December weather forecastKitamamachi, Japan

December weather for Kitamamachi, Japan: The first month of the winter, December, is still a chilly month in Kitamamachi, Japan, with an average temperature fluctuating between 7.8°C (46°F) and 4°C (39.2°F). In Kitamamachi, during December, the rain falls for 22.2 days and regularly aggregates up to 144mm (5.67") of precipitation.

December

Weather in December

The first month of the winter, December, is still a chilly month in Kitamamachi, Japan, with an average temperature fluctuating between 7.8°C (46°F) and 4°C (39.2°F).

Temperature

Onset of December comes with a temperature decline, the average high falling from a moderate 13.9°C (57°F) in November to a chilly 7.8°C (46°F). Kitamamachi registers a gentle descent to an average nighttime low of 4°C (39.2°F) in December from its daytime highs.

Humidity

In December, the average relative humidity in Kitamamachi is 77%.

Rainfall

In Kitamamachi, during December, the rain falls for 22.2 days and regularly aggregates up to 144mm (5.67") of precipitation. In Kitamamachi, during the entire year, the rain falls for 194.8 days and collects up to 1236mm (48.66") of precipitation.

Snowfall

Months with snowfall in Kitamamachi are January through April and December. December is the first month it typically snows. Throughout December, in the average 8.4 snowfall days, it receives 217mm (8.54") of snow. In Kitamamachi, during the entire year, snow falls for 41.1 days and aggregates up to 896mm (35.28") of snow.

Daylight

December has the shortest days of the year in Kitamamachi, with an average of 9h and 42min of daylight.
On the first day of December in Kitamamachi, sunrise is at 06:47 and sunset at 16:37. On the last day of the month, sunrise is at 07:05 and sunset at 16:47 JST.

Sunshine

The average sunshine in December in Kitamamachi is 3.5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

An average high-temperature, in December, in Kitamamachi, is 7.8°C (46°F) and the average low-temperature is 4°C (39.2°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 34°C (93.2°F).

In Kitamamachi, the average relative humidity in December is 77%.

In Kitamamachi, in December, during 22.2 rainfall days, 144mm (5.67") of precipitation is typically accumulated.

December is the first month it typically snows. Throughout December, in the average 8.4 snowfall days, it receives 217mm (8.54") of snow.

December has the shortest days of the year in Kitamamachi, with an average of 9h and 42min of daylight.

The average day length in December in Kitamamachi, Japan, is 9h and 43min.

In December, on the first day of the month, sunrise is at 06:47 and sunset at 16:37. On the last day of the month, in Kitamamachi, sunrise is at 07:05 and sunset at 16:47 JST.

In December, the average sunshine duration in Kitamamachi is 3.5h.

The months with the lowest UV index in Kitamamachi are January, February and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Kitamamachi is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kitamamachi, Japan

  • Average high temperature in December: 7.8°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in December: 4°C

The month with the highest average low temperature is August (23.5°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).

Average pressure in December
Kitamamachi, Japan

  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is February (1019.6mbar).
The month with the lowest atmospheric pressure is June (1009mbar).

Average wind speed in December
Kitamamachi, Japan

  • Average wind speed in December: 16.8km/h

The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is June (9.6km/h).

Average humidity in December
Kitamamachi, Japan

  • Average humidity in December: 77%

The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are April and May (71%).

Average rainfall in December
Kitamamachi, Japan

  • Average rainfall in December: 144mm

The wettest month (with the highest rainfall) is July (157mm).
The driest month (with the least rainfall) is May (56mm).

Average rainfall days in December
Kitamamachi, Japan

  • Average rainfall days in December: 22.2 days

The month with the highest number of rainy days is December (22.2 days).
The month with the least rainy days is May (12 days).

Average snowfall in December
Kitamamachi, Japan

  • Average snowfall in December: 217mm

The month with the highest snowfall is January (341mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Kitamamachi, Japan

  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (14.9 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
Kitamamachi, Japan

  • Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 3h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Kitamamachi, Japan

  • Average sunshine days in December: 3.6 days

The month with the most sunshine days is May (17.6 days).
The month with the least sunshine days is December (3.6 days).

Average UV index in December
Kitamamachi, Japan

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Kitamamachi, Japan

  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Kitamamachi, Japan

  • Average visibility in December: 9km

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