December weather forecastMitoma, Japan

December

Weather in December

December, the first month of the winter in Mitoma, is also a fresh month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 10.5°C (50.9°F).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from an enjoyable 16.4°C (61.5°F) to a fresh 10.5°C (50.9°F). Mitoma, during December nights, experiences a subtle shift to a low average of 5.8°C (42.4°F) from the day's heat.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Mitoma, in December, it is raining for 17.3 days, with typically 70mm (2.76") of accumulated precipitation. In Mitoma, during the entire year, the rain falls for 178 days and collects up to 1063mm (41.85") of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Mitoma. Throughout December, in the average 2.5 snowfall days, it receives 12mm (0.47") of snow. In Mitoma, during the entire year, snow falls for 10.4 days and aggregates up to 48mm (1.89") of snow.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:04 and sunset at 17:09. On the last day of the month, sunrise is at 07:22 and sunset at 17:20 JST.

Sunshine

In Mitoma, Japan, the average sunshine in December is 4.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during December translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

Mitoma in December has an average high-temperature of 10.5°C (50.9°F) and an average low-temperature of 5.8°C (42.4°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is appraised at 39°C (102.2°F).

The average relative humidity in December in Mitoma, Japan, is 73%.

In Mitoma, Japan, in December, during 17.3 rainfall days, 70mm (2.76") of precipitation is typically accumulated.

December is the first month it typically snows. Throughout December, in the average 2.5 snowfall days, it receives 12mm (0.47") of snow.

December has the shortest days of the year, with an average of 10h and 0min of daylight.

In December, the average day length in Mitoma is 9h and 58min.

In December, on the first day of the month, sunrise is at 07:04 and sunset at 17:09. On the last day of the month, in Mitoma, Japan, sunrise is at 07:22 and sunset at 17:20 JST.

In Mitoma, Japan, the average sunshine duration in December is 4.3h.

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

In December, the average daily maximum UV index in Mitoma is 2. A UV Index reading of 2, and below, represents 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
Mitoma, Japan

  • Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in December: 5.8°C

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).

Average pressure in December
Mitoma, Japan

  • Average pressure in December: 1021.5mbar

The month with the highest atmospheric pressure is January (1022.1mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

Average wind speed in December
Mitoma, Japan

  • Average wind speed in December: 14.1km/h

The windiest month (with the highest average wind speed) is January (14.2km/h).
The calmest month (with the lowest average wind speed) is June (9.4km/h).

Average humidity in December
Mitoma, Japan

  • Average humidity in December: 73%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (72%).

Average rainfall in December
Mitoma, Japan

  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is July (193mm).
The driest month (with the least rainfall) is January (52mm).

Average rainfall days in December
Mitoma, Japan

  • Average rainfall days in December: 17.3 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is May (10.8 days).

Average snowfall in December
Mitoma, Japan

  • Average snowfall in December: 12mm

The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Mitoma, Japan

  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4.9 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
Mitoma, Japan

  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 4h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Mitoma, Japan

  • Average sunshine days in December: 9.8 days

The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in December
Mitoma, 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 and December (UV index 2).

Average cloud cover in December
Mitoma, Japan

  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Mitoma, Japan

  • Average visibility in December: 10km

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