Last updated: August 21, 2025
In December, Ashikaga, Japan experiences a transition into the winter season, with maximum temperatures reaching up to 19°C (66°F) and an average of 6°C (43°F). The nights can be quite chilly, dropping to a minimum of -3°C (27°F), necessitating warm clothing for outdoor activities. This month sees an average precipitation of 45 mm (1.8 in), spread across six rainy days, contributing to the region's high humidity level of 86%. Overall, December in Ashikaga is characterized by cool temperatures and intermittent rain, creating a crisp and refreshing winter atmosphere.
In December, Ashikaga, Japan, begins to feel the chill of winter more prominently, with temperatures dipping to a minimum of -3°C (27°F) and averaging around 6°C (43°F). Despite the colder air, the maximum temperature can reach a comfortable 19°C (66°F), allowing for some variability throughout the month. This trend marks a noticeable drop from the milder November, where the average was 12°C (53°F). As the month progresses, the crisp winter air sets in, hinting at the colder days of January ahead. The transition to December brings a beautiful contrast of chilly mornings and relatively mild afternoons, making it a unique time to experience the changing seasons in Ashikaga.
December in Ashikaga, Japan, marks a subtle shift as the year draws to a close, with precipitation totaling 45 mm (1.8 in) over six days. This is a slight increase from November's 57 mm spread over seven days, showcasing a trend of relatively light rainfall as winter approaches. As the year transitions from the vibrant, moisture-rich months of late spring and summer, December's precipitation stands in stark contrast to the heavy downpours experienced in July and October, which often exceed 270 mm. Interestingly, while precipitation tapers off compared to the earlier months, the consistent rhythm of rainfall serves to nourish the region's landscape, preparing it for the colder months ahead.
December in Ashikaga, Japan, sees humidity levels stabilizing at 86%, a slight dip from the preceding months. This month marks a transition as the humidity begins to shift from the higher summer averages; July and August peak at 92%, creating a humid backdrop through the hot weather. As autumn settles in, the humidity gradually decreases, reflecting the arrival of cooler temperatures. However, December's figures remain relatively high, consistent with the city's overall trend of elevated humidity throughout the year. This persistent moisture contributes to Ashikaga's verdant landscapes, making it a unique blend of beauty and atmospheric richness even as winter approaches.
As December rolls into Ashikaga, the UV Index dips to a moderate 3, reminiscent of the earlier months of the year. This fluctuation showcases a clear pattern where the UV exposure peaks during the summer months, reaching an extreme 11 in both June and July, before gradually declining towards the cooler winter. Visitors can enjoy up to 30 minutes of sun exposure without worry, as the burn time remains reasonable, slightly echoing the consistent 30 minutes of January and February. The contrast between the high UV levels in spring and summer, with burn times as short as 10 minutes, and the gentler December sun offers a reminder to adapt sun protection habits accordingly. For a detailed view of UV trends throughout the year, check out Ashikaga UV Index.
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In the charming city of Ashikaga, Japan, December experiences a delightful 231 hours of sunshine, marking a graceful transition from the vibrant light of autumn to the softer hues of winter. As the year draws to a close, December's sunshine is slightly less than November's 232 hours, yet still maintains a warm glow compared to the chill of January, which sees just 190 hours. This month’s sunshine reflects a broader seasonal trend where longer days are celebrated in the spring and early summer, peaking in May with 278 hours. Despite the drop in sunlight as winter approaches, the December sun continues to play a vital role in the local atmosphere, providing a fitting backdrop for festive activities amidst the quiet beauty of the Japanese landscape.
In Ashikaga, Japan, December brings a noticeable shift towards sunnier days, with a 70% chance of sun that stands out against the backdrop of the year. This month marks a significant improvement compared to earlier autumn months, where sunshine probabilities hovered between 25% and 63%. Interestingly, December's likelihood of sunny weather is the second highest for the year, trailing only February's remarkable 73%. As winter approaches, the sun seems to reclaim its presence, providing a comforting respite from the often overcast months preceding it. This trend highlights December as a delightful time to enjoy the refreshing winter sun in Ashikaga.
