December weather forecastKusai, Japan

December weather for Kusai, Japan: The first month of the winter, December, is also a frosty month in Kusai, Japan, with temperature in the range of an average low of 2.1°C (35.8°F) and an average high of 8.6°C (47.5°F). December has the shortest days of the year in Kusai, Japan, with an average of 9h and 48min of daylight.

December

Weather in December

The first month of the winter, December, is also a frosty month in Kusai, Japan, with temperature in the range of an average low of 2.1°C (35.8°F) and an average high of 8.6°C (47.5°F).

Temperature

December comes with a drop in the average high-temperature, falling from November's mild 14.9°C (58.8°F) to a chilly 8.6°C (47.5°F). The average nighttime temperature lowers to a cold 2.1°C (35.8°F) throughout December.

Humidity

In Kusai, the average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 17 days. Throughout December, 64mm (2.52") of precipitation is accumulated. In Kusai, during the entire year, the rain falls for 181.5 days and collects up to 1229mm (48.39") of precipitation.

Snowfall

Months with snowfall in Kusai are January through March and December. December is the first month it typically snows in Kusai. Throughout December, in the average 4.3 snowfall days, it receives 43mm (1.69") of snow. Throughout the year, in Kusai, there are 19 snowfall days, and 175mm (6.89") of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Kusai.
On the first day of the month, sunrise is at 06:43 and sunset at 16:40. On the last day of December, in Kusai, sunrise is at 07:01 and sunset at 16:49 JST.

Sunshine

In December, the average sunshine is 5.8h.

UV index

The months with the lowest UV index in Kusai are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

The average high-temperature and low-temperature in Kusai, Japan, during December are 8.6°C (47.5°F) and 2.1°C (35.8°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 29°C (84.2°F).

The average relative humidity in December in Kusai, Japan, is 77%.

In Kusai, in December, it is raining for 17 days, with typically 64mm (2.52") of accumulated precipitation.

December is the first month it typically snows. Throughout December, in the average 4.3 snowfall days, it receives 43mm (1.69") of snow.

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

In December, the average day length in Kusai is 9h and 49min.

In December, on the first day of the month, sunrise is at 06:43 and sunset at 16:40. On the last day of the month, in Kusai, sunrise is at 07:01 and sunset at 16:49 JST.

In December, the average sunshine duration in Kusai, Japan, is 5.8h.

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

In Kusai, Japan, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kusai, Japan

  • Average high temperature in December: 8.6°C

The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in December: 2.1°C

The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in December
Kusai, Japan

  • Average pressure in December: 1018.5mbar

The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in December
Kusai, Japan

  • Average wind speed in December: 7km/h

The windiest months (with the highest average wind speed) are March and April (8km/h).
The calmest month (with the lowest average wind speed) is July (6km/h).

Average humidity in December
Kusai, Japan

  • Average humidity in December: 77%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (70%).

Average rainfall in December
Kusai, Japan

  • Average rainfall in December: 64mm

The wettest month (with the highest rainfall) is July (208mm).
The driest month (with the least rainfall) is January (47mm).

Average rainfall days in December
Kusai, Japan

  • Average rainfall days in December: 17 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (12.1 days).

Average snowfall in December
Kusai, Japan

  • Average snowfall in December: 43mm

The month with the highest snowfall is January (82mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Kusai, Japan

  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (8.2 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
Kusai, 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: 5h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in December
Kusai, Japan

  • Average sunshine days in December: 9.1 days

The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is December (9.1 days).

Average UV index in December
Kusai, 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
Kusai, Japan

  • Average cloud cover in December: 39

The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 33).

Average visibility in December
Kusai, 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 months with the lowest visibility are June, July and September (8km).