December weather forecast
Lenox, IA

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Weather in December

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

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a frosty 47.5°F (8.6°C) in November to a cold 34.3°F (1.3°C). Throughout December, Lenox records an average temperature of 22.1°F (-5.5°C) at night.

Humidity

In December, the average relative humidity in Lenox is 79%.

Rainfall

In Lenox, in December, during 4.7 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, in Lenox, 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 Lenox, during December, snow falls for 5.3 days and regularly aggregates up to 1.22" (31mm) of snow. In Lenox, during the entire year, snow falls for 27.6 days and aggregates up to 8.15" (207mm) of snow.

Daylight

December has the shortest days of the year in Lenox, with an average of 9h and 18min of daylight.
On the first day of December in Lenox, sunrise is at 7:24 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:00 pm CST.

Sunshine

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

UV index

The average daily maximum UV index in December in Lenox is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

How cold is it in Lenox in December?

In December, in Lenox, the average high-temperature is 34.3°F (1.3°C), and the average low-temperature is 22.1°F (-5.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in December in Lenox?

In Lenox, Iowa, the average relative humidity in December is 79%.

How much does it rain in Lenox in December?

In December, the rain falls for 4.7 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in Lenox in December?

In Lenox, Iowa, in December, snow falls for 5.3 days, with typically accumulated 1.22" (31mm) of snow.

What is the month with the shortest days in Lenox?

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

How many hours of daylight does Lenox have in December?

In Lenox, Iowa, the average day length in December is 9h and 18min.

What time are sunrise and sunset in December in Lenox?

On the first day of December in Lenox, Iowa, sunrise is at 7:24 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:00 pm CST.

How many hours of sunshine does Lenox have in December?

The average sunshine duration in December in Lenox, Iowa, is 4.9h.

How high is the UV index in December in Lenox?

In December, the average daily maximum UV index in Lenox, Iowa, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Lenox, IA

Average temperature in December - Lenox, 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).

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Average pressure in December
Lenox, IA

Average pressure in December - Lenox, 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).

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Average wind speed in December
Lenox, IA

Average wind speed in December - Lenox, 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).

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Average humidity in December
Lenox, IA

Average humidity in December - Lenox, 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%).

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Average rainfall in December
Lenox, IA

Average rainfall in December - Lenox, 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").

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Average rainfall days in December
Lenox, IA

Average rainfall days in December - Lenox, 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).

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Average snowfall in December
Lenox, IA

Average snowfall in December - Lenox, 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").

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Average snowfall days in December
Lenox, IA

Average snowfall days in December - Lenox, 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).

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

Average daylight in December / Average sunshine in December - Lenox, 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).

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Average sunshine days in December
Lenox, IA

Average sunshine days in December - Lenox, 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).

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Average UV index in December
Lenox, IA

Average UV index in December - Lenox, 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).

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Average cloud cover in December
Lenox, IA

Average cloud cover in December - Lenox, 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).

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Average visibility in December
Lenox, IA

Average visibility in December - Lenox, 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).

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Lenox, Iowa, USA

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