Last updated: August 21, 2025
Experience the January weather in Tsushima, Japan, marked by a diverse range of temperatures. With a maximum of 19°C (66°F) and an average of 8°C (47°F), days can be pleasantly mild, while nighttime can dip to a chilly -2°C (28°F). Expect 68 mm (2.7 in) of precipitation over approximately 8 days, contributing to the island’s lush landscapes. Humidity levels linger around 72%, adding a crispness to the cool air. Whether you're savoring the tranquil winter scenery or preparing for unexpected rain, Tsushima's January climate offers a unique charm for every visitor.
In January, Tsushima, Japan experiences a cool winter climate that showcases a striking range of temperatures. With minimums dipping to -2°C (28°F) and maximums reaching 19°C (66°F), the early month holds onto a brisk chill, balanced by the occasional warmth of sunlit afternoons. The average temperature settles comfortably at 8°C (47°F), hinting at the gradual shift towards milder days as the month progresses. This transitional period sets the stage for February, where temperatures remain consistent, suggesting a persistent winter, before ushering in a steady warming trend by March. As spring approaches, the temperatures climb, revealing Tsushima's dynamic seasonal shifts, from the frosty embrace of January to the forthcoming gentle warmth of spring.
In January, Tsushima, Japan, experiences moderate precipitation, with an average of 68 mm (2.7 inches) spread over approximately 8 days. This sets the tone for the winter months, where rainfall gradually shifts towards spring's increasing deluge. As February rolls in with slightly less rain at 59 mm, the trend of sparse precipitation continues before giving way to a notable rise in March to 127 mm. The month-to-month increase highlights the transition into the wetter season, peaking dramatically in the summer months. The pattern clearly indicates that while January offers a relatively dry winter respite, it is merely a precursor to the forthcoming heavy showers, especially in July and September, where precipitation surges to over 200 mm each month.
In January, Tsushima, Japan, experiences a notable humidity level of 72%, setting the stage for the months to come. As winter unfolds, humidity begins a gradual decline, dropping to 67% in February and reaching its annual low of 65% in March. However, with the arrival of spring, humidity levels surge, peaking at 83% in May and escalating further into the summer months, where it hits a staggering 95% in July. This pattern highlights a clear trend: the mix of seasonal transitions dramatically influences humidity, with winter and early spring presenting drier conditions, while summer brings heavy moisture, creating a rich, humid environment that persists through much of the year.
In January, Tsushima, Japan experiences a moderate UV Index of 4, indicating a burn time of 30 minutes for unprotected skin. As the month progresses towards February, the UV Index rises to 5, maintaining this moderate exposure level but hinting at the increasing intensity of sunlight as winter wanes. Notably, March marks a significant shift with the UV Index jumping to 7, transitioning to a high exposure category and reducing burn time to 25 minutes. This upward trend continues into spring and summer, peaking at an extreme Index of 12 in both July and August, where caution is crucial as the burn time shortens to just 10 minutes. As autumn approaches, the UV Index begins to taper off, descending to moderate levels again by November. For comprehensive UV insights throughout the year, visit Tsushima UV Index.
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In January, Tsushima, Japan, welcomes a modest 193 hours of sunshine, setting the stage for a gradual increase in daylight as the months progress. By February, the sun's presence grows to 236 hours, hinting at the advent of spring. March ushers in a more vibrant 268 hours, while April and May dazzle with 285 and 307 hours respectively, showcasing the island's blooming beauty. As summer approaches, June maintains a healthy 301 hours of sunlight, followed closely by July and August, which shine brightly with 294 and 313 hours. The sun's retreat begins in September, dropping to 257 hours, followed by a gentle decline through the autumn months—October with 258 hours, November at 239 hours, and December closing the year with 233 hours. This continuous cycle of sunshine reflects the enchanting transformations of Tsushima’s seasons, captivating visitors with each passing month.
In January, Tsushima, Japan, experiences a 33% chance of sunny weather, marking one of the year's lower probabilities for sun. This trend continues into February, where the likelihood of sunshine increases notably to 46%, hinting at a gradual shift towards brighter days as winter wanes. Throughout the spring months, March and April offer 38% and 41% chances respectively, while May sees a slight dip back to 38%. Interestingly, the summer months bring a decline in sunshine, particularly in July with only 24% chance, before recovering slightly into the autumn. October and November present a more favorable 54% and 53% respectively, highlighting that while January can be drizzly, the latter part of the year promises a return to sunnier skies.
