Last updated: August 21, 2025
In January, Gero, Japan experiences a chilly winter climate characterized by a maximum temperature reaching 12°C (54°F) and an average of 0°C (33°F). Temperatures can drop to a minimum of -12°C (10°F), creating a brisk atmosphere ideal for cozy indoor activities or healthful winter sports. The region receives 89 mm (3.5 in) of precipitation over about 14 days, contributing to a humidity level of 82% that blankets the town in a frosty mist. Whether soaking in the local hot springs or enjoying the scenic winter landscapes, January in Gero offers a unique blend of charm and chill.
In Gero, Japan, January is characterized by cold temperatures, with minima plummeting to -12°C (10°F), while the average hovers around 0°C (33°F), giving residents a taste of winter's chill. As the month progresses, daytime highs reach a modest 12°C (54°F), hinting at the gradual transition to milder weather. This trend of cold retreats in subsequent months, with February experiencing even colder nights before temperatures begin to rise in March. By April, as spring approaches, a notable warming trend emerges, leading to more comfortable averages around 10°C (50°F) and progressively higher maxima throughout the spring and into summer. Overall, January serves as a stark reminder of Gero's winter climate, setting the stage for a vibrant seasonal shift as the year unfolds.
January in Gero, Japan, sees moderate precipitation, with an average of 89 mm (3.5 in) falling over approximately 14 days. This marks a transition from the drier winter months, characterized by similar rainfall levels in November and December, which each receive 89 mm and 103 mm respectively. As the season progresses into February, precipitation tends to increase, reaching 103 mm. This trend of rising rainfall continues into spring, indicating an escalation as the region approaches the wetter summer months. By contrast, the wettest month, July, experiences a staggering 527 mm (20.8 in) of rain over 25 days, showcasing the significant seasonal shifts in Gero’s climate.
In January, Gero, Japan, experiences a notable humidity level of 82%, providing a cool, yet slightly damp atmosphere that characterizes the winter season. As the months progress into February and March, humidity sees a slight decline, reaching 79% and 74%, respectively, offering a brief respite before the spring transition. However, as April approaches, the humidity levels stabilize at 76%, setting the stage for the rise during late spring and summer. May witnesses a surge back to 83%, leading into the sweltering months of June and July, where humidity soars to 87% and peaks at an oppressive 93%. The following months, August and September, maintain similar high humidity levels around 91% and 87%, creating a consistently muggy environment. As autumn arrives, humidity gradually decreases, settling at 85% in October and returning to the 83% mark for November and December. This cyclical pattern illustrates Gero's climate, where winters are damp and summers are characterized by an intense humidity that climaxes mid-year.
In Gero, Japan, the UV Index in January stands at a moderate level of 4, allowing for about 30 minutes of safe sun exposure before a burn could occur. As winter gives way to spring, residents experience a notable increase in UV radiation. By February, the index rises to 6, indicating a high exposure category with a reduced burn time of 25 minutes. The trend continues sharply upward into March and April, reaching a very high level of 8 and 10, where individuals must be cautious with just 15 minutes of exposure. The UV intensity peaks in May through July at an extreme 11 to 12, necessitating vigilant sun protection measures due to a dangerously short burn time of only 10 minutes. As summer transitions to fall, the UV Index begins to decline, stabilizing at moderate levels again by November and December, each with a UV Index of 4 and a return to 30 minutes of safe exposure. This seasonal fluctuation highlights the importance of sun safety year-round. For more detailed information, visit Gero UV Index.
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In Gero, Japan, January welcomes the year with a modest 180 hours of sunshine, marking the beginning of a gradual increase that continues through the months. As winter surrenders to spring, February sees an uptick to 232 hours, followed by March, which shines even brighter with 266 hours. The peak of sunshine occurs in May with an impressive 294 hours, just before the summer warmth takes center stage in August, where it reaches an exhilarating 296 hours. Interestingly, a slight decline begins after this peak, as the days shorten, leading to 268 hours in June and tapering off to 218 hours by December. This sunny trend reflects nature's gentle transition, inviting residents and visitors alike to revel in Gero's vibrant seasonal changes.
In Gero, Japan, the likelihood of sunny weather in January stands at 32%, marking the beginning of a gradual increase in sunshine as the year progresses. As winter transitions into spring, the chances of sunny days steadily rise, with February seeing a boost to 38% and reaching 39% by March. This upward trend continues through April, where the likelihood peaks to 45%. However, the sunny streak is short-lived, as May brings a dip to 23%, leading into the wetter summer months. Notably, October and November experience the highest chances of sunshine, topping out at 52% and 49%, respectively, making late autumn a delightful time for sun-seekers. While January offers modest sun, it's clear that Gero's weather patterns favor brighter days as the seasons shift towards spring and autumn.
