December weather forecast
Komesu, Japan

December

Weather in December

December, the first month of the winter in Komesu, is also an agreeable month, with an average temperature ranging between max 20.6°C (69.1°F) and min 18.8°C (65.8°F).

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's warm 23.9°C (75°F) to an agreeable 20.6°C (69.1°F). Komesu encounters an average temperature dip to a comfortable 18.8°C (65.8°F) throughout December, subtly lower than its daytime maximum.

Humidity

The average relative humidity in December in Komesu is 73%.

Rainfall

In Komesu, in December, during 21.2 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, there are 227.4 rainfall days, and 1405mm (55.31") of precipitation is accumulated.

Daylight

With an average of 10h and 30min of daylight, December has the shortest days of the year in Komesu.
On the first day of December, sunrise is at 06:59 and sunset at 17:37. On the last day of the month, sunrise is at 07:16 and sunset at 17:48 JST.

Sunshine

In December, the average sunshine in Komesu is 4.4h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, a daily maximum UV index of 4 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

What is the usual temperature for Komesu in December?
In Komesu, in December, the average high-temperature is 20.6°C (69.1°F), and the average low-temperature is 18.8°C (65.8°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 33°C (91.4°F).
What is the average humidity in December in Komesu?
The average relative humidity in December in Komesu, Japan, is 73%.
How many days does it rain in December in Komesu?
In Komesu, Japan, in December, during 21.2 rainfall days, 81mm (3.19") of precipitation is typically accumulated.
What is the month with the shortest days in Komesu?
The month with the shortest days in Komesu, Japan, is December, with an average of 10h and 30min of daylight.
How many hours of daylight does Komesu have in December?
The average day length in December is 10h and 32min.
When is the sunrise / sunset in December in Komesu?
On the first day of December in Komesu, sunrise is at 06:59 and sunset at 17:37. On the last day of the month, sunrise is at 07:16 and sunset at 17:48 JST.
How many hours of sunshine does Komesu have in December?
The average sunshine duration in December is 4.4h.
When is the lowest UV index in Komesu?
December is the month with the lowest UV index, with an average maximum UV index of 4.
What is the UV index intensity in December in Komesu?
In Komesu, Japan, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Komesu, Japan
Average temperature in December
Komesu, Japan
  • Average high temperature in December: 20.6°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.9°C).

  • Average low temperature in December: 18.8°C

The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).

Average pressure in December - Komesu, Japan
Average pressure in December
Komesu, Japan
  • Average pressure in December: 1019.8mbar

The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in December - Komesu, Japan
Average wind speed in December
Komesu, Japan
  • Average wind speed in December: 28.4km/h

The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).

Average humidity in December - Komesu, Japan
Average humidity in December
Komesu, Japan
  • Average humidity in December: 73%

The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).

Average rainfall in December - Komesu, Japan
Average rainfall in December
Komesu, Japan
  • Average rainfall in December: 81mm

The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).

Average rainfall days in December - Komesu, Japan
Average rainfall days in December
Komesu, Japan
  • Average rainfall days in December: 21.2 days

The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).

Average daylight in December / Average sunshine in December - Komesu, Japan
Average daylight in December /
Average sunshine in December
Komesu, Japan
  • Average daylight in December: 10h and 3min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December - Komesu, Japan
Average sunshine days in December
Komesu, Japan
  • Average sunshine days in December: 5.7 days

The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).

Average UV index in December - Komesu, Japan
Average UV index in December
Komesu, Japan
  • Average UV index in December: 4

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in December - Komesu, Japan
Average cloud cover in December
Komesu, Japan
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December - Komesu, Japan
Average visibility in December
Komesu, Japan
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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