Last updated: August 21, 2025
In Mashiko, Japan, December ushers in a crisp atmosphere characterized by a maximum temperature of 19°C (67°F) and an average of 6°C (43°F), while minimum lows can dip to -3°C (27°F). The month experiences 48 mm (1.9 in) of precipitation spread across 6 days, contributing to the region's lush winter landscapes. With a humidity level hovering around 86%, December in Mashiko is both refreshing and invigorating, making it a unique time to explore the area's famed pottery and serene scenery.
In Mashiko, Japan, December ushers in a noticeable chill as temperatures begin to dip, marking a transition into winter. The month typically sees a minimum temperature of around -3°C (27°F), while the average hovers at a brisk 6°C (43°F). On milder days, the mercury can reach a maximum of 19°C (67°F), providing brief respites from the cold. Compared to the preceding months, December's temperatures start reflecting a more pronounced winter vibe, with a gradual drop from November's relatively mild averages. As the year comes to a close, Mashiko's climate offers a refreshing contrast, blending the crispness of winter with the cozy warmth of hot drinks and traditional celebrations.
In December, Mashiko experiences a noticeable drop in precipitation, receiving only 48 mm (1.9 in) over 6 days, marking a decline from the wetter months preceding it. This trend of reducing rainfall is indicative of the transition into winter, following the peak precipitation levels observed in the summer and early autumn. With October still holding the heaviest rainfall at 210 mm (8.3 in), December's milder conditions signal a shift towards drier weather as the year comes to a close. The reduction in both the total amount and the number of rainy days reflects a common seasonal pattern, providing a brief respite after the abundant rains of previous months.
In December, Mashiko, Japan experiences an average humidity of 86%, reflecting a slight increase from the previous month. This time of year marks a transition to cooler, more stable conditions as humidity levels remain relatively high, similar to what is seen in late spring and fall. Throughout the year, humidity typically peaks during the summer months of July and August at 92%, while winter months generally showcase more moderate levels. Despite being among the drier months, December retains a palpable moisture in the air, creating a serene winter atmosphere that enhances the charm of this quaint town.
In Mashiko, Japan, the UV Index experiences a clear shift throughout the year, revealing notable trends in sun exposure. As the year closes out in December, the UV Index registers at 3, categorizing exposure as moderate, and allowing for a burn time of up to 30 minutes. This decrease follows the high points of mid-year, where values peaked at 11 in July, indicating extreme exposure risk. By contrast, the late autumn and early winter months offer a respite from the intense rays, showcasing a gradual decline from the very high levels seen in spring and summer. To stay informed on UV conditions, visit Mashiko UV Index.
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In Mashiko, Japan, December ushers in a comforting 228 hours of sunshine, marking a transition from the colder months while maintaining a steady glow reminiscent of autumn. Following a slight dip in November, the sunshine hours in December mirror the trend seen throughout the year, where the sun shines brightest in the late spring and early summer. This gradual ebb and flow of daylight showcases Mashiko's unique climate, where winter months still offer a generous amount of sunlight, making December a delightful time to explore the charming town and its renowned pottery. As the year closes, the blend of seasonal chill and warm sunshine creates a captivating atmosphere that invites both residents and visitors to bask in the serene ambiance of Mashiko.
As December approaches in Mashiko, Japan, the likelihood of sunny weather shows a promising trend with a 66% chance of sunlight. This marks a notable increase from the preceding months, particularly November, which has a healthy 63% chance, but still lags behind December's potential for brightness. Throughout the year, the sunniest months are characterized by a gradual shift towards more light in late winter and early spring, peaking in February at an impressive 71%. Thus, December stands as a significant transition month, offering optimism for those seeking sun-drenched days as the year draws to a close.
