Last updated: August 21, 2025
In Katsuura, Japan, January showcases a diverse climate, characterized by a maximum temperature of 18°C (65°F) and an average of 7°C (46°F). While winter ushers in cooler conditions, the minimum temperature can dip to 0°C (31°F), presenting a chill in the air. Rainfall is a common feature, with precipitation totaling 65 mm (2.6 in) over 6 rainy days, contributing to the region's lush landscape. The humidity level hovers around 70%, adding a unique texture to the city's winter atmosphere. Prepare for a refreshing yet mild winter experience in this picturesque coastal town.
In Katsuura, Japan, January experiences a chilly embrace, with temperatures ranging from a brisk 0°C (31°F) at night to a mild 18°C (65°F) during the day. The average temperature settles around 7°C (46°F), indicating a sharp contrast to the warmer months ahead. As the region gradually transitions into February, temperatures rise slightly, hinting at the approaching spring with a minimum of 0°C (33°F) and a maximum of 19°C (66°F). This steady upward trend continues into March, where average highs reach 21°C (69°F), setting the stage for a smooth transition into the much warmer and vibrant seasons that follow. Overall, January serves as the cool foundation for the delightful climate that characterizes Katsuura, making it an intriguing time to witness the nuanced shifts of the Japanese winter.
In January, Katsuura experiences a moderate precipitation level of 65 mm (2.6 in) over approximately 6 days of rainfall, setting the tone for a month that transitions from the drier winter season to a wetter spring. This rainfall is somewhat less than February's 57 mm (2.3 in) and contrasts sharply with the upcoming months, where precipitation begins to soar. March sees a significant uptick, leapfrogging to 163 mm (6.4 in), leading into the wettest months of June and July, which average around 185 mm (7.3 in) and 207 mm (8.2 in), respectively. The trend is clear: as winter gives way to spring and summer, Katsuura's rainfall not only increases in quantity but also in frequency, culminating in a lush, vibrant landscape by midsummer. This gradual shift illustrates the region's seasonal transformation and the vital role precipitation plays in shaping its climate.
In Katsuura, Japan, January greets residents with a humidity level of 70%, setting a cool and slightly moist tone for the new year. As winter transitions into spring, humidity gradually decreases, reaching 68% in March before making a noticeable climb in April to 73%. As the warm months approach, humidity levels soar, particularly in the summer, peaking at a sweltering 94% in July. Following this peak, humidity begins to ebb again, stabilizing at 78% in October and tapering off to 72% in December. This evident fluctuation highlights Katsuura's distinct seasonal contrasts, with winter offering a refreshing chill and summer embracing a lush, humid warmth.
In January, Katsuura, Japan, experiences a moderate UV Index of 4, requiring about 30 minutes before the skin is susceptible to sunburn. As winter gives way to spring, the UV Index gradually rises, peaking at 11 in May through August, categorizing these summer months as extreme, with a rapid reduction in safe exposure time to just 10 minutes. The transition into autumn sees a decline, with UV levels dropping to 10 in September, then to 7 in October, as citizens enjoy longer burn times again. By November and December, the index returns to a moderate 4. This seasonal variation highlights the importance of sun protection, especially during the high-risk summer months. For more details, visit Katsuura UV Index.
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Katsuura, Japan, welcomes the new year with 184 hours of sunshine in January, marking the beginning of a steady climb toward more radiant days. As winter gives way to spring, the sun's presence expands, peaking at 289 hours in May. The warm months shine brightest, with August dazzling under 310 hours of sun, offering a vibrant, sun-kissed atmosphere. As summer transitions to autumn, the hours gradually taper off, yet remain delightful, with October and November still basking in over 200 hours of daylight. This gentle ebb and flow of sunshine illustrates Katsuura’s charm, where each month brings its own golden moments and a unique reason to revel in the beauty of nature.
In Katsuura, Japan, January sees a 51% chance of sunny weather, making it one of the more promising months for sunshine during the winter. As the year progresses, February enjoys a boost with a 62% likelihood, suggesting an early hint of spring. However, the trend shifts in March, where the chances drop to 39%, and April sees only a modest recovery at 49%. Notably, the summer months bring a decline in sunny days, with June and July hovering around 22% and 36%, respectively. Notably, December starts reflecting a more favorable 64% chance, hinting at a return to clearer skies as the year concludes. Overall, Katsuura’s weather patterns illustrate a fascinating ebb and flow of sunshine, fluctuating significantly with each season.