In Gero, Japan, January marks the beginning of the year with about 10 hours of daylight, a trend that remains consistent through February. As spring approaches, the daylight begins to steadily increase, reaching 11 hours in March and then blossoming into 13 hours by April. This increase peaking at 14 hours during the summer months of May, June, and July, sets the stage for vibrant outdoor activities. However, as autumn descends, the daylight hours gradually start to wane, dropping back to 13 hours in August and continuing down to 10 hours by November, culminating in 9 hours in December. This rhythmic ebb and flow of sunlight not only reflects the changing seasons but also invites residents and visitors alike to embrace the unique beauty of each time of year in this charming locale.
In January, the serene winds of Gero, Japan gently sweep through the landscape at an average speed of 2.1 m/s (5 mph), setting the tone for the month. This calmness is consistent, as wind speeds remain steady throughout the winter months, with only slight fluctuations. As we transition into February, there’s a subtle uptick to 2.3 m/s, maintaining that tranquil vibe, while March to April mirror this gentle breeze, all hovering around 2.3 m/s. However, as spring unfolds into the warmer months, a noticeable decline emerges. In June, winds soften to 1.6 m/s, and by July, they settle at their weakest point of 1.3 m/s. The trend indicates a rather serene summer, with wind speeds gradually increasing again in the fall, culminating in a return to the winter breeze by December, echoing the calm that began the year. This harmonious cycle of gentle winds reflects the peaceful rhythm of Gero’s climate throughout the seasons.
Weather in Gero varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Gero, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit distinct weather patterns, with February slightly milder overall. In January, temperatures range from a minimum of -12°C (10°F) to a maximum of 12°C (54°F), with an average of 0°C (33°F) and precipitation occurring on 14 days, totaling 89 mm (3.5 in). The humidity level is relatively high at 82%. In contrast, February sees a broader temperature range, with lows of -15°C (5°F) and highs reaching 16°C (61°F), averaging 1°C (34°F). Although it experiences a slight increase in precipitation to 103 mm (4.1 in), rainfall is reported over fewer days—just 12. Humidity, meanwhile, decreases slightly to 79%. For more details about February weather, you can visit Gero weather in February.
January and March exhibit notable differences in weather, particularly in temperature and precipitation. January typically experiences colder temperatures, with a minimum of -12°C (10°F) and an average of 0°C (33°F), while March sees milder temperatures ranging from a minimum of -4°C (25°F) to an average of 6°C (43°F). The maximum temperature in March can reach up to 20°C (69°F), a significant increase compared to January's 12°C (54°F). Additionally, March is characterized by higher precipitation, totaling 183 mm (7.2 in) over 14 days, compared to January's 89 mm (3.5 in) over the same number of days. The humidity also differs, with January having a higher level at 82%, whereas March's humidity is lower at 74%. For more detailed insights on March weather, check out Gero weather in March.
January and April showcase a striking contrast in weather conditions. In January, temperatures hover between a chilly -12°C (10°F) and a mild 12°C (54°F), with an average of 0°C (33°F). This month sees substantial precipitation, totaling 89 mm (3.5 in) across 14 days, alongside high humidity levels at 82%. In contrast, April experiences a more temperate climate, with temperatures ranging from -3°C (27°F) to a pleasant 25°C (78°F) and an average temperature of 10°C (50°F). However, April brings even greater precipitation, reaching 233 mm (9.2 in) over 13 days, but with lower humidity at 76%. To learn more about the weather specifics in April, visit Gero weather in April.
In January, the weather is notably colder, with temperatures ranging from a frigid -12°C (10°F) to a maximum of 12°C (54°F) and an average temperature hovering around 0°C (33°F). The month sees significant precipitation, totaling 89 mm (3.5 in) over 14 days, accompanied by high humidity at 82%. In contrast, May brings a warm respite, with temperatures soaring from a minimum of 0°C (32°F) to a comfortable maximum of 29°C (84°F), and an average of 15°C (60°F). Precipitation increases dramatically to 230 mm (9.1 in) across the same number of rainy days, with humidity slightly lower at 83%. For more detailed insights into May weather, visit Gero weather in May.
