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
San Acacio's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 43.3°F (6.3°C) to an icy 32.2°F (0.1°C). Throughout the month of December, San Acacio sees a steady low-temperature average of 11.8°F (-11.2°C).Humidity
In December, the average relative humidity in San Acacio, Colorado, is 75%.Rainfall
In San Acacio, in December, during 3.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In San Acacio, during the entire year, the rain falls for 72.2 days and collects up to 8.82" (224mm) of precipitation.Snowfall
Months with snowfall in San Acacio are January through June, September through December. In San Acacio, Colorado, in December, snow falls for 9.7 days, with typically accumulated 4.06" (103mm) of snow. Throughout the year, there are 57.6 snowfall days, and 28.58" (726mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:58 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:55 pm MST.
Sunshine
The average sunshine in December in San Acacio, Colorado, is 6.6h.UV index
The months with the lowest UV index in San Acacio are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in San Acacio in December?
What is the average humidity in December in San Acacio?
How many days does it rain in December in San Acacio?
How much does it snow in San Acacio in December?
What is the month with the shortest days in San Acacio?
How many hours of daylight does San Acacio have in December?
When are sunrise and sunset in December in San Acacio?
How many hours of sunshine does San Acacio have in December?
What is the month with the lowest UV index in San Acacio?
How high is the UV index in December in San Acacio?
Average temperature in December
San Acacio, CO
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 11.8°F
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in December
San Acacio, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in December
San Acacio, CO
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
San Acacio, 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 (38%).
Average rainfall in December
San Acacio, CO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in December
San Acacio, CO
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (1.3 days).
Average snowfall in December
San Acacio, CO
- Average snowfall in December: 4.06"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are July and August (0").
Average snowfall days in December
San Acacio, CO
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
San Acacio, CO
- Average daylight in December: 9h and 4min
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 4min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in December
San Acacio, CO
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is October (24.1 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
San Acacio, 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, March, October, November and December (UV index 2).
Average cloud cover in December
San Acacio, CO
- Average cloud cover in December: 28
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and October (Cloud cover 14).
Average visibility in December
San Acacio, CO
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
San Acacio, Colorado, USA
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