December weather forecast
Zama, Japan

December

Weather in December

The first month of the winter, December, is still a cool month in Zama, Japan, with an average temperature varying between 5°C (41°F) and 10.5°C (50.9°F).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a refreshing 15.8°C (60.4°F) in November to a fresh 10.5°C (50.9°F). Zama throughout December, records an average low-temperature of 5°C (41°F).

Humidity

In December, the average relative humidity in Zama, Japan, is 64%.

Rainfall

The months with the least rainfall are February and December Rain falls for 10 days and accumulates 46mm (1.81") of rain.

Snowfall

January through March, November and December are months with snowfall in Zama, Japan. In Zama, in December, snow falls for 0.4 days, with typically accumulated 1mm (0.04") of snow. Throughout the year, there are 7.8 snowfall days, and 94mm (3.7") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 06:33 and sunset at 16:29. On the last day of December, sunrise is at 06:51 and sunset at 16:39 JST.

Sunshine

In December, the average sunshine in Zama is 6.2h.

UV index

In Zama, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What are the temperatures in Zama in December?
The average high-temperature, in December, in Zama, is 10.5°C (50.9°F), while the average low-temperature is 5°C (41°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 37°C (98.6°F).
What is the average humidity in December in Zama?
The average relative humidity in December in Zama, Japan, is 64%.
What is the driest month in Zama?
The months with the least rainfall in Zama, Japan, are February and December Rain falls for 10 days and accumulates 46mm (1.81") of rain.
How much does it rain in Zama in December?
In Zama, during December, the rain falls for 10 days and regularly aggregates up to 46mm (1.81") of precipitation.
How much does it snow in Zama in December?
In Zama, in December, during 0.4 snowfall days, 1mm (0.04") of snow is typically accumulated.
What is the month with the shortest days in Zama?
With an average of 9h and 48min of daylight, December has the shortest days of the year in Zama, Japan.
How many hours of daylight does Zama have in December?
In Zama, the average day length in December is 9h and 49min.
When are sunrise and sunset in December in Zama?
In December, on the first day of the month, sunrise is at 06:33 and sunset at 16:29. On the last day of the month, in Zama, Japan, sunrise is at 06:51 and sunset at 16:39 JST.
How long on average sun shines in December in Zama?
In Zama, Japan, the average sunshine duration in December is 6.2h.
How high is the UV index in December in Zama?
In December, the average daily maximum UV index in Zama is 3. A UV Index 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Zama, Japan
  • Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in December: 5°C

The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).

Average pressure in December
Zama, Japan
  • Average pressure in December: 1016.5mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Zama, Japan
  • Average wind speed in December: 11.7km/h

The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest month (with the lowest average wind speed) is November (11.3km/h).

Average humidity in December
Zama, Japan
  • Average humidity in December: 64%

The months with the highest relative humidity are June and July (77%).
The month with the lowest relative humidity is January (61%).

Average rainfall in December
Zama, Japan
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is October (138mm).
The driest months (with the least rainfall) are February and December (46mm).

Average rainfall days in December
Zama, Japan
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in December
Zama, Japan
  • Average snowfall in December: 1mm

The month with the highest snowfall is February (52mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Zama, Japan
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Zama, Japan
  • Average daylight in December: 9h and 5min

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: 6h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

Average sunshine days in December
Zama, Japan
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in December
Zama, Japan
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and February (UV index 2).

Average cloud cover in December
Zama, Japan
  • Average cloud cover in December: 31

The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 30).

Average visibility in December
Zama, Japan
  • Average visibility in December: 10km

The months with the highest visibility are January, February, August, November and December (10km).
The months with the lowest visibility are March, April, May, June, July, September and October (9km).

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