December weather forecastBihoro, Japan

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Bihoro, Japan, with an average temperature ranging between min -5.5°C (22.1°F) and max -0.6°C (30.9°F).

Temperature

A shift in Bihoro's weather is observed as November turns into December, with the average high temperature reducing from a cold 5.9°C (42.6°F) to a subzero cold -0.6°C (30.9°F). Bihoro welcomes an average low temperature of -5.5°C (22.1°F) in December, a gentle shift from the day's high.

Humidity

In Bihoro, Japan, the average relative humidity in December is 80%.

Rainfall

In December, in Bihoro, the rain falls for 5.4 days. Throughout December, 36mm (1.42") of precipitation is accumulated. In Bihoro, during the entire year, the rain falls for 111 days and collects up to 503mm (19.8") of precipitation.

Snowfall

Months with snowfall in Bihoro are January through May, October through December. In Bihoro, during December, snow falls for 12.6 days and regularly aggregates up to 142mm (5.59") of snow. In Bihoro, during the entire year, snow falls for 66.5 days and aggregates up to 701mm (27.6") of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:37 and sunset at 15:47. On the last day of the month, sunrise is at 06:57 and sunset at 15:55 JST.

Sunshine

The average sunshine in December in Bihoro is 4h.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

In December, the average high-temperature and low-temperature are -0.6°C (30.9°F) and -5.5°C (22.1°F) respectively.

In December, the average relative humidity in Bihoro, Japan, is 80%.

In December, in Bihoro, the rain falls for 5.4 days. Throughout December, 36mm (1.42") of precipitation is accumulated.

In Bihoro, Japan, during December, snow falls for 12.6 days and regularly aggregates up to 142mm (5.59") of snow.

With an average of 9h and 0min of daylight, December has the shortest days of the year in Bihoro, Japan.

The average day length in December is 8h and 59min.

In December, on the first day of the month, sunrise is at 06:37 and sunset at 15:47. On the last day of the month, in Bihoro, sunrise is at 06:57 and sunset at 15:55 JST.

In December, the average sunshine duration is 4h.

The months with the lowest UV index in Bihoro, Japan, are January through March and December, with an average maximum UV index of 1.

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bihoro, Japan

  • Average high temperature in December: -0.6°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (-3.9°C).

  • Average low temperature in December: -5.5°C

The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).

Average pressure in December
Bihoro, Japan

  • Average pressure in December: 1011.3mbar

The month with the highest atmospheric pressure is October (1015.3mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).

Average wind speed in December
Bihoro, Japan

  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).

Average humidity in December
Bihoro, Japan

  • Average humidity in December: 80%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (77%).

Average rainfall in December
Bihoro, Japan

  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is February (24mm).

Average rainfall days in December
Bihoro, Japan

  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in December
Bihoro, Japan

  • Average snowfall in December: 142mm

The month with the highest snowfall is February (159mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Bihoro, Japan

  • Average snowfall days in December: 12.6 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Bihoro, Japan

  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in December
Bihoro, Japan

  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in December
Bihoro, Japan

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 1).

Average cloud cover in December
Bihoro, Japan

  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is October (Cloud cover 39).

Average visibility in December
Bihoro, Japan

  • Average visibility in December: 9km

The months with the highest visibility are January, April, May, September, October, November and December (9km).
The months with the lowest visibility are February, March, June, July and August (8km).