December Weather in Rausu, Japan

Last updated: August 21, 2025

December in Rausu, Japan, presents a distinctly cold climate characterized by a maximum temperature of 12°C (54°F) and an average of -1°C (30°F). The chill deepens with nighttime lows reaching a brisk -8°C (18°F). This month witnesses frequent precipitation, totaling 91 mm (3.6 in) over 19 days, contributing to a humidity level of 74%. As the landscape transforms under wintry conditions, visitors can expect a picturesque environment perfect for exploring Rausu's stunning natural beauty.

December Temperature in Rausu

In Rausu, Japan, December marks the transition into winter, with temperatures taking a notable dip compared to the preceding months. The month begins with a minimum temperature around -8°C (18°F) and averages at a chilly -1°C (30°F), setting the stage for frost-laden landscapes. The maximum temperature hovers at a modest 12°C (54°F), which, while still relatively mild, signals the area's shift towards harsher winter conditions. Compared to November's more moderate readings, December's temperatures reflect the deepening chill that envelopes Rausu, highlighting the stark contrast of seasonal changes in this picturesque region. As snow begins to blanket the terrain, December becomes a month of frosty beauty, inviting both introspection and adventure.

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

The chart illustrates December temperature patterns in Rausu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rausu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec232129364551596361544330
Data source: Temperature data for Rausu 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 Rausu

In December, Rausu, Japan, experiences a notable shift in its precipitation patterns, with 91 mm (3.6 in) of rain falling over 19 days. This month's rainfall is substantial, reflecting a marked increase compared to February's 54 mm and a slight decrease from November's 113 mm. Interestingly, the frequency of rainy days peaks in November, yet December maintains a high count, showcasing a persistent wetness as winter sets in. This trend highlights the transition into colder months, characterized by consistent rainfall that contributes to the region's lush landscapes, while also hinting at the challenges that come with such climate variability. The gradual accumulation of precipitation throughout the fall culminates in December, setting the stage for the winter months ahead.

December Precipitation Trends in Rausu

The chart displays monthly precipitation patterns in Rausu, 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 Rausu, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5954816790897410910218211391
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rausu

In Rausu, Japan, December experiences a notable decrease in humidity, dipping to 74%, marking a shift from the peak levels seen in the summer months. This decline follows a trend where humidity steadily rises from January's 78%, soaring to a high of 97% in August. As autumn progresses, humidity gradually lessens, suggesting a comforting transition as the region prepares for winter. December's lower humidity, compared to the previous months, provides a refreshing contrast to the preceding dampness, making it a unique month where the crispness of winter begins to assert itself, yet still carries remnants of the humid conditions of summer and fall.

December Average Humidity in Rausu

This chart illustrates the average monthly humidity levels in Rausu, 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 Rausu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%77%80%86%92%94%96%97%89%80%76%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rausu

As the winter chill settles in December, Rausu experiences a low UV Index of 2. This slight decrease in UV radiation compared to the higher readings of summer months makes outdoor activities safer, with a burn time of 45 minutes—permitting you to enjoy the picturesque landscapes without the immediate worry of sunburn. Observing the transition from the very high levels in mid-summer, where the UV Index peaked at 10 in July, to the milder readings of late autumn and winter indicates a significant seasonal pattern. The month of December serves as a gentle reminder that while sun protection is still essential, the intensity of UV exposure is considerably reduced. For more detailed insights into the UV Index throughout the year, visit Rausu UV Index.

Maximum UV Index Levels in Rausu for December

The chart shows the monthly maximum UV Index (UVI) for Rausu 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 Rausu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357891097532
Data source: Rausu 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 Rausu

As December settles in Rausu, Japan, the town enjoys a gentle embrace of sunlight, boasting 196 hours of sunshine throughout the month. This marks a slight uptick from November’s 192 hours, signaling the onset of winter yet still allowing for moments bathed in light. The trend of increasing daylight is a welcome relief after the shorter days of autumn, and though December offers significantly less sun than the summer peak in July with its impressive 316 hours, it paves the way for a gradual return to longer days in the coming months. As the townsfolk relish the crisp air and sparkling landscapes, the December sunshine serves as a reminder of nature's rhythms, promising brighter days ahead.

Monthly Sunshine Duration in Rausu: December Highlighted

The December sunshine duration represents the total number of hours Rausu 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h204h247h284h290h298h316h266h264h231h192h196h
Data source: Rausu December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rausu During December

In Rausu, Japan, the likelihood of encountering sunny weather in December stands at 43%, marking it as the month with one of the highest chances of sunshine throughout the year. This trend reflects a gradual increase in sunny days as autumn transitions into winter, with November at 42%, just barely eclipsed by December. In contrast, the chances diminish significantly in the following months, particularly dropping to 20% in May. Overall, December presents a promising opportunity for those seeking clearer skies, showcasing a notable upward trend in sunny weather compared to the earlier months in the year.

