December Weather in Toon, Japan

Last updated: August 23, 2025

In December, the average temperature in Toon, Japan is a crisp 6°C (42°F). With temperatures that can dip as low as -3°C (27°F) and peak at a pleasant 21°C (69°F), this month offers a wide range of weather experiences. Expect 77 mm (3.0 in) of precipitation spread over 9 days, contributing to an average humidity level of 77%. Embrace the diverse climate conditions in this captivating locale!

December Temperature in Toon

In December in Toon, the average temperature is 6°C (42°F). Maximums can reach 21°C (69°F) and minimums can drop as low as -3°C (27°F). This fluctuating climate makes it essential for travelers to pack layers to stay comfortable in both warmer and cooler temperatures.

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

The chart illustrates December temperature patterns in Toon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Toon, December typically has an average temperature of 6°C (42°F), with highs reaching up to 21°C (69°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Toon generated using information from the Copernicus Climate Change Service.

December Precipitation in Toon

In Toon in December, the precipitation amount is 77 mm (3.0 in) over the course of 9 days.

December Precipitation Trends in Toon

The chart displays monthly precipitation patterns in Toon, 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 Toon, December typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Toon

In Toon in December, humidity is 77%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities less enjoyable and causing you to seek shelter more often.

December Average Humidity in Toon

This chart illustrates the average monthly humidity levels in Toon, 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 Toon is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Toon

In Toon 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 Toon for better planning.

Maximum UV Index Levels in Toon for December

The chart shows the monthly maximum UV Index (UVI) for Toon 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 Toon typically reaches 4, which falls under the moderate exposure category.

Data source: Toon 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 Toon Compares to Other Months

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

This table compares monthly weather conditions in Toon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	62 mm (2.4 inches)	74%	moderate
February Weather	4°C (40°F)	96 mm (3.8 inches)	70%	high
March Weather	9°C (48°F)	141 mm (5.5 inches)	70%	very high
April Weather	13°C (56°F)	147 mm (5.8 inches)	76%	very high
May Weather	18°C (65°F)	171 mm (6.7 inches)	82%	extreme
June Weather	21°C (71°F)	235 mm (9.3 inches)	86%	extreme
July Weather	25°C (78°F)	420 mm (16.6 inches)	91%	extreme
August Weather	27°C (80°F)	224 mm (8.8 inches)	88%	extreme
September Weather	23°C (73°F)	258 mm (10.1 inches)	85%	extreme
October Weather	17°C (63°F)	251 mm (9.9 inches)	82%	very high
November Weather	11°C (52°F)	69 mm (2.7 inches)	79%	high
December Weather	6°C (42°F)	77 mm (3.0 inches)	77%	moderate