December weather forecast
Hija, Japan

December

Weather in December

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

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 23.9°C (75°F) in November to a pleasant 20.5°C (68.9°F). Hija, in December, registers a nighttime average temperature of 18.6°C (65.5°F).

Humidity

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

Rainfall

In December, the rain falls for 18.5 days. Throughout December, 68mm (2.68") of precipitation is accumulated. Throughout the year, there are 215.5 rainfall days, and 1300mm (51.18") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 30min of daylight.
On the first day of December in Hija, 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 is 4.4h.

UV index

December is the month with the lowest UV index in Hija, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, a regular UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What are December temperatures in Hija?
During December, Hija experiences an average high-temperature of 20.5°C (68.9°F) and a low-temperature of 18.6°C (65.5°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 33°C (91.4°F).
What is the average humidity in December in Hija?
The average relative humidity in December in Hija is 73%.
How many days does it rain in December in Hija?
In Hija, Japan, during December, the rain falls for 18.5 days and regularly aggregates up to 68mm (2.68") of precipitation.
What is the month with the shortest days in Hija?
December has the shortest days of the year in Hija, with an average of 10h and 30min of daylight.
How many hours of daylight does Hija have in December?
In Hija, Japan, the average day length in December is 10h and 31min.
What time are sunrise and sunset in December in Hija?
On the first day of December, 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.
How long on average sun shines in December in Hija?
The average sunshine duration in December in Hija, Japan, is 4.4h.
What is the month with the lowest UV index in Hija?
The month with the lowest UV index is December, with an average maximum UV index of 4.
What is the UV index intensity in December in Hija?
In December, the average daily maximum UV index in Hija, Japan, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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 - Hija, Japan
Average temperature in December
Hija, 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 - Hija, Japan
Average pressure in December
Hija, 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 - Hija, Japan
Average wind speed in December
Hija, 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 - Hija, Japan
Average humidity in December
Hija, 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 - Hija, Japan
Average rainfall in December
Hija, 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 - Hija, Japan
Average rainfall days in December
Hija, 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 - Hija, Japan
Average daylight in December /
Average sunshine in December
Hija, Japan
  • Average daylight in December: 10h and 3min

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 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 - Hija, Japan
Average sunshine days in December
Hija, 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 - Hija, Japan
Average UV index in December
Hija, 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 - Hija, Japan
Average cloud cover in December
Hija, 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 - Hija, Japan
Average visibility in December
Hija, 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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