December weather forecast
Sarugakucho, Japan

December

Weather in December

December, the first month of the winter in Sarugakucho, is also a fresh month, with an average temperature fluctuating between 5.9°C (42.6°F) and 11.2°C (52.2°F).

Temperature

With the onset of December, Sarugakucho experiences a modest temperature adjustment, with the average high-temperature receding from a refreshing 16.5°C (61.7°F) in November to a fresh 11.2°C (52.2°F). During December nights, Sarugakucho records an average temperature of 5.9°C (42.6°F).

Humidity

The average relative humidity in December in Sarugakucho is 63%.

Rainfall

In December, in Sarugakucho, the rain falls for 5.9 days. Throughout December, 12mm (0.47") of precipitation is accumulated. In Sarugakucho, during the entire year, the rain falls for 125.3 days and collects up to 359mm (14.13") of precipitation.

Snowfall

March through December are months without snowfall in Sarugakucho.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Sarugakucho.
On the first day of December, sunrise is at 06:32 and sunset at 16:28. On the last day of the month, sunrise is at 06:50 and sunset at 16:37 JST.

Sunshine

In Sarugakucho, Japan, the average sunshine in December is 6.2h.

UV index

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in December in Sarugakucho?
In December, the average high-temperature and low-temperature are 11.2°C (52.2°F) and 5.9°C (42.6°F) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 38°C (100.4°F).
What is the average humidity in December in Sarugakucho?
In December, the average relative humidity in Sarugakucho is 63%.
How much does it rain in Sarugakucho in December?
In Sarugakucho, Japan, during December, the rain falls for 5.9 days and regularly aggregates up to 12mm (0.47") of precipitation.
When it does not snow in Sarugakucho?
March through December are months without snowfall in Sarugakucho.
Does it snow in Sarugakucho in December?
In Sarugakucho, in December, it doesn't snow. In January, it regularly snows.
What is the month with the shortest days in Sarugakucho?
December has the shortest days of the year, with an average of 9h and 48min of daylight.
What is the average length of the day in December in Sarugakucho?
In December, the average day length is 9h and 48min.
When are sunrise and sunset in December in Sarugakucho?
On the first day of December, sunrise is at 06:32 and sunset at 16:28. On the last day of the month, sunrise is at 06:50 and sunset at 16:37 JST.
How many hours of sunshine does Sarugakucho have in December?
In December, the average sunshine duration in Sarugakucho is 6.2h.
How high is the UV index in December in Sarugakucho?
In Sarugakucho, Japan, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Sarugakucho, Japan
  • Average high temperature in December: 11.2°C

The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in December: 5.9°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).

Average pressure in December
Sarugakucho, Japan
  • Average pressure in December: 1016.2mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Sarugakucho, Japan
  • Average wind speed in December: 13.5km/h

The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).

Average humidity in December
Sarugakucho, Japan
  • Average humidity in December: 63%

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Sarugakucho, Japan
  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).

Average rainfall days in December
Sarugakucho, Japan
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Sarugakucho, Japan
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Sarugakucho, Japan
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Sarugakucho, Japan
  • Average daylight in December: 9h and 5min

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

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

Average sunshine days in December
Sarugakucho, Japan
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in December
Sarugakucho, Japan
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December
Sarugakucho, Japan
  • Average cloud cover in December: 30

The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).

Average visibility in December
Sarugakucho, Japan
  • Average visibility in December: 10km

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

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