milder and wetter. January experiences a much lower average temperature, peaking at just 17°C (62°F), with a chilling minimum of -9°C (16°F), while November has more comfortable temperatures ranging from a low of 0°C (33°F) up to a warm 24°C (75°F). Although January sees slightly less precipitation at 57 mm (2.2 in) over 8 days compared to November's 63 mm (2.5 in) over just 6 days, the humidity levels remain similar, with January at 82% and November at 83%. For a closer look at November's weather specifics, you can refer to Inuyama weather in November.
In comparing the weather between January and December, January tends to be slightly colder overall, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 17°C (62°F), while December's temperatures fluctuate between -5°C (24°F) and 19°C (67°F). Precipitation is a bit lower in January at 57 mm (2.2 in) compared to December’s 68 mm (2.7 in), though both months experience rain on around 8 days. Humidity is relatively consistent, with January at 82% and December slightly higher at 83%. For a more detailed look at December's climate, you can check out this link: Inuyama weather in December.
As January blankets Inuyama in winter's chill, the month stands out with lower temperatures and higher humidity compared to other seasons. With maximums peaking at a mild 17°C, and average temperatures hovering around 5°C, the coldest days can drop to a brisk -9°C. The increased precipitation, totaling 57 mm over about 8 days, contributes to a moist environment, making January distinctively more humid at 82%. This unique mix of crisp air and dampness invites residents and visitors alike to embrace the serene beauty of Inuyama in winter. For a deeper look into the climate patterns throughout the year, check out Inuyama Climate.