December weather forecast
Lorimor, IA

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Weather in December

December, the first month of the winter in Lorimor, is also a wintry month, with an average temperature ranging between min 22.5°F (-5.3°C) and max 34.3°F (1.3°C).

Temperature

The arrival of December corresponds with a shift in temperature, down from a chilly 47.3°F (8.5°C) in November to an icy 34.3°F (1.3°C). During December, Lorimor witnesses a consistent average low-temperature of 22.5°F (-5.3°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Lorimor, during December, the rain falls for 5.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Lorimor, during the entire year, the rain falls for 133 days and collects up to 26.14" (664mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Lorimor, in December, snow falls for 7.5 days, with typically accumulated 1.97" (50mm) of snow. In Lorimor, during the entire year, snow falls for 35 days and aggregates up to 15.04" (382mm) of snow.

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 7:22 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:57 pm CST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, in Lorimor, the average high-temperature is 34.3°F (1.3°C), and the average low-temperature is 22.5°F (-5.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December?

In Lorimor, during December, the rain falls for 5.9 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How many days does it snow in December?

In Lorimor, in December, snow falls for 7.5 days, with typically accumulated 1.97" (50mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Lorimor have in December?

In December, the average day length is 9h and 16min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:22 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:57 pm CST.

How many hours of sunshine does Lorimor have in December?

In Lorimor, the average sunshine duration in December is 4.8h.

What are the months with the lowest UV index?

The months with the lowest UV index in Lorimor are January, February, October through December, with an average maximum UV index of 2.

How high is the UV index in December?

In Lorimor, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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
Lorimor, IA

Average temperature in December - Lorimor, 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 (28.8°F).

  • Average low temperature in December: 22.5°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
Lorimor, IA

Average pressure in December - Lorimor, IA
  • Average pressure in December: 30.12"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
Lorimor, IA

Average wind speed in December - Lorimor, IA
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in December
Lorimor, IA

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

The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Lorimor, IA

Average rainfall in December - Lorimor, IA
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in December
Lorimor, IA

Average rainfall days in December - Lorimor, IA
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is June (17.9 days).
The months with the least rainy days are January and February (3.8 days).

Average snowfall in December
Lorimor, IA

Average snowfall in December - Lorimor, IA
  • Average snowfall in December: 1.97"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Lorimor, IA

Average snowfall days in December - Lorimor, IA
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Lorimor, 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
Lorimor, IA

Average sunshine days in December - Lorimor, IA
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in December
Lorimor, IA

Average UV index in December - Lorimor, 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, October, November and December (UV index 2).

Average cloud cover in December
Lorimor, IA

Average cloud cover in December - Lorimor, IA
  • Average cloud cover in December: 48

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
Lorimor, IA

Average visibility in December - Lorimor, IA
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Lorimor, Iowa, USA

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