December weather forecastBeppu, Japan

December

Weather in December

The first month of the winter, December, is also a frosty month in Beppu, Japan, with an average temperature fluctuating between 9.8°C (49.6°F) and 3.6°C (38.5°F).

Temperature

In the transition to December, Beppu observes a drop in the average high-temperature, moving from a mild 15.6°C (60.1°F) in November to a frosty 9.8°C (49.6°F). An average minimum temperature of 3.6°C (38.5°F) marks the month of December.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Beppu, Japan, in December, during 11 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Beppu, Japan, during the entire year, the rain falls for 164.8 days and collects up to 676mm (26.61") of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Beppu. Throughout December, in the average 2.5 snowfall days, it receives 8mm (0.31") of snow. Throughout the year, in Beppu, there are 11.2 snowfall days, and 58mm (2.28") of snow is accumulated.

Sea temperature

In December, the average sea temperature in Beppu is 17.8°C (64°F).
Note: Swimming is not enjoyable for most people in water that is 17.8°C (64°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:59 and sunset at 17:06. On the last day of December, sunrise is at 07:17 and sunset at 17:16 JST.

Sunshine

In Beppu, Japan, the average sunshine in December is 5.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

The high-temperature in Beppu during December is 9.8°C (49.6°F) and the low-temperature is 3.6°C (38.5°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 38°C (100.4°F).

In December, the average relative humidity is 78%.

In Beppu, in December, during 11 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

December is the first month it typically snows in Beppu. Throughout December, in the average 2.5 snowfall days, it receives 8mm (0.31") of snow.

In Beppu, Japan, the average seawater temperature in December is 17.8°C (64°F). For most, swimming in 17.8°C (64°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

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

The average day length in December in Beppu, Japan, is 10h and 0min.

On the first day of December in Beppu, sunrise is at 06:59 and sunset at 17:06. On the last day of the month, sunrise is at 07:17 and sunset at 17:16 JST.

The average sunshine duration in December in Beppu is 5.5h.

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

The average daily maximum UV index in December in Beppu is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Beppu, Japan

  • Average high temperature in December: 9.8°C

The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (8°C).

  • Average low temperature in December: 3.6°C

The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December
Beppu, Japan

  • Average pressure in December: 1021.1mbar

The month with the highest atmospheric pressure is January (1021.6mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).

Average wind speed in December
Beppu, Japan

  • Average wind speed in December: 9.7km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest months (with the lowest average wind speed) are June and July (6.2km/h).

Average humidity in December
Beppu, Japan

  • Average humidity in December: 78%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March, April and May (74%).

Average rainfall in December
Beppu, Japan

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is July (117mm).
The driest month (with the least rainfall) is January (24mm).

Average rainfall days in December
Beppu, Japan

  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in December
Beppu, Japan

  • Average snowfall in December: 8mm

The month with the highest snowfall is January (26mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Beppu, Japan

  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December
Beppu, Japan

  • Average sea temperature in December: 17.8°C

The best month for swimming (with the highest average sea temperature) is August (27.1°C).
The coldest months (with the lowest average sea temperature) are February and March (13.9°C).

Average daylight in December /
Average sunshine in December
Beppu, 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: 5h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December
Beppu, Japan

  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is July (6.3 days).

Average UV index in December
Beppu, Japan

  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Beppu, Japan

  • Average cloud cover in December: 40

The month with the most cloud cover is June (Cloud cover 52).
The months with the least cloud cover are May, August and November (Cloud cover 37).

Average visibility in December
Beppu, Japan

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The month with the lowest visibility is June (7km).