December Weather in Omura, Japan

Last updated: August 23, 2025

In December, the average temperature in Omura, Japan hovers around 10°C (50°F). During this time, temperatures can range from a cool 1°C (35°F) to a warm 22°C (72°F). Expect a total precipitation of 78 mm (3.1 in) spread over approximately 7 days, accompanied by an average humidity level of 72%.

December Temperature in Omura

In December in Omura, the average temperature is 10°C (50°F). Maximums can reach 22°C (72°F), and minimums can be as low as 1°C (35°F). This mild weather makes it an ideal time for outdoor activities and exploring the beautiful surroundings.

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

The chart illustrates December temperature patterns in Omura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omura, December typically has an average temperature of 10°C (50°F), with highs reaching up to 22°C (72°F) and lows dropping to around 1°C (35°F).

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

December Precipitation in Omura

In Omura in December, the total precipitation amount is 78 mm (3.1 in) over a duration of 7 days.

December Precipitation Trends in Omura

The chart displays monthly precipitation patterns in Omura, 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 Omura, December typically receives around 78 mm (3.1 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 Omura

In Omura in December, humidity is 72%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that permeates your clothing, making outdoor exploration less comfortable and requiring extra layers to stay warm during your travels.

December Average Humidity in Omura

This chart illustrates the average monthly humidity levels in Omura, 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 Omura 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 Omura

In Omura 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 Omura for better planning.

Maximum UV Index Levels in Omura for December

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

Data source: Omura 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 Omura Compares to Other Months

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

This table compares monthly weather conditions in Omura, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	53 mm (2.1 inches)	73%	moderate
February Weather	8°C (47°F)	89 mm (3.5 inches)	69%	high
March Weather	12°C (53°F)	140 mm (5.5 inches)	71%	very high
April Weather	15°C (60°F)	127 mm (5.0 inches)	79%	very high
May Weather	20°C (68°F)	204 mm (8.0 inches)	87%	extreme
June Weather	23°C (74°F)	230 mm (9.1 inches)	91%	extreme
July Weather	27°C (80°F)	409 mm (16.1 inches)	97%	extreme
August Weather	28°C (83°F)	321 mm (12.6 inches)	94%	extreme
September Weather	25°C (77°F)	220 mm (8.7 inches)	84%	extreme
October Weather	20°C (69°F)	113 mm (4.4 inches)	79%	high
November Weather	15°C (59°F)	66 mm (2.6 inches)	75%	high
December Weather	10°C (50°F)	78 mm (3.1 inches)	72%	moderate