December Weather in Maniwa, Japan

Last updated: August 23, 2025

In December, the average temperature in Maniwa, Japan hovers around 5°C (41°F), with a minimum dipping as low as -3°C (26°F) and a pleasant maximum reaching up to 19°C (67°F). Expect 55 mm (2.2 in) of precipitation spread over 9 days, alongside an average humidity of 82%. Stay prepared for a mix of chilly and mild days!

December Temperature in Maniwa

In December in Maniwa, the average temperature is 5°C (41°F). Maximums can reach 19°C (67°F) and minimums can be as low as -3°C (26°F). Be prepared for a mix of cool and mild weather during your travels, with the potential for chilly nights.

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

The chart illustrates December temperature patterns in Maniwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maniwa, December typically has an average temperature of 5°C (41°F), with highs reaching up to 19°C (67°F) and lows dropping to around -3°C (26°F).

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

December Precipitation in Maniwa

In Maniwa in December, the precipitation amount is 55 mm (2.2 in) over a span of 9 days.

December Precipitation Trends in Maniwa

The chart displays monthly precipitation patterns in Maniwa, 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 Maniwa, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Maniwa

In Maniwa in December, humidity is 82%. With an average temperature of 5°C (41°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities less enjoyable and making it essential to dress in layers to stay warm while navigating the wet conditions.

December Average Humidity in Maniwa

This chart illustrates the average monthly humidity levels in Maniwa, 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 Maniwa is approximately 82%, 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 Maniwa

In Maniwa 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 Maniwa, you can check the information here.

Maximum UV Index Levels in Maniwa for December

The chart shows the monthly maximum UV Index (UVI) for Maniwa 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 Maniwa typically reaches 3, which falls under the moderate exposure category.

Data source: Maniwa 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 Maniwa Compares to Other Months

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

This table compares monthly weather conditions in Maniwa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	44 mm (1.8 inches)	82%	moderate
February Weather	4°C (39°F)	54 mm (2.1 inches)	79%	high
March Weather	8°C (47°F)	111 mm (4.4 inches)	73%	very high
April Weather	13°C (55°F)	128 mm (5.1 inches)	74%	very high
May Weather	18°C (64°F)	120 mm (4.7 inches)	84%	extreme
June Weather	21°C (71°F)	180 mm (7.1 inches)	86%	extreme
July Weather	25°C (78°F)	343 mm (13.5 inches)	92%	extreme
August Weather	27°C (81°F)	229 mm (9.0 inches)	92%	extreme
September Weather	22°C (73°F)	225 mm (8.9 inches)	87%	very high
October Weather	17°C (62°F)	179 mm (7.0 inches)	85%	high
November Weather	10°C (51°F)	34 mm (1.3 inches)	84%	moderate
December Weather	5°C (41°F)	55 mm (2.2 inches)	82%	moderate