December weather forecast
Ước Ngoại, Vietnam

December

Weather in December

December, the first month of the winter in Ước Ngoại, is also an agreeable month, with an average temperature ranging between min 16.6°C (61.9°F) and max 21.9°C (71.4°F).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from a moderately hot 25.9°C (78.6°F) in November to a pleasant 21.9°C (71.4°F). During the month of December, Ước Ngoại experiences a steady low-temperature average of 16.6°C (61.9°F).

Humidity

In Ước Ngoại, the average relative humidity in December is 75%.

Rainfall

In Ước Ngoại, in December, during 14.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Ước Ngoại, during the entire year, the rain falls for 219.4 days and collects up to 918mm (36.14") of precipitation.

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:15 and sunset at 17:16. On the last day of the month, sunrise is at 06:31 and sunset at 17:28 +07.

Sunshine

The average sunshine in December is 4.5h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 4 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the average December temperature?
The high-temperature during December is 21.9°C (71.4°F) and the low-temperature is 16.6°C (61.9°F). In October, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 33°C (91.4°F).
What is the average humidity in December?
In Ước Ngoại, the average relative humidity in December is 75%.
How many days does it rain in December in Ước Ngoại?
In Ước Ngoại, Vietnam, in December, during 14.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated.
What is the month with the shortest days?
With an average of 11h and 0min of daylight, December has the shortest days of the year.
How many hours of daylight does Ước Ngoại have in December?
In Ước Ngoại, the average day length in December is 10h and 58min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 06:15 and sunset at 17:16. On the last day of the month, sunrise is at 06:31 and sunset at 17:28 +07.
How many hours of sunshine does Ước Ngoại have in December?
In Ước Ngoại, the average sunshine duration in December is 4.5h.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 4.
How high is the UV index in December in Ước Ngoại?
In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Ước Ngoại, Vietnam
  • Average high temperature in December: 21.9°C

The warmest month (with the highest average high temperature) is June (34.3°C).
The month with the lowest average high temperature is January (20.7°C).

  • Average low temperature in December: 16.6°C

The month with the highest average low temperature is June (27.3°C).
The coldest month (with the lowest average low temperature) is January (15.9°C).

Average pressure in December
Ước Ngoại, Vietnam
  • Average pressure in December: 1018.5mbar

The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is June (1003.3mbar).

Average wind speed in December
Ước Ngoại, Vietnam
  • Average wind speed in December: 11.6km/h

The windiest month (with the highest average wind speed) is June (11.8km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in December
Ước Ngoại, Vietnam
  • Average humidity in December: 75%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is June (71%).

Average rainfall in December
Ước Ngoại, Vietnam
  • Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is August (184mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days in December
Ước Ngoại, Vietnam
  • Average rainfall days in December: 14.7 days

The month with the highest number of rainy days is August (25.6 days).
The month with the least rainy days is February (12.7 days).

Average daylight in December /
Average sunshine in December
Ước Ngoại, Vietnam
  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Ước Ngoại, Vietnam
  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is August (3.9 days).

Average UV index in December
Ước Ngoại, Vietnam
  • Average UV index in December: 4

The months with the highest UV index are April, May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in December
Ước Ngoại, Vietnam
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 32).

Average visibility in December
Ước Ngoại, Vietnam
  • Average visibility in December: 9km

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

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