As the year unfolds in Mashiko, Japan, daylight hours exhibit a distinct rhythm, reflecting the changing seasons. Starting from December, the daylight dips to a modest 9 hours, signaling the onset of winter's embrace. This pattern continues into January, where daylight remains steady but sparse. As the days lengthen into February with 10 hours of sunlight, a gradual increase is observed, culminating in the lush brightness of May and June, where daylight peaks at an impressive 14 hours. The summer months bask in this extended light, only to see a gentle decline as August transitions into September. By November, daylight retreats to 10 hours, mirroring its December counterpart, as the cycle prepares to loop back to winter. This captivating ebb and flow of daylight not only shapes the landscape but also influences the rhythm of life in this charming Japanese town.
In Mashiko, Japan, December brings a refreshing breeze with an average wind speed of 2.1 m/s (5 mph), reminiscent of the preceding months. As the year winds down, it mirrors the late autumn months, where November saw a slight dip to 1.8 m/s (4 mph), hinting at a transition toward winter. Interestingly, the wind speeds during this time remain relatively stable compared to the variability experienced earlier in the year, starting from a brisk 2.6 m/s (6 mph) in February before settling into a gentler rhythm throughout the warmer summer months. The slight uptick in December, along with the consistent average, suggests a welcome, mildly brisk air that complements the serene beauty of Japan's winter landscape, inviting locals and visitors alike to enjoy the serene charm of the season.
Weather in Mashiko varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mashiko, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather patterns. December experiences milder temperatures, with a minimum of -3°C (27°F) and an average of 6°C (43°F), while January sees a steeper drop with lows reaching -12°C (10°F) and an average of 4°C (39°F). Precipitation is slightly higher in December at 48 mm (1.9 in) over 6 days, compared to January’s 35 mm (1.4 in) over 5 days. Humidity also remains high in both months, with December at 86% and January slightly higher at 88%. For a detailed look at January weather specifics, you can visit Mashiko weather in January.
In December, temperatures typically range from a chilly -3°C (27°F) at night to a mild average of 6°C (43°F) during the day, peaking at 19°C (67°F). The month sees about 48 mm (1.9 in) of precipitation over approximately six days, with humidity remaining high at 86%. In contrast, February experiences slightly colder nights with a minimum of -5°C (23°F) and a similar average of 5°C (41°F), but can reach a maximum of 21°C (70°F). Precipitation decreases to 38 mm (1.5 in) across the same number of days, while humidity remains consistent at 86%. For a more detailed look at February weather, check out Mashiko weather in February.
December and March present contrasting weather patterns, reflecting the transition from winter to spring. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 19°C (67°F), with an average of 6°C (43°F). This month also experiences higher humidity at 86% and moderate precipitation of 48 mm (1.9 in) over 6 days. In comparison, March temperatures slightly dip with a minimum of -4°C (24°F) but rise to a maximum of 24°C (76°F), averaging 9°C (49°F). Precipitation in March is significantly higher at 125 mm (4.9 in), occurring over 11 days, yet humidity is lower at 81%. Overall, while December is characterized by colder conditions and less precipitation, March brings milder temperatures and increased rainfall, marking a shift towards a more dynamic spring climate. For more details, check out Mashiko weather in March.
Compared to December, April experiences milder temperatures, with average daily highs of 13°C (56°F) rising significantly from December's average of 6°C (43°F). The minimum temperatures in April, while slightly higher at -1°C (31°F), are still relatively cool. However, April sees increased precipitation, with 115 mm (4.5 in) over 11 days, surpassing December’s 48 mm (1.9 in) over just 6 days. Humidity levels are lower in April at 78%, compared to December's higher 86%, contributing to a generally more comfortable feel. For more specific insights on Mashiko's climate, you can check out Mashiko weather in April.
When comparing the weather in December and May, the differences are striking. December sees cooler temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 19°C (67°F), with an average of 6°C (43°F) and high humidity at 86%. The month experiences around 48 mm (1.9 in) of precipitation over about 6 days. In stark contrast, May offers much warmer temperatures, with a range from a minimum of 5°C (41°F) to a scorching maximum of 34°C (93°F), averaging 19°C (66°F). The precipitation increases to 124 mm (4.9 in) over 12 days, but the humidity remains relatively lower at 81%. For more detailed insights into the weather during this vibrant spring month, check out Mashiko weather in May.