As the year draws to a close in December, Ashikaga experiences a return to shorter days, with only 9 hours of daylight. This marks a continuation of a gradual decline that began in autumn, following a peak in May and June when the city enjoyed a generous 14 hours of bright sunshine. The transition from the vibrant spring and summer months, where daylight extends to nearly half the day, to the winter's darker days can be quite striking. By October and November, daylight diminishes to 11 and 10 hours respectively, setting the stage for December's brief daylight hours. This cyclical pattern highlights the seasonal ebb and flow of light, reflecting nature's rhythm and inviting residents to embrace the cozy charm of winter evenings.
As December arrives in Ashikaga, Japan, the average wind speed picks up slightly to 2.3 m/s (5 mph), marking a subtle transition from the gentler breezes of the summer months. Following a pattern of gradually decreasing winds throughout the warmer seasons—from a mild 2.1 m/s in May to a calm 1.5 m/s in July—the year wraps up with a notable increase. Notably, winds remain softer in the middle of the year, including the year's calmest period in July and August, before the autumn months usher in a hint of briskness. This refreshing December airflow hints at the approach of winter, showcasing a natural rhythm as the year draws to a close.
Weather in Ashikaga varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ashikaga, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 19°C (66°F), with an average of 6°C (43°F) and a total precipitation of 45 mm (1.8 in) over six days, while the humidity hovers around 86%. In contrast, January experiences colder conditions, with lows dropping to -9°C (16°F) and an average high of 17°C (63°F), resulting in an average temperature of 4°C (39°F). Precipitation decreases slightly to 40 mm (1.6 in) over five days, accompanied by a marginally higher humidity level of 88%. To learn more about the specifics of January weather, you can refer to Ashikaga weather in January.
In December, temperatures typically range from a minimum of -3°C (27°F) to a maximum of 19°C (66°F), with an average temperature of 6°C (43°F). The month experiences about 45 mm (1.8 in) of precipitation over 6 days, and humidity remains high at 86%.
In contrast, February sees slightly colder temperatures, with minimums dipping to -5°C (23°F) and maximums reaching 21°C (70°F). The average temperature is a tad lower at 5°C (41°F), while precipitation is similar, totaling 42 mm (1.7 in) across 6 days. Humidity remains constant at 86%.
For more detailed information on the weather patterns in February, you can check Ashikaga weather in February.
In December, the weather tends to be colder with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 19°C (66°F), averaging around 6°C (43°F). It typically experiences about 45 mm (1.8 in) of precipitation over six days, accompanied by a high humidity level of 86%. In contrast, March offers slightly warmer conditions, with temperatures ranging from -4°C (26°F) to a maximum of 24°C (75°F) and an average of 9°C (49°F). However, it sees more precipitation, totaling 129 mm (5.1 in) over ten days, while humidity decreases slightly to 81%. For more detailed insights on the conditions in March, you can check Ashikaga weather in March.
When comparing the weather in December and April, distinct differences emerge. December typically experiences colder temperatures, with a minimum of -3°C (27°F) and a maximum of 19°C (66°F), alongside higher humidity levels at 86%. In contrast, April boasts milder conditions, featuring a minimum of -1°C (31°F) and a much warmer average of 14°C (57°F), peaking at 29°C (84°F). Additionally, April receives significantly more rainfall, with 127 mm (5.0 in) over 12 days, while December sees only 45 mm (1.8 in) spread over 6 days. For a closer look at what to expect, check out this link: Ashikaga weather in April.
In December, temperatures in Ashikaga tend to be quite cool, with a minimum of -3°C (27°F) and an average of 6°C (43°F), while experiencing a maximum of 19°C (66°F). The month sees around 45 mm (1.8 in) of precipitation over about 6 days, accompanied by high humidity at 86%. In contrast, May brings much warmer weather, with minimum temperatures starting at 5°C (41°F) and soaring to an average of 19°C (66°F) and a maximum of 33°C (92°F). Precipitation also increases significantly in May to 137 mm (5.4 in) over 13 days, although humidity is slightly lower at 81%. For more detailed information, you can visit Ashikaga weather in May.
