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, with an average high of 40.6°F (4.8°C) and a low of 23.9°F (-4.5°C), signifies the coldest month of the year.Humidity
January, February and December, with an average relative humidity of 63%, are the most humid months.Rainfall
January, February and December are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 0.28" (7mm) of rain.Snowfall
Months with snowfall are January through May, September through December. In Idalia, during December, snow falls for 3.3 days and regularly aggregates up to 1.3" (33mm) of snow. In Idalia, during the entire year, snow falls for 22.8 days and aggregates up to 10.08" (256mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:51 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:35 pm MST.
Sunshine
The average sunshine in December is 6.4h.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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Idalia have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Idalia, CO
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is December (40.6°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in December
Idalia, 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 (29.81"Hg).
Average wind speed in December
Idalia, CO
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in December
Idalia, CO
- Average humidity in December: 63%
The months with the highest relative humidity are January, February and December (63%).
The months with the lowest relative humidity are July and September (49%).
Average rainfall in December
Idalia, CO
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January, February and December (0.28").
Average rainfall days in December
Idalia, CO
- Average rainfall days in December: 1.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (1.8 days).
Average snowfall in December
Idalia, CO
- Average snowfall in December: 1.3"
The month with the highest snowfall is October (1.93").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Idalia, CO
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Idalia, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Idalia, CO
- Average sunshine days in December: 26 days
The month with the most sunshine days is December (26 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Idalia, CO
- Average UV index in December: 2
The months with the highest UV index are June and 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
Idalia, CO
- Average cloud cover in December: 30
The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Idalia, 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).
Idalia, Colorado, USA
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