Last updated: August 21, 2025
January in Nanao, Japan, presents a chilly yet intriguing weather scene. With temperatures ranging from a maximum of 16°C (60°F) to a brisk minimum of -4°C (24°F), the average settles at around 5°C (41°F), inviting layered attire for outdoor explorations. This month also features significant precipitation, accumulating to 115 mm (4.5 in) across 19 days, contributing to the region's lush landscapes. Coupled with a high humidity level of 80%, January showcases Nanao's unique winter charm, making it an ideal time for those who appreciate the serene beauty of colder seasons.
In January, Nanao, Japan experiences a chilly winter, with temperatures ranging from a minimum of -4°C (24°F) to a pleasant maximum of 16°C (60°F), creating a crisp atmosphere perfect for cozy indoor activities. The average temperature sits at 5°C (41°F), reflecting a steady chill that lingers from the frost of December. As the month progresses towards February, the temperatures remain quite stable, with minima hovering around -3°C (26°F) and maxima reaching 18°C (65°F), indicating a gradual warming trend. This early year transition hints at the eventual arrival of spring, which will bring even more significant temperature increases in the following months. As winter fades, the temperatures will steadily rise, moving towards the warmth of March and April, when Nanao's climate shifts dramatically, ushering in milder, more inviting days.
In January, Nanao experiences an average precipitation of 115 mm (4.5 in), spread over 19 days, signaling the beginning of the year's wet season. This month typically sees a consistent drizzle, with rainfall tapering off slightly in February, which records 106 mm (4.2 in) over 16 days. As spring approaches, the precipitation begins to rise, with March experiencing 126 mm (5.0 in) over 15 days. A notable trend emerges in the warmer months, particularly in July, where rainfall peaks dramatically at 295 mm (11.6 in) across 19 days, indicating a shift to heavier downpours during the summer. While January sets the stage for a wet climate, it gradually transitions into a season of heavier rains, reflecting Nanao's unique climatic patterns.
In January, Nanao, Japan, experiences a substantial humidity level of 80%, setting the tone for a typically damp winter month. As the year progresses into February, there’s a slight decrease to 78%, followed by a further drop to 76% in March. This gradual decline hints at the approaching spring, but by April, humidity levels rise again to 77%, suggesting an increasing moisture content as nature awakens. The true onset of the humid season arrives in May, where humidity surges to 85%, and transitions into June's soaring 89%. The summer months of July and August peak, hitting 93% and 92%, respectively, creating a lush, verdant atmosphere but also a sultry feel. As autumn rolls in, there’s a noticeable retreat in humidity, culminating in September at 84% and continuing to decline through the fall months, settling back to 79% by December. This cyclical trend showcases Nanao’s humid climate, with a striking contrast between the cold, crisp winter and the warm, lush summer months.
In Nanao, Japan, the UV Index in January stands at a moderate 3, allowing for a burn time of about 30 minutes before precautions should be taken. As winter wanes into February, the UV Index increases slightly to 4, maintaining the same exposure category. However, with the arrival of March, residents experience a notable jump to a high 7, reducing the safe sun exposure time to just 25 minutes. This upward trend continues into April and May, where both months see a peak UV Index of 10, classified as very high, resulting in a rapid decrease in burn time to just 15 minutes. The summer months exacerbate this intensity, with June through August reaching an extreme UV Index of 11, where sun safety becomes critical with a mere 10 minutes of unprotected sun exposure. Subsequently, September witnesses a slight reduction to a very high UV Index of 9 before tapering off to 7 in October and gradually returning to moderate levels of 5 in November, and finally reverting back to 3 in December. This clear seasonal pattern highlights the need for vigilant sun protection, particularly in the warmer months. For more detailed information on UV levels throughout the year, visit Nanao UV Index.
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In Nanao, Japan, January ushers in 152 hours of sunshine, laying the foundation for a steady ascent in sunlight as winter transitions to spring. As the days lengthen, February experiences a notable increase to 198 hours, hinting at the warmth to come. By March, the sunshine peaks at 258 hours, and April continues the trend, reaching 285 hours. The month of May shines bright with 309 hours, showcasing the region's vibrant spring. Summer maintains this brilliance with 303 hours in June and 298 hours in July, before August culminates in an impressive 311 hours—the peak of sunshine for the year. As autumn approaches, sunlight begins to wane, with September bringing 257 hours, followed by a gradual decline to 239 hours in October, and 195 hours by December. This trend illustrates a captivating rhythm of light that dances through the seasons, highlighting the allure of Nanao's climate throughout the year.
