Last updated: August 21, 2025
In December, Kasuga, Japan experiences a diverse range of weather conditions, showcasing the beauty of the season. The maximum temperature reaches a pleasant 23°C (73°F), while the average temperature drops to a cooler 8°C (46°F) and can plummet to a minimum of -1°C (31°F) during the night. This month witnesses a moderate precipitation level of 68 mm (2.7 in) over approximately 8 days, contributing to the region's vibrant winter landscape. Additionally, with a humidity level of 79%, the air remains crisp and refreshing, perfectly setting the stage for scenic winter strolls and local festivities.
As December unfolds in Kasuga, Japan, the temperatures begin to reflect the transition towards winter. With a minimum temperature dipping to around -1°C (31°F), the chill sets in, although it remains milder than the harsh depths of January. The average temperature reaches a cozy 8°C (46°F), hinting at brisk days perfect for enjoying warm, comforting cuisine and festive activities. On sunnier days, temperatures can soar to a maximum of 23°C (73°F), offering a pleasant respite from the cold. Notably, this month marks a gradual shift from the more temperate November, creating a delightful contrast that makes December a unique time to experience the charm of Kasuga amidst its seasonal festivities.
December in Kasuga, Japan, sees a mild return to wetter weather as the year winds down, with an average precipitation of 68 mm (2.7 in) over approximately 8 rainy days. This amount marks a slight increase from November's 52 mm but pales in comparison to the summer months, where rainfall peaks dramatically. The transition from the drier months of late autumn into December illustrates a dynamic climate pattern, with precipitation rising from just 7 days of rain in November. Overall, December serves as a reminder of the approaching winter, offering a blend of crisp air and gentle showers.
In Kasuga, Japan, December marks a slight decline in humidity to 79%, providing a reprieve from the peak levels experienced during the summer months. As the year progresses, humidity creeps upwards from 75% in January, reaching a notable high of 92% in July. This summer peak is closely followed by August, where humidity remains high at 91%, before beginning a gradual decline. Fall ushers in lower levels, with November at 81%, setting the stage for the more comfortable atmosphere of December. Although 79% might still be considered humid, it reflects a trend of decreasing moisture as winter approaches, inviting a cooler and more refreshing environment that contrasts sharply with the sticky summer heat.
In December, Kasuga, Japan experiences a notable dip in UV levels, with a UV Index of 4, classified as moderate, allowing for a burn time of 30 minutes before sun exposure becomes a concern. This gradual decline in UV radiation follows a summer peak of 12 in July and August, where the danger of sunburn was at its highest, necessitating heightened caution. As winter progresses, the shift from the extreme and very high categories seen in the previous months to a more manageable level in December suggests a welcome change for outdoor enthusiasts who can enjoy the mild sun with fewer worries. For those planning outdoor activities during the winter months, you can explore more details at Kasuga UV Index.
UV Risk Categories
In Kasuga, Japan, December ushers in a notable shift as sunlight hours begin to wane, offering a more subdued glow with 216 hours of sunshine. This decline follows a peak in August when the community enjoyed a radiant 304 hours, showcasing the summer's vibrant energy. As the year progresses towards winter, the hours of daylight gradually decrease from the spring highs of March and April, which boast 262 and 281 hours respectively. Despite December’s shorter days, the crisp winter air combined with these gentle rays creates a serene atmosphere, inviting both reflection and appreciation for the beauty of the season's change in this charming locale.
In Kasuga, Japan, December brings a promising 43% chance of sunny weather, which is relatively stable when compared to the preceding months. After October's notable 60%—the highest all year—November dips slightly but maintains a decent 49% likelihood of sunshine. This pattern suggests that while winter begins to settle in, there are still plenty of opportunities for blue skies. Interestingly, the trend for December contrasts with the preceding summer months, where chances of sun were at their lowest, with July and June seeing only 19% and 22% respectively. Thus, if you're planning a visit in December, enjoy the crisp air and be prepared for a mix of sunshine and the season's characteristic chill!
