December weather forecast
Tonglu, China

December

Weather in December

The first month of the winter, December, is still a cool month in Tonglu, China, with temperature in the range of an average low of 2.8°C (37°F) and an average high of 10.2°C (50.4°F).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from an enjoyable 16.5°C (61.7°F) in November to a fresh 10.2°C (50.4°F). During December, Tonglu's temperature falls to a steady low-temperature average of 2.8°C (37°F).

Humidity

December is the least humid month, with an average relative humidity of 71%.

Rainfall

In Tonglu, China, during December, the rain falls for 9.3 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 192.9 rainfall days, and 937mm (36.89") of precipitation is accumulated.

Snowfall

Months with snowfall in Tonglu are January through April and December. December is the first month it typically snows in Tonglu. Throughout December, in the average 1 snowfall days, it receives 21mm (0.83") of snow. In Tonglu, during the entire year, snow falls for 7.7 days and aggregates up to 107mm (4.21") of snow.

Daylight

December has the shortest days of the year in Tonglu, China, with an average of 10h and 18min of daylight.
On the first day of December, sunrise is at 06:39 and sunset at 17:01. On the last day of the month, sunrise is at 06:56 and sunset at 17:12 CST.

Sunshine

In December, the average sunshine in Tonglu is 5.5h.

UV index

The months with the lowest UV index in Tonglu are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

What are December temperatures in Tonglu?
The average high-temperature and low-temperature in Tonglu during December are 10.2°C (50.4°F) and 2.8°C (37°F) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 44°C (111.2°F).
What is the least humid month in Tonglu?
With an average relative humidity of 71%, December is the least humid month.
What is the average humidity in December in Tonglu?
The average relative humidity in December in Tonglu is 71%.
How many days does it rain in December in Tonglu?
In Tonglu, during December, the rain falls for 9.3 days and regularly aggregates up to 36mm (1.42") of precipitation.
When does it start to snow in Tonglu?
December is the first month it typically snows in Tonglu. Throughout December, in the average 1 snowfall days, it receives 21mm (0.83") of snow.
What is the month with the shortest days in Tonglu?
The month with the shortest days is December, with an average of 10h and 18min of daylight.
How many hours of daylight does Tonglu have in December?
In Tonglu, the average day length in December is 10h and 16min.
When is the sunrise / sunset in December in Tonglu?
In December, on the first day of the month, sunrise is at 06:39 and sunset at 17:01. On the last day of the month, in Tonglu, sunrise is at 06:56 and sunset at 17:12 CST.
How many hours of sunshine does Tonglu have in December?
In Tonglu, China, the average sunshine duration in December is 5.5h.
What is the month with the lowest UV index in Tonglu?
The months with the lowest UV index in Tonglu, China, are January, February and December, with an average maximum UV index of 2.
How high is the UV index in December in Tonglu?
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Tonglu, China
Average temperature in December
Tonglu, China
  • Average high temperature in December: 10.2°C

The warmest months (with the highest average high temperature) are July and August (31.7°C).
The month with the lowest average high temperature is January (8.1°C).

  • Average low temperature in December: 2.8°C

The month with the highest average low temperature is July (23°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in December - Tonglu, China
Average pressure in December
Tonglu, China
  • Average pressure in December: 1026.5mbar

The month with the highest atmospheric pressure is January (1027mbar).
The month with the lowest atmospheric pressure is July (1005.1mbar).

Average wind speed in December - Tonglu, China
Average wind speed in December
Tonglu, China
  • Average wind speed in December: 6.6km/h

The windiest month (with the highest average wind speed) is March (7.4km/h).
The calmest month (with the lowest average wind speed) is June (5.8km/h).

Average humidity in December - Tonglu, China
Average humidity in December
Tonglu, China
  • Average humidity in December: 71%

The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is December (71%).

Average rainfall in December - Tonglu, China
Average rainfall in December
Tonglu, China
  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is July (174mm).
The driest month (with the least rainfall) is October (31mm).

Average rainfall days in December - Tonglu, China
Average rainfall days in December
Tonglu, China
  • Average rainfall days in December: 9.3 days

The months with the highest number of rainy days are July and August (23.8 days).
The month with the least rainy days is December (9.3 days).

Average snowfall in December - Tonglu, China
Average snowfall in December
Tonglu, China
  • Average snowfall in December: 21mm

The month with the highest snowfall is January (40mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in December - Tonglu, China
Average snowfall days in December
Tonglu, China
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

Average daylight in December / Average sunshine in December - Tonglu, China
Average daylight in December /
Average sunshine in December
Tonglu, China
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December - Tonglu, China
Average sunshine days in December
Tonglu, China
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is December (19.3 days).
The month with the least sunshine days is August (5.4 days).

Average UV index in December - Tonglu, China
Average UV index in December
Tonglu, China
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December - Tonglu, China
Average cloud cover in December
Tonglu, China
  • Average cloud cover in December: 36

The month with the most cloud cover is June (Cloud cover 58).
The month with the least cloud cover is December (Cloud cover 36).

Average visibility in December - Tonglu, China
Average visibility in December
Tonglu, China
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are June and September (7km).

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