December Weather in Hachimantai

Last updated: March 2, 2024

The weather in Hachimantai, Japan, during December is characterized by an average temperature of -1°C (30°F). Highs can soar to 9°C (49°F), while lows may dip to -11°C (13°F). Typically, the humidity level in Hachimantai throughout December hovers around 80%.

-11°C (13°F)

Minimum temperature

-1°C (30°F)

Average temperature

9°C (49°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In December, Hachimantai averages 87 mm (3.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 9 hours 22 minutes of daylight, with the sun shining for approximately 5 hours 51 minutes each day. Additionally, there is a 31% probability of sunny days during this period.

87 mm (3.4 inches)

Precipitation

15 rainy days

Rainy days

5 hours 51 minutes

Sunshine hours

31%

Chance of sun

UV Index

In December, the UV Index in Hachimantai reaches a maximum of 3, indicating a level of Low exposure. The most intense UV radiation typically occurs between 09:00 and 11:00, during which unprotected skin may burn in as little as 45 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	1	2	2	2	2	2	1	1	1	0	0	0
Exposure	Low
Time to burn	45 min