In January, Tsushima, Japan, enjoys a modest 10 hours of daylight, a trend that remains steady into February. As the seasons transition, daylight begins to extend noticeably in March, increasing to 11 hours, and continues to grow through the spring months, peaking at 13 hours in both April and May. The warmth of summer brings about the longest days, where daylight stretches to 14 hours in June and July. However, as summer fades, daylight begins to wane, with a gradual decrease through August and September, and a return to shorter days by October. By November, the daylight dips again to 10 hours, and culminates in December, which sees the least sunlight of the year at 9 hours. This cyclical pattern highlights the harmonious rhythm of nature as Tsushima transitions from the brisk beginnings of winter through the vibrant life of summer.
In January, the winds of Tsushima, Japan dance with a brisk average speed of 8.4 m/s (19 mph), setting the tone for the chilly winter months. As the calendar turns to February, this robust wind speed slightly eases to 8.3 m/s, maintaining a consistent strength that ushers in early spring. However, by March, the winds begin to mellow further, dropping to 7.7 m/s (17 mph) as nature prepares for the soft blooms ahead. The trend continues into April and May, with speeds gradually declining to 7.3 m/s and 6.9 m/s, respectively, whispering of a gentler season. As summer approaches, winds further decrease, reaching their calmest in June at 5.0 m/s (11 mph). Interestingly, throughout the summer months, a slight uptick occurs, with July and August recording 6.1 m/s and 6.2 m/s respectively, before the autumn breezes return with more vigor in September and November, averaging around 7.5 m/s and 7.6 m/s. December hints at winter’s return with a speed increase to 7.8 m/s, wrapping up the year with a gusty farewell. Overall, this wind data reflects a rhythmic ebb and flow, mirroring the seasonal transitions that define the unique climate of Tsushima.
Weather in Tsushima varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Tsushima, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February showcase slightly differing weather patterns. In January, temperatures range from a minimum of -2°C (28°F) to a maximum of 19°C (66°F), with an average of 8°C (47°F). This month experiences about 68 mm (2.7 in) of precipitation over 8 days, coupled with a humidity level of 72%. In contrast, February sees a minimal increase in the minimum temperature at -1°C (31°F) and a slightly lower maximum of 17°C (62°F), while maintaining the same average of 8°C (47°F). The precipitation in February decreases to 59 mm (2.3 in), also spread over 8 days, and humidity drops to 67%. For more details on the weather in February, you can visit Tsushima weather in February.
In January, temperatures range from a chilly -2°C (28°F) at night to a mild 19°C (66°F) during the day, with an average of 8°C (47°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 8 days, contributing to a humidity level of 72%. In contrast, March brings slightly warmer temperatures, with nighttime lows of 4°C (40°F) and daytime highs reaching 17°C (64°F), averaging at 12°C (54°F). However, March is wetter, receiving 127 mm (5.0 in) of rainfall over 10 days, while the humidity decreases to 65%. For more details on March weather, you can check Tsushima weather in March.
January and April exhibit distinct differences in weather patterns. In January, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 19°C (66°F), with an average of 8°C (47°F). The month sees approximately 68 mm (2.7 in) of precipitation over 8 days, coupled with a humidity level of 72%. In contrast, April brings milder conditions, with minimum temperatures of 7°C (45°F) and an average high of 20°C (69°F), settling at an overall average of 15°C (58°F). However, it also experiences higher rainfall, totaling 122 mm (4.8 in) over the same number of days, while maintaining a humidity level of 75%. For a closer look at what to expect, check out the details in Tsushima weather in April.
January and May exhibit notable differences in weather conditions. In January, temperatures range from a chilly minimum of -2°C (28°F) to an average of 8°C (47°F), reaching a maximum of 19°C (66°F). The month experiences a total precipitation of 68 mm (2.7 in) over approximately 8 days, with a humidity level at 72%. In contrast, May brings significantly warmer temperatures, with a minimum of 12°C (53°F), an average of 18°C (65°F), and a high of 22°C (72°F). Although May sees increased rainfall, totaling 116 mm (4.6 in) over the same number of days, the humidity rises slightly to 83%. For a closer look at the May weather specifically, you can visit Tsushima weather in May.
