December weather forecastSín Chải, Vietnam

December

Weather in December

The first month of the winter, December, is also an agreeable month in Sín Chải, Vietnam, with an average temperature ranging between min 10°C (50°F) and max 20.3°C (68.5°F).

Temperature

As November makes way for December, Sín Chải's average high-temperature eases from a warm 23.5°C (74.3°F) to a pleasant 20.3°C (68.5°F). Throughout December, the nighttime temperature averages to a fresh 10°C (50°F).

Humidity

The average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 10.2 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 224.7 rainfall days, and 1436mm (56.54") of precipitation is accumulated.

Snowfall

In Sín Chải, snow does not fall in February through December.

Daylight

The month with the shortest days is December, with an average of 10h and 48min of daylight.
On the first day of the month, sunrise is at 06:29 and sunset at 17:20. On the last day of December, sunrise is at 06:45 and sunset at 17:31 +07.

Sunshine

In December, the average sunshine is 6.6h.

UV index

January 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 medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

In December, the average high-temperature and low-temperature are 20.3°C (68.5°F) and 10°C (50°F) respectively. In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 31°C (87.8°F).

The average relative humidity in December is 79%.

In Sín Chải, in December, during 10.2 rainfall days, 42mm (1.65") of precipitation is typically accumulated.

February through December are months without snowfall.

In Sín Chải, in December, it doesn't snow. In January, it regularly snows.

December has the shortest days of the year, with an average of 10h and 48min of daylight.

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

In December, on the first day of the month, sunrise is at 06:29 and sunset at 17:20. On the last day of the month, sunrise is at 06:45 and sunset at 17:31 +07.

The average sunshine duration in December is 6.6h.

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

In Sín Chải, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sín Chải, Vietnam

  • Average high temperature in December: 20.3°C

The warmest month (with the highest average high temperature) is May (29.5°C).
The month with the lowest average high temperature is January (19.8°C).

  • Average low temperature in December: 10°C

The month with the highest average low temperature is June (19.7°C).
The coldest month (with the lowest average low temperature) is January (9.6°C).

Average pressure in December
Sín Chải, Vietnam

  • Average pressure in December: 1018.2mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is June (1005.2mbar).

Average wind speed in December
Sín Chải, Vietnam

  • Average wind speed in December: 4km/h

The windiest month (with the highest average wind speed) is March (5km/h).
The calmest month (with the lowest average wind speed) is August (3.3km/h).

Average humidity in December
Sín Chải, Vietnam

  • Average humidity in December: 79%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (59%).

Average rainfall in December
Sín Chải, Vietnam

  • Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is August (265mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in December
Sín Chải, Vietnam

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is July (29.6 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in December
Sín Chải, Vietnam

  • Average snowfall in December: 0mm

The month with the highest snowfall is January (7mm).
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
Sín Chải, Vietnam

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Sín Chải, Vietnam

  • Average daylight in December: 10h and 48min

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: 6h and 36min

The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in December
Sín Chải, Vietnam

  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is February (17.8 days).
The month with the least sunshine days is August (0.7 days).

Average UV index in December
Sín Chải, Vietnam

  • Average UV index in December: 4

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

Average cloud cover in December
Sín Chải, Vietnam

  • Average cloud cover in December: 40

The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is March (Cloud cover 25).

Average visibility in December
Sín Chải, Vietnam

  • Average visibility in December: 8km

The month with the highest visibility is March (10km).
The months with the lowest visibility are October and November (7km).