December weather forecast
Sun Moon Lake, Taiwan

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The striking Sun Moon Lake in Taiwan, with a dock bridge and ships docked, and a stunning distant view of the mountains
The striking Sun Moon Lake in Taiwan, with a dock bridge and ships docked, and a stunning distant view of the mountains

Weather in December

December at Sun Moon Lake marks the arrival of winter, with a marked drop in temperatures. Shortest daylight hours coupled with reduced sunshine are prevalent, even as the UV index reduces to its annual low. Despite the season, rainfall continues albeit at a much lower frequency. December follows the cold trend by offering a comfortable temperature drop, with a lower value of 11°C (51.8°F) when compared to the preceding month. The lower UV index at 6 is also typical for this month, providing relief to residents and visitors alike.

Temperature

During the shift to December, Sun Moon Lake records a mild decrease in average high-temperature, moving from an agreeable 22°C (71.6°F) in November to an enjoyable 19°C (66.2°F). December nights are marked by an average temperature drop to a fresh 11°C (51.8°F).

Rainfall

December is the month with the least rainfall. Rain falls for 16 days and accumulates 66mm (2.6") of precipitation.

Daylight

The month with the shortest days in Sun Moon Lake is December, with an average of 10h and 42min of daylight.
On the first day of the month, sunrise is at 06:22 and sunset at 17:08. On the last day of December, sunrise is at 06:38 and sunset at 17:20 CST.

Sunshine

The average sunshine in December is 4h.

UV index

With an average maximum UV index of 6, December is the month with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the UV index of 6 transforms into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

What is the temperature in December in Sun Moon Lake?

The average high-temperature and low-temperature during December are 19°C (66.2°F) and 11°C (51.8°F) respectively.

What is the driest month in Sun Moon Lake?

December is the month with the least rainfall. Rain falls for 16 days and accumulates 66mm (2.6") of precipitation.

How much does it rain in Sun Moon Lake in December?

In December, in Sun Moon Lake, Taiwan, the rain falls for 16 days. Throughout December, 66mm (2.6") of precipitation is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 42min of daylight.

What is the average length of the day in December?

In December, the average day length is 10h and 41min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 06:22 and sunset at 17:08. On the last day of the month, in Sun Moon Lake, Taiwan, sunrise is at 06:38 and sunset at 17:20 CST.

How long on average sun shines in December in Sun Moon Lake?

The average sunshine duration in December is 4h.

When is the lowest UV index?

With an average maximum UV index of 6, December is the month with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Sun Moon Lake, Taiwan

Average temperature in December - Sun Moon Lake, Taiwan
  • Average high temperature in December: 19°C

The warmest months (with the highest average high temperature) are July and August (28°C).
The month with the lowest average high temperature is January (17°C).

  • Average low temperature in December: 11°C

The months with the highest average low temperature are July and August (21°C).
The coldest months (with the lowest average low temperature) are January and February (10°C).

Average rainfall in December
Sun Moon Lake, Taiwan

Average rainfall in December - Sun Moon Lake, Taiwan
  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is August (329mm).
The driest month (with the least rainfall) is December (66mm).

Average rainfall days in December
Sun Moon Lake, Taiwan

Average rainfall days in December - Sun Moon Lake, Taiwan
  • Average rainfall days in December: 16 days

The months with the highest number of rainy days are May and June (20 days).
The month with the least rainy days is October (15 days).

Average daylight in December /
Average sunshine in December
Sun Moon Lake, Taiwan

Average daylight in December / Average sunshine in December - Sun Moon Lake, Taiwan
  • Average daylight in December: 10h and 4min

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

  • Average sunshine in December: 4h

The month with the most sunshine is July (Average sunshine: 8h).
The month with the least sunshine is February (Average sunshine: 3h).

Average UV index in December
Sun Moon Lake, Taiwan

Average UV index in December - Sun Moon Lake, Taiwan
  • Average UV index in December: 6

The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

Sun Moon Lake, Taiwan

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