December weather forecast
Hangzhou, China

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Weather in December

In December, Hangzhou plunges into the heart of the frigid winter season. Temperatures oscillate from 3.7°C (38.7°F) to 11.3°C (52.3°F), relatively colder while the recorded rainfall sits at 49mm (1.93"), marking it as the driest month. A thick layer of frost often covers the city under winter’s icy spell. Light-proof layers become necessitous as the city gears for the festive end-of-year celebrations amidst the silver-themed winter escape.

Temperature

Hangzhou's transition into December involves a shift in temperature, receding from an enjoyable 17.3°C (63.1°F) in November to a cool 11.3°C (52.3°F). An average low-temperature of 3.7°C (38.7°F) is noted during the nights in December in Hangzhou.

Humidity

December is the least humid month, with an average relative humidity of 73%.

Rainfall

December is the month with the least rainfall in Hangzhou. Rain falls for 8.5 days and accumulates 49mm (1.93") of precipitation.

Sea temperature

In Hangzhou, in December, the average water temperature is 13.5°C (56.3°F).
Note: Swimming in 13.5°C (56.3°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year in Hangzhou.
On the first day of December, sunrise is at 06:38 and sunset at 16:58. On the last day of the month, sunrise is at 06:55 and sunset at 17:09 CST.

Sunshine

In December, the average sunshine in Hangzhou is 4.2h.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 4 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the temperature in December in Hangzhou?

An average high-temperature, in December, in Hangzhou, is 11.3°C (52.3°F) and the average low-temperature is 3.7°C (38.7°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 32°C (89.6°F).

What is the least humid month in Hangzhou?

With an average relative humidity of 73%, December is the least humid month in Hangzhou, China.

What is the average humidity in December in Hangzhou?

The average relative humidity in December in Hangzhou is 73%.

What is the driest month in Hangzhou?

The month with the least rainfall in Hangzhou, China, is December, when the rain falls for 8.5 days and typically collects 49mm (1.93") of precipitation.

How many days does it rain in December in Hangzhou?

In Hangzhou, in December, it is raining for 8.5 days, with typically 49mm (1.93") of accumulated precipitation.

What is the sea water temperature in December in Hangzhou?

In December, the average sea temperature is 13.5°C (56.3°F). Swimming in 13.5°C (56.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Hangzhou?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Hangzhou, China.

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

The average day length in December is 10h and 14min.

What time are sunrise and sunset in December in Hangzhou?

In December, on the first day of the month, sunrise is at 06:38 and sunset at 16:58. On the last day of the month, in Hangzhou, sunrise is at 06:55 and sunset at 17:09 CST.

How long on average sun shines in December in Hangzhou?

In December, the average sunshine duration in Hangzhou is 4.2h.

What are the months with the lowest UV index in Hangzhou?

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

What is the UV index intensity in December in Hangzhou?

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Hangzhou, China

Average temperature in December - Hangzhou, China
  • Average high temperature in December: 11.3°C

The warmest month (with the highest average high temperature) is July (33.6°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in December: 3.7°C

The month with the highest average low temperature is July (25.2°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

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Average humidity in December
Hangzhou, China

Average humidity in December - Hangzhou, China
  • Average humidity in December: 73%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is December (73%).

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Average rainfall in December
Hangzhou, China

Average rainfall in December - Hangzhou, China
  • Average rainfall in December: 48.9mm

The wettest month (with the highest rainfall) is June (219.4mm).
The driest month (with the least rainfall) is December (48.9mm).

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Average rainfall days in December
Hangzhou, China

Average rainfall days in December - Hangzhou, China
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is December (8.5 days).

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Average sea temperature in December
Hangzhou, China

Average sea temperature in December - Hangzhou, China
  • Average sea temperature in December: 13.5°C

The best month for swimming (with the highest average sea temperature) is August (26.9°C).
The coldest month (with the lowest average sea temperature) is February (8.8°C).

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

Average daylight in December / Average sunshine in December - Hangzhou, China
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 6h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average UV index in December
Hangzhou, China

Average UV index in December - Hangzhou, China
  • Average UV index in December: 4

The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 4).

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Hangzhou, China

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