Last updated: August 21, 2025
In Shirahama, Japan, January presents a unique winter climate characterized by mild temperatures and noticeable humidity. The maximum temperature can reach up to 18°C (64°F), while the average hovers around 8°C (47°F), dipping to a minimum of 1°C (34°F) at night. Rainfall is a common occurrence, with precipitation totaling 77 mm (3.0 in) over approximately 9 days, making it essential to prepare for wet conditions. With an average humidity level of 72%, visitors can expect a cool and somewhat damp atmosphere, perfect for enjoying the tranquil beauty of the region's winter landscapes.
In January, Shirahama, Japan, experiences cool temperatures that vary from a brisk 1°C (34°F) at night to a mild 18°C (64°F) during the day, with an average of 8°C (47°F). This month marks a transition into the cooler winter months, as temperatures hover around these comfortable but chilly levels. Progressing into February, the thermometer remains steady, with similar minimum and average temperatures, but slightly nudging the maximum up to 18°C (65°F). As March arrives, a gradual warming trend begins, ushering in more pleasant days with highs reaching 19°C (66°F). This pattern of increasing warmth continues into the spring, with April bringing average temperatures of 15°C (59°F) and daytime highs peaking at 21°C (70°F). Thus, January serves as a prelude to a season of gradual warmth, setting the stage for the vibrancy that unfolds as winter gives way to spring.
In January, Shirahama experiences a relatively mild level of precipitation, with 77 mm (3.0 in) of rain falling over approximately 9 days. This marks the beginning of the wet season, which gradually intensifies as the year progresses. Just a month later, in February, the rainfall increases to 98 mm (3.9 in), hinting at a trend towards wetter conditions as spring approaches. Notably, the rain reaches its peak in the summer months, particularly in July with a staggering 353 mm (13.9 in), significantly highlighting the region's monsoon-like patterns. As winter re-emerges, precipitation levels notably taper off, with only 72 mm (2.8 in) recorded in November, suggesting a seasonal shift that leaves January as a transitional month, paving the way for the wet and vibrant spring ahead.
In January, Shirahama experiences a humidity level of 72%, setting the stage for a cool yet comfortably moist winter month. This initial humidity begins a gradual decline as February and March both settle at 69%, providing a brief respite before the increase begins again. As spring approaches, humidity rises to 75% in April, reaching a peak of 82% by May, coinciding with the onset of the rainy season. The summer months bring a significant surge, with July hitting an impressive 92%, maintaining a high level of moisture throughout August at 86%. As the year progresses into autumn, humidity levels gradually decline, concluding with 74% in December, yet remaining elevated compared to the winter months. This pattern showcases Shirahama's characteristic climate, marked by humid summers and relatively mild winters, making it an ideal destination for those who enjoy a soft and moist atmosphere year-round.
In January, Shirahama experiences a moderate UV Index of 4, indicating that while sun exposure is manageable, caution is still advised, particularly with a burn time of 30 minutes. As the year progresses, the UV levels escalate, peaking in the summer months. By February, the index climbs to 6, categorizing it as high, and as we move into March and April, it spikes to 9 and 10, respectively, signifying very high exposure risk with a drastically reduced burn time of just 15 minutes. The trend continues into May and June, reaching an extreme UV Index of 11, demanding vigilance with only 10 minutes of safe exposure. This extreme level persists through July and August, before gradually falling to very high in September and back to high as autumn arrives. By October and November, the UV Index returns to 6 for the latter part of the year, eventually dipping back to 4 in December, highlighting the seasonal fluctuation in sun intensity. For more details, visit Shirahama UV Index.
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In Shirahama, Japan, the allure of sunshine begins to blossom in January, with 188 hours of sunlight laying the groundwork for the year ahead. As February rolls in, daylight increases, marking the start of a gradual ascending trend that peaks in the vibrant month of August, boasting a remarkable 323 hours. Following this summer zenith, the sunshine begins to wane, yet still maintains a pleasing presence through the autumn months, with October and November offering 244 and 243 hours respectively. The transition into winter sees a dip in daylight, yet each month showcases the rhythmic dance of seasons, reinforcing Shirahama's charm as a destination that evolves with the sun's journey across the sky.