In Nanao, Japan, the likelihood of sunny weather in January is relatively low, with only a 25% chance of sunshine. This trend reflects a cooler winter period, as the month marks one of the year's driest days. As the seasons progress, the odds improve substantially, with February seeing an increase to 36% and further rising to 38% in March. By April, residents can expect a more promising 47% chance of sunny weather, indicating a welcoming shift towards spring. This gradual increase in sunlight continues through the spring months, with May at 33%, before beginning to fluctuate again in the summer months. Overall, January's limited sunshine is part of a broader seasonal trend, where sunny days become progressively more frequent in the following months.
In Nanao, Japan, January ushers in a tranquil blend of crisp winter air and approximately 9 hours of daylight, setting the stage for gradual changes as the year unfolds. As February approaches, daylight increases to 10 hours, hinting at the promise of spring. March delights with 11 hours, and by April, the days grow notably longer, reaching 13 hours. This trend continues into May and June, where daylight peaks at 14 hours, providing ample time for outdoor activities. However, as summer transitions to autumn, daylight begins its gentle decline, dropping to 13 hours in August and gradually down to 9 hours by December. This rhythmic cycle not only marks the changing seasons but also invites residents to relish longer days of sunshine in the spring and summer months, while the return of shorter days in winter offers a cozy retreat from the hustle of daily life.
In Nanao, Japan, January carries a gentle breeze with an average wind speed of 3.9 m/s (9 mph), setting the tone for the winter months. Following January, February experiences a slight uptick, reaching 4.4 m/s, reflecting a seasonal shift as the cold intensifies. As spring approaches, the winds begin to calm, dropping to a consistent 3.5 m/s in both March and April, before picking up modestly in May. The summer months see a significant decline, with wind speeds falling to around 2.1 to 2.5 m/s, creating a tranquil atmosphere perfect for enjoying the warm weather. However, as autumn returns, the winds gradually strengthen once again, culminating in December with speeds of 4.1 m/s, highlighting a seasonal rhythm that brings a refreshing change. Overall, the January winds in Nanao play a pivotal role in ushering in a dynamic interplay of seasonal transitions throughout the year.
Weather in Nanao varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Nanao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures typically range from a minimum of -4°C (24°F) to a maximum of 16°C (60°F), with an average temperature of 5°C (41°F). The month experiences significant precipitation, averaging 115 mm (4.5 in) over 19 days, coupled with a humidity level of 80%. In contrast, February sees a slight increase in the maximum temperature, reaching up to 18°C (65°F), while the minimum temperature only drops to -3°C (26°F), maintaining an average of 5°C (41°F). Precipitation decreases slightly to 106 mm (4.2 in) over 16 days, and humidity is marginally lower at 78%. For a more detailed look at weather patterns during this month, check out Nanao weather in February.
January and March present distinct contrasts in weather patterns. In January, temperatures typically range from a chilly -4°C (24°F) at their minimum to a more temperate average of 5°C (41°F), with a maximum of 16°C (60°F). This month experiences significant precipitation, totaling 115 mm (4.5 in) over 19 days, alongside relatively high humidity levels at 80%. By March, the temperatures start to rise, with a minimum of 1°C (34°F) and an average of 9°C (48°F), peaking at 22°C (72°F). Precipitation increases slightly to 126 mm (5.0 in) but over just 15 days, and humidity levels decrease modestly to 76%. For a closer look at March weather specifics, you can explore Nanao weather in March.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 16°C (60°F) and an average of 5°C (41°F). The month experiences significant precipitation, totaling 115 mm (4.5 in) over 19 days and features a high humidity level of 80%. In contrast, April brings a much warmer climate, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 27°C (82°F), averaging 13°C (55°F). Although April sees a higher total precipitation of 144 mm (5.7 in), it occurs over fewer days—just 13—resulting in slightly lower humidity at 77%. For a closer look at the April climate in Nanao, you can check Nanao weather in April.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 16°C (60°F) and an average of 5°C (41°F). This month experiences substantial precipitation, totaling 115 mm (4.5 in) over 19 days, contributing to a high humidity level of 80%.
In contrast, May brings a significant warming trend, with temperatures peaking at 30°C (87°F) and averaging 18°C (66°F), while the minimum temperature is a milder 7°C (44°F). The precipitation slightly decreases to 103 mm (4.0 in) across 12 days, and humidity rises to 85%, making the atmosphere feel quite warm.
For further details on May weather, check out Nanao weather in May.
