December weather forecastChenghai, China
December
Weather in December
Sea temperature
In Chenghai, China, in December, the average water temperature is 19.9°C (67.8°F).Note: For most individuals, swimming in 19.9°C (67.8°F) is not enjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing control becomes increasingly difficult.
Daylight
The month with the shortest days is December, with an average of 10h and 42min of daylight.On the first day of December, sunrise is at 06:38 and sunset at 17:25. On the last day of the month, sunrise is at 06:54 and sunset at 17:37 CST.
Updated: Jan 24, 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
In Chenghai, the average seawater temperature in December is 19.9°C (67.8°F). For most, swimming in 19.9°C (67.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
With an average of 10h and 42min of daylight, December has the shortest days of the year in Chenghai, China.
The average day length in December in Chenghai, China, is 10h and 43min.
In December, on the first day of the month, sunrise is at 06:38 and sunset at 17:25. On the last day of the month, in Chenghai, sunrise is at 06:54 and sunset at 17:37 CST.
Average sea temperature in December
Chenghai, China
- Average sea temperature in December: 19.9°C
The best month for swimming (with the highest average sea temperature) is July (28°C).
The coldest month (with the lowest average sea temperature) is January (17.9°C).
Average daylight in December
Chenghai, China
- Average daylight in December: 10h and 42min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