In Shirahama, Japan, the likelihood of enjoying sunny weather in January stands at 45%, offering a glimpse of brightness amid winter's chill. While this percentage is not the highest of the year, it sets a foundation for an increase in sunny days as the seasons transition. Notably, February experiences a 54% chance of sunshine, hinting at a promising start to spring. As the months progress, the trend shifts, with March and April closely following at 46% and 49%, respectively. However, the sunny disposition begins to wane in late spring and summer, where the chances dip to 29% and 25% in May and June. Overall, January presents a moderate opportunity for sun enthusiasts, while subsequent months showcase fluctuations that may influence travel and outdoor plans.
In Shirahama, Japan, January marks a season where daylight hangs around for about 10 hours, setting the tone for the winter month. As the calendar flips to February, daylight remains steady, also at 10 hours. However, the arrival of March breathes new life into the days, with sunlight stretching to 11 hours. This trend of increasing daylight continues, reaching its peak in June and July at 14 hours, inviting longer afternoons and vibrant sunsets. As summer fades into autumn, daylight gradually diminishes, dropping to 12 hours in September and further reducing to 10 hours by November. Finally, December closes the year with shorter days, offering just 9 hours of light. This rhythmic ebb and flow of daylight throughout the year paints a vivid picture of Shirahama's seasonal transitions.
January in Shirahama, Japan, ushers in the year with a brisk average wind speed of 6.4 m/s (14 mph), matching the winds of February and marking a steady start to the winter months. As the season progresses into March and April, the breeze begins to taper off slightly, descending to 6.0 m/s (13 mph) and then 5.8 m/s (13 mph), hinting at the calm before spring fully arrives. This trend continues into the warmer months, with winds easing further, reaching their lowest point at 3.8 m/s (8 mph) in June. However, August brings a subtle uptick, as the winds rise to 5.1 m/s (11 mph), suggesting the shifting energy as summer transitions into fall. By November, the winds pick up again, culminating in December with an increase to 6.5 m/s (15 mph), reminiscent of the robust start of the year. This cyclical pattern of wind speeds encapsulates the dynamic climate of Shirahama, where each season has its own distinct character, inviting both tranquility and the refreshing vigor of nature.
Weather in Shirahama varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Shirahama, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February share similar temperature ranges, with January experiencing a minimum of 1°C (34°F) and a maximum of 18°C (64°F), and February closely mirroring these figures with a minimum of 1°C (35°F) and a maximum of 18°C (65°F). However, February sees slightly more precipitation, totaling 98 mm (3.9 in) over 10 days compared to January's 77 mm (3.0 in) over 9 days, resulting in a wetter month. Humidity levels remain comparable, with January at 72% and February slightly lower at 69%. For a detailed look at February's weather in Shirahama, you can visit Shirahama weather in February.
In January, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 18°C (64°F), with an average of 8°C (47°F). The month sees around 77 mm (3.0 in) of precipitation over approximately 9 days, accompanied by a humidity level of 72%. In contrast, March experiences slightly warmer temperatures, with minimums at 4°C (39°F) and maximums reaching 19°C (66°F), culminating in an average of 12°C (53°F). However, it also brings increased rainfall, totaling 149 mm (5.9 in) over 11 days, while humidity remains relatively stable at 69%. For more detailed insights on March weather, check out Shirahama weather in March.
January and April present contrasting weather patterns, highlighting the transition from winter to spring. In January, temperatures range from a chilly 1°C (34°F) to a mild 18°C (64°F), with an average of 8°C (47°F). The month sees about 77 mm (3.0 in) of precipitation over nine days, coupled with a relative humidity of 72%. In contrast, April experiences warmer conditions, with minimum temperatures starting at 6°C (44°F) and reaching up to 21°C (70°F), averaging 15°C (59°F). Rainfall increases significantly to 148 mm (5.8 in) over ten days, while humidity creeps up slightly to 75%. For more details on the weather in April, visit Shirahama weather in April.
In January, temperatures in Shirahama range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 18°C (64°F), with an average of 8°C (47°F). The month sees about 77 mm (3.0 in) of precipitation over 9 days and a humidity level of 72%. In contrast, May offers a much warmer climate, with temperatures fluctuating from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), averaging around 19°C (66°F). However, the month is significantly wetter, with 203 mm (8.0 in) of rainfall distributed across 10 days and slightly higher humidity at 82%. Overall, while January is cooler and drier, May is warmer and wetter, making it ideal for different activities. For more details on May conditions, check out Shirahama weather in May.