In December, the weather features cooler temperatures, with minimums dropping to -3°C (27°F) and averaging around 6°C (43°F), while max temperatures reach a milder 19°C (67°F). This month typically receives about 48 mm (1.9 in) of precipitation over six days, accompanied by high humidity at 86%. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 12°C (53°F) to an average of 22°C (71°F), and highs peaking at 33°C (92°F). Rainfall increases significantly in June, totaling 132 mm (5.2 in) across 15 days, and maintaining a similarly high humidity level of 88%. For more details, you can check Mashiko weather in June.
December and July present stark contrasts in weather, with December characterized by cooler temperatures and higher humidity levels. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 19°C (67°F), while July boasts a much warmer spectrum, with lows of 18°C (64°F) and highs reaching 37°C (98°F). Precipitation also varies significantly; December experiences less rain at 48 mm (1.9 in) over six days, compared to July's substantial 219 mm (8.6 in) across twenty days. The humidity is notably high in both months, with July slightly edging out at 92% compared to December's 86%. For more details on July weather, visit Mashiko weather in July.
December and August present strikingly different weather patterns. In December, temperatures can drop to a chilly minimum of -3°C (27°F) with an average of 6°C (43°F) peaking at 19°C (67°F). This month also experiences higher humidity at 86%, although it sees only about 48 mm (1.9 in) of precipitation over just 6 days. In contrast, August boasts a much warmer climate with temperatures ranging from a minimum of 15°C (60°F) to an average of 27°C (81°F) and a maximum soaring to 36°C (98°F). It is also considerably wetter, with 136 mm (5.4 in) of rain falling over 16 days, and humidity rises to 92%. For more details on the weather specific to August, you can visit Mashiko weather in August.
When comparing the weather in December and September, the differences are striking. December is characterized by cooler temperatures, with a minimum of -3°C (27°F) and an average of 6°C (43°F), while September offers a much warmer climate with a minimum of 11°C (53°F) and an average of 23°C (73°F). Additionally, December sees significantly less precipitation, totaling 48 mm (1.9 in) over just 6 days, compared to September's 153 mm (6.0 in) spread over 17 days. Humidity levels are relatively high in both months, with December at 86% and September slightly higher at 89%. For more about September's weather, visit Mashiko weather in September.
When comparing December and October weather, notable differences emerge in both temperature and precipitation levels. In December, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable maximum of 19°C (67°F), with an average temperature of 6°C (43°F). In contrast, October enjoys much milder conditions, with a minimum of 4°C (40°F) and a maximum reaching 32°C (89°F), averaging 17°C (64°F). Additionally, October is significantly wetter, receiving 210 mm (8.3 in) of precipitation over 13 days, while December has only 48 mm (1.9 in) over 6 days. Both months feature high humidity levels, with December at 86% and October at 87%. For a detailed look at October's weather, you can visit Mashiko weather in October.
In December, the weather becomes a bit cooler compared to November, with average temperatures dropping from 12°C (53°F) in November to 6°C (43°F) in December. November experiences slightly higher maximum temperatures, reaching up to 23°C (74°F), while December's maximum is 19°C (67°F). Both months see similar levels of precipitation, with December receiving 48 mm (1.9 in) and November a bit more at 56 mm (2.2 in), although both have precipitation recorded on 6 days. Humidity levels are also comparable, hovering around 86% for December and 85% for November. For a more detailed look at November weather, check out Mashiko weather in November.
As December settles in Mashiko, the weather transforms into a distinct contrast from the milder months that precede it. Temperatures dip, often resulting in chilly days where the average feels notably cooler, yet sporadic mild maxima provide brief respite. The month is characterized by increased humidity and several precipitation days, signaling the onset of winter. This combination of cooler air and higher moisture levels creates a unique ambiance, inviting visitors to experience the quiet beauty of the season. To understand more about the seasonal shifts in Mashiko's temperatures and weather patterns, visit Mashiko Climate.