December weather forecast
Prescott, IA

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Weather in December

The first month of the winter, December, is also a wintry month in Prescott, Iowa, with an average temperature varying between 22.1°F (-5.5°C) and 34.3°F (1.3°C).

Temperature

Prescott's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 47.5°F (8.6°C) to a wintry 34.3°F (1.3°C). Prescott's December nights cool down to an average low-temperature of 22.1°F (-5.5°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Prescott, in December, during 4.7 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, in Prescott, there are 115.1 rainfall days, and 19.21" (488mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Prescott, in December, snow falls for 5.3 days, with typically accumulated 1.22" (31mm) of snow. Throughout the year, there are 27.6 snowfall days, and 8.15" (207mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:00 pm CST.

Sunshine

In Prescott, the average sunshine in December is 4.9h.

UV index

In Prescott, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the UV index of 2 transforms into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Prescott, is 34.3°F (1.3°C), while the low-temperature averages to 22.1°F (-5.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in December?

In Prescott, during December, the rain falls for 4.7 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How much does it snow in December?

In Prescott, Iowa, in December, during 5.3 snowfall days, 1.22" (31mm) of snow is typically accumulated.

What is the month with the shortest days in Prescott?

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

How many hours of daylight does Prescott have in December?

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

What time are sunrise and sunset in December in Prescott?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:00 pm CST.

How long on average sun shines in December?

In Prescott, the average sunshine duration in December is 4.9h.

What is the UV index intensity in December?

In December, the average daily maximum UV index in Prescott is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Prescott, IA

Average temperature in December - Prescott, IA
  • Average high temperature in December: 34.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.3°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°F).

Average pressure in December
Prescott, IA

Average pressure in December - Prescott, 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 (29.88"Hg).

Average wind speed in December
Prescott, IA

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

The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in December
Prescott, IA

Average humidity in December - Prescott, IA
  • Average humidity in December: 79%

The months with the highest relative humidity are January and June (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Prescott, IA

Average rainfall in December - Prescott, IA
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in December
Prescott, IA

Average rainfall days in December - Prescott, IA
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3 days).

Average snowfall in December
Prescott, IA

Average snowfall in December - Prescott, IA
  • Average snowfall in December: 1.22"

The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Prescott, IA

Average snowfall days in December - Prescott, IA
  • Average snowfall days in December: 5.3 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Prescott, 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 24min).

Average sunshine days in December
Prescott, IA

Average sunshine days in December - Prescott, IA
  • Average sunshine days in December: 21.9 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is May (12 days).

Average UV index in December
Prescott, IA

Average UV index in December - Prescott, IA
  • Average UV index in December: 2

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

Average cloud cover in December
Prescott, IA

Average cloud cover in December - Prescott, IA
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).

Average visibility in December
Prescott, IA

Average visibility in December - Prescott, 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).

Prescott, Iowa, USA

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