December weather forecast
Kanamachi, Japan

December

Weather in December

The first month of the winter, December, is still a cool month in Kanamachi, Japan, with an average temperature fluctuating between 5.2°C (41.4°F) and 10.8°C (51.4°F).

Temperature

In Kanamachi, the average high-temperature in December drops from an enjoyable 16.2°C (61.2°F) in November to a cool 10.8°C (51.4°F). In Kanamachi, December nights witness a steady temperature drop to an icy 5.2°C (41.4°F).

Humidity

The average relative humidity in December is 63%.

Rainfall

January and December are months with the least rain when the rain falls for 9.9 days and typically aggregates up to 40mm (1.57") of rain.

Snowfall

April through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 06:32 and sunset at 16:27. On the last day of December, in Kanamachi, sunrise is at 06:50 and sunset at 16:36 JST.

Sunshine

In Kanamachi, 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 moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 3 in December translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in Kanamachi in December?
An average high-temperature, in December, in Kanamachi, is 10.8°C (51.4°F) and the average low-temperature is 5.2°C (41.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 29°C (84.2°F).
What is the average humidity in December in Kanamachi?
The average relative humidity in December is 63%.
What is the driest month in Kanamachi?
The months with the least rainfall in Kanamachi, Japan, are January and December Rain falls for 9.9 days and accumulates 40mm (1.57") of rain.
How many days does it rain in December in Kanamachi?
In Kanamachi, during December, the rain falls for 9.9 days and regularly aggregates up to 40mm (1.57") of precipitation.
When it does not snow in Kanamachi?
April through December are months without snowfall in Kanamachi, Japan.
Does it snow in Kanamachi in December?
In Kanamachi, in December, it doesn't snow. In January, it regularly snows.
What is the month with the shortest days in Kanamachi?
With an average of 9h and 48min of daylight, December has the shortest days of the year in Kanamachi, Japan.
How many hours of daylight does Kanamachi have in December?
In Kanamachi, the average day length in December is 9h and 47min.
When is the sunrise / sunset in December in Kanamachi?
In December, on the first day of the month, sunrise is at 06:32 and sunset at 16:27. On the last day of the month, sunrise is at 06:50 and sunset at 16:36 JST.
How long on average sun shines in December in Kanamachi?
In December, the average sunshine duration in Kanamachi is 6.2h.
How high is the UV index in December in Kanamachi?
The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Kanamachi, Japan
  • Average high temperature in December: 10.8°C

The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in December: 5.2°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).

Average pressure in December
Kanamachi, Japan
  • Average pressure in December: 1016.3mbar

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
Kanamachi, Japan
  • Average wind speed in December: 12.2km/h

The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is November (11km/h).

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

The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Kanamachi, Japan
  • Average rainfall in December: 40mm

The wettest month (with the highest rainfall) is October (129mm).
The driest months (with the least rainfall) are January and December (40mm).

Average rainfall days in December
Kanamachi, Japan
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (8.3 days).

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

The month with the highest snowfall is February (43mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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

The month with the highest number of snowfall days is February (3 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
Kanamachi, 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 6min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in December
Kanamachi, Japan
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is June (7.7 days).

Average UV index in December
Kanamachi, 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
Kanamachi, Japan
  • Average cloud cover in December: 30

The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 27).

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

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

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