nomadseason

December Weather in Motoyama, Japan

Last updated: August 23, 2025

In December, the average temperature in Motoyama, Japan hovers around 6°C (43°F), with fluctuations between a chilly -2°C (28°F) and a pleasant 20°C (69°F). Expect about 80 mm (3.2 in) of precipitation spread over 8 days, contributing to an average humidity of 77%. Prepare for a mix of weather as you explore this vibrant locale!

December Temperature in Motoyama

In December in Motoyama, the average temperature is 6°C (43°F). Maximum temperatures can reach 20°C (69°F), while the minimum can drop as low as -2°C (28°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates December temperature patterns in Motoyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Motoyama, December typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (69°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec394148566470777973635243
Data source: Temperature data for Motoyama 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 Motoyama

In Motoyama in December, the total precipitation amount is 80 mm (3.2 in), occurring over a span of 8 days.

December Precipitation Trends in Motoyama

The chart displays monthly precipitation patterns in Motoyama, 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 Motoyama, December typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec66981621792062875472973493357880
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Motoyama

In Motoyama in December humidity is 77%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly and stay active while exploring the area.

December Average Humidity in Motoyama

This chart illustrates the average monthly humidity levels in Motoyama, 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 Motoyama is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Motoyama

In Motoyama in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Motoyama for better planning.

Maximum UV Index Levels in Motoyama for December

The chart shows the monthly maximum UV Index (UVI) for Motoyama 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 Motoyama typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121210764
Data source: Motoyama 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 Motoyama Compares to Other Months

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

This table compares monthly weather conditions in Motoyama, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)66 mm (2.6 inches)74%moderate
February Weather5°C (41°F)98 mm (3.9 inches)70%high
March Weather9°C (49°F)162 mm (6.4 inches)70%very high
April Weather13°C (56°F)179 mm (7.0 inches)76%extreme
May Weather18°C (64°F)206 mm (8.1 inches)82%extreme
June Weather21°C (70°F)287 mm (11.3 inches)86%extreme
July Weather25°C (77°F)547 mm (21.5 inches)91%extreme
August Weather26°C (80°F)297 mm (11.7 inches)88%extreme
September Weather23°C (73°F)349 mm (13.8 inches)85%very high
October Weather17°C (64°F)335 mm (13.2 inches)82%high
November Weather11°C (52°F)78 mm (3.1 inches)79%high
December Weather6°C (43°F)80 mm (3.2 inches)77%moderate

Compare Motoyama's Climate with Cities Worldwide