December weather forecast
Cao Bang, Vietnam

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Weather in December

The arrival of December in Cao Bang marks the full onset of winter. December weather shows stark differences from November, with the city witnessing cooler temperatures and a significant hint of winter chill. This is also the month with the longest sunshine days, 14.8, indicating clear skies most of the time. Though the rainfall is negligible in December, the relative humidity of 78% makes the weather slightly moist. The declining temperature and daylight hours signal the cold and shorter winter days, painting a picturesque landscape as the year draws to a close in Cao Bang.

Temperature

December ushers in a minute temperature change, with average high-temperatures reducing from November's agreeable 22.5°C (72.5°F) to a comfortable 17.7°C (63.9°F). Cao Bang experiences an average nighttime temperature of 9.4°C (48.9°F) in the month of December.

Humidity

The average relative humidity in December in Cao Bang is 78%.

Rainfall

In Cao Bang, in December, during 13.3 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Cao Bang, during the entire year, the rain falls for 233.9 days and collects up to 1056mm (41.57") of precipitation.

Snowfall

In Cao Bang, snow does not fall in February through December.

Daylight

December has the shortest days of the year, with an average of 10h and 48min of daylight.
On the first day of December, sunrise is at 06:18 and sunset at 17:09. On the last day of the month, sunrise is at 06:34 and sunset at 17:21 +07.

Sunshine

The average sunshine in December is 4.9h.

UV index

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 4 transforms into these recommendations:
Be vigilant - Preventing sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What is the usual temperature for Cao Bang in December?

The high-temperature, in December, in Cao Bang, is 17.7°C (63.9°F), while the low-temperature averages to 9.4°C (48.9°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is calculated to be 35°C (95°F).

What is the average humidity in December?

In Cao Bang, the average relative humidity in December is 78%.

How many days does it rain in December?

In Cao Bang, during December, the rain falls for 13.3 days and regularly aggregates up to 32mm (1.26") of precipitation.

When it does not snow?

February through December are months without snowfall in Cao Bang.

Does it snow in December?

In Cao Bang, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 48min of daylight.

What is the average length of the day in December?

In December, the average day length is 10h and 47min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 06:18 and sunset at 17:09. On the last day of the month, sunrise is at 06:34 and sunset at 17:21 +07.

How long on average sun shines in December?

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 4.

What is the UV index reading in December?

In December, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cao Bang, Vietnam

Average temperature in December - Cao Bang, Vietnam
  • Average high temperature in December: 17.7°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (16.1°C).

  • Average low temperature in December: 9.4°C

The month with the highest average low temperature is June (22°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).

Average pressure in December
Cao Bang, Vietnam

Average pressure in December - Cao Bang, Vietnam
  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is June (1003.4mbar).

Average wind speed in December
Cao Bang, Vietnam

Average wind speed in December - Cao Bang, Vietnam
  • Average wind speed in December: 5.1km/h

The windiest month (with the highest average wind speed) is March (6.3km/h).
The calmest month (with the lowest average wind speed) is August (4.6km/h).

Average humidity in December
Cao Bang, Vietnam

Average humidity in December - Cao Bang, Vietnam
  • Average humidity in December: 78%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (75%).

Average rainfall in December
Cao Bang, Vietnam

Average rainfall in December - Cao Bang, Vietnam
  • Average rainfall in December: 32mm

The wettest month (with the highest rainfall) is August (212mm).
The driest month (with the least rainfall) is February (20mm).

Average rainfall days in December
Cao Bang, Vietnam

Average rainfall days in December - Cao Bang, Vietnam
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is July (27.8 days).
The month with the least rainy days is February (12.7 days).

Average snowfall in December
Cao Bang, Vietnam

Average snowfall in December - Cao Bang, Vietnam
  • Average snowfall in December: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Cao Bang, Vietnam

Average snowfall days in December - Cao Bang, Vietnam
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Cao Bang, Vietnam

Average daylight in December / Average sunshine in December - Cao Bang, Vietnam
  • Average daylight in December: 10h and 5min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Cao Bang, Vietnam

Average sunshine days in December - Cao Bang, Vietnam
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is December (14.8 days).
The month with the least sunshine days is July (1.9 days).

Average UV index in December
Cao Bang, Vietnam

Average UV index in December - Cao Bang, Vietnam
  • Average UV index in December: 4

The months with the highest UV index are April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).

Average cloud cover in December
Cao Bang, Vietnam

Average cloud cover in December - Cao Bang, Vietnam
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is October (Cloud cover 51).

Average visibility in December
Cao Bang, Vietnam

Average visibility in December - Cao Bang, Vietnam
  • Average visibility in December: 8km

The months with the highest visibility are February, March, April, October and December (8km).
The months with the lowest visibility are January, May, June, July, August, September and November (7km).

Cao Bang, Vietnam

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