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December Weather in Sekimachi, Japan

Last updated: August 23, 2025

In December, the average temperature in Sekimachi, Japan sits at a cool 7°C (45°F). You can expect temperatures to dip as low as -5°C (24°F) and rise to a pleasant 19°C (67°F). With 68 mm (2.7 in) of precipitation spread over 8 days, it's wise to pack an umbrella. Humidity levels hover around 83%, adding to the crispness of the air.

December Temperature in Sekimachi

In December in Sekimachi, the average temperature is 7°C (45°F). Maximums can reach 19°C (67°F), while minimums can drop as low as -5°C (24°F). It's advisable to pack layers to accommodate the varying temperatures while exploring this destination.

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

The chart illustrates December temperature patterns in Sekimachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sekimachi, December typically has an average temperature of 7°C (45°F), with highs reaching up to 19°C (67°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec404250576672798275655445
Data source: Temperature data for Sekimachi 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 Sekimachi

In Sekimachi in December, the precipitation amount is 68 mm (2.7 in) spread over 8 days.

December Precipitation Trends in Sekimachi

The chart displays monthly precipitation patterns in Sekimachi, 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 Sekimachi, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec57681511922001934132402252026368
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sekimachi

In Sekimachi in December, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.

December Average Humidity in Sekimachi

This chart illustrates the average monthly humidity levels in Sekimachi, 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 Sekimachi is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sekimachi

In Sekimachi in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Sekimachi, you can check the information here.

Maximum UV Index Levels in Sekimachi for December

The chart shows the monthly maximum UV Index (UVI) for Sekimachi 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 Sekimachi typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Sekimachi 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.

How December Weather in Sekimachi Compares to Other Months

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

This table compares monthly weather conditions in Sekimachi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)57 mm (2.2 inches)82%moderate
February Weather5°C (42°F)68 mm (2.7 inches)79%high
March Weather10°C (50°F)151 mm (5.9 inches)74%very high
April Weather14°C (57°F)192 mm (7.5 inches)76%very high
May Weather19°C (66°F)200 mm (7.9 inches)83%extreme
June Weather22°C (72°F)193 mm (7.6 inches)87%extreme
July Weather26°C (79°F)413 mm (16.2 inches)93%extreme
August Weather28°C (83°F)240 mm (9.4 inches)91%extreme
September Weather24°C (75°F)225 mm (8.9 inches)87%very high
October Weather18°C (65°F)201 mm (7.9 inches)85%high
November Weather12°C (54°F)63 mm (2.5 inches)83%moderate
December Weather7°C (45°F)68 mm (2.7 inches)83%moderate

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