Percentage of Sunny Days in December in Rausu

The chart illustrates the percentage of sunny days in Rausu 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 Rausu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%36%35%37%20%41%27%29%39%34%42%43%
Data source: Rausu December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rausu in December

As the year draws to a close, December in Rausu, Japan, brings shorter days, with daylight lasting only 8 hours. This marks a significant decrease from the longer days of previous months, where June and July enjoyed 15 hours of sunlight, providing a stark contrast to the 9 hours seen in November. The gradual shift from the brightness of spring and summer towards the darker days of winter is evident, as daylight dwindles from 14 hours in May to the season's minimum in December. This pattern showcases the cyclical nature of daylight throughout the year, highlighting the unique rhythm of Rausu's seasons.

Average Daylight Hours in Rausu for December

The chart illustrates the variation in daylight duration in Rausu throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 17m10h 27m11h 55m13h 26m14h 44m15h 24m15h 4m13h 56m12h 28m10h 58m9h 38m8h 56m
Data source: Rausu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rausu

As December arrives in Rausu, Japan, the winds pick up noticeably, with an average speed of 5.7 m/s (13 mph), marking a slight increase from November's 5.3 m/s (12 mph). This uptick in wind speed is part of a broader trend observed throughout the colder months, where the winds tend to strengthen as the year winds down. Following a steady decline during the warmer summer months, which saw the lowest wind speeds in June and July at around 3.3 m/s (7 mph), the transition into autumn heralds a gradual resurgence. The cold months, particularly December, bring a refreshing crispness to the air, inviting both locals and visitors to embrace the revitalizing energy of Rausu's winter winds.

Average December Wind Speed in Rausu

The chart displays monthly wind speed patterns in Rausu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.44.34.74.94.33.33.73.94.24.35.35.7 m/s
Data source: Rausu December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rausu Compares to Other Months

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

In December, temperatures range from a chilly -8°C (18°F) to a milder 12°C (54°F), with an average temperature of -1°C (30°F). The month experiences significant rainfall, totaling 91 mm (3.6 in) over 19 days, while the humidity hovers around 74%. In contrast, January sees even colder conditions, with minimum temperatures dropping to -12°C (11°F) and a maximum of only 5°C (42°F), resulting in an average temperature of -5°C (24°F). Precipitation in January is lower at 59 mm (2.3 in) over 14 days, but the humidity increases slightly to 78%. For more details, you can check Rausu weather in January.

December and February both showcase winter's chill, but they differ notably in temperature and precipitation patterns. In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 12°C (54°F), with an average of -1°C (30°F). The month experiences significantly more precipitation, totaling 91 mm (3.6 in) over 19 days, coupled with a moderate humidity level of 74%. In contrast, February is colder, featuring a minimum temperature of -17°C (1°F) and a maximum of only 6°C (42°F), with an average temperature of -6°C (21°F). Precipitation decreases to 54 mm (2.1 in) across 10 days, and humidity slightly rises to 77%. This notable shift highlights February's harsher winter conditions. For more detailed information, you can check out Rausu weather in February.

In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 12°C (54°F), with an average temperature of -1°C (30°F). The month experiences a significant amount of precipitation, totaling 91 mm (3.6 in) over 19 days, while humidity levels sit at 74%. In contrast, March demonstrates slightly colder conditions, with temperatures dipping lower at a minimum of -13°C (8°F) and an average of -2°C (29°F), although the maximum temperature remains similar at 11°C (53°F). Precipitation in March is slightly less at 81 mm (3.2 in) but occurs over fewer days, totaling only 10. The humidity increases slightly to 80%, contributing to a crisp atmosphere. For a more detailed look at March weather in Rausu, you can visit Rausu weather in March.

December and April present contrasting weather conditions. In December, temperatures typically range from a frigid minimum of -8°C (18°F) to a maximum of 12°C (54°F), with an average around -1°C (30°F). The month sees significant precipitation, totaling 91 mm (3.6 in) over 19 days, and humidity levels reach 74%. In contrast, April offers a slight reprieve with temperatures fluctuating from a minimum of -7°C (20°F) to a maximum of 14°C (58°F), averaging at 2°C (36°F). Precipitation decreases to 67 mm (2.7 in) across 11 days, while humidity rises to 86%. For more details on April weather specifics, check out Rausu weather in April.

