December weather forecast
Sarufutsu, Japan

December

Weather in December

December, the first month of the winter in Sarufutsu, is also a subzero cold month, with an average temperature varying between -0.2°C (31.6°F) and -2.9°C (26.8°F).

Temperature

The onset of December introduces a moderate change in Sarufutsu's weather, with average high-temperatures falling from November's cold 5.6°C (42.1°F) to a subzero cold -0.2°C (31.6°F). In Sarufutsu, December is characterized by an average low-temperature of -2.9°C (26.8°F), indicating a minor drop from daytime highs.

Humidity

In Sarufutsu, the average relative humidity in December is 76%.

Rainfall

In December, in Sarufutsu, the rain falls for 5.3 days. Throughout December, 77mm (3.03") of precipitation is accumulated. Throughout the year, there are 135.1 rainfall days, and 740mm (29.13") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall in Sarufutsu is December, when snow falls for 19 days and typically aggregates up to 175mm (6.89") of snow.

Daylight

December has the shortest days of the year in Sarufutsu, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 06:50 and sunset at 15:50. On the last day of December, sunrise is at 07:10 and sunset at 15:58 JST.

Sunshine

In December, the average sunshine in Sarufutsu is 1.6h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

How cold is it in Sarufutsu in December?
In Sarufutsu, in December, the average high-temperature is -0.2°C (31.6°F), and the average low-temperature is -2.9°C (26.8°F).
What is the average humidity in December in Sarufutsu?
The average relative humidity in December in Sarufutsu, Japan, is 76%.
How much does it rain in Sarufutsu in December?
In Sarufutsu, in December, during 5.3 rainfall days, 77mm (3.03") of precipitation is typically accumulated.
What is the snowiest month in Sarufutsu?
The month with the most snowfall in Sarufutsu, Japan, is December, when snow falls for 19 days and typically aggregates up to 175mm (6.89") of snow.
How many days does it snow in December in Sarufutsu?
In Sarufutsu, in December, snow falls for 19 days, with typically accumulated 175mm (6.89") of snow.
What is the month with the shortest days in Sarufutsu?
With an average of 8h and 48min of daylight, December has the shortest days of the year in Sarufutsu.
How many hours of daylight does Sarufutsu have in December?
In Sarufutsu, Japan, the average day length in December is 8h and 48min.
What time are sunrise and sunset in December in Sarufutsu?
On the first day of December in Sarufutsu, sunrise is at 06:50 and sunset at 15:50. On the last day of the month, sunrise is at 07:10 and sunset at 15:58 JST.
How many hours of sunshine does Sarufutsu have in December?
In December, the average sunshine duration is 1.6h.
What are the months with the lowest UV index in Sarufutsu?
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sarufutsu, Japan.
How high is the UV index in December in Sarufutsu?
The average daily maximum UV index in December in Sarufutsu is 1. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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
Sarufutsu, Japan
  • Average high temperature in December: -0.2°C

The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (-2.9°C).

  • Average low temperature in December: -2.9°C

The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-5.7°C).

Average pressure in December
Sarufutsu, Japan
  • Average pressure in December: 1010.7mbar

The months with the highest atmospheric pressure are October and November (1014.1mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).

Average wind speed in December
Sarufutsu, Japan
  • Average wind speed in December: 28.3km/h

The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).

Average humidity in December
Sarufutsu, Japan
  • Average humidity in December: 76%

The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Sarufutsu, Japan
  • Average rainfall in December: 77mm

The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is April (35mm).

Average rainfall days in December
Sarufutsu, Japan
  • Average rainfall days in December: 5.3 days

The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is January (2.1 days).

Average snowfall in December
Sarufutsu, Japan
  • Average snowfall in December: 175mm

The month with the highest snowfall is December (175mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Sarufutsu, Japan
  • Average snowfall days in December: 19 days

The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Sarufutsu, Japan
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 1h and 4min

The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).

Average sunshine days in December
Sarufutsu, Japan
  • Average sunshine days in December: 2 days

The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is December (2 days).

Average UV index in December
Sarufutsu, Japan
  • Average UV index in December: 1

The months with the highest UV index are July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Sarufutsu, Japan
  • Average cloud cover in December: 85

The month with the most cloud cover is January (Cloud cover 90).
The month with the least cloud cover is September (Cloud cover 38).

Average visibility in December
Sarufutsu, Japan
  • Average visibility in December: 7km

The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January and December (7km).

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