December weather forecastAmesoko, Japan

December

Weather in December

December, the first month of the winter in Amesoko, is still a pleasant month, with an average temperature fluctuating between 20.2°C (68.4°F) and 18.3°C (64.9°F).

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from a warm 23.6°C (74.5°F) in November to an agreeable 20.2°C (68.4°F). Amesoko records a mild decrease in temperature during the nights of December, averaging an enjoyable 18.3°C (64.9°F).

Humidity

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

Rainfall

In Amesoko, during December, the rain falls for 20.4 days and regularly aggregates up to 78mm (3.07") of precipitation. In Amesoko, during the entire year, the rain falls for 229.8 days and collects up to 1512mm (59.53") of precipitation.

Daylight

With an average of 10h and 30min of daylight, December has the shortest days of the year in Amesoko.
On the first day of the month, sunrise is at 06:59 and sunset at 17:34. On the last day of December, sunrise is at 07:16 and sunset at 17:45 JST.

Sunshine

In December, the average sunshine in Amesoko is 4.2h.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in December transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

The high-temperature, in December, in Amesoko, is 20.2°C (68.4°F), while the low-temperature averages to 18.3°C (64.9°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is evaluated at 34°C (93.2°F).

In December, the average relative humidity is 73%.

In Amesoko, Japan, during December, the rain falls for 20.4 days and regularly aggregates up to 78mm (3.07") of precipitation.

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

The average day length in December in Amesoko is 10h and 30min.

In December, on the first day of the month, sunrise is at 06:59 and sunset at 17:34. On the last day of the month, in Amesoko, Japan, sunrise is at 07:16 and sunset at 17:45 JST.

In Amesoko, the average sunshine duration in December is 4.2h.

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Amesoko, Japan.

In Amesoko, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
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
Amesoko, Japan

  • Average high temperature in December: 20.2°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 (18.6°C).

  • Average low temperature in December: 18.3°C

The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

Average pressure in December
Amesoko, Japan

  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).

Average wind speed in December
Amesoko, Japan

  • Average wind speed in December: 25.7km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).

Average humidity in December
Amesoko, Japan

  • Average humidity in December: 73%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in December
Amesoko, Japan

  • Average rainfall in December: 78mm

The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).

Average rainfall days in December
Amesoko, Japan

  • Average rainfall days in December: 20.4 days

The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).

Average daylight in December /
Average sunshine in December
Amesoko, 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 12min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Amesoko, Japan

  • Average sunshine days in December: 7.1 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).

Average UV index in December
Amesoko, Japan

  • Average UV index in December: 4

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

Average cloud cover in December
Amesoko, Japan

  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December
Amesoko, Japan

  • Average visibility in December: 10km

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