December weather forecastCoppock, IA

December

Weather in December

The first month of the winter, December, is still a cold month in Coppock, Iowa, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 34.9°F (1.6°C).

Temperature

The decrease of average high-temperatures is mild in December, with a decline from a frosty 47.3°F (8.5°C) in November to a cold 34.9°F (1.6°C). Throughout December nights, Coppock registers an average low-temperature of 24.1°F (-4.4°C).

Humidity

In Coppock, the average relative humidity in December is 81%.

Rainfall

The month with the least rainfall is December, when the rain falls for 5.8 days and typically collects 0.71" (18mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Coppock, in December, snow falls for 5.7 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, in Coppock, there are 29.8 snowfall days, and 7.99" (203mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:48 pm CST.

Sunshine

In Coppock, the average sunshine in December is 4.6h.

UV index

The average daily maximum UV index in December in Coppock is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Coppock in December has an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 24.1°F (-4.4°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

The average relative humidity in December in Coppock is 81%.

December is the month with the least rainfall in Coppock. Rain falls for 5.8 days and accumulates 0.71" (18mm) of precipitation.

In December, in Coppock, the rain falls for 5.8 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

In Coppock, Iowa, in December, snow falls for 5.7 days, with typically accumulated 0.79" (20mm) of snow.

The month with the shortest days in Coppock, Iowa, is December, with an average of 9h and 18min of daylight.

The average day length in December in Coppock, Iowa, is 9h and 16min.

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:38 pm. On the last day of the month, in Coppock, Iowa, sunrise is at 7:32 am and sunset at 4:48 pm CST.

The average sunshine duration in December is 4.6h.

In December, the average daily maximum UV index in Coppock, Iowa, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Coppock, IA

  • Average high temperature in December: 34.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in December
Coppock, IA

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Coppock, IA

  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in December
Coppock, IA

  • Average humidity in December: 81%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Coppock, IA

  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in December
Coppock, IA

  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in December
Coppock, IA

  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Coppock, IA

  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (8.9 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
Coppock, IA

  • Average daylight in December: 9h and 18min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Coppock, IA

  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in December
Coppock, IA

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Coppock, IA

  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in December
Coppock, IA

  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).