Last updated: August 21, 2025
January in Fukuoka, Japan offers a crisp winter experience, characterized by a maximum temperature of 17°C (63°F) and an average of 6°C (43°F), with occasional dips to a chilly -3°C (26°F). Visitors can expect 58 mm (2.3 in) of precipitation over 8 days, contributing to the city’s rich, vibrant atmosphere. Despite the dampness, humidity levels remain at a moderate 75%, creating a refreshing environment to explore Fukuoka’s cultural treasures and winter landscapes. Whether you're strolling through the historic streets or savoring the local cuisine, January's weather sets the stage for a unique Japanese winter adventure.
In Fukuoka, Japan, January marks the heart of winter, where temperatures typically range from a brisk -3°C (26°F) at night to a mild 17°C (63°F) during the day. The average temperature hovers around 6°C (43°F), offering a refreshing chill that warms up as the month progresses. As January transitions into February, we see a slight uptick in average temperatures, signaling the gradual shift towards spring, with daytime highs reaching up to 22°C (72°F). This month serves as a crucial bridge, showcasing Fukuoka's cool winter charm while hinting at the approaching warmth of spring. The stark contrast in temperatures reminds residents and visitors alike to bundle up on colder nights but enjoy the pleasantly mild afternoons.
In January, Fukuoka experiences moderate precipitation, averaging 58 mm (2.3 in) over 8 days of rain. While this amount marks the start of the rainy season, it's a brief reprieve compared to the heavier rains that follow in the spring and summer months. Specifically, February sees an increase in rainfall to 80 mm (3.1 in), setting the stage for a steady climb in precipitation as the city approaches its wettest months. Interestingly, the trend indicates a gradual build-up, with March and April bringing 121 mm (4.8 in) and 115 mm (4.5 in), respectively, foreshadowing the intense summer deluge that can exceed 367 mm (14.4 in) in July. This consistent rise in precipitation not only illustrates the seasonal shifts but also highlights the transition from Fukuoka's cooler, drier winter days to the lush, moisture-laden environment of spring and summer.
In January, Fukuoka experiences a humidity level of 75%, a figure that sets the stage for the slightly more humid months that follow. As winter gradually yields to spring, February and March maintain a consistent 71%, providing a brief respite. However, by April, humidity climbs to 78%, and the transition into summer sees a significant leap, with June and July peaking at 86% and 92% respectively. This trend showcases a clear seasonal shift, with the summer months characterized by high humidity, reaching a modest low of 84% in September before the gradual tapering back down to 81% in November and 79% in December. The humidity levels illustrate a pronounced rhythm influenced by both seasonal changes and the region's climate, offering insights into the overall atmospheric conditions residents and visitors can expect in Fukuoka.
In January, Fukuoka experiences a moderate UV Index of 4, which allows for a safer outdoor experience with a burn time of 30 minutes. As the month rolls into February, the UV Index climbs to 6, indicating high exposure risk, with recommended maximum sun exposure time reducing to 25 minutes. This gradual increase continues into the spring, with March hitting 8 (very high), and subsequent months demonstrating a striking leap into the extreme category, with April and May both registering 11 and burn times slashed to a mere 10 minutes. The summer months intensify this trend, reaching a peak 12 in July and August, showcasing the need for enhanced sun protection. As autumn approaches, the UV Index begins to taper off, with October and November returning to a high of 7 and 6 respectively, before dropping back down to a moderate 4 by December. This pattern underscores the importance of sun safety throughout the year in Fukuoka, especially during the peak summer months. For more details, visit Fukuoka UV Index.
UV Risk Categories
January in Fukuoka, Japan, marks the beginning of the year with 179 hours of sunshine, setting a gentle stage for the months ahead. As winter transitions to spring, the sun shines longer, with February witnessing a notable increase to 232 hours. This upward trend continues, culminating in the vibrant month of March at 262 hours, as the city begins to bloom with flowers and warmth. April and May further delight with 281 and 292 hours respectively, creating the perfect backdrop for outdoor activities. The sunny days peak in August with 304 hours, inviting both locals and tourists to revel in summer’s charm. As autumn approaches, sunshine gradually recedes, with September offering 256 hours and a soft decline throughout the fall months, exemplified by 236 hours in November. By December, the total settles at 216 hours, reminding us of the year’s cyclical nature and the promise of brighter days ahead.
