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
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a chilly 46.2°F (7.9°C) to a wintry 34.7°F (1.5°C). In the month of December, Delta records a consistent average low-temperature of 18°F (-7.8°C).Humidity
The average relative humidity in December in Delta is 74%.Rainfall
In Delta, in December, it is raining for 8.5 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Delta, there are 120.8 rainfall days, and 14.06" (357mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Delta. December is the month with the most snowfall in Delta. Snow falls for 10.4 days and accumulates 5.87" (149mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December in Delta, sunrise is at 7:12 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:00 pm MST.
Sunshine
In December, the average sunshine in Delta is 6.5h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is December in Delta?
What is the average humidity in December in Delta?
How many days does it rain in December in Delta?
When does it snow the most in Delta?
How many days does it snow in December in Delta?
What is the month with the shortest days in Delta?
What is the average length of the day in December in Delta?
When is the sunrise / sunset in December in Delta?
How many hours of sunshine does Delta have in December?
When is the lowest UV index in Delta?
How high is the UV index in December in Delta?
Average temperature in December
Delta, CO
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Delta, CO
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed in December
Delta, CO
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).
Average humidity in December
Delta, CO
- Average humidity in December: 74%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (34%).
Average rainfall in December
Delta, CO
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is June (0.71").
Average rainfall days in December
Delta, CO
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is June (6.8 days).
Average snowfall in December
Delta, CO
- Average snowfall in December: 5.87"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Delta, CO
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Delta, CO
- 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: 6h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Delta, CO
- Average sunshine days in December: 16.2 days
The months with the most sunshine days are June and November (20.4 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in December
Delta, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Delta, CO
- Average cloud cover in December: 32
The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in December
Delta, CO
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Delta, Colorado, USA
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