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
Greenhorn witnesses the coldest weather in December, with temperatures averaging a high of 41.5°F (5.3°C) and a low of 23°F (-5°C).Humidity
The average relative humidity in December is 59%.Rainfall
In December, the rain falls for 4.4 days. Throughout December, 0.47" (12mm) of precipitation is accumulated. Throughout the year, in Greenhorn, there are 120.5 rainfall days, and 14.92" (379mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Greenhorn. In Greenhorn, in December, snow falls for 6.5 days, with typically accumulated 3.03" (77mm) of snow. In Greenhorn, during the entire year, snow falls for 33.9 days and aggregates up to 23.27" (591mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:50 pm MST.
Sunshine
In Greenhorn, the average sunshine in December is 7h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the coldest time of year in Greenhorn?
How cold is it in Greenhorn in December?
What is the average humidity in December in Greenhorn?
How many days does it rain in December in Greenhorn?
How many days does it snow in December in Greenhorn?
What is the month with the shortest days in Greenhorn?
How many hours of daylight does Greenhorn have in December?
What time are sunrise and sunset in December in Greenhorn?
How many hours of sunshine does Greenhorn have in December?
What is the month with the lowest UV index in Greenhorn?
What is the UV index reading in December in Greenhorn?
Average temperature in December
Greenhorn, CO
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in December
Greenhorn, CO
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in December
Greenhorn, CO
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Greenhorn, CO
- Average humidity in December: 59%
The month with the highest relative humidity is February (62%).
The month with the lowest relative humidity is June (38%).
Average rainfall in December
Greenhorn, CO
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in December
Greenhorn, CO
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.9 days).
Average snowfall in December
Greenhorn, CO
- Average snowfall in December: 3.03"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greenhorn, CO
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenhorn, CO
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in December
Greenhorn, CO
- Average sunshine days in December: 23 days
The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in December
Greenhorn, 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
Greenhorn, CO
- Average cloud cover in December: 20
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in December
Greenhorn, 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).
Greenhorn, Colorado, USA
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