December weather forecast
Lamoni, IA

Weather in December

The first month of the winter, December, is still a cold month in Lamoni, Iowa, with an average temperature ranging between max 36°F (2.2°C) and min 23.9°F (-4.5°C).

Temperature

In Lamoni, Iowa, the average high-temperature in December decreases from a chilly 48.6°F (9.2°C) in November to a cold 36°F (2.2°C). In Lamoni, in December, the average low-temperature is 23.9°F (-4.5°C).

Humidity

In December, the average relative humidity in Lamoni is 78%.

Rainfall

The months with the least rainfall are January, February and December Rain falls for 5.4 days and accumulates 0.71" (18mm) of rain.

Snowfall

Months with snowfall in Lamoni, Iowa, are January through May, October through December. In Lamoni, in December, snow falls for 5.4 days, with typically accumulated 1.18" (30mm) of snow. In Lamoni, during the entire year, snow falls for 27.9 days and aggregates up to 10.83" (275mm) of snow.

Daylight

The month with the shortest days in Lamoni is December, with an average of 9h and 19min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:58 pm CST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Lamoni, Iowa. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Lamoni?

In Lamoni, the average relative humidity in December is 78%.

What is the driest month in Lamoni?

The months with the least rainfall in Lamoni, Iowa, are January, February and December Rain falls for 5.4 days and accumulates 0.71" (18mm) of rain.

How much does it rain in Lamoni in December?

In Lamoni, Iowa, in December, it is raining for 5.4 days, with typically 0.71" (18mm) of accumulated precipitation.

How many days does it snow in December in Lamoni?

In Lamoni, Iowa, in December, during 5.4 snowfall days, 1.18" (30mm) of snow is typically accumulated.

What is the month with the shortest days in Lamoni?

The month with the shortest days in Lamoni, Iowa, is December, with an average of 9h and 19min of daylight.

What is the average length of the day in December in Lamoni?

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

When is the sunrise / sunset in December in Lamoni?

On the first day of December, sunrise is at 7:20 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:58 pm CST.

How many hours of sunshine does Lamoni have in December?

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index in Lamoni?

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

What is the UV index intensity in December in Lamoni?

The average daily maximum UV index in December in Lamoni, Iowa, is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Lamoni, IA

Average temperature in December - Lamoni, IA
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in December
Lamoni, IA

Average pressure in December - Lamoni, 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 (29.89"Hg).

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Average wind speed in December
Lamoni, IA

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

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in December
Lamoni, IA

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

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Lamoni, IA

Average rainfall in December - Lamoni, IA
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January, February and December (0.71").

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Average rainfall days in December
Lamoni, IA

Average rainfall days in December - Lamoni, IA
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in December
Lamoni, IA

Average snowfall in December - Lamoni, IA
  • Average snowfall in December: 1.18"

The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Lamoni, IA

Average snowfall days in December - Lamoni, IA
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is January (8.6 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
Lamoni, IA

Average daylight in December / Average sunshine in December - Lamoni, IA
  • Average daylight in December: 9h and 19min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in December: 4h and 54min

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 30min).

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Average sunshine days in December
Lamoni, IA

Average sunshine days in December - Lamoni, IA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in December
Lamoni, IA

Average UV index in December - Lamoni, 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).

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Average cloud cover in December
Lamoni, IA

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

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in December
Lamoni, IA

Average visibility in December - Lamoni, 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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