In January, the weather tends to be cooler, with average temperatures ranging from 1°C (34°F) to a maximum of 18°C (64°F), and a relatively lower humidity of 72%. The month also experiences around 77 mm (3.0 in) of precipitation over 9 days. In contrast, June brings warmer temperatures, with a minimum of 16°C (61°F) and an average high of 26°C (79°F). However, it also sees increased rainfall, with 237 mm (9.3 in) spread over 14 days and higher humidity at 87%. For a more detailed look at the conditions, check out Shirahama weather in June.
In January, the weather is relatively cool, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 18°C (64°F), while the average hovers around 8°C (47°F). This month sees about 77 mm (3.0 in) of precipitation over approximately 9 days, accompanied by a relatively mild humidity of 72%. In stark contrast, July brings much warmer conditions, with temperatures starting at a minimum of 21°C (71°F) and reaching up to 31°C (88°F), averaging around 26°C (78°F). This summer month experiences significantly higher precipitation, totaling 353 mm (13.9 in) over 18 days, and a notable increase in humidity at 92%. For more specific details about July weather in Shirahama, you can check out Shirahama weather in July.
In January, the weather is relatively cool, with average temperatures ranging from a low of 1°C (34°F) to a high of 18°C (64°F). This month experiences about 77 mm (3.0 in) of precipitation over 9 days and a humidity level of 72%. In stark contrast, August brings much warmer conditions, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 31°C (89°F). Precipitation significantly increases to 227 mm (8.9 in), occurring over 14 days, along with a higher humidity level of 86%. For more details about the weather in August, you can check Shirahama weather in August.
In January, temperatures are significantly cooler, with minimums around 1°C (34°F) and maximums reaching up to 18°C (64°F), accompanied by an average precipitation of 77 mm (3.0 in) over about 9 days. The humidity during this month stands at 72%, creating a crisp winter atmosphere. In contrast, September boasts much warmer temperatures, with a minimum of 19°C (67°F) and maximums peaking at 30°C (86°F). This month sees a higher precipitation level of 239 mm (9.4 in) spread over 16 days, alongside an increase in humidity to 82%. For more detailed insights into September weather, you can visit Shirahama weather in September.
In January, temperatures typically range from a chilly minimum of 1°C (34°F) to a mild maximum of 18°C (64°F), with an average of around 8°C (47°F). The month experiences about 77 mm (3.0 in) of precipitation over approximately 9 days, and the humidity hovers around 72%. In contrast, October boasts much warmer conditions, with temperatures ranging from a minimum of 13°C (56°F) to a comfortable maximum of 27°C (81°F), leading to an average of 21°C (69°F). However, October is significantly wetter, receiving around 307 mm (12.1 in) of rain over 13 days, and also has slightly higher humidity at 79%. For more specific details on October weather, you can check Shirahama weather in October.
In January, the weather tends to be cooler, with a minimum temperature of around 1°C (34°F) and an average of 8°C (47°F). The maximum temperature reaches only 18°C (64°F), accompanied by 77 mm (3.0 in) of precipitation over approximately 9 days, resulting in a humidity level of 72%. In contrast, November offers milder conditions, with minimum temperatures starting at 8°C (47°F), averaging 16°C (61°F), and peaking at 23°C (73°F). The precipitation during this month is slightly lower at 72 mm (2.8 in) spread over 7 days, leading to a marginally higher humidity of 75%. For more detailed information, check out Shirahama weather in November.
January weather is generally cooler than December, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 18°C (64°F), compared to December's range of 3°C (38°F) to 20°C (69°F). The precipitation in January is slightly lower at 77 mm (3.0 in) over 9 days, while December sees a bit more rain, totaling 85 mm (3.4 in) also over 9 days. Humidity levels are comparable, with January at 72% and December slightly higher at 74%. For more detailed insights, you can check Shirahama weather in December.
January in Shirahama presents a blend of cool temperatures and moderate precipitation, establishing a refreshing contrast to the milder months of spring and summer. While the maximum temperatures may feel brisk under the winter sun, the average daily highs invite visitors to explore the scenic coastline wrapped in cozy layers. With a decent humidity level, the air carries a crispness that is ideal for those seeking a serene escape. Although rainfall is more prevalent this month, it adds a vibrant touch to the lush landscapes, making it a unique time to connect with nature. For a deeper dive into the seasonal shifts and characteristics, check out Shirahama Climate.