December weather forecastYuanshan, Taiwan

December

Weather in December

The first month of the winter, December, is also an enjoyable month in Yuanshan, Taiwan, with an average temperature varying between 18.4°C (65.1°F) and 14.5°C (58.1°F).

Temperature

The shift from November to December coincides with a small decrease in the average high-temperature, down to a comfortable 18.4°C (65.1°F) from an agreeable 22.7°C (72.9°F). In December, Yuanshan's nights cool slightly to a consistent average temperature of 14.5°C (58.1°F).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Yuanshan, Taiwan, during December, the rain falls for 19.5 days and regularly aggregates up to 66mm (2.6") of precipitation. In Yuanshan, during the entire year, the rain falls for 200.7 days and collects up to 868mm (34.17") of precipitation.

Snowfall

In Yuanshan, Taiwan, snow does not fall in February through December.

Daylight

With an average of 10h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:22 and sunset at 17:03. On the last day of the month, sunrise is at 06:38 and sunset at 17:15 CST.

Sunshine

January and December, with an average of 3.4h of sunshine, are months with the least sunshine in Yuanshan, Taiwan.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Yuanshan during December are 18.4°C (65.1°F) and 14.5°C (58.1°F) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 36°C (96.8°F).

The average relative humidity in December is 81%.

In Yuanshan, during December, the rain falls for 19.5 days and regularly aggregates up to 66mm (2.6") of precipitation.

February through December are months without snowfall.

In Yuanshan, Taiwan, in December, it doesn't snow. In January, it regularly snows.

With an average of 10h and 36min of daylight, December has the shortest days of the year.

In December, the average day length is 10h and 37min.

On the first day of December, sunrise is at 06:22 and sunset at 17:03. On the last day of the month, sunrise is at 06:38 and sunset at 17:15 CST.

January and December, with an average of 3.4h of sunshine, are months with the least sunshine.

In December, the average sunshine duration is 3.4h.

The month with the lowest UV index in Yuanshan is December, with an average maximum UV index of 3.

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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 snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Yuanshan, Taiwan

  • Average high temperature in December: 18.4°C

The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is January (17°C).

  • Average low temperature in December: 14.5°C

The month with the highest average low temperature is July (27.1°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).

Average pressure in December
Yuanshan, Taiwan

  • Average pressure in December: 1020.7mbar

The month with the highest atmospheric pressure is January (1021.6mbar).
The month with the lowest atmospheric pressure is August (1005.3mbar).

Average wind speed in December
Yuanshan, Taiwan

  • Average wind speed in December: 19.5km/h

The windiest months (with the highest average wind speed) are October and December (19.5km/h).
The calmest month (with the lowest average wind speed) is June (10.2km/h).

Average humidity in December
Yuanshan, Taiwan

  • Average humidity in December: 81%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (63%).

Average rainfall in December
Yuanshan, Taiwan

  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is August (130mm).
The driest month (with the least rainfall) is February (34mm).

Average rainfall days in December
Yuanshan, Taiwan

  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is September (13.5 days).

Average snowfall days in December
Yuanshan, Taiwan

  • 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
Yuanshan, Taiwan

  • Average daylight in December: 10h and 36min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in December: 3h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).

Average sunshine days in December
Yuanshan, Taiwan

  • Average sunshine days in December: 9.4 days

The month with the most sunshine days is July (15 days).
The month with the least sunshine days is October (8.5 days).

Average UV index in December
Yuanshan, Taiwan

  • Average UV index in December: 3

The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Yuanshan, Taiwan

  • Average cloud cover in December: 64

The months with the most cloud cover are January and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
Yuanshan, Taiwan

  • Average visibility in December: 9km

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