In January, the weather is quite cool, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 19°C (66°F) and an average of 8°C (47°F). Precipitation is moderate at 68 mm (2.7 in) over about 8 days, accompanied by a humidity level of 72%. In contrast, June experiences much warmer conditions, with temperatures ranging from a minimum of 17°C (64°F) to a maximum of 25°C (77°F) and an average of 21°C (70°F). The month sees increased rainfall, totaling 159 mm (6.3 in) across roughly 9 days, along with even higher humidity at 87%. For a more detailed look at the weather in June, you can check out Tsushima weather in June.
January and July showcase strikingly different weather patterns. In January, temperatures range from a brisk -2°C (28°F) to a milder 19°C (66°F), with an average of 8°C (47°F). The month has relatively low humidity at 72% and experiences around 68 mm (2.7 in) of precipitation over 8 days. In contrast, July brings warmer temperatures, with a minimum of 21°C (69°F), an average of 25°C (77°F), and a maximum of 30°C (86°F). The summer month is notably wetter, receiving 273 mm (10.8 in) of rainfall over 14 days, along with high humidity at 95%. For more details on July weather, you can check Tsushima weather in July.
January and August present stark contrasts in weather conditions. In January, temperatures range from a chilly -2°C (28°F) at their lowest to a mild 19°C (66°F) at their peak, with an average temperature of around 8°C (47°F). The month experiences about 68 mm (2.7 in) of precipitation over 8 days, and humidity hovers around 72%. In sharp contrast, August features much warmer temperatures, with a minimum of 23°C (73°F) and a maximum reaching 31°C (87°F), averaging 27°C (81°F). This summer month is also wetter, receiving 171 mm (6.7 in) of rainfall over 13 days, coupled with higher humidity levels at 93%. For more detailed information, check out Tsushima weather in August.
January and September present stark contrasts in weather conditions. In January, temperatures range from a chilly minimum of -2°C (28°F) to a comfortable maximum of 19°C (66°F), with an average of 8°C (47°F). This month experiences relatively low precipitation, with only 68 mm (2.7 in) over about 8 days, and humidity levels at 72%. Conversely, September ushers in warmer temperatures, with a minimum of 19°C (67°F) and a maximum of 29°C (85°F), averaging around 24°C (76°F). However, this increase in warmth comes with significantly higher precipitation, totaling 296 mm (11.7 in) across 14 days, and an uptick in humidity to 80%. For a closer look at what to expect during September, you can check Tsushima weather in September.
In January, temperatures range from a chilly minimum of -2°C (28°F) to a mild maximum of 19°C (66°F), with an average of 8°C (47°F). The month sees around 68 mm (2.7 in) of precipitation over approximately 8 days, accompanied by a humidity level of 72%. In contrast, October experiences significantly warmer weather, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 27°C (80°F) and an average of 20°C (69°F). The precipitation in October increases to 118 mm (4.7 in) over 9 days, and humidity is slightly higher at 77%. For more detailed insights into October weather, check out Tsushima weather in October.
In January, temperatures in Tsushima range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 19°C (66°F), with an average temperature of 8°C (47°F). The month experiences a relatively high amount of precipitation at 68 mm (2.7 in) over 8 days, contributing to a humidity level of 72%.
In contrast, November offers milder temperatures, with a minimum of 6°C (44°F) and a maximum of 22°C (72°F), resulting in a more comfortable average of 16°C (60°F). Precipitation in November is lower, at 44 mm (1.7 in), also spread over 8 days, but the humidity remains slightly higher at 75%. For more details on this month’s weather, you can visit Tsushima weather in November.
In December, the weather is slightly milder than in January, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (69°F), compared to January's range of -2°C (28°F) to 19°C (66°F). Precipitation is also comparable, with December receiving 60 mm (2.4 in) over 7 days, while January sees a bit more rain at 68 mm (2.7 in) over 8 days. Humidity levels remain fairly constant, with December at 73% and January at 72%. For more details, you can visit Tsushima weather in December.
In January, Tsushima experiences a distinct shift in weather compared to the milder months that precede it. While the maximum temperatures may reach a pleasant 19°C (66°F), the chill in the air is palpable with average temperatures hovering around 8°C (47°F) and occasional dips to a low of -2°C (28°F). This month brings substantial moisture, with about 68 mm of precipitation spread over 8 days, making it one of the wetter times of the year. The humidity level holds steady at 72%, enhancing the crispness in the air. Transitioning from the more temperate conditions of late autumn, January's weather serves as a brisk reminder of winter's embrace. For a deeper understanding of the seasonal variations, explore more at Tsushima Climate.