Last updated: August 21, 2025
December in Yamagata, Japan offers a captivating winter experience, characterized by a broad temperature range from a maximum of 16°C (62°F) to a minimum of -10°C (13°F), with an average hovering around 1°C (34°F). The month sees significant precipitation, with 146 mm (5.7 in) falling over approximately 23 days, creating a blanket of winter wonder that may challenge outdoor activities but enhances the charm of the season. With humidity levels at a brisk 80%, visitors can expect a true taste of Japan's cold weather, making it a perfect time to enjoy cozy indoor settings and seasonal festivities.
Nestled in Japan's northern region, Yamagata experiences a notable dip in temperatures as December sets in, with minimums dropping to -10°C (13°F). The month stands out with an average temperature hovering around 1°C (34°F), paving the way for the coldest days of winter. As the landscape transforms under the weight of this chill, daytime highs reach a pleasant 16°C (62°F), providing a stark contrast and a brief respite from the frigid nights. This transition into winter heralds a cycle of lowering temperatures from the milder autumn months of November, where averages were around 7°C (45°F). The trend highlights a significant shift, showcasing Yamagata's crisp December climate, where visitors can embrace the serene beauty of a winter wonderland.
In December, Yamagata, Japan experiences a significant uptick in precipitation, with an average of 146 mm (5.7 in), making it one of the wetter months of the year. This increase is complemented by a higher frequency of rainy days, tallying up to 23 in total. The persistent wet weather serves as a precursor to the harsh winter months ahead, setting the stage for a snow-covered landscape. Interestingly, December's precipitation surpasses the amounts recorded in both November and other preceding months, reflecting a transition from autumn's milder conditions to the more formidable winter climate. This pattern not only highlights the seasonal shifts in Yamagata's weather but also emphasizes the region's characteristic December chill, where moisture merges with dropping temperatures to create a uniquely atmospheric experience.
In December, Yamagata, Japan experiences a humidity level of 80%, which reflects a notable trend in the region's climate as the year draws to a close. The humidity is fairly consistent during the winter months, resting at similar levels to those recorded in January (80%) and November (79%). This stability contrasts with the summer peaks of 92% in both July and August, illustrating the city's shift from a humid summer to a more temperate winter. Overall, the gradual decline from earlier months, culminating in December's 80%, signifies a cooling shift that accompanies the changing seasons, making it a characteristic feature of Yamagata's weather patterns.
In December, Yamagata experiences a moderate UV Index of 3, indicating that while sun exposure is manageable, precautions are still advisable. This marks a decrease from the intense summer months, where UV levels peaked at 11 in July and August, categorizing them as extreme, with a burn time of just 10 minutes. As the year winds down, the burn time increases again to 30 minutes, similar to earlier months like January and November. Overall, this trend reflects a seasonal shift towards milder UV levels, making December a relatively safe time for outdoor activities. For more insights on UV levels in Yamagata throughout the year, visit Yamagata UV Index.
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In Yamagata, Japan, December greets residents with 189 hours of sunshine, marking a gentle transition as winter approaches. As the year progresses, sunlight gradually increases from a modest 159 hours in January to a peak of 295 hours in May, showcasing a vibrant spring awakening. Following this climax, sunshine hours begin a slow decline, yet the glimmers of light in December serve as a refreshing reminder of brighter days ahead. With the sun peeking through the clouds, this month highlights the region's annual ebb and flow of light, where brief moments of warmth contrast sharply against the cold backdrop of winter, making December feel both cozy and hopeful.
In December, Yamagata, Japan experiences a 22% chance of sunny weather, marking a notable dip as the colder months settle in. This figure falls below the more promising sunshine probabilities seen in November, which boast a 36% chance. The trend throughout the year reveals that the transition into winter typically brings a decrease in sunny days, with January and December recording the least likelihood for sunshine—both under 25%. As the year winds down, those seeking a bright winter day in Yamagata might need to prepare for overcast skies, further underscoring the region’s chilly and often grey December atmosphere.