In January, the weather is characterized by cold temperatures, with a minimum of -12°C (10°F) and an average around 0°C (33°F). Precipitation is moderate at 89 mm (3.5 in) over about 14 days, accompanied by a relatively high humidity level of 82%. In contrast, June experiences much warmer temperatures, ranging from a minimum of 7°C (45°F) to a comfortable maximum of 29°C (84°F), with an average of 19°C (66°F). However, June is significantly wetter, with 246 mm (9.7 in) of precipitation, also falling over 14 days, and slightly higher humidity at 87%. For more detailed information on Gero's June weather, you can check Gero weather in June.
In January, temperatures in Gero vary significantly, with a minimum of -12°C (10°F) and an average of 0°C (33°F), reaching a maximum of 12°C (54°F). The winter month is also marked by relatively low precipitation, totaling 89 mm (3.5 in), over about 14 days, while humidity sits at a chilly 82%. In contrast, July brings a dramatic shift, with temperatures ranging from a minimum of 15°C (59°F) to an average of 23°C (73°F), peaking at a high of 36°C (96°F). This summer month sees a surge in precipitation as well, with 527 mm (20.8 in) over approximately 25 days and elevated humidity at 93%. For more detailed information on the weather in July, visit Gero weather in July.
January and August present contrasting weather experiences. In January, temperatures range from a biting low of -12°C (10°F) to a mild high of 12°C (54°F), with an average temperature sitting at around 0°C (33°F). The month sees approximately 89 mm (3.5 in) of precipitation over 14 days and high humidity levels at 82%. In stark contrast, August features much warmer temperatures, with minimums of 14°C (58°F) and maximums peaking at a sweltering 35°C (94°F), averaging 24°C (76°F). Precipitation during this month is significantly higher at 316 mm (12.4 in) over 21 days, accompanied by humidity levels creeping up to 91%. For more detailed information, visit Gero weather in August.
January and September present starkly contrasting weather conditions. In January, temperatures range from a chilly -12°C (10°F) at night, averaging 0°C (33°F) during the day, and peaking at a mild 12°C (54°F). The month experiences 89 mm (3.5 in) of precipitation over 14 days, accompanied by high humidity levels of 82%. In contrast, September offers a much milder climate, with nighttime lows of 8°C (46°F) and daytime highs soaring to 33°C (91°F), averaging at a pleasant 20°C (69°F). This month is also much wetter, with precipitation reaching 273 mm (10.8 in) across 17 days, while humidity rises slightly to 87%. For more details on September weather, you can visit Gero weather in September.
January and October present contrasting weather conditions. January typically features colder temperatures, with lows reaching -12°C (10°F) and an average of around 0°C (33°F), while October boasts milder temperatures ranging from a minimum of 3°C (38°F) to an average of 15°C (59°F) and highs of 28°C (82°F). Precipitation is notably heavier in October, accumulating to 231 mm (9.1 in) over 14 days compared to January’s 89 mm (3.5 in) over the same number of days. Despite the increased rain in October, the humidity levels are relatively similar, with January at 82% and October slightly higher at 85%. For more specific details, you can refer to Gero weather in October.
In January, temperatures can drop significantly, with a minimum of -12°C (10°F) and an average of 0°C (33°F), while the maximum reaches only 12°C (54°F). This month also sees about 89 mm (3.5 in) of precipitation over 14 days, along with a humidity level of 82%. In contrast, November experiences milder temperatures, with a minimum of -2°C (29°F), an average of 8°C (47°F), and a maximum of 19°C (67°F). Precipitation remains the same at 89 mm (3.5 in) but occurs over fewer days—just 9—while humidity is slightly higher at 83%. For more details, you can check Gero weather in November.
When comparing January and December weather, January tends to be colder overall, with average temperatures hovering around 0°C (33°F) and minimums dropping to -12°C (10°F). In contrast, December experiences slightly milder conditions, with an average temperature of 3°C (38°F) and minimums only going down to -4°C (24°F). Precipitation levels are relatively similar, with January receiving 89 mm (3.5 in) and December slightly higher at 103 mm (4.1 in), both spread over 14 days. Humidity remains comparable in both months, at 82% for January and 83% for December. For more detailed information on December weather, visit Gero weather in December.
January in Gero is characterized by its cold temperatures and relatively high humidity, setting it apart from the milder months of autumn and the warmer summer season. With an average temperature hovering around freezing, residents and visitors alike experience brisk days, where frosty mornings can plunge to frigid lows. The month sees a notable amount of precipitation—14 days of rain or snow—adding to the chill in the air. This makes January a month of stark contrasts and cozy indoor retreats, perfect for enjoying the town's famous hot springs. For a deeper understanding of Gero's weather patterns throughout the year, visit Gero Climate.