December weather forecastBeihai, China
December
Weather in December
December in Beihai encapsulates the winter vibe with lower temperatures, less rainfall, and fewer daylight hours. The wind speed reaches its annual peak with an average of 20.9km/h (13mph). As the year concludes, the weather draws a contrast to that of January, offering cooler days and crisp evenings. The glittering lights of festive celebrations further enhance the city's appeal during this season. Despite the decreasing temperature, the uninterrupted visibility allows people to witness Beihai's winter in all its glory.Temperature
Beihai, China, observes a small decrease in the average high-temperature with the arrival of December, falling from November's moderately hot 24.4°C (75.9°F) to a pleasant 20.2°C (68.4°F). Beihai's December nights exhibit a subtle drop in temperature, averaging at a mild 15.8°C (60.4°F), closely aligned with the daytime highs.Humidity
December is the least humid month in Beihai, with an average relative humidity of 70%.Rainfall
In December, in Beihai, the rain falls for 10.5 days. Throughout December, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Beihai, there are 201.9 rainfall days, and 1262mm (49.69") of precipitation is accumulated.Sea temperature
In Beihai, the average seawater temperature in December is 20.7°C (69.3°F).Note: Most people find swimming in 20.7°C (69.3°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.
Daylight
The month with the shortest days is December, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 07:04 and sunset at 18:00. On the last day of December, sunrise is at 07:21 and sunset at 18:12 CST.
Sunshine
The average sunshine in December in Beihai is 6.3h.UV index
December is the month with the lowest UV index in Beihai, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during December translates into the following guidance:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Beihai, China
- Average high temperature in December: 20.2°C
The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (18.4°C).
- Average low temperature in December: 15.8°C
The month with the highest average low temperature is July (28.1°C).
The coldest month (with the lowest average low temperature) is January (14.7°C).
Average pressure in December
Beihai, China
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The months with the lowest atmospheric pressure are June and July (1003.9mbar).
Average wind speed in December
Beihai, China
- Average wind speed in December: 20.9km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is May (14.3km/h).
Average humidity in December
Beihai, China
- Average humidity in December: 70%
The month with the highest relative humidity is April (82%).
The month with the lowest relative humidity is December (70%).
Average rainfall in December
Beihai, China
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is August (283mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in December
Beihai, China
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (27 days).
The month with the least rainy days is February (9.2 days).
Average sea temperature in December
Beihai, China
- Average sea temperature in December: 20.7°C
The best month for swimming (with the highest average sea temperature) is July (30.4°C).
The coldest month (with the lowest average sea temperature) is February (17.8°C).
Average daylight in December /
Average sunshine in December
Beihai, China
- Average daylight in December: 10h and 54min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is September (Average sunshine: 8h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Beihai, China
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is July (2.8 days).
Average UV index in December
Beihai, China
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Beihai, China
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in December
Beihai, China
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).








