December Weather in Chitose, Japan

Last updated: August 21, 2025

December in Chitose, Japan presents a distinct winter experience, with temperatures ranging from a maximum of 14°C (57°F) to a chilly minimum of -12°C (11°F), averaging around 0°C (32°F). This month is characterized by significant precipitation, totaling 60 mm (2.4 in) over 13 days, contributing to the region’s lush winter landscapes. Coupled with high humidity levels of 80%, December's climate can feel particularly brisk, making it essential for residents and visitors alike to bundle up and embrace the season’s beauty.

December Temperature in Chitose

In Chitose, Japan, December marks a significant transition into winter, with temperatures dipping to a minimum of -12°C (11°F). The average temperature settles around 0°C (32°F), offering a chilly yet picturesque backdrop as the year draws to a close. Daytime highs can reach up to 14°C (57°F), creating a stark contrast with the biting cold of early mornings. Following the trend from November, where temperatures hovered around freezing, December solidifies the onset of winter. Visitors can expect a winter wonderland, as the cold sets the stage for snow-covered landscapes, making it a magical time to explore the region's picturesque beauty.

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

The chart illustrates December temperature patterns in Chitose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chitose, 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).
JanFebMarAprMayJunJulAugSepOctNovDec262736435259677065554432
Data source: Temperature data for Chitose generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Chitose

In December, Chitose, Japan, experiences a notable shift as winter grips the region. With precipitation peaking at 60 mm (2.4 in), December marks a transition to the drier months that follow. Interestingly, this month's precipitation is accompanied by a rise in rainy days, totaling 13, indicating that while the rainfall is less than in the previous summer months, it tends to be more persistent. Compared to the preceding months, where precipitation reached up to 168 mm in August, December's totals present a marked decrease, showcasing the region's shift into winter. As temperatures drop, this consistent but moderate precipitation contributes to the serene, snowy landscape that characterizes Chitose during this season, inviting both locals and visitors to enjoy its wintry charm.

December Precipitation Trends in Chitose

The chart displays monthly precipitation patterns in Chitose, 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 Chitose, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3947768083106951681031248860
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chitose

In Chitose, Japan, the humidity experiences a notable fluctuation throughout the year, peaking in the summer months. Starting from a high of 84% in January, humidity levels gradually decline to 79% in November, creating a more comfortable atmosphere towards the end of the year. By December, the humidity stabilizes at around 80%, maintaining a balance between the earlier highs and the lower late autumn readings. This seasonal trend highlights the shift from the intensely humid summer months, where July and August reach a sweltering 93% and 95%, respectively, to the relatively milder conditions of winter. Overall, Chitose experiences a blend of humid summers with a gentle tapering off as the year comes to a close, making December a suitable month for those who prefer moderate moisture levels.

December Average Humidity in Chitose

This chart illustrates the average monthly humidity levels in Chitose, 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 Chitose 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 Chitose

In Chitose, Japan, the UV Index reveals seasonal trends that can significantly impact your outdoor activities. As the year progresses, the UV Index typically surges from a low 2 in January to a peak of 10 during June and August, marking the summer months as particularly intense for UV exposure. Interestingly, December sees a return to a lower UV Index of 2, encouraging a 45-minute safe exposure time, similar to January. This suggests a welcoming reprieve for those enjoying winter sports or holiday festivities outdoors. With the shift from moderate to very high categories in the warmer months, it's crucial to stay informed and protected during those sun-drenched days. For more details and tips on navigating the UV levels, visit Chitose UV Index.

Maximum UV Index Levels in Chitose for December

The chart shows the monthly maximum UV Index (UVI) for Chitose 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 Chitose typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23578109108532
Data source: Chitose 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 Chitose

In Chitose, Japan, December heralds the arrival of shorter days, yet it still offers a decent 171 hours of sunshine, making it a cozy month before the heavy snows of winter set in. As the year winds down, sunlight gradually dims from the previous months’ peaks, where July shines the brightest with 311 hours. A noticeable trend emerges as daylight hours taper off throughout the colder months; from January’s mere 146 hours, the sunshine begins to build through the late winter and spring months, reaching a peak in May with 305 hours. This fluctuation creates a seasonal rhythm, embracing both the vivid brilliance of summer and the serene tranquility of winter, inviting residents and visitors alike to savor the crisp December air under a softly glowing sun.

Monthly Sunshine Duration in Chitose: December Highlighted

The December sunshine duration represents the total number of hours Chitose 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.
JanFebMarAprMayJunJulAugSepOctNovDec146h197h251h286h305h302h311h287h266h232h182h171h
Data source: Chitose December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chitose During December

As December rolls into Chitose, Japan, the likelihood of encountering sunny weather takes a noticeable upswing, reaching 46%. This period marks a subtle shift from the preceding months, especially November, which had a respectable 45% chance of sunshine. Indeed, December often feels a bit brighter as the winter chill deepens, contrasting with lower sunshine probabilities seen in earlier months like May and August, which see only 26% and 28% respectively. Overall, December stands out as a month with a refreshing likelihood of clear skies, perfect for those looking to enjoy the serene beauty of winter in this picturesque region.

