December weather forecastHamasaka, Japan

December

Weather in December

The first month of the winter, December, is still a chilly month in Hamasaka, Japan, with an average temperature ranging between min 3.7°C (38.7°F) and max 8.1°C (46.6°F).

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from a moderate 13.8°C (56.8°F) in November to a chilly 8.1°C (46.6°F). December nights cool to an average low-temperature of 3.7°C (38.7°F), a marginal decrease from its daytime equivalent.

Humidity

The average relative humidity in December in Hamasaka, Japan, is 80%.

Rainfall

In Hamasaka, in December, during 21.4 rainfall days, 86mm (3.39") of precipitation is typically accumulated. In Hamasaka, during the entire year, the rain falls for 210.2 days and collects up to 1091mm (42.95") of precipitation.

Snowfall

January through March and December are months with snowfall in Hamasaka. December is the first month it typically snows. Throughout December, in the average 5.8 snowfall days, it receives 93mm (3.66") of snow. In Hamasaka, during the entire year, snow falls for 31.5 days and aggregates up to 464mm (18.27") of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 06:53 and sunset at 16:49. On the last day of December, sunrise is at 07:11 and sunset at 16:58 JST.

Sunshine

In Hamasaka, the average sunshine in December is 3.2h.

UV index

The months with the lowest UV index in Hamasaka are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

The high-temperature, in December, in Hamasaka, records 8.1°C (46.6°F), while the low-temperature is 3.7°C (38.7°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is estimated at 35°C (95°F).

In December, the average relative humidity in Hamasaka, Japan, is 80%.

In Hamasaka, in December, during 21.4 rainfall days, 86mm (3.39") of precipitation is typically accumulated.

December is the first month it typically snows in Hamasaka, Japan. Throughout December, in the average 5.8 snowfall days, it receives 93mm (3.66") of snow.

December has the shortest days of the year in Hamasaka, Japan, with an average of 9h and 48min of daylight.

The average day length in December in Hamasaka is 9h and 48min.

On the first day of December in Hamasaka, sunrise is at 06:53 and sunset at 16:49. On the last day of the month, sunrise is at 07:11 and sunset at 16:58 JST.

In December, the average sunshine duration in Hamasaka is 3.2h.

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

The average daily maximum UV index in December in Hamasaka is 2. A UV Index of 2, and less, symbolizes a low health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hamasaka, Japan

  • Average high temperature in December: 8.1°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in December: 3.7°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in December
Hamasaka, Japan

  • Average pressure in December: 1019.6mbar

The month with the highest atmospheric pressure is February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).

Average wind speed in December
Hamasaka, Japan

  • Average wind speed in December: 14.8km/h

The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).

Average humidity in December
Hamasaka, Japan

  • Average humidity in December: 80%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in December
Hamasaka, Japan

  • Average rainfall in December: 86mm

The wettest month (with the highest rainfall) is July (158mm).
The driest month (with the least rainfall) is February (54mm).

Average rainfall days in December
Hamasaka, Japan

  • Average rainfall days in December: 21.4 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is May (13.3 days).

Average snowfall in December
Hamasaka, Japan

  • Average snowfall in December: 93mm

The month with the highest snowfall is January (191mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Hamasaka, Japan

  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (11 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
Hamasaka, Japan

  • Average daylight in December: 9h and 48min

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 48min).

  • Average sunshine in December: 3h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Hamasaka, Japan

  • Average sunshine days in December: 4.1 days

The month with the most sunshine days is May (16 days).
The month with the least sunshine days is January (3.1 days).

Average UV index in December
Hamasaka, 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
Hamasaka, Japan

  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 36).

Average visibility in December
Hamasaka, Japan

  • Average visibility in December: 9km

The month with the highest visibility is November (10km).
The month with the lowest visibility is July (8km).