December weather forecastChengmai, China
December
Weather in December
December, the first month of the winter in Chengmai, is also an agreeable month, with an average temperature varying between 22.1°C (71.8°F) and 18.9°C (66°F).Temperature
Chengmai's December weather features a light decline in high-temperatures, reducing from a warm 25.7°C (78.3°F) in November to a pleasant 22.1°C (71.8°F). Chengmai maintains a minor drop in temperature during December nights, with averages of 18.9°C (66°F).Humidity
The months with the lowest humidity are June, July, October and December, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 13.9 days. Throughout December, 20mm (0.79") of precipitation is accumulated. In Chengmai, during the entire year, the rain falls for 202.3 days and collects up to 810mm (31.89") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 06:58 and sunset at 17:59. On the last day of December, sunrise is at 07:14 and sunset at 18:11 CST.
Sunshine
January, November and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 in December translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chengmai, China
- Average high temperature in December: 22.1°C
The warmest month (with the highest average high temperature) is June (32.4°C).
The month with the lowest average high temperature is January (21.1°C).
- Average low temperature in December: 18.9°C
The months with the highest average low temperature are June and July (26.8°C).
The coldest month (with the lowest average low temperature) is January (17.6°C).
Average pressure in December
Chengmai, China
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is January (1018.5mbar).
The month with the lowest atmospheric pressure is July (1004.2mbar).
Average wind speed in December
Chengmai, China
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in December
Chengmai, China
- Average humidity in December: 78%
The months with the highest relative humidity are January, February and April (82%).
The months with the lowest relative humidity are June, July, October and December (78%).
Average rainfall in December
Chengmai, China
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is August (136mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in December
Chengmai, China
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is February (11.9 days).
Average daylight in December /
Average sunshine in December
Chengmai, China
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Chengmai, China
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is March (14.9 days).
The month with the least sunshine days is August (7.5 days).
Average UV index in December
Chengmai, China
- Average UV index in December: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in December
Chengmai, China
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are May and June (Cloud cover 32).
Average visibility in December
Chengmai, China
- Average visibility in December: 10km
The months with the highest visibility are May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March and April (9km).