In Fukuoka, Japan, the likelihood of sunny weather in January stands at 34%, indicative of a typically cloudy winter month. As the seasons shift into spring, the probability of sunshine begins to trend upward, peaking in October at an impressive 60%. Interestingly, February showcases a notable increase to 44%, hinting that the transition towards milder weather is on the horizon. March mirrors January's 34%, but as we advance into the blossoming months of April and May, the chances remain relatively consistent, suggesting a gradual but steady embrace of brighter days ahead. This pattern underscores a clear seasonal shift, with the sun's return becoming more pronounced as winter gives way to spring, ultimately inviting warmer, sunnier days as the year progresses.
In Fukuoka, Japan, January ushers in a daylight duration of 10 hours, a figure that remains constant through February. As spring approaches, daylight begins to extend, reaching 11 hours in March and blossoming to 13 hours in both April and May. The trend continues into early summer, with 14 hours of daylight in June and July, marking the peak of sunlight exposure. As summer fades, daylight gradually decreases, transitioning to 13 hours in August and descending to 12, 11, and 10 hours in September, October, and November, respectively. By December, daylight wanes further to 9 hours, closing out the year on a softer note. This cyclical pattern highlights the rhythmic dance of daylight across the seasons in this vibrant coastal city.
In January, Fukuoka ushers in the year with a gentle zephyr, showcasing an average wind speed of 2.7 m/s (6 mph). This wind speed remains consistent throughout the early months, only slightly rising to 3.1 m/s (7 mph) in February. As spring approaches in March, the winds soften a bit to 2.6 m/s (6 mph) before stabilizing as the seasons transition. Interestingly, from June to October, the winds mellow further, dipping to a calm 1.6 m/s (4 mph) in June, the lowest of the year, and remaining around 2.1-2.3 m/s (5 mph) during the summer months. As winter returns in December, the winds pick up again to 2.7 m/s (6 mph), creating a pleasant sense of continuity and a cycle that mirrors Fukuoka's shifting seasons. This subtle fluctuation in wind patterns adds to the city’s charm, complementing its beautiful landscapes and vibrant atmosphere.
Weather in Fukuoka varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Fukuoka, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, February weather shows a slight increase in average temperature, rising from 6°C (43°F) to 7°C (45°F), with maximum temperatures reaching as high as 22°C (72°F) compared to January's 17°C (63°F). While both months share the same minimum temperature of -3°C (26°F), February experiences more precipitation, accumulating 80 mm (3.1 in) over 10 days, compared to January's 58 mm (2.3 in) over 8 days. Additionally, February's humidity is marginally lower at 71% compared to January's 75%. For a more comprehensive look at February's weather, you can visit Fukuoka weather in February.
In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F) and an average of 6°C (43°F). The month experiences around 58 mm (2.3 inches) of precipitation over approximately 8 days, coupled with a humidity level of 75%. In contrast, March sees milder conditions, with temperatures varying from a minimum of -1°C (31°F) to a maximum of 23°C (73°F), resulting in a more enjoyable average of 11°C (52°F). However, March is wetter, accumulating about 121 mm (4.8 inches) of precipitation over 11 days, while humidity slightly decreases to 71%. For more detailed insights, you can check Fukuoka weather in March.
In comparing the weather between January and April, it's clear that April brings significantly warmer temperatures overall. While January experiences minimum temperatures as low as -3°C (26°F), April's minimum starts at a milder 2°C (37°F), with average temperatures rising from 6°C (43°F) in January to a much more pleasant 15°C (59°F) in April. Additionally, April can boast maximum temperatures soaring up to 28°C (83°F) compared to January's top of 17°C (63°F). However, April also sees increased precipitation, totaling 115 mm (4.5 in) over about 9 days, compared to January's 58 mm (2.3 in) across 8 days, and slightly higher humidity at 78%. For more detailed insights, check out Fukuoka weather in April.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F), averaging around 6°C (43°F). The month experiences about 58 mm (2.3 in) of precipitation over 8 days, accompanied by a humidity level of 75%. In contrast, May brings a significant warm-up, with temperatures varying from a minimum of 7°C (44°F) to a maximum of 31°C (88°F), averaging 20°C (68°F). However, May is also wetter, featuring 163 mm (6.4 in) of precipitation over 12 days and higher humidity at 84%. For more detailed insights, you can check out the weather specifics at Fukuoka weather in May.
