December weather forecast
Ahacha, Japan

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Weather in December

December, the first month of the winter in Ahacha, is also an agreeable month, with an average temperature ranging between min 18.7°C (65.7°F) and max 20.6°C (69.1°F).

Temperature

December signifies a gentle decline in Ahacha's average high-temperature, easing from a moderately hot 24°C (75.2°F) in November to an agreeable 20.6°C (69.1°F). Ahacha, in the month of December, notes an average low temperature of 18.7°C (65.7°F), indicating a small decrease from the daytime highs.

Humidity

The average relative humidity in December is 73%.

Rainfall

In Ahacha, in December, it is raining for 20.7 days, with typically 77mm (3.03") of accumulated precipitation. Throughout the year, there are 228 rainfall days, and 1405mm (55.31") of precipitation is accumulated.

Daylight

The month with the shortest days in Ahacha is December, with an average of 10h and 30min of daylight.
On the first day of the month, sunrise is at 06:59 and sunset at 17:36. On the last day of December, in Ahacha, Japan, sunrise is at 07:16 and sunset at 17:47 JST.

Sunshine

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

UV index

With an average maximum UV index of 4, December is the month with the lowest UV index in Ahacha. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 4 in December leads to these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What are the temperatures in Ahacha in December?

The average high-temperature and low-temperature during December are 20.6°C (69.1°F) and 18.7°C (65.7°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 34°C (93.2°F).

What is the average humidity in December in Ahacha?

The average relative humidity in December in Ahacha, Japan, is 73%.

How many days does it rain in December in Ahacha?

In Ahacha, Japan, during December, the rain falls for 20.7 days and regularly aggregates up to 77mm (3.03") of precipitation.

What is the month with the shortest days in Ahacha?

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

How many hours of daylight does Ahacha have in December?

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

When is the sunrise / sunset in December in Ahacha?

On the first day of December in Ahacha, 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 many hours of sunshine does Ahacha have in December?

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

When is the lowest UV index in Ahacha?

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

How high is the UV index in December in Ahacha?

In December, the average daily maximum UV index in Ahacha is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.

Average temperature in December
Ahacha, Japan

Average temperature in December - Ahacha, 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 (19°C).

  • Average low temperature in December: 18.7°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 (16.8°C).

Average pressure in December
Ahacha, Japan

Average pressure in December - Ahacha, 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
Ahacha, Japan

Average wind speed in December - Ahacha, Japan
  • Average wind speed in December: 27.9km/h

The windiest month (with the highest average wind speed) is December (27.9km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).

Average humidity in December
Ahacha, Japan

Average humidity in December - Ahacha, 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
Ahacha, Japan

Average rainfall in December - Ahacha, Japan
  • Average rainfall in December: 77mm

The wettest month (with the highest rainfall) is June (207mm).
The driest month (with the least rainfall) is February (58mm).

Average rainfall days in December
Ahacha, Japan

Average rainfall days in December - Ahacha, Japan
  • Average rainfall days in December: 20.7 days

The months with the highest number of rainy days are January and June (21.5 days).
The month with the least rainy days is April (16.4 days).

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

Average daylight in December / Average sunshine in December - Ahacha, 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
Ahacha, Japan

Average sunshine days in December - Ahacha, Japan
  • Average sunshine days in December: 6.4 days

The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is January (6 days).

Average UV index in December
Ahacha, Japan

Average UV index in December - Ahacha, 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
Ahacha, Japan

Average cloud cover in December - Ahacha, 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
Ahacha, Japan

Average visibility in December - Ahacha, 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).

Ahacha, Japan

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