In Katsuura, Japan, January marks the beginning of the year's daylight cycle, offering a solid 10 hours of sunlight. As winter gives way to spring, daylight gradually increases, with February maintaining the same 10 hours before expanding to 11 hours in March. The shift becomes more pronounced in April and May, where daylight stretches to 13 and 14 hours, respectively, inviting the vibrant blooms of spring and the warmth of early summer. This peak continues through June and July, staying steady at 14 hours, providing ample time for outdoor pursuits. As summer wanes into August, daylight begins to recede slightly but remains high at 13 hours. The descent continues into the fall months, with September offering 12 hours, and gradually diminishing to 10 hours in November. Finally, December sees daylight dip to its lowest at just 9 hours, closing the year with shorter, darker days. Overall, Katsuura's daylight dynamics gracefully illustrate the transition from winter's chill to the vibrant energy of summer, before returning to the quieter tone of winter.
In Katsuura, Japan, January ushers in a gentle breeze with an average wind speed of 3.8 m/s (8 mph), setting the stage for a tranquil start to the year. As winter transitions to spring, February experiences a noticeable increase in winds, peaking at 4.5 m/s (10 mph) before slightly tapering in March. The months ahead maintain a relatively consistent wind pattern, with speeds hovering around 4.0 m/s (9 mph) through to November, while summer sees a dip in wind activity, especially in July and August, with lows of 2.9 m/s (6 mph). This trend highlights Katsuura's dynamic climate, where seasonal shifts influence not just temperature but the familiar caress of the wind, providing a rhythmic backdrop to life in this coastal town.
Weather in Katsuura varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Katsuura, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February showcase a gradual transition in weather conditions. January typically experiences slightly cooler temperatures, with an average of 7°C (46°F), while February sees a marginal rise to an average of 8°C (47°F). Both months have similar minimum temperatures of 0°C, but February can reach a maximum of 19°C (66°F), just edging out January's 18°C (65°F). Precipitation levels are relatively comparable, with January receiving 65 mm (2.6 in) over 6 days, while February has slightly lower precipitation at 57 mm (2.3 in) over 9 days. The humidity remains quite similar, hovering around 70% in January and 69% in February. For more detailed weather insights, you can visit Katsuura weather in February.
In January, the weather is characterized by cooler temperatures, with a minimum of 0°C (31°F) and an average of 7°C (46°F), reaching a maximum of 18°C (65°F). Precipitation is relatively low, totaling 65 mm (2.6 in) over just six days, and humidity levels hover around 70%. In contrast, March brings a noticeable warming trend, with temperatures ranging from a minimum of 2°C (37°F) to an average of 11°C (53°F), and reaching a maximum of 21°C (69°F). However, March also experiences significantly higher rainfall, accumulating 163 mm (6.4 in) across 14 days, while humidity remains slightly lower at 68%. For more detailed insights into the weather during this month, check out Katsuura weather in March.
January weather is characterized by cooler temperatures, with a minimum of 0°C (31°F) and an average of 7°C (46°F), while April brings a noticeable warmth, featuring a minimum of 4°C (40°F) and an average of 15°C (59°F). The maximum temperatures in January reach up to 18°C (65°F), whereas April can soar to 23°C (74°F). In terms of precipitation, January sees about 65 mm (2.6 in) over 6 days, while April has increased rainfall of 112 mm (4.4 in) across 10 days, indicating a shift towards a wetter season. Despite this, humidity remains similar in both months, slightly rising from 70% in January to 73% in April. For more detailed information, check out Katsuura weather in April.
In January, temperatures are quite cool, ranging from a minimum of 0°C (31°F) to a maximum of 18°C (65°F), with an average temperature of 7°C (46°F). During this month, precipitation averages 65 mm (2.6 in) over about six days, and humidity levels sit around 70%. In contrast, May brings much warmer weather, with minimum temperatures rising to 11°C (52°F) and maximums reaching up to 28°C (82°F), resulting in an average temperature of 19°C (67°F). However, May also sees an increase in precipitation, totaling 135 mm (5.3 in) across approximately twelve days, along with a higher humidity level of 81%. For more details on weather in May, you can check Katsuura weather in May.
