December weather forecast
Le Claire, IA

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Weather in December

December, the first month of the winter in Le Claire, is also an icy month, with an average temperature varying between 34.5°F (1.4°C) and 23.9°F (-4.5°C).

Temperature

Le Claire's progression into December involves a drop in the average high-temperature, receding from a frosty 46.9°F (8.3°C) in November to an icy 34.5°F (1.4°C). Throughout the month of December, the nighttime temperature in Le Claire dips to an average of 23.9°F (-4.5°C).

Humidity

The average relative humidity in December in Le Claire is 81%.

Rainfall

The month with the least rainfall in Le Claire is December, when the rain falls for 4.1 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

Months with snowfall are January through April, September through December. In Le Claire, Iowa, in December, during 5 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Le Claire, during the entire year, snow falls for 24.5 days and aggregates up to 4.09" (104mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:32 pm. On the last day of December, in Le Claire, sunrise is at 7:28 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine is 4.2h.

UV index

In Le Claire, the average daily maximum UV index in December 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: In December, a daily UV index of 2 turns into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

How cold is December in Le Claire?

Le Claire in December has an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 23.9°F (-4.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 86°F (30°C).

What is the average humidity in December in Le Claire?

The average relative humidity in December is 81%.

What is the driest month in Le Claire?

December is the month with the least rainfall in Le Claire, Iowa. Rain falls for 4.1 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in December in Le Claire?

In Le Claire, in December, it is raining for 4.1 days, with typically 0.35" (9mm) of accumulated precipitation.

How much does it snow in Le Claire in December?

In December, in Le Claire, Iowa, it is snowing for 5 days. Throughout December, 0.39" (10mm) of snow is accumulated.

What is the month with the shortest days in Le Claire?

The month with the shortest days in Le Claire, Iowa, is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Le Claire have in December?

In Le Claire, the average day length in December is 9h and 13min.

When are sunrise and sunset in December in Le Claire?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:32 pm. On the last day of the month, in Le Claire, Iowa, sunrise is at 7:28 am and sunset at 4:41 pm CST.

How many hours of sunshine does Le Claire have in December?

The average sunshine duration in December in Le Claire is 4.2h.

What is the UV index reading in December in Le Claire?

The average daily maximum UV index in December in Le Claire is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Le Claire, IA

Average temperature in December - Le Claire, IA
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in December
Le Claire, IA

Average pressure in December - Le Claire, IA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Le Claire, IA

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in December
Le Claire, IA

Average humidity in December - Le Claire, IA
  • Average humidity in December: 81%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Le Claire, IA

Average rainfall in December - Le Claire, IA
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").

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Average rainfall days in December
Le Claire, IA

Average rainfall days in December - Le Claire, IA
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).

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Average snowfall in December
Le Claire, IA

Average snowfall in December - Le Claire, IA
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in December
Le Claire, IA

Average snowfall days in December - Le Claire, IA
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Le Claire, IA

Average daylight in December / Average sunshine in December - Le Claire, IA
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in December
Le Claire, IA

Average sunshine days in December - Le Claire, IA
  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).

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Average UV index in December
Le Claire, IA

Average UV index in December - Le Claire, IA
  • Average UV index in December: 2

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

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Average cloud cover in December
Le Claire, IA

Average cloud cover in December - Le Claire, IA
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Le Claire, IA

Average visibility in December - Le Claire, 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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Le Claire, Iowa, USA

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