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
December is Amherst's coldest month, registering average high temperatures of 39.2°F (4°C) and lows of 23.2°F (-4.9°C).Humidity
In Amherst, the average relative humidity in December is 65%.Rainfall
In Amherst, during December, the rain falls for 4.2 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, in Amherst, there are 119.5 rainfall days, and 16.14" (410mm) of precipitation is accumulated.Snowfall
Months with snowfall in Amherst are January through May, October through December. In Amherst, in December, during 6.8 snowfall days, 2.13" (54mm) of snow is typically accumulated. Throughout the year, in Amherst, Colorado, there are 37.9 snowfall days, and 15.55" (395mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:53 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:31 pm MST.
Sunshine
February and December, with an average of 6.2h of sunshine, are months with the least sunshine in Amherst.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Amherst. A UV Index value 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:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What month is the coldest in Amherst?
Is December cold in Amherst?
What is the average humidity in December in Amherst?
How much does it rain in Amherst in December?
How much does it snow in Amherst in December?
What is the month with the shortest days in Amherst?
How many hours of daylight does Amherst have in December?
What time are sunrise and sunset in December in Amherst?
What are the months with the least sunshine in Amherst?
How long on average sun shines in December in Amherst?
When is the lowest UV index in Amherst?
What is the UV index reading in December in Amherst?
Average temperature in December
Amherst, CO
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.2°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in December
Amherst, CO
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Amherst, CO
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in December
Amherst, CO
- Average humidity in December: 65%
The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).
Average rainfall in December
Amherst, CO
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Amherst, CO
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).
Average snowfall in December
Amherst, CO
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Amherst, CO
- Average snowfall days in December: 6.8 days
The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Amherst, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Amherst, CO
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Amherst, CO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Amherst, CO
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Amherst, 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).
Amherst, Colorado, USA
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