December Weather in Masuda, Japan

Last updated: August 23, 2025

In December, the average temperature in Masuda, Japan hovers around 10°C (50°F). Expect lows of 1°C (35°F) and highs reaching up to 20°C (68°F). This month, anticipate 124 mm (4.9 in) of precipitation spread over 17 days, contributing to an average humidity of 75%. Stay prepared for some refreshing, albeit damp, days ahead!

December Temperature in Masuda

In December in Masuda, the average temperature is 10°C (50°F). The maximum can reach 20°C (68°F), while the minimum can be as low as 1°C (35°F). It's a great time to explore Masuda, with mild weather perfect for outdoor activities and sightseeing.

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

The chart illustrates December temperature patterns in Masuda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Masuda, December typically has an average temperature of 10°C (50°F), with highs reaching up to 20°C (68°F) and lows dropping to around 1°C (35°F).

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

December Precipitation in Masuda

In Masuda in December, the precipitation amount is 124 mm (4.9 in) over the course of 17 days.

December Precipitation Trends in Masuda

The chart displays monthly precipitation patterns in Masuda, 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 Masuda, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 17 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 Masuda

In Masuda in December humidity is 75%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and necessitating extra layers for warmth and comfort.

December Average Humidity in Masuda

This chart illustrates the average monthly humidity levels in Masuda, 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 Masuda is approximately 75%, 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 Masuda

In Masuda 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 Masuda, you can check the information here.

Maximum UV Index Levels in Masuda for December

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

Data source: Masuda 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 Masuda Compares to Other Months

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

This table compares monthly weather conditions in Masuda, 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)	119 mm (4.7 inches)	76%	moderate
February Weather	7°C (46°F)	115 mm (4.5 inches)	72%	moderate
March Weather	11°C (51°F)	160 mm (6.3 inches)	69%	very high
April Weather	14°C (57°F)	122 mm (4.8 inches)	75%	very high
May Weather	18°C (65°F)	117 mm (4.6 inches)	84%	extreme
June Weather	21°C (70°F)	172 mm (6.8 inches)	88%	extreme
July Weather	25°C (78°F)	295 mm (11.6 inches)	95%	extreme
August Weather	27°C (81°F)	225 mm (8.9 inches)	93%	extreme
September Weather	24°C (75°F)	234 mm (9.2 inches)	84%	very high
October Weather	19°C (67°F)	150 mm (5.9 inches)	79%	high
November Weather	15°C (59°F)	66 mm (2.6 inches)	76%	moderate
December Weather	10°C (50°F)	124 mm (4.9 inches)	75%	moderate