December weather forecastLa Salle, CO
December
Weather in December
The first month of the winter, December, is still a cold month in La Salle, Colorado, with an average temperature varying between 38.8°F (3.8°C) and 20.7°F (-6.3°C).Temperature
La Salle reaches its lowest average temperatures in December, measuring 38.8°F (3.8°C) at the peak and 20.7°F (-6.3°C) at the lowest.Humidity
The average relative humidity in December in La Salle is 63%.Rainfall
In La Salle, in December, during 2.2 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, in La Salle, there are 104.9 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in La Salle. In La Salle, Colorado, in December, snow falls for 5.5 days, with typically accumulated 1.73" (44mm) of snow. In La Salle, during the entire year, snow falls for 36.4 days and aggregates up to 21.38" (543mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December in La Salle, sunrise is at 7:03 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:42 pm MST.
Sunshine
In December, the average sunshine is 6.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in La Salle. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Salle, CO
- Average high temperature in December: 38.8°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 (38.8°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
La Salle, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
La Salle, CO
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).
Average humidity in December
La Salle, CO
- Average humidity in December: 63%
The month with the highest relative humidity is January (64%).
The months with the lowest relative humidity are August and September (43%).
Average rainfall in December
La Salle, CO
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
La Salle, CO
- Average rainfall days in December: 2.2 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in December
La Salle, CO
- Average snowfall in December: 1.73"
The month with the highest snowfall is April (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
La Salle, CO
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
La Salle, CO
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 6h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
La Salle, CO
- Average sunshine days in December: 25.1 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
La Salle, 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
La Salle, CO
- Average cloud cover in December: 26
The months with the most cloud cover are February and April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in December
La Salle, 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).
