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
During the coldest month, December, temperatures average a high of 37.8°F (3.2°C) and a low of 23°F (-5°C).Humidity
In December, the average relative humidity is 64%.Rainfall
In Westplains, during December, the rain falls for 4.6 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, in Westplains, there are 123.2 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Westplains, in December, snow falls for 6.4 days, with typically accumulated 1.38" (35mm) of snow. In Westplains, during the entire year, snow falls for 34.4 days and aggregates up to 12.13" (308mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:36 pm MST.
Sunshine
The average sunshine in December is 6.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Is it cold during December?
What is the average humidity in December in Westplains?
How much 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 Westplains have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Westplains have in December?
When is the lowest UV index?
How high is the UV index in December in Westplains?
Average temperature in December
Westplains, CO
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in December
Westplains, CO
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Westplains, CO
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity in December
Westplains, CO
- Average humidity in December: 64%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).
Average rainfall in December
Westplains, CO
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Westplains, CO
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Westplains, CO
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westplains, CO
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Westplains, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 3min
The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
Westplains, CO
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Westplains, CO
- Average UV index in December: 2
The months with the highest UV index are 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
Westplains, CO
- Average cloud cover in December: 29
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Westplains, CO
- 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).
Westplains, Colorado, USA
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