Hachinohe
Japan
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Hachinohe, Japan

The first month of the winter, December, is still a cold month in Hachinohe, Japan, with temperature in the range of an average high of 5.5°C (41.9°F) and an average low of -1.6°C (29.1°F).

Temperature

In Hachinohe, the average high-temperature in December drops, from a cool 11.6°C (52.9°F) in November, to a cold 5.5°C (41.9°F). The average low-temperature, in Hachinohe, Japan, is -1.6°C (29.1°F).

Humidity

In Hachinohe, the average relative humidity is 70%.

Rainfall

During December, Hachinohe regularly aggregates up to 49.1mm (1.9") of precipitation. Throughout the year, 1025.1mm (40.4") of rain is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Hachinohe, Japan, 400mm (15.7") of snow is typically accumulated. Throughout the year, 2480mm (97.6") of snow is accumulated.

Sea temperature

In Hachinohe, in December, the average water temperature is 11.8°C (53.2°F).
Note: Swimming in 11.8°C (53.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The month with the shortest days is December, with an average of 9.3h of daylight.

Sunshine

December has the least sunshine of the year in Hachinohe, with an average of 4h of sunshine.

What is the temperature in December in Hachinohe?

The average high-temperature, in December, is 5.5°C (41.9°F), while the average low-temperature is -1.6°C (29.1°F).

What is the average humidity in December in Hachinohe?

In December, the average relative humidity is 70%.

How much does it rain in Hachinohe in December?

In Hachinohe, in December, 49.1mm (1.9") of precipitation is typically accumulated.

How much does it snow in Hachinohe in December?

Throughout December, in Hachinohe, Japan, 400mm (15.7") of snow is accumulated.

How cold is the water in December in Hachinohe?

In December, the average sea temperature is 11.8°C (53.2°F). Swimming in 11.8°C (53.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Hachinohe?

With an average of 9.3h of daylight, December has the shortest days of the year in Hachinohe.

How many hours of daylight does Hachinohe have in December?

The average length of the day in December in Hachinohe is 9.3h.

What is the month with the least sunshine in Hachinohe?

The month with the least sunshine in Hachinohe, Japan, is December, with an average of 4h of sunshine.

How many hours of sunshine does Hachinohe have in December?

The average sunshine in December is 4h.
Average temperature in December - Hachinohe, Japan
  • Average high temperature in December: 5.5°C

The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).

Average humidity in December - Hachinohe, Japan
  • Average humidity in December: 70%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (65%).

Average rainfall in December - Hachinohe, Japan
  • Average rainfall in December: 49.1mm

The wettest month (with the highest rainfall) is September (167.6mm).
The driest month (with the lowest rainfall) is February (40.1mm).

Average snowfall in December - Hachinohe, Japan
  • Average snowfall in December: 400mm

The month with the highest snowfall is January (770mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average sea temperature in December - Hachinohe, Japan
  • Average sea temperature in December: 11.8°C

The best month for swimming (with the highest average sea temperature) is August (22.6°C).
The coldest month (with the lowest average sea temperature) is March (7°C).

Average daylight in December / Average sunshine in December - Hachinohe, Japan
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4h

The month with most sunshine is May (Average sunshine: 6.4h).
The month with least sunshine is December (Average sunshine: 4h).