December and June present a stark contrast in weather patterns. In December, temperatures range from a chilly minimum of -3°C (27°F) to a mild maximum of 19°C (66°F), with average conditions hovering around 6°C (43°F). The month sees about 45 mm (1.8 in) of precipitation over approximately 6 days, combined with a high humidity level of 86%. In contrast, June offers significantly warmer temperatures, with minimums starting at 12°C (54°F) and maximums reaching up to 33°C (92°F), resulting in an average temperature of 22°C (72°F). Precipitation spikes to 175 mm (6.9 in) spread over 17 days, along with humidity slightly higher at 88%. For more details on June weather, visit Ashikaga weather in June.
December and July showcase stark contrasts in weather. In December, temperatures range from a chilly -3°C (27°F) to a mild 19°C (66°F), with an average of 6°C (43°F). The month experiences limited precipitation, totaling 45 mm (1.8 in) over six days, accompanied by high humidity at 86%. In contrast, July brings significantly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 37°C (98°F), averaging 25°C (78°F). Precipitation is much more frequent in July, accumulating to 274 mm (10.8 in) over 21 days, and the humidity remains elevated at 92%. For more details on how the weather unfolds during this month, visit Ashikaga weather in July.
When comparing the weather in December and August, the contrasts are striking. December features cooler temperatures, with a minimum of -3°C (27°F) and an average of 6°C (43°F), making it a chilly month. In contrast, August boasts much warmer conditions, with minimum temperatures starting at 16°C (61°F) and reaching a hot average of 27°C (82°F) on the way to maximums of 37°C (98°F). Precipitation is more prevalent in August, with 163 mm (6.4 in) spread over 17 days, compared to December's relatively light rainfall of 45 mm (1.8 in) over just 6 days. Additionally, humidity is slightly higher in August at 92%, compared to December's 86%. For more specifics on August weather, check out Ashikaga weather in August.
In comparing the weather between December and September, we see a stark contrast in temperatures and precipitation levels. December experiences much cooler temperatures, with a minimum of -3°C (27°F) and an average high of only 19°C (66°F), while September boasts warmer conditions, ranging from a minimum of 13°C (55°F) to a maximum of 35°C (95°F). Additionally, December has far less precipitation, with only 45 mm (1.8 in) over 6 days, compared to September's increased rainfall of 213 mm (8.4 in) over 21 days. Humidity levels are relatively similar, with December at 86% and September slightly higher at 89%. For a more detailed look at September weather, you can visit Ashikaga weather in September.
In comparing the weather of December and October, it’s evident that December is much cooler, with average temperatures ranging from -3°C (27°F) to 19°C (66°F), while October boasts a milder range of 5°C (41°F) to 31°C (88°F). Additionally, October experiences significantly more rainfall, with 267 mm (10.5 in) over 16 days compared to December's 45 mm (1.8 in) across just 6 days. Both months have high humidity levels, but October is slightly drier at 87% compared to December's 86%. For a more detailed look at the October weather in Ashikaga, you can visit Ashikaga weather in October.
In comparing the weather of December to November, December exhibits a slight drop in average temperatures, with a minimum of -3°C (27°F) and a maximum of 19°C (66°F), compared to November's range of -2°C (29°F) to 24°C (75°F). While December sees an average humidity of 86% and somewhat less precipitation at 45 mm (1.8 in) over 6 days, November experiences slightly higher precipitation at 57 mm (2.3 in) over 7 days and a marginally lower humidity at 85%. This transition from November's milder conditions to December's chill marks a notable shift as winter approaches. For more detailed information, you can visit Ashikaga weather in November.
As December arrives in Ashikaga, the weather transitions into a chillier phase compared to the preceding months. While the temperatures remain relatively mild during the day, dipping to frosty lows at night, the overall character of the month shifts dramatically, showcasing the onset of winter. With a significant amount of precipitation and high humidity levels, December often brings the first hints of winter's embrace, contrasted against the lingering warmth of autumn. This month sets the stage for the cold season ahead, making it a unique time to experience Ashikaga's charm. For a deeper dive into the local weather patterns throughout the year, visit Ashikaga Climate.