December weather forecastHainuzuka, Japan

December

Weather in December

December, the first month of the winter in Hainuzuka, is still a cool month, with temperature in the range of an average high of 10.9°C (51.6°F) and an average low of 5.4°C (41.7°F).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a refreshing 17.2°C (63°F) in November to a fresh 10.9°C (51.6°F). Hainuzuka encounters a steady low-temperature average of 5.4°C (41.7°F) throughout the month of December.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Hainuzuka, in December, during 15 rainfall days, 63mm (2.48") of precipitation is typically accumulated. Throughout the year, there are 172.5 rainfall days, and 1117mm (43.98") of precipitation is accumulated.

Snowfall

Months with snowfall in Hainuzuka are January through March and December. December is the first month it typically snows. Throughout December, in the average 2.1 snowfall days, it receives 15mm (0.59") of snow. Throughout the year, there are 9.5 snowfall days, and 51mm (2.01") of snow is accumulated.

Daylight

The month with the shortest days in Hainuzuka, Japan, is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 07:03 and sunset at 17:10. On the last day of December, in Hainuzuka, sunrise is at 07:21 and sunset at 17:20 JST.

Sunshine

The average sunshine in December in Hainuzuka, Japan, is 4.9h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Hainuzuka, Japan. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

The average high-temperature, in December, in Hainuzuka, is 10.9°C (51.6°F), while the average low-temperature is 5.4°C (41.7°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 31°C (87.8°F).

In Hainuzuka, Japan, the average relative humidity in December is 73%.

In Hainuzuka, in December, it is raining for 15 days, with typically 63mm (2.48") of accumulated precipitation.

December is the first month it typically snows. Throughout December, in the average 2.1 snowfall days, it receives 15mm (0.59") of snow.

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

In December, the average day length in Hainuzuka is 10h and 0min.

In December, on the first day of the month, sunrise is at 07:03 and sunset at 17:10. On the last day of the month, in Hainuzuka, Japan, sunrise is at 07:21 and sunset at 17:20 JST.

In Hainuzuka, the average sunshine duration in December is 4.9h.

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

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

Average temperature in December
Hainuzuka, Japan

  • Average high temperature in December: 10.9°C

The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (9.1°C).

  • Average low temperature in December: 5.4°C

The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).

Average pressure in December
Hainuzuka, Japan

  • Average pressure in December: 1021.4mbar

The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

Average wind speed in December
Hainuzuka, Japan

  • Average wind speed in December: 9km/h

The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).

Average humidity in December
Hainuzuka, Japan

  • Average humidity in December: 73%

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

Average rainfall in December
Hainuzuka, Japan

  • Average rainfall in December: 63mm

The wettest month (with the highest rainfall) is July (223mm).
The driest month (with the least rainfall) is January (45mm).

Average rainfall days in December
Hainuzuka, Japan

  • Average rainfall days in December: 15 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is October (10.3 days).

Average snowfall in December
Hainuzuka, Japan

  • Average snowfall in December: 15mm

The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Hainuzuka, Japan

  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (4.8 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
Hainuzuka, Japan

  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 4h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Hainuzuka, Japan

  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in December
Hainuzuka, 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
Hainuzuka, Japan

  • Average cloud cover in December: 46

The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in December
Hainuzuka, Japan

  • Average visibility in December: 9km

The months with the highest visibility are October and November (10km).
The months with the lowest visibility are June and July (8km).