Percentage of Sunny Days in December in Chitose

The chart illustrates the percentage of sunny days in Chitose 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 Chitose experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%36%40%41%26%44%34%28%40%38%45%46%
Data source: Chitose December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chitose in December

As the year unfolds in Chitose, Japan, the daylight duration experiences a notable rhythm, starting from a modest 9 hours in January and gradually increasing to a peak of 15 hours in June. This growth continues through spring, with daylight reaching a vibrant 14 hours in May. However, as summer fades, the light begins to retreat, mirroring the gradual descent of the sun in autumn. By descending back to 10 hours in February and ultimately returning to 9 hours by December, the cycle reflects nature’s ebb and flow. This consistent pattern not only highlights the shifting seasons but also paints a beautiful portrait of Chitose’s yearly light journey, where each month brings a unique experience of daylight.

Average Daylight Hours in Chitose for December

The chart illustrates the variation in daylight duration in Chitose throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 56m13h 23m14h 38m15h 15m14h 56m13h 51m12h 27m11h 1m9h 44m9h 4m
Data source: Chitose daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Chitose

As December unfolds in Chitose, Japan, the wind continues to whisper the arrival of winter, with average wind speeds hovering around 4.2 m/s (9 mph). This slight dip from November's 4.4 m/s (10 mph) suggests a transition into the colder months. Observing the year’s cycle, we see the winds generally strengthen during the early winter months, with speeds rising from lighter breezes in late spring and summer. Notably, March through November maintains a consistent range of 4.2 to 4.4 m/s, while the summer months experience the gentlest breath of 3.1 to 3.8 m/s. As the year wraps up, December's winds signal the onset of winter's chill, creating a brisk yet invigorating atmosphere that captures the essence of the season.

Average December Wind Speed in Chitose

The chart displays monthly wind speed patterns in Chitose, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.34.44.43.83.13.23.43.93.74.44.2 m/s
Data source: Chitose December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Chitose Compares to Other Months

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

In December, temperatures in Chitose range from a chilly -12°C (11°F) to a mild 14°C (57°F), with an average of 0°C (32°F). The month experiences about 60 mm (2.4 in) of precipitation spread over 13 days, accompanied by a humidity level of 80%. In contrast, January is typically colder, with minimum temperatures dropping to -15°C (6°F) and an average temperature of -3°C (26°F). The precipitation decreases to 39 mm (1.5 in) over just 8 days, while humidity rises slightly to 84%. For more details about January weather in Chitose, visit Chitose weather in January.

In December, the weather tends to be milder with average temperatures hovering around 0°C (32°F), while February is noticeably colder, featuring an average of -3°C (27°F). December experiences a maximum temperature of 14°C (57°F), whereas February peaks at a much chillier 6°C (44°F). Precipitation in December is higher, totaling 60 mm (2.4 in) over 13 days, compared to February’s 47 mm (1.8 in) over just 8 days. Additionally, February has slightly higher humidity at 83%, compared to December's 80%. For more detailed insights, check out the Chitose weather in February.

In December, temperatures typically range from a minimum of -12°C (11°F) to a maximum of 14°C (57°F), with an average temperature around 0°C (32°F). The month experiences around 60 mm (2.4 in) of precipitation spread over 13 days, while humidity averages 80%. In contrast, March brings slightly milder temperatures, with a minimum of -11°C (13°F) and a maximum of 13°C (55°F), resulting in an average of 2°C (36°F). Precipitation increases to 76 mm (3.0 in) but occurs over fewer days, approximately 9, and humidity remains relatively high at 81%. For a more detailed look at March weather, you can visit Chitose weather in March.

December and April present distinctly different weather patterns. In December, temperatures can dip as low as -12°C (11°F), with an average temperature around 0°C (32°F) and a maximum of 14°C (57°F). The month typically sees around 60 mm (2.4 in) of precipitation across 13 days, and humidity levels hover around 80%. In contrast, April experiences milder temperatures, with a minimum of -2°C (29°F), an average of 6°C (44°F), and a maximum of 17°C (62°F). This month receives slightly more precipitation at 80 mm (3.1 in) over 11 days, with humidity levels remaining comparable at 81%. For a more detailed look at April weather, you can visit the following link: Chitose weather in April.

