December weather forecast
Guangzhou, China

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The urban setting of the District of Guangzhou in China with beautiful blue skies, and clear, calm waters
The urban setting of the District of Guangzhou in China with beautiful blue skies, and clear, calm waters

Weather in December

December in Guangzhou witnesses mild winter weather, as temperatures continue to decline reaching the year's coldest readouts, between 11.5°C (52.7°F) and 20.6°C (69.1°F). Rainfall continues to decline, reaching the year's lowest average of 32mm (1.26"). The shortest daylight hours grace the city, further amplifying the winter feel. Reduced humidity levels provide clear and dry days, perfect for outdoor strolls beneath the winter sun. The arrival of winter culminates in a year of diverse weather patterns, showcasing the city's vibrant climatic spectrum.

Temperature

December's onset introduces a mild reduction in the average high-temperature, from a moderately hot 24.5°C (76.1°F) in November to a pleasant 20.6°C (69.1°F). Guangzhou records an average temperature drop to a fresh 11.5°C (52.7°F) in December.

Humidity

November and December, with an average relative humidity of 66%, are the least humid months.

Rainfall

December is the month with the least rainfall. Rain falls for 4.9 days and accumulates 32mm (1.26") of precipitation.

Daylight

The month with the shortest days is December, with an average of 10h and 42min of daylight.
On the first day of the month, sunrise is at 06:51 and sunset at 17:40. On the last day of December, sunrise is at 07:07 and sunset at 17:52 CST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

The month with the lowest UV index in Guangzhou, China, is December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, an average UV index of 6 transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the average December temperature in Guangzhou?

During December, Guangzhou experiences an average high-temperature of 20.6°C (69.1°F) and a low-temperature of 11.5°C (52.7°F). In October, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 33°C (91.4°F).

What is the least humid month in Guangzhou?

November and December, with an average relative humidity of 66%, are the least humid months in Guangzhou.

What is the average humidity in December in Guangzhou?

The average relative humidity in December in Guangzhou, China, is 66%.

What is the driest month in Guangzhou?

December is the month with the least rainfall in Guangzhou, China. Rain falls for 4.9 days and accumulates 32mm (1.26") of precipitation.

How much does it rain in Guangzhou in December?

In Guangzhou, China, in December, it is raining for 4.9 days, with typically 32mm (1.26") of accumulated precipitation.

What is the month with the shortest days in Guangzhou?

December has the shortest days of the year in Guangzhou, China, with an average of 10h and 42min of daylight.

What is the average length of the day in December in Guangzhou?

In December, the average day length is 10h and 44min.

When are sunrise and sunset in December in Guangzhou?

On the first day of December in Guangzhou, China, sunrise is at 06:51 and sunset at 17:40. On the last day of the month, sunrise is at 07:07 and sunset at 17:52 CST.

How long on average sun shines in December in Guangzhou?

In Guangzhou, the average sunshine duration in December is 5.4h.

What is the month with the lowest UV index in Guangzhou?

The month with the lowest UV index in Guangzhou is December, with an average maximum UV index of 6.

What is the UV index reading in December in Guangzhou?

In December, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Guangzhou, China

Average temperature in December - Guangzhou, China
  • Average high temperature in December: 20.6°C

The warmest month (with the highest average high temperature) is July (32.8°C).
The month with the lowest average high temperature is January (18.3°C).

  • Average low temperature in December: 11.5°C

The month with the highest average low temperature is July (25.5°C).
The coldest month (with the lowest average low temperature) is January (10.3°C).

Average humidity in December
Guangzhou, China

Average humidity in December - Guangzhou, China
  • Average humidity in December: 66%

The months with the highest relative humidity are April, May and June (84%).
The months with the lowest relative humidity are November and December (66%).

Average rainfall in December
Guangzhou, China

Average rainfall in December - Guangzhou, China
  • Average rainfall in December: 31.6mm

The wettest month (with the highest rainfall) is May (283.7mm).
The driest month (with the least rainfall) is December (31.6mm).

Average rainfall days in December
Guangzhou, China

Average rainfall days in December - Guangzhou, China
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is December (4.9 days).

Average daylight in December /
Average sunshine in December
Guangzhou, China

Average daylight in December / Average sunshine in December - Guangzhou, China
  • Average daylight in December: 10h and 4min

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 42min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 6h and 30min).
The month with the least sunshine is March (Average sunshine: 2h and 0min).

Average UV index in December
Guangzhou, China

Average UV index in December - Guangzhou, China
  • 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).

Guangzhou, China

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