December weather forecast
Miyagusuku, Japan

December

Weather in December

The first month of the winter, December, is still a pleasant month in Miyagusuku, Japan, with an average temperature ranging between max 20.6°C (69.1°F) and min 18.7°C (65.7°F).

Temperature

With December's onset, the weather reveals a slight temperature decrease, transitioning from a warm 24°C (75.2°F) in November to an agreeable 20.6°C (69.1°F). Nighttime in Miyagusuku, during December, brings an average low of 18.7°C (65.7°F), a modest reduction from the day's peak.

Humidity

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

Rainfall

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

Daylight

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

Sunshine

In December, the average sunshine is 4.4h.

UV index

With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a regular UV index of 4 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's recommended to limit sun exposure when its radiation is at its peak during midday. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What are the temperatures in Miyagusuku in December?
During December, Miyagusuku experiences an average high-temperature of 20.6°C (69.1°F) and a low-temperature of 18.7°C (65.7°F). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 34°C (93.2°F).
What is the average humidity in December in Miyagusuku?
The average relative humidity in December in Miyagusuku is 73%.
How many days does it rain in December in Miyagusuku?
In December, in Miyagusuku, Japan, the rain falls for 20.7 days. Throughout December, 77mm (3.03") of precipitation is accumulated.
What is the month with the shortest days in Miyagusuku?
December has the shortest days of the year in Miyagusuku, Japan, with an average of 10h and 30min of daylight.
How many hours of daylight does Miyagusuku have in December?
In Miyagusuku, the average day length in December is 10h and 32min.
When are sunrise and sunset in December in Miyagusuku?
In December, on the first day of the month, sunrise is at 06:59 and sunset at 17:36. On the last day of the month, in Miyagusuku, Japan, sunrise is at 07:16 and sunset at 17:47 JST.
How long on average sun shines in December in Miyagusuku?
In Miyagusuku, the average sunshine duration in December is 4.4h.
What is the month with the lowest UV index in Miyagusuku?
December is the month with the lowest UV index in Miyagusuku, Japan, with an average maximum UV index of 4.
What is the UV index reading in December in Miyagusuku?
In December, the average daily maximum UV index in Miyagusuku is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Miyagusuku, Japan
Average temperature in December
Miyagusuku, 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 - Miyagusuku, Japan
Average pressure in December
Miyagusuku, 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 - Miyagusuku, Japan
Average wind speed in December
Miyagusuku, 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 - Miyagusuku, Japan
Average humidity in December
Miyagusuku, 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 - Miyagusuku, Japan
Average rainfall in December
Miyagusuku, 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 - Miyagusuku, Japan
Average rainfall days in December
Miyagusuku, 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 - Miyagusuku, Japan
Average daylight in December /
Average sunshine in December
Miyagusuku, 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 - Miyagusuku, Japan
Average sunshine days in December
Miyagusuku, 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 - Miyagusuku, Japan
Average UV index in December
Miyagusuku, 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 - Miyagusuku, Japan
Average cloud cover in December
Miyagusuku, 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 - Miyagusuku, Japan
Average visibility in December
Miyagusuku, 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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