December weather forecastAgeda, Japan

December

Weather in December

The first month of the winter, December, is also an agreeable month in Ageda, Japan, with an average temperature ranging between min 18.6°C (65.5°F) and max 20.5°C (68.9°F).

Temperature

A moderate decline in average high-temperatures is noted in December, moving from a moderately hot 23.9°C (75°F) in November to a pleasant 20.5°C (68.9°F). Ageda documents a consistent average low-temperature of 18.6°C (65.5°F) at night during December.

Humidity

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

Rainfall

In Ageda, Japan, in December, during 18.5 rainfall days, 68mm (2.68") of precipitation is typically accumulated. Throughout the year, there are 215.5 rainfall days, and 1300mm (51.18") of precipitation is accumulated.

Daylight

With an average of 10h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Ageda, Japan, sunrise is at 06:59 and sunset at 17:36. On the last day of the month, sunrise is at 07:16 and sunset at 17:47 JST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 4 in December translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

December temperatures in Ageda, Japan, vary between a high-temperature of 20.5°C (68.9°F) and a low-temperature of 18.6°C (65.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 33°C (91.4°F).

In December, the average relative humidity is 73%.

In December, in Ageda, the rain falls for 18.5 days. Throughout December, 68mm (2.68") of precipitation is accumulated.

December has the shortest days of the year in Ageda, with an average of 10h and 30min of daylight.

In December, the average day length in Ageda is 10h and 31min.

In December, on the first day of the month, sunrise is at 06:59 and sunset at 17:36. On the last day of the month, in Ageda, Japan, sunrise is at 07:16 and sunset at 17:47 JST.

In Ageda, Japan, the average sunshine duration in December is 4.4h.

The month with the lowest UV index in Ageda, Japan, is December, with an average maximum UV index of 4.

In December, the average daily maximum UV index in Ageda is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ageda, Japan

  • Average high temperature in December: 20.5°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in December: 18.6°C

The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in December
Ageda, Japan

  • Average pressure in December: 1019.9mbar

The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in December
Ageda, Japan

  • Average wind speed in December: 27.6km/h

The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).

Average humidity in December
Ageda, 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
Ageda, Japan

  • Average rainfall in December: 68mm

The wettest month (with the highest rainfall) is June (198mm).
The driest months (with the least rainfall) are January and February (53mm).

Average rainfall days in December
Ageda, Japan

  • Average rainfall days in December: 18.5 days

The month with the highest number of rainy days is October (19.7 days).
The month with the least rainy days is July (16.1 days).

Average daylight in December /
Average sunshine in December
Ageda, Japan

  • Average daylight in December: 10h and 30min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 4h and 24min

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
Ageda, Japan

  • Average sunshine days in December: 9.1 days

The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is September (7.1 days).

Average UV index in December
Ageda, 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
Ageda, Japan

  • Average cloud cover in December: 57

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
Ageda, 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).