As December arrives in Kasuga, Japan, the daylight hours dip to 9 hours, marking the year's shortest days. This trend reflects a steady decline in daylight from the peak of 14 hours seen in June and July. Following a spring and summer filled with abundant sunlight, the fall months gradually give way to shorter days, with November already witnessing a reduction to 10 hours. The transition from fall to winter emphasizes this seasonal rhythm, as sunlight becomes more scarce, reminding residents of the cozy, introspective season ahead.
As December unfolds in Kasuga, Japan, the average wind speed settles at a refreshing 2.7 m/s (6 mph), mirroring the brisk atmosphere of the season. Notably, this winter month ties with January and April for the highest wind speeds of the year. The trend across the months hints at a gentle ebb and flow, with summer months like June recording the calmest breezes at just 1.6 m/s (4 mph). As the year draws to a close, Kasuga's winds bring a comforting chill, inviting both residents and visitors to embrace the serene beauty of winter.
Weather in Kasuga varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kasuga, focusing on differences in temperature, rainfall, humidity, and UV levels.
December tends to be milder than January, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 23°C (73°F), compared to January's temperatures of -3°C (26°F) to 17°C (63°F). Although both months experience similar levels of precipitation across eight days, December receives slightly more rainfall at 68 mm (2.7 in), while January sees 58 mm (2.3 in). Additionally, humidity is marginally higher in December at 79% compared to 75% in January. For more detailed insights on January weather, you can visit Kasuga weather in January.
In December, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 23°C (73°F), with an average temperature of 8°C (46°F). The month sees about 68 mm (2.7 in) of precipitation spread over 8 days, accompanied by a relatively high humidity of 79%.
In contrast, February presents a slightly cooler picture with minimum temperatures dipping to -3°C (26°F) and an average of 7°C (45°F), while maximums reach up to 22°C (72°F). This month is a bit wetter, with precipitation totaling 80 mm (3.1 in) over 10 days, and humidity levels dropping to 71%. For more detailed weather information, you can check Kasuga weather in February.
In comparing the weather between December and March, we find that both months experience a minimum temperature of -1°C (31°F) and a maximum of 23°C (73°F). However, March boasts a slightly higher average temperature of 11°C (52°F) compared to December's 8°C (46°F). Precipitation also differs significantly, with March receiving 121 mm (4.8 in) over 11 days, while December has 68 mm (2.7 in) over just 8 days. Interestingly, despite the increased precipitation in March, humidity levels are slightly lower at 71% compared to December's 79%. For more details about the weather in March, you can check out Kasuga weather in March.
When comparing the weather in December and April, significant differences emerge. December typically features cooler temperatures, with a minimum of -1°C (31°F) and an average of 8°C (46°F), while April sees milder conditions, starting from a minimum of 2°C (37°F) and averaging 15°C (59°F). The maximum temperature in December can reach up to 23°C (73°F), whereas April enjoys higher peaks, with a maximum of 28°C (83°F). Additionally, precipitation is more pronounced in April, totaling 115 mm (4.5 in) over 9 days, compared to December's 68 mm (2.7 in) across 8 days. Humidity levels remain relatively similar, with December at 79% and April slightly lower at 78%. For more detailed information, you can check Kasuga weather in April.
December and May present contrasting weather characteristics. In December, temperatures range from a chilly minimum of -1°C (31°F) to a milder maximum of 23°C (73°F), with an average of 8°C (46°F). The month experiences 68 mm (2.7 in) of precipitation over 8 days, and humidity hovers around 79%. In stark contrast, May sees much warmer temperatures, with a minimum of 7°C (44°F) and a pleasant average of 20°C (68°F), peaking at a maximum of 31°C (88°F). Rainfall increases significantly to 163 mm (6.4 in) over 12 days, and humidity rises slightly to 84%. For more detailed information about May weather, you can check out Kasuga weather in May.
