December weather forecast
Ameku, Japan

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Weather in December

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

Temperature

The start of December signals a gentle decrease in the average high-temperature, transitioning from a warm 23.9°C (75°F) in November to an agreeable 20.6°C (69.1°F). A mean low-temperature of 18.8°C (65.8°F) is anticipated during the month of December in Ameku, a slight step down from the daytime high.

Humidity

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

Rainfall

In Ameku, during December, the rain falls for 21.2 days and regularly aggregates up to 81mm (3.19") of precipitation. In Ameku, during the entire year, the rain falls for 227.4 days and collects up to 1405mm (55.31") of precipitation.

Daylight

The month with the shortest days in Ameku is December, with an average of 10h and 30min of daylight.
On the first day of December in Ameku, 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 17:48 JST.

Sunshine

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

UV index

With an average maximum UV index of 4, December is the month with the lowest UV index in Ameku, Japan. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 4 in December suggests the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the temperature in December in Ameku?

The high-temperature, in December, in Ameku, is 20.6°C (69.1°F), while the low-temperature averages to 18.8°C (65.8°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is computed to be 33°C (91.4°F).

What is the average humidity in December in Ameku?

The average relative humidity in December is 73%.

How many days does it rain in December in Ameku?

In December, in Ameku, Japan, the rain falls for 21.2 days. Throughout December, 81mm (3.19") of precipitation is accumulated.

What is the month with the shortest days in Ameku?

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

How many hours of daylight does Ameku have in December?

The average day length in December in Ameku, Japan, is 10h and 32min.

When are sunrise and sunset in December in Ameku?

On the first day of December in Ameku, 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 17:48 JST.

How long on average sun shines in December in Ameku?

The average sunshine duration in December in Ameku is 4.4h.

When is the lowest UV index in Ameku?

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

What is the UV index reading in December in Ameku?

In Ameku, Japan, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Ameku, Japan

Average temperature in December - Ameku, 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).

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Average pressure in December
Ameku, Japan

Average pressure in December - Ameku, 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).

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Average wind speed in December
Ameku, Japan

Average wind speed in December - Ameku, 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).

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Average humidity in December
Ameku, Japan

Average humidity in December - Ameku, 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%).

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Average rainfall in December
Ameku, Japan

Average rainfall in December - Ameku, 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).

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Average rainfall days in December
Ameku, Japan

Average rainfall days in December - Ameku, 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).

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

Average daylight in December / Average sunshine in December - Ameku, 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).

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Average sunshine days in December
Ameku, Japan

Average sunshine days in December - Ameku, 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).

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Average UV index in December
Ameku, Japan

Average UV index in December - Ameku, 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).

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Average cloud cover in December
Ameku, Japan

Average cloud cover in December - Ameku, 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).

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Average visibility in December
Ameku, Japan

Average visibility in December - Ameku, 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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Ameku, Japan

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