December Weather in Asahikawa, Japan

Last updated: August 21, 2025

December in Asahikawa, Japan presents a cold and humid winter atmosphere, characterized by average temperatures hovering around -4°C (24°F), with maximums reaching up to 13°C (55°F). Nighttime chills can plunge to a brisk -19°C (-2°F), highlighting the stark temperature range of the season. With 109 mm (4.3 in) of precipitation over 27 days, residents and visitors can expect a notably wet month, often accompanied by snowfall. Humidity levels remain high at approximately 80%, contributing to the crisp, wintry air that envelops this charming city during the festive season.

December Temperature in Asahikawa

In Asahikawa, Japan, December ushers in the heart of winter with temperatures that reflect a dramatic shift from the previous months. The month sees minimums plummeting to -19°C (-2°F) and an average hovering around -4°C (24°F), creating a chilly backdrop perfect for winter sports enthusiasts. The temperature range spans up to a maximum of 13°C (55°F), offering brief respite from the cold. Compared to the slightly milder November temperatures, December marks a significant drop, illustrating the onset of the region's harsh winter. As residents prepare for colder days ahead, the stark contrast in temperatures serves as a reminder of Asahikawa's climate variability, setting the stage for the beautiful snowy landscapes that define the season.

December Weather in Asahikawa: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Asahikawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Asahikawa, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec182131435460696961503724
Data source: Temperature data for Asahikawa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Asahikawa

In December, Asahikawa, Japan, experiences a notable increase in precipitation, with total rainfall measuring 109 mm (4.3 in) over the course of the month. This uptick aligns with a significant rise in rainy days, as residents can expect precipitation on 27 days, making it one of the wettest months of the year. The trend of increasing rainfall peaks in both the late autumn and early winter months, following a steady build-up from the lighter showers of earlier in the year. This seasonal pattern not only contributes to Asahikawa's picturesque winter landscape but also prepares the region for the chilly embrace of January snow.

December Precipitation Trends in Asahikawa

The chart displays monthly precipitation patterns in Asahikawa, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Asahikawa, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec59798776104103131200103148138109
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Asahikawa

As December unfolds in Asahikawa, Japan, the humidity levels settle at 80%, marking a slight decline from the peak of 95% experienced during the summer months. This transition reflects a general trend of decreasing humidity as the year progresses, with significant highs in the warmer months of July and August. The late autumn months, particularly November with 79%, show precursors to winter's drier air, while December's figure echoes the stalwart humidity of early spring and the lingering moisture from late fall. Overall, December's humidity embodies a return to more moderate, yet still notable, moisture levels as the city prepares for the cold, crisp winter ahead.

December Average Humidity in Asahikawa

This chart illustrates the average monthly humidity levels in Asahikawa, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Asahikawa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Asahikawa

In Asahikawa, December brings a welcome decline in UV exposure, with the UV Index falling back to 2, indicative of a low exposure category. This is a refreshing contrast to the peak summer months when UV levels reached a very high Index of 10 in July and August, where a mere 15 minutes could precipitate sunburn. As the year closes, residents enjoy a more leisurely 45-minute burn time before any sun damage becomes a concern. This seasonal fluctuation showcases how the sun's intensity ebbs and flows across the months, aligning perfectly with the shift from winter to summer. For more insights into UV trends in Asahikawa, check out the detailed Asahikawa UV Index.

Maximum UV Index Levels in Asahikawa for December

The chart shows the monthly maximum UV Index (UVI) for Asahikawa in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Asahikawa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23679910108532
Data source: Asahikawa December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Asahikawa

December in Asahikawa, Japan, offers a modest 183 hours of sunlight, a slight increase from November's 182 hours. This subtle rise marks the transition into winter, where daylight begins to wane while the charm of the snowy landscape becomes more pronounced. As the year progresses from the sun-kissed days of July, which boasts the most sunlight at 304 hours, the trend shows a gradual decline until December. This month, however, still allows for a blend of sunshine and frosty beauty, offering an enchanting backdrop for winter activities and reflecting the juxtaposition of light and long, cozy nights in Hokkaido’s northern climate.

Monthly Sunshine Duration in Asahikawa: December Highlighted

The December sunshine duration represents the total number of hours Asahikawa experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec149h194h247h278h295h285h304h275h260h230h182h183h
Data source: Asahikawa December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Asahikawa During December

As December rolls in, Asahikawa, Japan, experiences a moderate 28% chance of sunny weather, making it one of the more favorable winter months compared to the deep cold of January and February, which see just 25% and 18% chances of sunshine, respectively. The likelihood of sun begins to rise in early spring, peaking at 42% in June, but December's statistics remain a reminder of the seasonal transition where lingering clouds often overshadow the sun. Interestingly, November, with its 32% chance, offers a slightly brighter outlook just before the full embrace of winter, suggesting that as the year ends, clear skies become a rare delight for residents and visitors alike in this beautiful snowy city.

