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
Weather in December
Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a cool 53.2°F (11.8°C) in November to an icy 41.9°F (5.5°C). During December, the nighttime temperature averages to a freezing cold 28°F (-2.2°C).Humidity
In West Line, the average relative humidity in December is 73%.Rainfall
In West Line, in December, during 5.8 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In West Line, during the entire year, the rain falls for 132.6 days and collects up to 27.13" (689mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In West Line, Missouri, during December, snow falls for 2.7 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, in West Line, there are 17.1 snowfall days, and 8.43" (214mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:17 am and sunset at 4:57 pm. On the last day of December, in West Line, sunrise is at 7:36 am and sunset at 5:07 pm CST.
Sunshine
The average sunshine in December in West Line is 5.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in West Line?
What is the average humidity in December in West Line?
How much does it rain in West Line in December?
How much does it snow in West Line in December?
What is the month with the shortest days in West Line?
How many hours of daylight does West Line have in December?
When is the sunrise / sunset in December in West Line?
How many hours of sunshine does West Line have in December?
What are the months with the lowest UV index in West Line?
What is the UV index reading in December in West Line?
Average temperature in December
West Line, MO
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
West Line, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
West Line, MO
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
West Line, MO
- Average humidity in December: 73%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in December
West Line, MO
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
West Line, MO
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
West Line, MO
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Line, MO
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Line, MO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
West Line, MO
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
West Line, MO
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
West Line, MO
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
West Line, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
West Line, Missouri, USA
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