December weather forecast
Asbury, IA

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Weather in December

December, the first month of the winter in Asbury, is also a subzero cold month, with an average temperature varying between 21°F (-6.1°C) and 31.5°F (-0.3°C).

Temperature

December implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 43.9°F (6.6°C) to a freezing cold 31.5°F (-0.3°C). Asbury experiences an average temperature drop to 21°F (-6.1°C) during December nights.

Humidity

In Asbury, the average relative humidity in December is 82%.

Rainfall

In Asbury, during December, the rain falls for 6.3 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Asbury, Iowa, during the entire year, the rain falls for 135.3 days and collects up to 27.4" (696mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Asbury, during December, snow falls for 9 days and regularly aggregates up to 2.68" (68mm) of snow. Throughout the year, there are 43.9 snowfall days, and 17.09" (434mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:40 pm CST.

Sunshine

In December, the average sunshine is 4h.

UV index

The months with the lowest UV index in Asbury are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

An average high-temperature, in December, in Asbury, is 31.5°F (-0.3°C) and the average low-temperature is 21°F (-6.1°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

How many days does it rain in December?

In December, in Asbury, the rain falls for 6.3 days. Throughout December, 1.38" (35mm) of precipitation is accumulated.

How much does it snow in December?

In Asbury, in December, snow falls for 9 days, with typically accumulated 2.68" (68mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Asbury have in December?

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

When is the sunrise / sunset in December in Asbury?

On the first day of December, sunrise is at 7:13 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:40 pm CST.

How many hours of sunshine does Asbury have in December?

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.

What is the UV index reading in December?

In Asbury, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Asbury, IA

Average temperature in December - Asbury, IA
  • Average high temperature in December: 31.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in December
Asbury, IA

Average pressure in December - Asbury, 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
Asbury, IA

Average wind speed in December - Asbury, IA
  • Average wind speed in December: 9.8mph

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

Average humidity in December
Asbury, IA

Average humidity in December - Asbury, IA
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).

Average rainfall in December
Asbury, IA

Average rainfall in December - Asbury, IA
  • Average rainfall in December: 1.38"

The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").

Average rainfall days in December
Asbury, IA

Average rainfall days in December - Asbury, IA
  • Average rainfall days in December: 6.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in December
Asbury, IA

Average snowfall in December - Asbury, IA
  • Average snowfall in December: 2.68"

The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Asbury, IA

Average snowfall days in December - Asbury, IA
  • Average snowfall days in December: 9 days

The month with the highest number of snowfall days is January (12.8 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
Asbury, IA

Average daylight in December / Average sunshine in December - Asbury, 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 6min).

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Asbury, IA

Average sunshine days in December - Asbury, IA
  • Average sunshine days in December: 17.5 days

The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Asbury, IA

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

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

Average cloud cover in December
Asbury, IA

Average cloud cover in December - Asbury, 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 32).

Average visibility in December
Asbury, IA

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

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

Asbury, Iowa, USA

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