January and June present starkly contrasting weather patterns. In January, temperatures range from a minimum of 0°C (31°F) to a maximum of 18°C (65°F), with an average of 7°C (46°F). The month experiences relatively low precipitation of 65 mm (2.6 in) over just 6 days, and humidity hovers around 70%. In contrast, June sees much warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 29°C (85°F), averaging 22°C (72°F). This month is also characterized by higher rainfall, totaling 185 mm (7.3 in) across 15 days, and a notable increase in humidity at 88%. For a detailed look at June's weather, check out Katsuura weather in June.
In January, the weather is notably cooler with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 18°C (65°F), accompanied by an average of 7°C (46°F). The month experiences moderate precipitation of 65 mm (2.6 in) over just 6 days, and the humidity is relatively comfortable at 70%. In stark contrast, July brings a dramatic shift with higher temperatures, where the minimum is 19°C (67°F) and can reach as high as 34°C (93°F), averaging around 26°C (78°F). This summer month sees significantly more rainfall, totaling 207 mm (8.2 in) over 17 days, coupled with increased humidity levels at 94%. For more insight into the July climate, check out Katsuura weather in July.
January and August present starkly contrasting weather patterns. In January, temperatures are quite cool, with averages around 7°C (46°F) and highs reaching only 18°C (65°F). The month sees around 65 mm (2.6 in) of precipitation over six days, accompanied by a relatively mild humidity level of 70%. In contrast, August boasts much warmer conditions, with minimum temperatures starting at 21°C (70°F) and averaging 28°C (82°F), peaking at a sweltering 34°C (94°F). The rainfall in August is more pronounced, totaling 121 mm (4.7 in) over 15 days, and humidity levels rise to a steamy 87%. For more detailed insights, check out Katsuura weather in August.
In January, the weather is much cooler, with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 18°C (65°F) and an average temperature of 7°C (46°F). The month sees about 65 mm (2.6 in) of precipitation over approximately 6 days, accompanied by a humidity level of 70%. In contrast, September offers significantly warmer temperatures, with lows of 16°C (62°F), highs reaching up to 33°C (91°F), and an average temperature of 24°C (76°F). This month experiences more rainfall, totaling 196 mm (7.7 in) across 17 days and with a higher humidity of 83%. For a more detailed look at Katsuura's weather during this month, check out Katsuura weather in September.
January and October present starkly contrasting weather conditions. In January, temperatures range from a chilly minimum of 0°C (31°F) to a mild maximum of 18°C (65°F), with an average of 7°C (46°F). Precipitation is modest at 65 mm (2.6 in) over just 6 days, and humidity hovers around 70%. In contrast, October is considerably warmer, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 28°C (83°F), averaging 20°C (68°F). However, this month sees a significant increase in rainfall, totaling 274 mm (10.8 in) across 15 days, and humidity rises to 78%. For more detailed insights, you can check Katsuura weather in October.
January and November present distinct weather patterns. In January, temperatures range from a chilly minimum of 0°C (31°F) to a mild maximum of 18°C (65°F), with an average temperature of 7°C (46°F). The month experiences about 65 mm (2.6 in) of precipitation over approximately 6 days, with humidity levels around 70%.
Conversely, November is noticeably warmer, with temperatures ranging from a minimum of 5°C (42°F) to a pleasant maximum of 23°C (74°F), and an average of 15°C (60°F). This month sees increased rainfall, totaling approximately 122 mm (4.8 in) over around 11 days, and slightly higher humidity at 74%. For those interested in more details about the climate, you can visit Katsuura weather in November.
When comparing the weather of January and December, January tends to be slightly cooler but drier. January's minimum temperature hovers around 0°C (31°F) with an average of 7°C (46°F) and a maximum of 18°C (65°F), while December features higher temperatures, with a minimum of 1°C (33°F), an average of 10°C (51°F), and a maximum reaching 22°C (71°F). Additionally, December sees more precipitation, totaling 87 mm (3.4 in) over 9 days, compared to January's 65 mm (2.6 in) over just 6 days. Humidity levels are also modestly higher in December at 72%, compared to January's 70%. For more details on December weather in Katsuura, you can check Katsuura weather in December.
As January unfolds in Katsuura, the weather takes a decidedly cool turn, with calmer temperatures and heightened humidity compared to the bustling months that precede it. This mid-winter month typically brings occasional rainfall, contributing to the region's overall atmospheric richness. While the temperature may dip, it creates a cozy charm unique to Katsuura in January, inviting visitors to explore its serene landscapes. For more detailed insights into Katsuura's seasonal patterns, check out Katsuura Climate.