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 shift from November to December in Clinton involves a decrease in the average high-temperature, from a chilly 45.9°F (7.7°C) to a cold 33.6°F (0.9°C). Throughout the month of December, Clinton expects an average low of 22.8°F (-5.1°C).Humidity
The average relative humidity in December in Clinton is 82%.Rainfall
In Clinton, in December, during 5.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Clinton, there are 126.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Clinton. In Clinton, in December, during 6.7 snowfall days, 1.54" (39mm) of snow is typically accumulated. Throughout the year, there are 33.3 snowfall days, and 8.98" (228mm) of snow is accumulated.Daylight
The month with the shortest days in Clinton is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:40 pm CST.
Sunshine
In Clinton, the average sunshine in December is 4.2h.UV index
In Clinton, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Clinton in December?
What is the average humidity in December in Clinton?
How much does it rain in Clinton in December?
How much does it snow in Clinton in December?
What is the month with the shortest days in Clinton?
How many hours of daylight does Clinton have in December?
When is the sunrise / sunset in December in Clinton?
How many hours of sunshine does Clinton have in December?
What is the UV index intensity in December in Clinton?
Average temperature in December
Clinton, IA
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in December
Clinton, IA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Clinton, IA
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Clinton, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Clinton, IA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days in December
Clinton, IA
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Clinton, IA
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Clinton, IA
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clinton, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Clinton, IA
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Clinton, IA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Clinton, IA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Clinton, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Clinton, Iowa, USA
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