December weather forecastZaha, Japan

December

Weather in December

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

Temperature

Zaha's weather subtly changes with the onset of December, barely falling from a warm 23.9°C (75°F) in November to an agreeable 20.6°C (69.1°F). In Zaha, the nighttime temperature shows a slight difference from the daytime high, averaging to an enjoyable 18.8°C (65.8°F) during December.

Humidity

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

Rainfall

In Zaha, in December, it is raining for 21.2 days, with typically 81mm (3.19") of accumulated precipitation. Throughout the year, in Zaha, Japan, there are 227.4 rainfall days, and 1405mm (55.31") of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in December in Zaha, Japan, 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 moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in December interprets into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

The high-temperature, in December, in Zaha, records 20.6°C (69.1°F), while the 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).

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

In Zaha, during December, the rain falls for 21.2 days and regularly aggregates up to 81mm (3.19") of precipitation.

The month with the shortest days in Zaha, Japan, is December, with an average of 10h and 30min of daylight.

In Zaha, the average day length in December is 10h and 32min.

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.

In December, the average sunshine duration is 4.4h.

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

In December, the average daily maximum UV index in Zaha is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Zaha, 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
Zaha, 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
Zaha, 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
Zaha, 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
Zaha, 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
Zaha, 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
Zaha, Japan

  • Average daylight in December: 10h and 30min

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 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
Zaha, 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
Zaha, 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
Zaha, 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
Zaha, 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).