December Weather in Hasaki, Japan

Last updated: August 23, 2025

In December, the average temperature in Hasaki, Japan hovers around 10°C (51°F), with a minimum of 1°C (35°F) and a maximum reaching 21°C (70°F). Expect about 96 mm (3.8 in) of precipitation spread over 10 days, contributing to an average humidity level of 72%. Prepare for a pleasantly cool yet damp month!

December Temperature in Hasaki

In December in Hasaki, the average temperature is 10°C (51°F). Maximum temperatures can reach 21°C (70°F), while minimums can dip as low as 1°C (35°F). It's a great time to explore the outdoors, but be sure to pack layers to stay comfortable throughout the day.

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

The chart illustrates December temperature patterns in Hasaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hasaki, December typically has an average temperature of 10°C (51°F), with highs reaching up to 21°C (70°F) and lows dropping to around 1°C (35°F).

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

December Precipitation in Hasaki

In Hasaki in December, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.

December Precipitation Trends in Hasaki

The chart displays monthly precipitation patterns in Hasaki, 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 Hasaki, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 10 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 Hasaki

In Hasaki in December, humidity is 72%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less comfortable and requiring extra layers to stay warm while exploring.

December Average Humidity in Hasaki

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

In Hasaki 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 Hasaki for better planning.

Maximum UV Index Levels in Hasaki for December

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

Data source: Hasaki 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 Hasaki Compares to Other Months

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

This table compares monthly weather conditions in Hasaki, 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)	65 mm (2.6 inches)	70%	moderate
February Weather	8°C (47°F)	59 mm (2.3 inches)	69%	moderate
March Weather	11°C (53°F)	161 mm (6.3 inches)	68%	very high
April Weather	14°C (58°F)	116 mm (4.6 inches)	73%	very high
May Weather	19°C (66°F)	144 mm (5.7 inches)	81%	extreme
June Weather	21°C (71°F)	184 mm (7.2 inches)	88%	extreme
July Weather	25°C (77°F)	201 mm (7.9 inches)	94%	extreme
August Weather	27°C (80°F)	94 mm (3.7 inches)	87%	very high
September Weather	24°C (76°F)	185 mm (7.3 inches)	83%	very high
October Weather	20°C (68°F)	274 mm (10.8 inches)	78%	high
November Weather	15°C (60°F)	124 mm (4.9 inches)	74%	moderate
December Weather	10°C (51°F)	96 mm (3.8 inches)	72%	moderate