Percentage of Sunny Days in December in Asahikawa

The chart illustrates the percentage of sunny days in Asahikawa throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Asahikawa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%18%34%36%22%42%37%32%36%30%32%28%
Data source: Asahikawa December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Asahikawa in December

Asahikawa, Japan, experiences a notable seasonal rhythm in daylight hours, with December marking the transition into winter's embrace. This month sees daylight dwindle to just 8 hours, a stark contrast to the longer days of summer, peaking at 15 hours in June and July. As autumn fades, daylight gradually recedes from 10 hours in October, continuing to shrink through November's 9 hours. This descending trend emphasizes the region's shift toward the colder months, where December's limited sunlight invites a cozy indoor atmosphere, amplifying the charm of winter festivities. The cyclical nature of daylight in Asahikawa beautifully illustrates the harmony between the changing seasons and the daily rhythm of life.

Average Daylight Hours in Asahikawa for December

The chart illustrates the variation in daylight duration in Asahikawa throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 18m10h 27m11h 56m13h 26m14h 43m15h 22m15h 3m13h 55m12h 28m10h 58m9h 39m8h 58m
Data source: Asahikawa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Asahikawa

As December settles over Asahikawa, Japan, the average wind speed aligns closely with that of November, both registering at 2.7 m/s (6 mph). This subtle consistency marks a gentle transition from the brisker winds that begin to pick up in the earlier months of the year. Notably, winter is characterized by calmer breezes, with December’s winds reflecting a gradual decline from the 3.3 m/s (7 mph) average seen in April, weaving a pattern of stillness in the air as the region embraces colder temperatures. As the year draws to a close, December's winds offer a breath of tranquility, highlighting the serene beauty of this snow-blanketed landscape.

Average December Wind Speed in Asahikawa

The chart displays monthly wind speed patterns in Asahikawa, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.03.03.32.62.11.72.02.02.42.72.7 m/s
Data source: Asahikawa December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Asahikawa Compares to Other Months

Weather in Asahikawa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Asahikawa, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January present distinct winter weather conditions. In December, temperatures range from a minimum of -19°C (-2°F) to a maximum of 13°C (55°F), with an average of -4°C (24°F). This month experiences significant precipitation of 109 mm (4.3 in) over 27 days, coupled with a humidity level of 80%. In contrast, January sees colder temperatures, with lows plunging to -23°C (-10°F) and a maximum reaching only 4°C (40°F), resulting in an average temperature of -8°C (19°F). Precipitation decreases to 59 mm (2.3 in) over 17 days, and humidity rises slightly to 84%. For a more detailed look at January's weather, check out this link: Asahikawa weather in January.

December weather exhibits milder temperatures compared to February, with averages hovering around -4°C (24°F) and maximums reaching up to 13°C (55°F). In contrast, February brings colder conditions, with average temperatures around -6°C (21°F) and maximums only reaching 6°C (43°F). December also experiences more precipitation, totaling 109 mm (4.3 in) over 27 days, while February sees less rainfall at 79 mm (3.1 in) across 19 days. Both months share high humidity levels, but February is slightly higher at 83%. For a detailed look at February conditions, check out Asahikawa weather in February.

December weather typically presents colder conditions than March, with average temperatures hovering around -4°C (24°F) compared to March's average of 0°C (32°F). While both months experience frigid minimum temperatures, December can plummet to as low as -19°C (-2°F), slightly colder than March's minimum of -17°C (1°F). Precipitation is more frequent in December, occurring over 27 days and totaling 109 mm (4.3 in), whereas March sees 15 days of precipitation with a total of 87 mm (3.4 in). Humidity levels are fairly stable between the two months, with December at 80% and March slightly higher at 81%. For more specific details about March weather, you can check Asahikawa weather in March.

In December, Asahikawa experiences much colder temperatures, with a minimum of -19°C (-2°F) and an average of -4°C (24°F), while April brings a significant warming trend, with lows of -6°C (22°F) and average temperatures rising to 6°C (43°F). The maximum temperatures in December reach 13°C (55°F), compared to a much more pleasant 22°C (72°F) in April. Precipitation is more frequent in December, occurring over 27 days with a total of 109 mm (4.3 in), whereas April sees less rain—76 mm (3.0 in) over 14 days—making it a drier month. Additionally, humidity levels remain relatively high in both months, with December at 80% and April slightly higher at 81%. For a closer look at what to expect, check out Asahikawa weather in April.

