December Weather in Shinmachi, Japan

Last updated: August 23, 2025

In December, the average temperature in Shinmachi, Japan hovers around 10°C (51°F). Temperatures can swing from a chilly 1°C (33°F) at their lowest to a pleasant 22°C (71°F) at their peak. During this period, expect about 87 mm (3.4 in) of precipitation over 9 days, while humidity levels average around 72%.

December Temperature in Shinmachi

In December in Shinmachi, the average temperature is 10°C (51°F). Maximums can reach 22°C (71°F), and minimums can be as low as 1°C (33°F). This weather makes it a great time for travelers to enjoy outdoor activities while packing layers for fluctuating temperatures.

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

The chart illustrates December temperature patterns in Shinmachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shinmachi, December typically has an average temperature of 10°C (51°F), with highs reaching up to 22°C (71°F) and lows dropping to around 1°C (33°F).

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

December Precipitation in Shinmachi

In Shinmachi in December, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.

December Precipitation Trends in Shinmachi

The chart displays monthly precipitation patterns in Shinmachi, 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 Shinmachi, December typically receives around 87 mm (3.4 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 Shinmachi

In Shinmachi in December, humidity is 72%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less comfortable and requiring extra layers to stay warm while exploring.

December Average Humidity in Shinmachi

This chart illustrates the average monthly humidity levels in Shinmachi, 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 Shinmachi is approximately 72%, 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 Shinmachi

In Shinmachi 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 Shinmachi for better planning.

Maximum UV Index Levels in Shinmachi for December

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

Data source: Shinmachi 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 Shinmachi Compares to Other Months

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

This table compares monthly weather conditions in Shinmachi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (46°F)	65 mm (2.6 inches)	70%	moderate
February Weather	8°C (47°F)	57 mm (2.3 inches)	69%	moderate
March Weather	11°C (53°F)	163 mm (6.4 inches)	68%	very high
April Weather	15°C (59°F)	112 mm (4.4 inches)	73%	very high
May Weather	19°C (67°F)	135 mm (5.3 inches)	81%	extreme
June Weather	22°C (72°F)	185 mm (7.3 inches)	88%	extreme
July Weather	26°C (78°F)	207 mm (8.2 inches)	94%	extreme
August Weather	28°C (82°F)	121 mm (4.7 inches)	87%	extreme
September Weather	24°C (76°F)	196 mm (7.7 inches)	83%	very high
October Weather	20°C (68°F)	274 mm (10.8 inches)	78%	high
November Weather	15°C (60°F)	122 mm (4.8 inches)	74%	moderate
December Weather	10°C (51°F)	87 mm (3.4 inches)	72%	moderate