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December Weather in Akashi, Japan

Last updated: August 23, 2025

In December, the average temperature in Akashi, Japan hovers around 9°C (49°F), with a minimum dipping to 1°C (34°F) and peaking at 20°C (67°F). Expect 55 mm (2.2 in) of precipitation over approximately 6 days, and a high level of average humidity at 82%. Plan accordingly for a cozy yet rainy experience!

December Temperature in Akashi

In December in Akashi, the average temperature is 9°C (49°F). The maximum can reach 20°C (67°F), while the minimum can drop to as low as 1°C (34°F). This mild climate makes Akashi an ideal destination for travelers looking to experience both comfortable weather and the beauty of the season.

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

The chart illustrates December temperature patterns in Akashi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Akashi, December typically has an average temperature of 9°C (49°F), with highs reaching up to 20°C (67°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec444450586873818477685848
Data source: Temperature data for Akashi 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 Akashi

In Akashi in December, the total precipitation amount is 55 mm (2.2 in) spread over 6 days.

December Precipitation Trends in Akashi

The chart displays monthly precipitation patterns in Akashi, 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 Akashi, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4151991221381413021872052254555
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Akashi

In Akashi in December, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

December Average Humidity in Akashi

This chart illustrates the average monthly humidity levels in Akashi, 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 Akashi is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Akashi

In Akashi 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 Akashi for better planning.

Maximum UV Index Levels in Akashi for December

The chart shows the monthly maximum UV Index (UVI) for Akashi 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 Akashi typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121110754
Data source: Akashi 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 Akashi Compares to Other Months

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

This table compares monthly weather conditions in Akashi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)41 mm (1.6 inches)82%moderate
February Weather7°C (44°F)51 mm (2.0 inches)79%high
March Weather10°C (51°F)99 mm (3.9 inches)73%very high
April Weather15°C (59°F)122 mm (4.8 inches)74%extreme
May Weather20°C (68°F)138 mm (5.4 inches)84%extreme
June Weather23°C (74°F)140 mm (5.5 inches)86%extreme
July Weather27°C (81°F)302 mm (11.9 inches)92%extreme
August Weather29°C (84°F)187 mm (7.3 inches)92%extreme
September Weather25°C (78°F)205 mm (8.1 inches)87%very high
October Weather20°C (68°F)225 mm (8.9 inches)85%high
November Weather14°C (58°F)45 mm (1.8 inches)84%moderate
December Weather9°C (49°F)55 mm (2.2 inches)82%moderate

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