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
The lowest temperatures are recorded in December, with averages reaching a high of 39.9°F (4.4°C) and a low of 20.7°F (-6.3°C).Humidity
In Platteville, the average relative humidity in December is 63%.Rainfall
January and December are months with the least rain in Platteville when the rain falls for 3.1 days and typically aggregates up to 0.12" (3mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Platteville, in December, during 4.5 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Platteville, during the entire year, snow falls for 29.6 days and aggregates up to 10.2" (259mm) of snow.Daylight
The month with the shortest days in Platteville is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:33 pm. On the last day of December, in Platteville, sunrise is at 7:21 am and sunset at 4:43 pm MST.
Sunshine
The average sunshine in December is 6.9h.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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What time of the year is the coldest in Platteville?
How cold is December in Platteville?
What is the average humidity in December in Platteville?
What is the driest month in Platteville?
How much does it rain in Platteville in December?
How many days does it snow in December in Platteville?
What is the month with the shortest days in Platteville?
What is the average length of the day in December in Platteville?
When is the sunrise / sunset in December in Platteville?
How many hours of sunshine does Platteville have in December?
What is the month with the lowest UV index in Platteville?
What is the UV index reading in December in Platteville?
Average temperature in December
Platteville, CO
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
Platteville, CO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Platteville, CO
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).
Average humidity in December
Platteville, CO
- Average humidity in December: 63%
The months with the highest relative humidity are January and February (64%).
The months with the lowest relative humidity are August and September (42%).
Average rainfall in December
Platteville, CO
- Average rainfall in December: 0.12"
The wettest month (with the highest rainfall) is May (0.67").
The driest months (with the least rainfall) are January and December (0.12").
Average rainfall days in December
Platteville, CO
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and November (3 days).
Average snowfall in December
Platteville, CO
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Platteville, CO
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Platteville, CO
- Average daylight in December: 9h and 2min
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 5min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Platteville, CO
- Average sunshine days in December: 26.3 days
The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in December
Platteville, 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
Platteville, CO
- Average cloud cover in December: 24
The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility in December
Platteville, 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).
Platteville, Colorado, USA
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