December Weather in Honmachi, Japan

Last updated: August 23, 2025

In Honmachi, Japan, the average temperature in December hovers around 9°C (48°F). This period experiences a minimum of 0°C (33°F) and can reach a maximum of 23°C (74°F). With an average humidity of 79%, prepare for some damp days, as precipitation totals around 86 mm (3.4 in) over the course of 7 days.

December Temperature in Honmachi

In December in Honmachi, the average temperature is 9°C (48°F). Maximums can reach 23°C (74°F) and minimums can be as low as 0°C (33°F). This makes Honmachi an ideal destination for travelers seeking mild weather with a mix of warm days and cooler nights.

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

The chart illustrates December temperature patterns in Honmachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honmachi, December typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (74°F) and lows dropping to around 0°C (33°F).

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

December Precipitation in Honmachi

In Honmachi in December, the total precipitation amount is 86 mm (3.4 in) over a span of 7 days.

December Precipitation Trends in Honmachi

The chart displays monthly precipitation patterns in Honmachi, 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 Honmachi, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 7 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 Honmachi

In Honmachi in December humidity is 79%. With an average temperature of 9°C (48°F), this humidity feels like a chilly mist wrapping around you, making outdoor activities brisk yet invigorating, but it can also leave you feeling damp and slightly chilled if you're not dressed appropriately for the conditions.

December Average Humidity in Honmachi

This chart illustrates the average monthly humidity levels in Honmachi, 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 Honmachi is approximately 79%, 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 Honmachi

In Honmachi 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 Honmachi for better planning.

Maximum UV Index Levels in Honmachi for December

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

Data source: Honmachi 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 Honmachi Compares to Other Months

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

This table compares monthly weather conditions in Honmachi, 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)	60 mm (2.4 inches)	75%	moderate
February Weather	8°C (47°F)	98 mm (3.9 inches)	71%	high
March Weather	13°C (55°F)	140 mm (5.5 inches)	71%	very high
April Weather	17°C (62°F)	135 mm (5.3 inches)	78%	extreme
May Weather	21°C (70°F)	213 mm (8.4 inches)	84%	extreme
June Weather	24°C (75°F)	307 mm (12.1 inches)	86%	extreme
July Weather	27°C (81°F)	427 mm (16.8 inches)	92%	extreme
August Weather	29°C (84°F)	246 mm (9.7 inches)	91%	extreme
September Weather	25°C (78°F)	198 mm (7.8 inches)	84%	extreme
October Weather	21°C (69°F)	124 mm (4.9 inches)	83%	very high
November Weather	15°C (58°F)	85 mm (3.3 inches)	81%	high
December Weather	9°C (48°F)	86 mm (3.4 inches)	79%	moderate