In December, temperatures in Chitose can drop as low as -12°C (11°F), with an average of 0°C (32°F) and a maximum of 14°C (57°F). The month typically sees around 60 mm (2.4 in) of precipitation over approximately 13 days, paired with a high humidity level of 80%. In contrast, May brings a significant warming trend, with minimum temperatures rising to 3°C (38°F) and averages reaching 11°C (52°F), peaking at 22°C (73°F). Although May experiences slightly more precipitation at 83 mm (3.3 in) over 10 days, the humidity is just a touch higher at 86%. For those interested in more details, you can find further information here: Chitose weather in May.

In December, the weather in Chitose is notably chilly, with average temperatures hovering around 0°C (32°F) and minimum temperatures plunging to -12°C (11°F). The month sees about 60 mm (2.4 in) of precipitation over approximately 13 days, complemented by high humidity levels of 80%. In stark contrast, June brings a warm embrace, with average temperatures rising to 15°C (59°F) and maximum highs reaching 24°C (75°F). Although June experiences a higher total precipitation of 106 mm (4.2 in) over just 10 days, the humidity increases slightly to 87%. For more on Chitose's June climate, you can visit Chitose weather in June.

In December, the weather is quite chilly, with temperatures ranging from a frigid minimum of -12°C (11°F) to a maximum of 14°C (57°F), resulting in an average temperature around 0°C (32°F). The month sees about 60 mm (2.4 in) of precipitation over 13 days, accompanied by a humidity level of 80%. In contrast, July offers a much warmer climate, featuring temperatures that range from a pleasant minimum of 11°C (52°F) to a scorching maximum of 30°C (86°F), with an average temperature of 19°C (67°F). While July experiences a higher total precipitation of 95 mm (3.7 in) over the same number of days, the humidity also rises to 93%. For more details about July weather, you can check Chitose weather in July.

In December, temperatures are significantly lower, ranging from a chilly -12°C (11°F) to a mild 14°C (57°F), with an average around freezing at 0°C (32°F). The month experiences about 60 mm (2.4 in) of precipitation over 13 days, coupled with a high humidity level of 80%, creating a brisk and often wintry atmosphere. In contrast, August brings much warmer conditions, with temperatures fluctuating from a minimum of 13°C (55°F) to a maximum of 29°C (84°F), averaging a pleasant 21°C (70°F). This month is wetter, boasting 168 mm (6.6 in) of rainfall over the same number of days, and it has higher humidity at 95%, leading to a muggy and lively summer vibe. For more detailed information, you can visit Chitose weather in August.

In December, the weather is significantly colder compared to September, with temperatures ranging from a brisk -12°C (11°F) to a maximum of 14°C (57°F) and an average of 0°C (32°F). Humidity levels in December are moderate at 80%, and the month experiences about 60 mm (2.4 in) of precipitation over 13 days. In contrast, September is much milder, with temperatures varying from a minimum of 8°C (47°F) to a warm maximum of 27°C (80°F), averaging 18°C (65°F). This month also sees slightly more precipitation at 103 mm (4.0 in) over the same number of rainy days, along with higher humidity levels at 88%. For a more detailed look at September weather, you can visit Chitose weather in September.

December and October showcase distinctly different weather patterns. In December, temperatures drop significantly, with a minimum of -12°C (11°F) and an average of 0°C (32°F), while October enjoys milder conditions, ranging from a minimum of 3°C (37°F) to a more pleasant average of 13°C (56°F). Precipitation is more abundant in October with 124 mm (4.9 in) across 11 days compared to December's 60 mm (2.4 in) over 13 days, although the humidity remains relatively high in both months at 80% for December and 83% for October. Overall, October presents a much warmer and wetter experience than the cold, crisp weather typical of December. For more details, check out Chitose weather in October.

In comparing the weather of December and November, December generally exhibits colder temperatures, with a minimum of -12°C (11°F) compared to November's milder -5°C (23°F). The average temperature drops significantly from 7°C (44°F) in November to 0°C (32°F) in December. While December experiences a higher maximum temperature of 14°C (57°F), it still feels chillier overall due to the lower averages. Precipitation in December is slightly less at 60 mm (2.4 in) over 13 days, compared to November's 88 mm (3.5 in) over 10 days, yet the humidity remains high in both months, at 80% in December and 79% in November. For more details, you can visit Chitose weather in November.

Compare Chitose's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Chitose

As December settles in, Chitose transforms into a winter wonderland characterized by a unique blend of frigid temperatures and crisp air. Unlike the milder months that precede it, December averages a chilly 0°C, with nights dipping as low as -12°C, showcasing the stark transition to the heart of winter. While precipitation graces the landscape on about half the month’s days, the 80% humidity adds a chill that can make it feel even colder. This wintry ambiance draws visitors eager to experience snow-laden scenery and festive cheer. For more insights on the area’s unique weather patterns, be sure to check out Chitose Climate.