December weather forecast
Clarinda, IA

December

Weather in December

December, the first month of the winter in Clarinda, is also a wintry month, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 22.8°F (-5.1°C).

Temperature

During the transition into December, Clarinda observes a decrease in the average high-temperature, falling from a frosty 49.1°F (9.5°C) in November to an icy 35.2°F (1.8°C). The average low-temperature of 22.8°F (-5.1°C) is witnessed during December.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Clarinda, Iowa, during December, the rain falls for 4.3 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Clarinda, Iowa, during the entire year, the rain falls for 114.9 days and collects up to 18.39" (467mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 4.5 days. Throughout December, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 25.2 snowfall days, and 7.4" (188mm) 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 7:25 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:02 pm CST.

Sunshine

In December, the average sunshine is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 35.2°F (1.8°C) and a low-temperature of 22.8°F (-5.1°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in December?

In Clarinda, in December, during 4.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Clarinda, in December, snow falls for 4.5 days, with typically accumulated 0.91" (23mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Clarinda have in December?

In December, the average day length is 9h and 19min.

When are sunrise and sunset in December in Clarinda?

On the first day of December, sunrise is at 7:25 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:02 pm CST.

How long on average sun shines in December?

In Clarinda, the average sunshine duration in December is 5h.

When is the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December?

In December, the average daily maximum UV index 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 - Clarinda, IA
Average temperature in December
Clarinda, IA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in December - Clarinda, IA
Average pressure in December
Clarinda, 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 (29.87"Hg).

Average wind speed in December - Clarinda, IA
Average wind speed in December
Clarinda, IA
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in December - Clarinda, IA
Average humidity in December
Clarinda, IA
  • Average humidity in December: 78%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December - Clarinda, IA
Average rainfall in December
Clarinda, IA
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in December - Clarinda, IA
Average rainfall days in December
Clarinda, IA
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in December - Clarinda, IA
Average snowfall in December
Clarinda, IA
  • Average snowfall in December: 0.91"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December - Clarinda, IA
Average snowfall days in December
Clarinda, IA
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Clarinda, IA
Average daylight in December /
Average sunshine in December
Clarinda, IA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December - Clarinda, IA
Average sunshine days in December
Clarinda, IA
  • Average sunshine days in December: 22 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Clarinda, IA
Average cloud cover in December
Clarinda, IA
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December - Clarinda, IA
Average visibility in December
Clarinda, 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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