December weather forecast
Lamoni, IA

englishespañol中文
Share

Weather in December

December brings about the full onset of winter in Lamoni, Iowa. The weather in December reaches an average high of a chilly 36°F (2.2°C), and an even colder low of 23.9°F (-4.5°C). Snowfall increases to an average of 1.18" (30mm), making December one of the snowiest months of the year. Despite harsh cold, there are still a reasonable amount of clear, sunny days. As the cycle concludes, January's chill looms around the corner once more.

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 48.6°F (9.2°C) in November to a wintry 36°F (2.2°C). In December, Lamoni experiences an average nighttime temperature of 23.9°F (-4.5°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

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

Snowfall

Months with snowfall 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, Iowa, 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 is December, with an average of 9h and 18min 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, in Lamoni, sunrise is at 7:39 am and sunset at 4:58 pm CST.

Sunshine

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

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
[Resources]

Frequently asked questions

How cold is it in Lamoni in December?

The average high-temperature, in December, in Lamoni, is 36°F (2.2°C), while the average low-temperature is 23.9°F (-4.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 87.8°F (31°C).

What is the average humidity in December in Lamoni?

The average relative humidity in December in Lamoni 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 many days does it rain in December in Lamoni?

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

How much does it snow in Lamoni in December?

In Lamoni, in December, snow falls for 5.4 days, with typically accumulated 1.18" (30mm) of snow.

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 18min of daylight.

How many hours of daylight does Lamoni have in December?

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

What time are sunrise and sunset in December in Lamoni?

On the first day of December in Lamoni, 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?

The average sunshine duration in December in Lamoni, Iowa, 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.

How high is the UV index in December in Lamoni?

The average daily maximum UV index in December in Lamoni is 2. A UV Index estimate of 2, and below, represents a low health threat 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
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).

[Resources]

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).

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).

[Resources]

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").

[Resources]

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).

[Resources]

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 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: 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 30min).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

Lamoni, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location