January and June present vastly different weather experiences. In January, temperatures range from a chilly -3°C (26°F) at night to a mild 17°C (63°F) during the day, with an average of 6°C (43°F). The month sees about 58 mm (2.3 in) of precipitation over 8 days, coupled with a humidity level of 75%. In stark contrast, June boasts a much warmer climate, with minimum temperatures starting at 14°C (58°F) and peaking at a scorching 33°C (91°F), averaging around 23°C (74°F). This month also experiences significantly higher precipitation, totaling 199 mm (7.8 in) across approximately 14 days, and a humidity of 86%. For a detailed overview, check out Fukuoka weather in June.
When comparing the weather between January and July, there's a stark contrast in temperature and precipitation. January sees cooler temperatures, with a minimum of -3°C (26°F) and an average of 6°C (43°F), while July boasts much warmer conditions, with a minimum of 18°C (64°F) and an average high of 27°C (81°F), soaring up to a maximum of 36°C (98°F). Precipitation also differs significantly; January experiences 58 mm (2.3 in) over 8 days, whereas July has a much wetter climate, totaling 367 mm (14.4 in) across 20 days. Additionally, humidity levels are higher in July at 92%, compared to January's 75%. For more detailed information, you can check Fukuoka weather in July.
In January, the weather in Fukuoka is relatively cool with temperatures ranging from a minimum of -3°C (26°F) to an average of 6°C (43°F) and a maximum of 17°C (63°F). Precipitation is moderate, with about 58 mm (2.3 in) falling over approximately 8 days, accompanied by a humidity level of 75%. In contrast, August experiences significantly warmer weather, with temperatures hitting a minimum of 19°C (66°F), averaging 28°C (83°F), and soaring to a maximum of 37°C (100°F). Rainfall is considerably higher during this month, totaling 303 mm (11.9 in) over about 15 days, and humidity rises to 91%. For more detailed information, visit Fukuoka weather in August.
When comparing the weather in January and September, it's clear that these two months exhibit significant differences. January experiences cooler temperatures, with a minimum of -3°C (26°F) and an average of 6°C (43°F), while September boasts much warmer conditions, with a minimum of 13°C (56°F) and an average of 24°C (76°F), peaking at 35°C (96°F). Precipitation is also higher in September, totaling 206 mm (8.1 in) over 15 days compared to January's 58 mm (2.3 in) over just 8 days. Additionally, the humidity rises from 75% in January to 84% in September, contributing to the overall feeling of heat in late summer. For a detailed look at what to expect, check out Fukuoka weather in September.
In January, temperatures are much cooler, ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F), with an average of 6°C (43°F). The month tends to be relatively dry, with 58 mm (2.3 in) of precipitation over about 8 days and a humidity level of 75%. In stark contrast, October boasts milder weather with temperatures ranging from a minimum of 8°C (47°F) up to a maximum of 32°C (89°F), averaging 19°C (67°F). October is also wetter, receiving 113 mm (4.5 in) of rain over about 10 days, and it has a higher humidity level of 83%. For more detailed information, you can check Fukuoka weather in October.
In January, the weather tends to be colder, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F) and an average of 6°C (43°F). This month sees an average humidity of 75% and approximately 58 mm (2.3 in) of precipitation spread over 8 days. In contrast, November offers milder conditions, with temperatures ranging from 0°C (32°F) at night to a warmer high of 25°C (77°F) during the day, resulting in an average temperature of 13°C (56°F). The humidity rises slightly to 81%, and precipitation is slightly lower at 52 mm (2.1 in) over 7 days. For more details, you can check out Fukuoka weather in November.
In comparing the weather conditions in January and December, January generally exhibits cooler temperatures, with a minimum of -3°C (26°F) and an average of 6°C (43°F), while December sees milder conditions with a minimum of -1°C (31°F) and an average of 8°C (46°F). December also experiences higher maximum temperatures, reaching up to 23°C (73°F) compared to January's maximum of 17°C (63°F). Precipitation is quite similar in both months, with January receiving 58 mm (2.3 in) and December slightly higher at 68 mm (2.7 in), although both months typically feature rainfall on about 8 days. Additionally, humidity levels are marginally higher in December at 79%, compared to January's 75%. For more detailed insights, check out Fukuoka weather in December.
January in Fukuoka stands out from other months with its crisp temperatures and relatively high humidity levels, creating a unique winter atmosphere. While daytime highs can reach a mild 17°C, the evenings can dip to a chilling -3°C, making layering essential for comfort. Although precipitation is moderate, with about 8 days of rain, the cool weather is a refreshing contrast to the warmer months. If you’re looking to experience a different side of Fukuoka, embrace the serene charm of January. For more information on what to expect, check out Fukuoka Climate.