December weather forecastNobiru, Japan

December

Weather in December

The first month of the winter, December, is still a chilly month in Nobiru, Japan, with an average temperature varying between 2.2°C (36°F) and 6.9°C (44.4°F).

Temperature

As November transitions to December, the average high-temperature falls from a moderate 13°C (55.4°F) to a frosty 6.9°C (44.4°F). The nights of December are characterized by an average low-temperature of 2.2°C (36°F), subtly descending from daytime highs.

Humidity

In Nobiru, the average relative humidity in December is 74%.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 134.2 rainfall days, and 724mm (28.5") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April and December. December is the first month it typically snows. Throughout December, in the average 5.2 snowfall days, it receives 28mm (1.1") of snow. Throughout the year, there are 24.2 snowfall days, and 190mm (7.48") of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:33 and sunset at 16:15. On the last day of December, sunrise is at 06:52 and sunset at 16:24 JST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

In December, the average high-temperature and low-temperature in Nobiru are 6.9°C (44.4°F) and 2.2°C (36°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 32°C (89.6°F).

The average relative humidity in December in Nobiru is 74%.

In December, the rain falls for 10.1 days. Throughout December, 32mm (1.26") of precipitation is accumulated.

December is the first month it typically snows. Throughout December, in the average 5.2 snowfall days, it receives 28mm (1.1") of snow.

The month with the shortest days is December, with an average of 9h and 30min of daylight.

The average day length in December is 9h and 33min.

In December, on the first day of the month, sunrise is at 06:33 and sunset at 16:15. On the last day of the month, sunrise is at 06:52 and sunset at 16:24 JST.

The average sunshine duration in December is 5.4h.

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index.

In Nobiru, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Nobiru, Japan

  • Average high temperature in December: 6.9°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in December: 2.2°C

The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).

Average pressure in December
Nobiru, Japan

  • Average pressure in December: 1016.1mbar

The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in December
Nobiru, Japan

  • Average wind speed in December: 15km/h

The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).

Average humidity in December
Nobiru, Japan

  • Average humidity in December: 74%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).

Average rainfall in December
Nobiru, Japan

  • Average rainfall in December: 32mm

The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in December
Nobiru, Japan

  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December
Nobiru, Japan

  • Average snowfall in December: 28mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Nobiru, Japan

  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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

  • Average daylight in December: 9h and 30min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 24min

The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in December
Nobiru, Japan

  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).

Average UV index in December
Nobiru, Japan

  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in December
Nobiru, Japan

  • Average cloud cover in December: 42

The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).

Average visibility in December
Nobiru, Japan

  • Average visibility in December: 10km

The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).