December weather forecast
Nakahatacho, Japan

December

Weather in December

December, the first month of the winter in Nakahatacho, is still a chilly month, with an average temperature fluctuating between 8.7°C (47.7°F) and 1.9°C (35.4°F).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's mild 14.9°C (58.8°F) to a chilly 8.7°C (47.7°F). An average low-temperature of 1.9°C (35.4°F) is observed during the December nights.

Humidity

In Nakahatacho, the average relative humidity in December is 81%.

Rainfall

In Nakahatacho, in December, it is raining for 11.9 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 163.2 rainfall days, and 968mm (38.11") of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in Nakahatacho. December is the first month it typically snows in Nakahatacho. Throughout December, in the average 2.1 snowfall days, it receives 24mm (0.94") of snow. In Nakahatacho, Japan, during the entire year, snow falls for 14.7 days and aggregates up to 132mm (5.2") of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:49 and sunset at 16:48. On the last day of December, sunrise is at 07:07 and sunset at 16:58 JST.

Sunshine

The average sunshine in December is 4.6h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. It's recommended to limit sun exposure when its radiation is at its peak during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What is the usual temperature for Nakahatacho in December?
An average high-temperature, in December, in Nakahatacho, is 8.7°C (47.7°F) and the average low-temperature is 1.9°C (35.4°F). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 41°C (105.8°F).
What is the average humidity in December?
The average relative humidity in December is 81%.
How many days does it rain in December?
In Nakahatacho, during December, the rain falls for 11.9 days and regularly aggregates up to 46mm (1.81") of precipitation.
When does it start to snow?
December is the first month it typically snows. Throughout December, in the average 2.1 snowfall days, it receives 24mm (0.94") of snow.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 54min of daylight.
How many hours of daylight does Nakahatacho have in December?
In Nakahatacho, the average day length in December is 9h and 51min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 06:49 and sunset at 16:48. On the last day of the month, sunrise is at 07:07 and sunset at 16:58 JST.
How long on average sun shines in December?
In December, the average sunshine duration is 4.6h.
When is the lowest UV index in Nakahatacho?
The months with the lowest UV index in Nakahatacho are January, February and December, with an average maximum UV index of 2.
What is the UV index intensity in December in Nakahatacho?
In Nakahatacho, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from 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
Nakahatacho, Japan
  • Average high temperature in December: 8.7°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (6.6°C).

  • Average low temperature in December: 1.9°C

The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (0°C).

Average pressure in December
Nakahatacho, Japan
  • Average pressure in December: 1019.5mbar

The month with the highest atmospheric pressure is February (1020.1mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).

Average wind speed in December
Nakahatacho, Japan
  • Average wind speed in December: 8.1km/h

The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).

Average humidity in December
Nakahatacho, Japan
  • Average humidity in December: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is May (75%).

Average rainfall in December
Nakahatacho, Japan
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is July (181mm).
The driest months (with the least rainfall) are January and November (34mm).

Average rainfall days in December
Nakahatacho, Japan
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in December
Nakahatacho, Japan
  • Average snowfall in December: 24mm

The month with the highest snowfall is January (61mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Nakahatacho, Japan
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (6.5 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
Nakahatacho, 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 54min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in December
Nakahatacho, Japan
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in December
Nakahatacho, 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
Nakahatacho, Japan
  • Average cloud cover in December: 48

The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is November (Cloud cover 41).

Average visibility in December
Nakahatacho, Japan
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, November and December (9km).
The month with the lowest visibility is July (7km).

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