December Weather in Niikappu, Japan

Last updated: August 23, 2025

In December, the average temperature in Niikappu, Japan hovers around 3°C (37°F), with minimum dips to -5°C (24°F) and maximum highs reaching 14°C (58°F). Expect 124 mm (4.9 in) of precipitation spread over 23 days, coupled with an average humidity level of 80%. Prepare for a chilly and damp month!

December Temperature in Niikappu

In December in Niikappu, the average temperature is 3°C (37°F), with maximums reaching up to 14°C (58°F) and minimums dipping as low as -5°C (24°F). Travelers should prepare for a chilly climate and dress in layers to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Niikappu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niikappu, December typically has an average temperature of 3°C (37°F), with highs reaching up to 14°C (58°F) and lows dropping to around -5°C (24°F).

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

December Precipitation in Niikappu

In Niikappu in December, the precipitation amount is 124 mm (4.9 in) over the course of 23 days.

December Precipitation Trends in Niikappu

The chart displays monthly precipitation patterns in Niikappu, 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 Niikappu, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 23 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 Niikappu

In Niikappu in December, humidity is 80%. With an average temperature of 3°C (37°F), this humidity feels like a damp blanket wrapping around you, making outdoor adventures less enjoyable and prompting you to seek cozy indoor activities instead.

December Average Humidity in Niikappu

This chart illustrates the average monthly humidity levels in Niikappu, 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 Niikappu is approximately 80%, 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 Niikappu

In Niikappu in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Niikappu, you can visit Hourly UV Index in Niikappu.

Maximum UV Index Levels in Niikappu for December

The chart shows the monthly maximum UV Index (UVI) for Niikappu 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 Niikappu typically reaches 2, which falls under the low exposure category.

Data source: Niikappu 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 Niikappu Compares to Other Months

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

This table compares monthly weather conditions in Niikappu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	77 mm (3.0 inches)	84%	low
February Weather	-1°C (30°F)	76 mm (3.0 inches)	83%	moderate
March Weather	2°C (36°F)	86 mm (3.4 inches)	81%	moderate
April Weather	5°C (41°F)	88 mm (3.5 inches)	81%	very high
May Weather	9°C (49°F)	104 mm (4.1 inches)	86%	very high
June Weather	14°C (57°F)	127 mm (5.0 inches)	87%	very high
July Weather	18°C (65°F)	127 mm (5.0 inches)	93%	very high
August Weather	21°C (69°F)	159 mm (6.3 inches)	95%	very high
September Weather	19°C (67°F)	124 mm (4.9 inches)	88%	very high
October Weather	15°C (59°F)	192 mm (7.6 inches)	83%	high
November Weather	9°C (48°F)	120 mm (4.7 inches)	79%	moderate
December Weather	3°C (37°F)	124 mm (4.9 inches)	80%	low