In January, temperatures are quite cold, with lows reaching -4°C (24°F) and an average of 5°C (41°F), while maximum temperatures can reach up to 16°C (60°F). The month experiences significant precipitation, totaling 115 mm (4.5 in) spread over 19 days, with humidity around 80%. In contrast, June brings much warmer conditions, with minimum temperatures of 13°C (56°F) and an average high of 22°C (72°F), peaking at 32°C (90°F). Although June has higher total precipitation at 141 mm (5.6 in), it is spread over fewer days, only 11, and comes with a slightly increased humidity level of 89%. For more details, you can check Nanao weather in June.
January and July present stark contrasts in weather conditions. In January, temperatures range from a chilly minimum of -4°C (24°F) to a pleasant 16°C (60°F), with an average of 5°C (41°F). The month sees around 115 mm (4.5 in) of precipitation spread over 19 days, accompanied by a humidity level of 80%. In contrast, July boasts much warmer temperatures with a minimum of 21°C (69°F) and a maximum soaring to 37°C (99°F), averaging 27°C (80°F). Rainfall is significantly higher during this summer month, with 295 mm (11.6 in) of precipitation, also spread over 19 days, but with a notably higher humidity of 93%. For more insight into July weather patterns, you can check Nanao weather in July.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 16°C (60°F), averaging around 5°C (41°F). This month experiences significant precipitation, totaling 115 mm (4.5 in) over 19 days, along with a humidity level of 80%. In stark contrast, August brings a much warmer climate, with temperatures starting at a minimum of 20°C (69°F) and soaring to a maximum of 39°C (103°F), averaging 29°C (84°F). Additionally, August sees even more rainfall at 228 mm (9.0 in) over 16 days, coupled with a higher humidity of 92%. To explore more details about the summer weather, check out Nanao weather in August.
January and September present strikingly contrasting weather conditions. In January, temperatures fluctuate from a chilly minimum of -4°C (24°F) to a maximum of 16°C (60°F), with an average around 5°C (41°F). This month experiences around 115 mm (4.5 in) of precipitation over 19 days and a humidity level of 80%. In contrast, September brings a warmer climate with temperatures ranging from a minimum of 15°C (59°F) to a scorching maximum of 38°C (100°F), averaging 24°C (76°F). Though September is drier with precipitation totaling 222 mm (8.7 in) across 15 days, it also has a slightly higher humidity of 84%. For more detailed weather information, visit Nanao weather in September.
In January, the weather is notably colder, with temperatures ranging from a low of -4°C (24°F) to a maximum of 16°C (60°F) and an average of just 5°C (41°F). This month sees a significant amount of precipitation at 115 mm (4.5 in) over 19 days, and the humidity remains relatively high at 80%. In stark contrast, October offers much milder conditions, with temperatures ranging from a minimum of 10°C (51°F) to a comfortable high of 32°C (89°F), averaging 19°C (66°F). Although October experiences more rainfall totaling 160 mm (6.3 in), it does so over fewer days—just 13—while maintaining a similar humidity level of 81%. For more information on October weather, visit Nanao weather in October.
January and November present distinct weather patterns. In January, temperatures are much cooler, with a minimum of -4°C (24°F) and an average of just 5°C (41°F), while November experiences milder conditions, featuring a minimum of 3°C (37°F) and an average of 13°C (55°F). Precipitation is relatively similar in both months, with January seeing 115 mm (4.5 in) over 19 days compared to November's 107 mm (4.2 in) across 13 days. Additionally, humidity levels are slightly higher in January at 80%, compared to November's 77%. For more detailed specifics on November weather patterns, visit Nanao weather in November.
In comparison, January tends to be colder than December, with average temperatures ranging from a minimum of -4°C (24°F) to a maximum of 16°C (60°F) compared to December's milder range of -2°C (28°F) to 21°C (71°F). Additionally, January experiences slightly less precipitation at 115 mm (4.5 in) over 19 days, while December sees more rainfall, totaling 153 mm (6.0 in) across 22 days. Humidity levels remain similar, with January at 80% and December just a touch lower at 79%. For more details on December weather in Nanao, you can visit Nanao weather in December.
January in Nanao is marked by chilly temperatures and a notable increase in precipitation, setting it apart from other months. With average highs around 5°C and frequent rain—totaling approximately 115 mm over 19 days—it’s one of the wettest times of the year. This blend of cold and dampness, coupled with an 80% humidity level, creates a rather refreshing yet crisp atmosphere that's distinctly different from the milder, drier summer months. If you're looking to learn more about Nanao's climate nuances, visit Nanao Climate for detailed insights.