December weather forecast
Colesburg, IA

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Weather in December

December, the first month of the winter in Colesburg, is also a subzero cold month, with an average temperature varying between 30.4°F (-0.9°C) and 20.3°F (-6.5°C).

Temperature

As November transitions into December, Colesburg sees a drop in the average high-temperature, transitioning from a frosty 43.5°F (6.4°C) to a freezing cold 30.4°F (-0.9°C). Throughout the month of December, the nighttime temperature dips to an average of 20.3°F (-6.5°C).

Humidity

The average relative humidity in December is 83%.

Rainfall

In Colesburg, Iowa, in December, it is raining for 6 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 138.5 rainfall days, and 28.46" (723mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Colesburg, in December, snow falls for 10.6 days, with typically accumulated 3.94" (100mm) of snow. Throughout the year, there are 48.6 snowfall days, and 19.57" (497mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:15 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine is 4h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 1 during December leads to these advisories:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Colesburg, is 30.4°F (-0.9°C), while the low-temperature averages to 20.3°F (-6.5°C).

What is the average humidity in December in Colesburg?

The average relative humidity in December is 83%.

How many days does it rain in December?

In Colesburg, in December, during 6 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

How many days does it snow in December in Colesburg?

In Colesburg, in December, during 10.6 snowfall days, 3.94" (100mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Colesburg have in December?

In December, the average day length is 9h and 7min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:41 pm CST.

How many hours of sunshine does Colesburg have in December?

In Colesburg, the average sunshine duration in December is 4h.

When is the lowest UV index?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December in Colesburg?

In Colesburg, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Colesburg, IA

Average temperature in December - Colesburg, IA
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in December
Colesburg, IA

Average pressure in December - Colesburg, 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 (29.9"Hg).

Average wind speed in December
Colesburg, IA

Average wind speed in December - Colesburg, IA
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Colesburg, IA

Average humidity in December - Colesburg, IA
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Colesburg, IA

Average rainfall in December - Colesburg, IA
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in December
Colesburg, IA

Average rainfall days in December - Colesburg, IA
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in December
Colesburg, IA

Average snowfall in December - Colesburg, IA
  • Average snowfall in December: 3.94"

The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Colesburg, IA

Average snowfall days in December - Colesburg, IA
  • Average snowfall days in December: 10.6 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Colesburg, IA

Average daylight in December / Average sunshine in December - Colesburg, IA
  • Average daylight in December: 9h and 1min

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

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Colesburg, IA

Average sunshine days in December - Colesburg, IA
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Colesburg, IA

Average UV index in December - Colesburg, IA
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Colesburg, IA

Average cloud cover in December - Colesburg, IA
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Colesburg, IA

Average visibility in December - Colesburg, IA
  • Average visibility in December: 6mi

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

Colesburg, Iowa, USA

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