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 is characterized by a reduction in the average high-temperature, from a frosty 45.7°F (7.6°C) in November to a wintry 32.5°F (0.3°C). Clemons records an average temperature drop to a subzero cold 21.6°F (-5.8°C) in December.Humidity
The average relative humidity in December is 81%.Rainfall
In Clemons, in December, during 3.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 102 rainfall days, and 10.59" (269mm) of precipitation is accumulated.Snowfall
Months with snowfall in Clemons are January through May, October through December. In Clemons, during December, snow falls for 5.5 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, in Clemons, there are 29.9 snowfall days, and 4.92" (125mm) of snow is accumulated.Daylight
The month with the shortest days in Clemons is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:51 pm CST.
Sunshine
The average sunshine in December in Clemons is 4.5h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Clemons. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Clemons?
What is the average humidity in December in Clemons?
How much does it rain in Clemons in December?
How much does it snow in Clemons in December?
What is the month with the shortest days in Clemons?
What is the average length of the day in December in Clemons?
When are sunrise and sunset in December in Clemons?
How long on average sun shines in December in Clemons?
What is the month with the lowest UV index in Clemons?
How high is the UV index in December in Clemons?
Average temperature in December
Clemons, IA
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Clemons, IA
- 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 June (29.89"Hg).
Average wind speed in December
Clemons, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Clemons, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Clemons, IA
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in December
Clemons, IA
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Clemons, IA
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clemons, IA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clemons, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Clemons, IA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in December
Clemons, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Clemons, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Clemons, 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).
Clemons, Iowa, USA
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