December weather forecast
Coburg, IA

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Weather in December

The first month of the winter, December, is still a cold month in Coburg, Iowa, with an average temperature ranging between min 22.1°F (-5.5°C) and max 34.7°F (1.5°C).

Temperature

December shows a mild decline in the average high-temperature, falling from November's frosty 48.6°F (9.2°C) to a cold 34.7°F (1.5°C). The nighttime temperature, during December, averages of 22.1°F (-5.5°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Coburg, in December, it is raining for 4.2 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 117.2 rainfall days, and 21.77" (553mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Coburg are January through April, October through December. In December, it is snowing for 4.8 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, there are 26.7 snowfall days, and 9.76" (248mm) 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 7:26 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:03 pm CST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

How cold is it in December?

An average high-temperature, in December, in Coburg, is 34.7°F (1.5°C) and the average low-temperature is 22.1°F (-5.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How many days does it rain in December?

In Coburg, in December, it is raining for 4.2 days, with typically 0.98" (25mm) of accumulated precipitation.

How much does it snow in December?

In Coburg, in December, during 4.8 snowfall days, 1.65" (42mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Coburg have in December?

The average day length in December is 9h and 17min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:26 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:03 pm CST.

How long on average sun shines in December in Coburg?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Coburg, IA

Average temperature in December - Coburg, IA
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in December: 22.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in December
Coburg, IA

Average pressure in December - Coburg, IA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Coburg, IA

Average wind speed in December - Coburg, IA
  • Average wind speed in December: 9.6mph

The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in December
Coburg, IA

Average humidity in December - Coburg, IA
  • Average humidity in December: 78%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Coburg, IA

Average rainfall in December - Coburg, IA
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is June (4.06").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in December
Coburg, IA

Average rainfall days in December - Coburg, IA
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in December
Coburg, IA

Average snowfall in December - Coburg, IA
  • Average snowfall in December: 1.65"

The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Coburg, IA

Average snowfall days in December - Coburg, IA
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is January (7.9 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
Coburg, IA

Average daylight in December / Average sunshine in December - Coburg, IA
  • Average daylight in December: 9h and 2min

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
Coburg, IA

Average sunshine days in December - Coburg, IA
  • Average sunshine days in December: 23.1 days

The month with the most sunshine days is December (23.1 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in December
Coburg, IA

Average UV index in December - Coburg, IA
  • 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, October, November and December (UV index 2).

Average cloud cover in December
Coburg, IA

Average cloud cover in December - Coburg, IA
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Coburg, IA

Average visibility in December - Coburg, IA
  • 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).

Coburg, Iowa, USA

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