Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The start of December is characterized by a significant decrease in the average high-temperature, moving from a subzero cold -2.5°C (27.5°F) in November to an extremely cold -12.6°C (9.3°F). Boli's average low-temperature for the month of December records at an arctic cold -19.5°C (-3.1°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Boli, in December, during 1.5 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In Boli, China, during the entire year, the rain falls for 122.4 days and collects up to 495mm (19.49") of precipitation.Snowfall
January through May, September through December are months with snowfall. In Boli, during December, snow falls for 8.6 days and regularly aggregates up to 42mm (1.65") of snow. In Boli, during the entire year, snow falls for 50.9 days and aggregates up to 458mm (18.03") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December in Boli, sunrise is at 06:38 and sunset at 15:35. On the last day of the month, sunrise is at 06:58 and sunset at 15:42 CST.
Sunshine
The month with the least sunshine is December, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Boli have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Boli have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Boli, China
- Average high temperature in December: -12.6°C
The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (-14.1°C).
- Average low temperature in December: -19.5°C
The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is January (-22.4°C).
Average pressure in December
Boli, China
- Average pressure in December: 1022.2mbar
The month with the highest atmospheric pressure is January (1023.9mbar).
The month with the lowest atmospheric pressure is July (1005.1mbar).
Average wind speed in December
Boli, China
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is April (14.5km/h).
The calmest month (with the lowest average wind speed) is July (8.5km/h).
Average humidity in December
Boli, China
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (54%).
Average rainfall in December
Boli, China
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days in December
Boli, China
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is June (21.2 days).
The month with the least rainy days is January (0.8 days).
Average snowfall in December
Boli, China
- Average snowfall in December: 42mm
The month with the highest snowfall is November (122mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Boli, China
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is March (13.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Boli, China
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in December
Boli, China
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in December
Boli, China
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Boli, China
- Average cloud cover in December: 54
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Boli, China
- Average visibility in December: 8km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January and February (7km).
