December weather forecast
College Springs, IA

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Weather in December

December, the first month of the winter in College Springs, is also a wintry month, with an average temperature ranging between min 22.8°F (-5.1°C) and max 35.2°F (1.8°C).

Temperature

With December's arrival, College Springs sees a decrease in average high-temperatures, moving from a chilly 49.1°F (9.5°C) in November to a wintry 35.2°F (1.8°C). College Springs, in December, observes a steady average low-temperature of 22.8°F (-5.1°C).

Humidity

In College Springs, the average relative humidity in December is 78%.

Rainfall

In College Springs, during December, the rain falls for 4.3 days and regularly aggregates up to 0.59" (15mm) of precipitation. In College Springs, during the entire year, the rain falls for 114.9 days and collects up to 18.39" (467mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In College Springs, in December, during 4.5 snowfall days, 0.91" (23mm) of snow is typically accumulated. In College Springs, Iowa, during the entire year, snow falls for 25.2 days and aggregates up to 7.4" (188mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:03 pm CST.

Sunshine

In College Springs, the average sunshine in December is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

How cold is it in December?

In College Springs, in December, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 22.8°F (-5.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in December?

In College Springs, during December, the rain falls for 4.3 days and regularly aggregates up to 0.59" (15mm) of precipitation.

How much does it snow in December?

In College Springs, in December, snow falls for 4.5 days, with typically accumulated 0.91" (23mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December in College Springs?

The average day length in December is 9h and 19min.

When are sunrise and sunset in December?

On the first day of December in College Springs, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:03 pm CST.

How many hours of sunshine does College Springs have in December?

In December, the average sunshine duration in College Springs is 5h.

When is the lowest UV index?

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

How high is the UV index in December in College Springs?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
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
College Springs, IA

Average temperature in December - College Springs, IA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in December
College Springs, IA

Average pressure in December - College Springs, 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
College Springs, IA

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

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in December
College Springs, IA

Average humidity in December - College Springs, IA
  • Average humidity in December: 78%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
College Springs, IA

Average rainfall in December - College Springs, IA
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in December
College Springs, IA

Average rainfall days in December - College Springs, IA
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in December
College Springs, IA

Average snowfall in December - College Springs, IA
  • Average snowfall in December: 0.91"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
College Springs, IA

Average snowfall days in December - College Springs, IA
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
College Springs, IA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
College Springs, IA

Average sunshine days in December - College Springs, IA
  • Average sunshine days in December: 22 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in December
College Springs, IA

Average UV index in December - College Springs, 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, November and December (UV index 2).

Average cloud cover in December
College Springs, IA

Average cloud cover in December - College Springs, IA
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
College Springs, IA

Average visibility in December - College Springs, 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).

College Springs, Iowa, USA

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