As the year draws to a close in Yamagata, Japan, December ushers in the shortest days, with daylight lasting approximately 9 hours. This trend reflects a gradual decline in daylight duration that starts in the summer, peaking at 14 hours in June, and slowly tapering off through the fall months. As the vibrant greens of summer give way to autumn hues, daylight diminishes steadily from 14 hours in July to just 10 hours in November. The return to 9 hours in December marks a poignant reminder of the cyclical nature of the seasons, as Yamagata prepares to embrace the winter months when long nights prevail and the beautiful landscapes transform under a blanket of snow.
As December settles in Yamagata, Japan, the average wind speed picks up to 2.7 m/s (6 mph), reflecting a subtle uptick compared to the calmer months of summer where winds were at their lowest in July and June. This shift signals a transition into winter, as temperatures drop and the landscape prepares for snow. While January and February follow with slight variations in wind speed, December stands out with a refreshing breeze that invigorates the crisp air, embodying the region’s chilly charm. The trend this month hints at a blend of serenity and briskness, creating an inviting atmosphere perfect for enjoying outdoor winter activities amidst the beautiful backdrop of Yamagata's snow-capped scenery.
Weather in Yamagata varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yamagata, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present a stark contrast in temperature dynamics despite similar humidity levels. In December, temperatures typically range from a minimum of -10°C (13°F) to a maximum of 16°C (62°F), averaging around 1°C (34°F). The month experiences significant precipitation, totaling 146 mm (5.7 in) over 23 days. Conversely, January brings even colder conditions, with temperatures dipping lower; the minimum reaches -16°C (4°F) and the maximum is 8°C (46°F), averaging -2°C (29°F). While January has slightly less precipitation at 125 mm (4.9 in) over 21 days, the cold makes the month feel significantly chillier. For more detailed information, you can explore Yamagata weather in January.
December and February present distinct winter weather profiles. December typically experiences milder averages with temperatures ranging from a minimum of -10°C (13°F) to a maximum of 16°C (62°F) and an average of 1°C (34°F). The month sees considerable precipitation at 146 mm (5.7 in) over 23 days, coupled with a humidity level of 80%. In contrast, February is generally colder, with temperatures dipping to a minimum of -14°C (7°F) and peaking at 11°C (52°F), resulting in an average of -1°C (31°F). Precipitation is somewhat reduced in February, totaling 116 mm (4.5 in) over 20 days, along with a slightly lower humidity of 79%. For a more detailed look at February weather in Yamagata, check out Yamagata weather in February.
In December, temperatures in Yamagata fluctuate between a minimum of -10°C (13°F) and a maximum of 16°C (62°F), with an average temperature around 1°C (34°F). The month experiences significant precipitation, amounting to 146 mm (5.7 in) over 23 days, accompanied by high humidity levels of 80%. In contrast, March sees a slightly milder climate with temperatures ranging from -13°C (9°F) to a maximum of 19°C (66°F) and an average of 4°C (39°F). Precipitation also decreases to 119 mm (4.7 in) over 18 days, along with a slight drop in humidity to 77%. For more detailed insights, visit Yamagata weather in March.
December and April showcase contrasting weather patterns. In December, temperatures range from a chilly minimum of -10°C (13°F) to a maximum of 16°C (62°F), with an average of around 1°C (34°F). The month is characterized by significant precipitation, averaging 146 mm (5.7 in) over 23 days, coupled with high humidity at 80%. In contrast, April brings milder temperatures, with a minimum of -5°C (24°F), an average of 8°C (47°F), and a maximum rising to 25°C (77°F). Although April experiences slightly less precipitation at 116 mm (4.6 in) over 13 days, it has lower humidity at 75%. For more detailed information, you can check out Yamagata weather in April.
December and May present contrasting weather patterns. In December, temperatures can drop as low as -10°C (13°F) with an average of 1°C (34°F), while the maximum temperature reaches 16°C (62°F). The month experiences significant precipitation, totaling 146 mm (5.7 in) over 23 days, and maintains a humidity level of 80%. In contrast, May brings milder weather, with minimum temperatures around 2°C (36°F) and averages climbing to 15°C (59°F), peaking at 31°C (88°F). Additionally, May experiences less precipitation, at 93 mm (3.7 in) over just 13 days, yet maintains the same level of humidity. For more detailed insights, check Yamagata weather in May.
