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's onset brings a slight change in high-temperatures, falling from a chilly 46.2°F (7.9°C) in November to a wintry 33.8°F (1°C). In Romeo, the December nights cool down to an average low of 15.4°F (-9.2°C).Humidity
The average relative humidity in December in Romeo, Colorado, is 72%.Rainfall
November and December are months with the least rain in Romeo when the rain falls for 6.1 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 8.5 days. Throughout December, 3.19" (81mm) of snow is accumulated. In Romeo, during the entire year, snow falls for 44.9 days and aggregates up to 22.6" (574mm) of snow.Daylight
December has the shortest days of the year in Romeo, with an average of 9h and 42min of daylight.On the first day of December in Romeo, Colorado, sunrise is at 6:59 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:57 pm MST.
Sunshine
In December, the average sunshine is 7h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Romeo?
What is the average humidity in December in Romeo?
What is the driest month in Romeo?
How many days does it rain in December in Romeo?
How much does it snow in Romeo in December?
What is the month with the shortest days in Romeo?
What is the average length of the day in December in Romeo?
When are sunrise and sunset in December in Romeo?
How long on average sun shines in December in Romeo?
What are the months with the lowest UV index in Romeo?
How high is the UV index in December in Romeo?
Average temperature in December
Romeo, CO
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in December
Romeo, CO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Romeo, CO
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Romeo, CO
- Average humidity in December: 72%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).
Average rainfall in December
Romeo, CO
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").
Average rainfall days in December
Romeo, CO
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).
Average snowfall in December
Romeo, CO
- Average snowfall in December: 3.19"
The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Romeo, CO
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Romeo, 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: 7h and 0min
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 48min).
Average sunshine days in December
Romeo, CO
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).
Average UV index in December
Romeo, 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, October, November and December (UV index 2).
Average cloud cover in December
Romeo, CO
- Average cloud cover in December: 22
The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).
Average visibility in December
Romeo, 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).
Romeo, Colorado, USA
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