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 the coldest month in Littleton, with an average high-temperature of 41°F (5°C) and an average low-temperature of 21°F (-6.1°C).Humidity
The average relative humidity in December in Littleton is 60%.Rainfall
In December, in Littleton, Colorado, the rain falls for 4.4 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. In Littleton, during the entire year, the rain falls for 101.2 days and collects up to 11.89" (302mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Littleton. In December, in Littleton, it is snowing for 7 days. Throughout December, 4.06" (103mm) of snow is accumulated. In Littleton, during the entire year, snow falls for 42.7 days and aggregates up to 34.92" (887mm) 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 7:02 am and sunset at 4:36 pm. On the last day of December, in Littleton, sunrise is at 7:20 am and sunset at 4:46 pm MST.
Sunshine
In December, the average sunshine in Littleton 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Littleton?
How cold is December in Littleton?
What is the average humidity in December in Littleton?
How many days does it rain in December in Littleton?
How many days does it snow in December in Littleton?
What is the month with the shortest days in Littleton?
How many hours of daylight does Littleton have in December?
When is the sunrise / sunset in December in Littleton?
How long on average sun shines in December in Littleton?
What is the month with the lowest UV index in Littleton?
What is the UV index intensity in December in Littleton?
Average temperature in December
Littleton, CO
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in December
Littleton, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Littleton, CO
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in December
Littleton, CO
- Average humidity in December: 60%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in December
Littleton, CO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Littleton, CO
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Littleton, CO
- Average snowfall in December: 4.06"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Littleton, CO
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Littleton, 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: 7h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in December
Littleton, CO
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Littleton, 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
Littleton, CO
- Average cloud cover in December: 21
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in December
Littleton, 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).
Littleton, Colorado, USA
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