December weather forecast
Ayresville, IA

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Weather in December

The first month of the winter, December, is also an icy month in Ayresville, Iowa, with an average temperature ranging between min 23°F (-5°C) and max 34°F (1.1°C).

Temperature

The arrival of December corresponds with a temperature reduction, down from November's frosty 46.4°F (8°C) to a cold 34°F (1.1°C). December witnesses an average nighttime temperature of 23°F (-5°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Ayresville, in December, during 7.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 136.1 rainfall days, and 27.8" (706mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Ayresville, in December, snow falls for 6.9 days, with typically accumulated 1.73" (44mm) of snow. In Ayresville, during the entire year, snow falls for 34.4 days and aggregates up to 13.19" (335mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:34 pm. On the last day of December, in Ayresville, sunrise is at 7:30 am and sunset at 4:43 pm CST.

Sunshine

The average sunshine in December is 4.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Ayresville in December has an average high-temperature of 34°F (1.1°C) and an average low-temperature of 23°F (-5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In December, the rain falls for 7.1 days. Throughout December, 1.26" (32mm) of precipitation is accumulated.

How many days does it snow in December?

In Ayresville, during December, snow falls for 6.9 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days in Ayresville?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Ayresville have in December?

In Ayresville, Iowa, the average day length in December is 9h and 13min.

When is the sunrise / sunset in December in Ayresville?

On the first day of December, sunrise is at 7:12 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:43 pm CST.

How long on average sun shines in December?

In Ayresville, the average sunshine duration in December is 4.3h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes 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
Ayresville, IA

Average temperature in December - Ayresville, IA
  • Average high temperature in December: 34°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
Ayresville, IA

Average pressure in December - Ayresville, 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
Ayresville, IA

Average wind speed in December - Ayresville, IA
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in December
Ayresville, IA

Average humidity in December - Ayresville, IA
  • Average humidity in December: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Ayresville, IA

Average rainfall in December - Ayresville, IA
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in December
Ayresville, IA

Average rainfall days in December - Ayresville, IA
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in December
Ayresville, IA

Average snowfall in December - Ayresville, IA
  • Average snowfall in December: 1.73"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Ayresville, IA

Average snowfall days in December - Ayresville, IA
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (11.2 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
Ayresville, IA

Average daylight in December / Average sunshine in December - Ayresville, 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 12min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Ayresville, IA

Average sunshine days in December - Ayresville, IA
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in December
Ayresville, IA

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

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

Average cloud cover in December
Ayresville, IA

Average cloud cover in December - Ayresville, IA
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Ayresville, IA

Average visibility in December - Ayresville, 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).

Ayresville, Iowa, USA

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