December weather forecastIgnacio, CO
December
Weather in December
December, the first month of the winter in Ignacio, is also an icy month, with an average temperature fluctuating between 16.9°F (-8.4°C) and 34.3°F (1.3°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 46.6°F (8.1°C) to an icy 34.3°F (1.3°C). In Ignacio, an average nighttime temperature of 16.9°F (-8.4°C) is expected during December.Humidity
In Ignacio, the average relative humidity in December is 75%.Rainfall
In December, the rain falls for 6.2 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. In Ignacio, during the entire year, the rain falls for 114.6 days and collects up to 15.91" (404mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 10.4 days and typically aggregates up to 11.73" (298mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:06 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:03 pm MST.
Sunshine
The average sunshine in December is 6.5h.UV index
January through March, October through 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 low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ignacio, CO
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 16.9°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Ignacio, CO
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.91"Hg).
Average wind speed in December
Ignacio, CO
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Ignacio, CO
- Average humidity in December: 75%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (33%).
Average rainfall in December
Ignacio, CO
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is June (0.71").
Average rainfall days in December
Ignacio, CO
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (5 days).
Average snowfall in December
Ignacio, CO
- Average snowfall in December: 11.73"
The month with the highest snowfall is December (11.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ignacio, CO
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is February (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ignacio, CO
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in December
Ignacio, CO
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in December
Ignacio, CO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Ignacio, CO
- Average cloud cover in December: 29
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in December
Ignacio, 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 month with the lowest visibility is January (4mi).





