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December Weather in Imaichi, Japan

Last updated: August 23, 2025

In December, the average temperature in Imaichi, Japan is a cool 3°C (38°F). Visitors can expect temperatures to range from a frigid -6°C (22°F) to a pleasant 17°C (63°F). With an average precipitation amount of 67 mm (2.6 in) spread over 11 days, it's wise to be prepared for occasional rain. Additionally, you'll notice a high average humidity of 86%, making it a rather damp month overall.

December Temperature in Imaichi

In December in Imaichi, the average temperature is 3°C (38°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -6°C (22°F). It's advisable to pack layers for your trip to ensure comfort in varying temperatures.

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

The chart illustrates December temperature patterns in Imaichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Imaichi, December typically has an average temperature of 3°C (38°F), with highs reaching up to 17°C (63°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec333442506066737668584837
Data source: Temperature data for Imaichi 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 Imaichi

In Imaichi in December, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

December Precipitation Trends in Imaichi

The chart displays monthly precipitation patterns in Imaichi, 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 Imaichi, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec52511541541972473753112692927067
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Imaichi

In Imaichi in December humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.

December Average Humidity in Imaichi

This chart illustrates the average monthly humidity levels in Imaichi, 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 Imaichi is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Imaichi

In Imaichi 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 Imaichi, you can check the information here.

Maximum UV Index Levels in Imaichi for December

The chart shows the monthly maximum UV Index (UVI) for Imaichi 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 Imaichi typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891011111110753
Data source: Imaichi 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 Imaichi Compares to Other Months

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

This table compares monthly weather conditions in Imaichi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)52 mm (2.0 inches)88%moderate
February Weather1°C (35°F)51 mm (2.0 inches)86%high
March Weather6°C (42°F)154 mm (6.1 inches)81%very high
April Weather10°C (50°F)154 mm (6.1 inches)78%very high
May Weather16°C (60°F)197 mm (7.7 inches)81%very high
June Weather19°C (66°F)247 mm (9.7 inches)88%extreme
July Weather23°C (73°F)374 mm (14.7 inches)92%extreme
August Weather24°C (76°F)311 mm (12.2 inches)92%extreme
September Weather20°C (68°F)269 mm (10.6 inches)89%very high
October Weather14°C (58°F)292 mm (11.5 inches)87%high
November Weather9°C (48°F)70 mm (2.7 inches)85%moderate
December Weather3°C (38°F)67 mm (2.6 inches)86%moderate

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