December and June present distinctly different weather patterns. In December, temperatures can dip as low as -10°C (13°F) and rarely exceed 16°C (62°F), with an average around 1°C (34°F). This month also witnesses significant precipitation, totaling 146 mm (5.7 in) spread over 23 days, and an overall humidity level of 80%. In contrast, June brings milder temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (90°F), with an average of 19°C (66°F). Precipitation drops to 98 mm (3.8 in) across 13 days, while humidity slightly increases to 87%. For a detailed look at June weather patterns, visit Yamagata weather in June.
In December, the weather is starkly colder, with temperatures ranging from a minimum of -10°C (13°F) to a maximum of 16°C (62°F) and an average of just 1°C (34°F). The month experiences significant precipitation, totaling 146 mm (5.7 in) over 23 days, accompanied by a humidity level of 80%. In contrast, July is much warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F) and an average of 23°C (73°F). Although July sees a higher total precipitation of 239 mm (9.4 in) over 18 days, the humidity rises to 92%, creating a distinctly different atmosphere. For more insights into July weather specifics, you can refer to Yamagata weather in July.
December and August present strikingly different weather patterns. In December, temperatures can drop as low as -10°C (13°F), with an average of 1°C (34°F) and a maximum reaching 16°C (62°F). This month sees considerable precipitation, totaling 146 mm (5.7 in) over 23 days, accompanied by a humidity level of 80%. In contrast, August boasts much warmer weather with temperatures ranging from a minimum of 12°C (53°F) to an average of 24°C (75°F), peaking at a hot 36°C (97°F). Although it experiences slightly more precipitation at 194 mm (7.6 in) over 18 days, the humidity rises to 92%, creating a muggy atmosphere. For more information on August weather in Yamagata, check out Yamagata weather in August.
In December, the weather is significantly colder than in September, with temperatures ranging from a minimum of -10°C (13°F) to a maximum of 16°C (62°F), resulting in an average temperature of just 1°C (34°F). The month also experiences more precipitation, with 146 mm (5.7 in) over 23 days, along with a humidity level of 80%. In contrast, September boasts much milder conditions, featuring a minimum temperature of 7°C (44°F) and an average high of 33°C (91°F), leading to an average of 19°C (67°F). With 110 mm (4.3 in) of rain across 14 days and a higher humidity of 86%, September offers a much warmer and wetter experience overall. For more insights into September weather, you can visit Yamagata weather in September.
When comparing the weather in December and October, notable differences are evident. December experiences much colder temperatures, with a minimum of -10°C (13°F) and an average of around 1°C (34°F), significantly contrasting with October's milder conditions, where temperatures range from a minimum of 2°C (36°F) to a maximum of 27°C (81°F). Precipitation levels are similar, with December receiving 146 mm (5.7 in) over 23 days and October slightly higher at 151 mm (5.9 in) over only 13 days. Additionally, while humidity in both months is comparable at around 80% in December and 82% in October, the overall feel of the weather shifts dramatically, with December embodying the chill of winter compared to October's autumnal warmth. For a detailed look at October weather, check out Yamagata weather in October.
When comparing the weather in December to November, we see notable differences in temperature and precipitation. December experiences colder temperatures, with a minimum of -10°C (13°F), an average of 1°C (34°F), and a maximum of 16°C (62°F). In contrast, November boasts milder conditions, featuring a minimum of -6°C (22°F), an average of 7°C (45°F), and a maximum of 21°C (70°F). Additionally, December is significantly wetter, with 146 mm (5.7 in) of precipitation over 23 days, compared to November's 80 mm (3.1 in) over 14 days. The humidity levels remain relatively similar, at 80% in December and 79% in November, leading to a notably more damp and chilly atmosphere in the final month of the year. For more detailed information, you can check Yamagata weather in November.
As December arrives in Yamagata, the weather shifts dramatically, ushering in the chill of winter with temperatures that average around freezing. Unlike the milder months preceding it, December experiences a significant drop, with frigid nights plunging to -10°C (13°F) and occasional daytime highs peaking at a cool 16°C (62°F). The month also sees an increase in precipitation, with around 146 mm (5.7 in) falling over 23 days, creating a damp and humid atmosphere at about 80% humidity. This sets the stage for snow, marking a departure from the comparatively drier autumn months and inviting residents and visitors to embrace the beauty of winter in Yamagata. For a deeper look into the month's climate nuances, check out Yamagata Climate.