December weather is characterized by frigid temperatures, with lows plunging to -19°C (-2°F) and an average of -4°C (24°F), while the maximum temperature reaches a moderate 13°C (55°F). This month also sees significant precipitation, totaling 109 mm (4.3 in) over 27 days, accompanied by high humidity at 80%. In stark contrast, May ushers in a dramatic warming trend, with minimum temperatures around 0°C (32°F) and averages of 12°C (55°F) soaring to highs of 32°C (90°F). Although May experiences slightly less precipitation at 104 mm (4.1 in) over 14 days, humidity rises to 86%. For more detailed information, you can check Asahikawa weather in May.

In December, temperatures in Asahikawa can plummet to a chilling minimum of -19°C (-2°F), with an average of -4°C (24°F) and a maximum reaching 13°C (55°F). The month typically sees precipitation on 27 days, totaling 109 mm (4.3 in) and humidity levels hovering around 80%. In stark contrast, June enjoys a much milder climate, with minimum temperatures around 3°C (38°F) and an average of 16°C (61°F), peaking at 28°C (82°F). Although June has slightly less precipitation at 103 mm (4.1 in), it comes over 14 days, and humidity rises to 87%. For a detailed look at the weather in June, you can visit Asahikawa weather in June.

December and July present stark contrasts in weather, highlighting the extremes of seasonal climates. In December, temperatures can plummet to a minimum of -19°C (-2°F), with an average temperature around -4°C (24°F) and a maximum of 13°C (55°F). The month experiences significant precipitation, totaling 109 mm (4.3 in) over 27 days, and humidity levels average 80%. In contrast, July brings much warmer temperatures, with a minimum of 9°C (48°F), an average temperature of 21°C (69°F), and highs reaching 31°C (89°F). Precipitation slightly increases to 131 mm (5.1 in), but occurs over just 13 days, accompanied by higher humidity at 93%. For more detailed insights, check this link: Asahikawa weather in July.

December and August in Asahikawa present starkly contrasting weather conditions. In December, temperatures plunge with a minimum of -19°C (−2°F) and an average of -4°C (24°F), while the month experiences a notable 109 mm (4.3 in) of precipitation over 27 days, accompanied by a humidity level of 80%. In sharp contrast, August boasts a minimum temperature of 8°C (48°F), averaging 20°C (69°F), and reaching a maximum of 32°C (90°F). This warmer month is also wetter, with rainfall totaling 200 mm (7.9 in) across 17 days and a higher humidity of 95%. For more details, check out Asahikawa weather in August.

December and September present stark contrasts in weather conditions. In December, temperatures plunge with a minimum of -19°C (−2°F) and an average of -4°C (24°F), while September enjoys a mild climate with temperatures ranging from a minimum of 2°C (37°F) to a comfortable average of 16°C (62°F). Precipitation levels are similar, with December receiving 109 mm (4.3 in) over 27 days and September recording 103 mm (4.1 in) over just 13 days, indicating more frequent, but lighter rain in September. Additionally, humidity in September is slightly higher at 88%, compared to December’s 80%. For a more detailed look at September weather, check out Asahikawa weather in September.

When comparing the weather in December to October, a stark contrast emerges. December experiences much colder temperatures, with averages around -4°C (24°F) compared to October's milder 10°C (50°F). The minimum temperature in December can plunge to -19°C (-2°F), while October rarely dips below -3°C (26°F). Precipitation levels are notable as well, with December receiving 109 mm (4.3 in) over 27 days, compared to October's higher total of 148 mm (5.8 in) over just 16 days. Humidity remains high in both months, at 80% in December and 83% in October. For a closer look at October weather specifics, you can visit Asahikawa weather in October.

December weather is notably colder than November, with average temperatures dropping from 3°C (38°F) in November to -4°C (24°F) in December. The minimum temperature in December can plunge to a chilling -19°C (-2°F), compared to November's milder minimum of -10°C (14°F). While December experiences a slightly lower total of precipitation at 109 mm (4.3 in) over 27 days, November sees a larger amount of precipitation at 138 mm (5.4 in) across 23 days. Humidity levels remain comparable, with December at 80% and November at 79%. For a more detailed look at November's weather, you can refer to Asahikawa weather in November.

Compare Asahikawa's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Asahikawa

In December, Asahikawa transforms into a winter wonderland, with temperatures dipping significantly compared to the milder months that precede it. The crisp air, highlighted by high humidity levels, sets the stage for nearly constant snowfall, as the city experiences a notable increase in precipitation days. The charm of this month lies in its stark contrast to fall, bringing not only a drop in temperatures but also the magical atmosphere that snowflakes create in the frosty landscape. To learn more about the full spectrum of weather conditions in Asahikawa, visit Asahikawa Climate.