December
Weather in December
Sea temperature
In December, the average sea temperature in Humenzhen, China, is 20.7°C (69.3°F).Note: In 20.7°C (69.3°F), swimming is not an enjoyable activity for most. As the temperature decreases from 21°C (69.8°F) to 15°C (59°F), it becomes harder to control breathing.
Daylight
The month with the shortest days is December, with an average of 10h and 48min of daylight.On the first day of December, sunrise is at 06:49 and sunset at 17:39. On the last day of the month, sunrise is at 07:05 and sunset at 17:51 CST.
Updated: Jul 28, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is the water in December?
In December, the average sea temperature is 20.7°C (69.3°F). Swimming in 20.7°C (69.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 48min of daylight.
How many hours of daylight does Humenzhen have in December?
In Humenzhen, the average day length in December is 10h and 46min.
When is the sunrise / sunset in December?
In December, on the first day of the month, sunrise is at 06:49 and sunset at 17:39. On the last day of the month, sunrise is at 07:05 and sunset at 17:51 CST.
Average sea temperature in December
Humenzhen, China
- Average sea temperature in December: 20.7°C
The best month for swimming (with the highest average sea temperature) is July (28.8°C).
The coldest month (with the lowest average sea temperature) is February (18.6°C).
Average daylight in December
Humenzhen, China
- Average daylight in December: 10h and 5min
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 48min).