December and May present contrasting weather patterns. December experiences colder temperatures, with minimums plunging to -8°C (18°F) and an average of -1°C (30°F), while May sees a significant rise, starting at a minimum of 1°C (34°F) and averaging 7°C (45°F). Additionally, May can reach a maximum of 25°C (77°F), offering warmer conditions ideal for outdoor activities. In terms of precipitation, December records slightly more rain, accumulating 91 mm (3.6 in) over 19 days, compared to May's 90 mm (3.5 in) over only 12 days. Interestingly, humidity is also higher in May at 91%, while December sits at 74%. For a closer look at the climate in May, check out Rausu weather in May.

In December, the weather is considerably chillier, with temperatures ranging from a low of -8°C (18°F) to a maximum of 12°C (54°F) and an average temperature of -1°C (30°F). The month sees around 91 mm (3.6 in) of precipitation over 19 days, coupled with a humidity level of 74%. In contrast, June offers a much milder climate, with temperatures starting at a minimum of 3°C (39°F) and peaking at 22°C (71°F), resulting in a pleasant average of 10°C (51°F). Precipitation is slightly lower at 89 mm (3.5 in) but occurs over just 10 days, with humidity rising to 94%. For more details on June weather, check out Rausu weather in June.

December and July present stark contrasts in weather. In December, temperatures can drop to a minimum of -8°C (18°F) with an average of -1°C (30°F) and a maximum of 12°C (54°F), making it one of the coldest months of the year. The month sees significant precipitation, accumulating to 91 mm (3.6 in) over 19 days, paired with a humidity level of 74%. In contrast, July offers a much milder climate, with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 27°C (80°F) and an average of 15°C (59°F). Precipitation is less frequent, totaling 74 mm (2.9 in) over just 8 days, but the humidity remains high at 96%. For more details on July weather, you can check Rausu weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a chilly -8°C (18°F) at night to a mild 12°C (54°F) during the day, with an average of -1°C (30°F). The month sees considerable precipitation of 91 mm (3.6 in) over 19 days, coupled with a humidity level of 74%, creating a wintry atmosphere. In contrast, August brings much warmer temperatures, with lows of 12°C (54°F) and highs peaking at 26°C (79°F), leading to a comfortable average of 17°C (63°F). August also experiences higher precipitation at 109 mm (4.3 in), but over fewer days (12 days), resulting in a sweltering humidity of 97%. For more details on August weather in this region, you can check Rausu weather in August.

December and September present contrasting weather patterns. In December, temperatures drop significantly, with averages around -1°C (30°F) and a maximum reaching 12°C (54°F), while humidity levels are moderate at 74%. The month experiences more frequent precipitation, with 19 days reporting a total of 91 mm (3.6 in). In sharp contrast, September showcases milder temperatures, ranging from a low of 9°C (48°F) to a comfortable high of 26°C (80°F), with an average of 16°C (62°F). Although September has slightly higher precipitation at 102 mm (4.0 in), it only occurs over 11 days. The humidity also peaks at 89%, adding to the warmer feel of the month. For more details on the weather during this time, you can check Rausu weather in September.

In December, temperatures take a noticeable dip, with a minimum of -8°C (18°F) and an average of -1°C (30°F), compared to a milder October where the temperatures range from a minimum of 4°C (39°F) to an average of 12°C (54°F). Precipitation levels are lower in December, measuring 91 mm (3.6 in) over 19 days, in contrast to October's higher total of 182 mm (7.2 in) across 16 days. Additionally, December experiences slightly lower humidity at 74%, while October's humidity reaches 80%. For a detailed comparison of October conditions, you can view more at Rausu weather in October.

December weather exhibits a notable chill compared to November, featuring a minimum temperature of -8°C (18°F) and an average of -1°C (30°F). In contrast, November sees milder conditions, with temperatures dipping to a minimum of -4°C (25°F) and an average of 6°C (43°F). Precipitation also varies, with December receiving 91 mm (3.6 in) over 19 days, while November experiences a slightly wetter month, totaling 113 mm (4.4 in) across 20 days. The humidity remains relatively consistent, at 74% in December compared to 76% in November. For a detailed look at November’s weather, you can visit Rausu weather in November.

Compare Rausu's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Rausu

As December settles over Rausu, the weather undergoes a notable shift, characterized by a marked drop in temperature and increased humidity. While the maximum daytime temperatures offer a mild respite, the nights can plunge into frigid lows, making this month feel particularly wintry compared to autumn or summer. The consistent precipitation, with rain or snow gracing nearly two-thirds of the month, adds to the crisp, cold atmosphere that envelops the town. December's 74% humidity creates a unique chill, setting the stage for a picturesque winter landscape. For those curious about the overall climate trends in Rausu, explore more in detail at Rausu Climate.