December weather forecastDalian, China
December
Weather in December
The arrival of December brings with it the chill of winter in Dalian, China. The weather turns colder, signaling the close of the year. The drop in temperature is particularly stark, falling from 9.7°C (49.5°F) in November to 3.1°C (37.6°F) in December. Despite shorter days and lower temperatures, winter activities thrive, and the festive spirit fills the air. Snowfall adds a magical charm to the city's scenery, making it a winter wonderland.Temperature
The onset of December results in a decrease in the average high-temperature, receding from a chilly 9.7°C (49.5°F) in November to a wintry 3.1°C (37.6°F). December brings an average low-temperature of -3.5°C (25.7°F) to Dalian.Humidity
In Dalian, the average relative humidity in December is 58%.Rainfall
In Dalian, China, in December, during 3.4 rainfall days, 11mm (0.43") of precipitation is typically accumulated. In Dalian, during the entire year, the rain falls for 72.5 days and collects up to 602mm (23.7") of precipitation.Sea temperature
In Dalian, China, the average seawater temperature in December is 8.7°C (47.7°F).Note: It is advised against swimming in 8.7°C (47.7°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
The month with the shortest days in Dalian is December, with an average of 9h and 30min of daylight.On the first day of December in Dalian, sunrise is at 06:53 and sunset at 16:31. On the last day of the month, sunrise is at 07:11 and sunset at 16:41 CST.
Sunshine
The month with the least sunshine in Dalian, China, is December, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during December translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dalian, China
- Average high temperature in December: 3.1°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in December: -3.5°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (-6.8°C).
Average humidity in December
Dalian, China
- Average humidity in December: 58%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (55%).
Average rainfall in December
Dalian, China
- Average rainfall in December: 10.6mm
The wettest month (with the highest rainfall) is August (155.4mm).
The driest month (with the least rainfall) is February (5.8mm).
Average rainfall days in December
Dalian, China
- Average rainfall days in December: 3.4 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (2.9 days).
Average sea temperature in December
Dalian, China
- Average sea temperature in December: 8.7°C
The best month for swimming (with the highest average sea temperature) is August (23.6°C).
The coldest month (with the lowest average sea temperature) is February (2.8°C).
Average daylight in December /
Average sunshine in December
Dalian, China
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is May (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average UV index in December
Dalian, China
- Average UV index in December: 2
The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January, November and December (UV index 2).