December and June exhibit strikingly different weather patterns. In December, temperatures range from a chilly -1°C (31°F) at night to a mild 23°C (73°F) during the day, with an average temperature of 8°C (46°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 8 days, and humidity levels sit around 79%. In contrast, June brings much warmer temperatures, starting at a minimum of 14°C (58°F) and peaking at 33°C (91°F), with an average temperature of 23°C (74°F). This month experiences significantly higher rainfall, totaling 199 mm (7.8 in) across 14 days, and humidity increases to 86%. For more details, visit Kasuga weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 8°C (46°F). The month sees moderate precipitation at 68 mm (2.7 in) over 8 days, along with a humidity level of 79%. In contrast, July is characterized by warmth and high humidity, with temperatures ranging from a minimum of 18°C (64°F) to a scorching maximum of 36°C (98°F) and an average of 27°C (81°F). July experiences significantly higher precipitation, totaling 367 mm (14.4 in) spread over 20 days, and a humidity level that climbs to 92%. For more details on July weather patterns, check out Kasuga weather in July.
In December, temperatures are much cooler, ranging from a minimum of -1°C (31°F) to an average of 8°C (46°F), with a maximum of 23°C (73°F). The month sees about 68 mm (2.7 in) of precipitation spread over 8 days, and the humidity is relatively high at 79%. In contrast, August features significantly warmer weather, with temperatures ranging from a minimum of 19°C (66°F) to an average of 28°C (83°F) and peaking at 37°C (100°F). Precipitation in August is notably higher, totaling 303 mm (11.9 in) over 15 days, and the humidity rises to 91%. For a closer look at August weather specifics, check out Kasuga weather in August.
December and September present strikingly different weather conditions. In December, temperatures range from a chilly -1°C (31°F) at night to a comfortable average of 8°C (46°F) during the day, peaking at 23°C (73°F). The month experiences moderate precipitation, totaling 68 mm (2.7 in) over about 8 days, with a humidity level of 79%. In contrast, September boasts much warmer weather, with nighttime lows of 13°C (56°F) and daytime highs averaging 24°C (76°F) and reaching up to 35°C (96°F). This month sees significantly higher rainfall, accumulating 206 mm (8.1 in) across 15 days, and maintains a slightly higher humidity of 84%. For more detailed information, you can refer to Kasuga weather in September.
December weather contrasts significantly with that of October. While October enjoys a milder climate with average temperatures around 19°C (67°F) and highs reaching up to 32°C (89°F), December sees a noticeable drop, with averages around 8°C (46°F) and maximums only hitting 23°C (73°F). Furthermore, October experiences higher precipitation levels at 113 mm (4.5 in) across 10 days, compared to December’s 68 mm (2.7 in) over 8 days. The humidity levels remain fairly high in both months, hovering around 79% in December and slightly higher at 83% in October. For more detailed information on October's weather patterns, check out Kasuga weather in October.
When comparing the weather in December to that of November, we see a notable shift in temperatures and precipitation. December experiences slightly cooler temperatures, with a minimum of -1°C (31°F) and an average of 8°C (46°F), compared to November's minimum of 0°C (32°F) and average of 13°C (56°F). Additionally, December brings about more precipitation, totaling 68 mm (2.7 in) over 8 days, while November has 52 mm (2.1 in) spread across 7 days. Humidity levels remain relatively similar, with December at 79% and November at 81%. For a detailed look at November's climate, you can visit Kasuga weather in November.
As December arrives in Kasuga, the weather undergoes a noticeable transformation, creating a unique atmosphere compared to the milder months preceding it. With temperatures dipping to a cool average of 8°C, residents and visitors can expect a briskness that marks the onset of winter. The increased humidity at 79% often lends a crisp edge to the air, while precipitation becomes more frequent, with rain gracing 8 days of the month. This shift in climate not only enhances the seasonal charm of Kasuga but also invites opportunities for cozy indoor activities and festive celebrations. To explore more about the diverse weather patterns throughout the year, visit Kasuga Climate.