January weather forecast
Lamoni, IA

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Weather in January

January is often the start of a frigid period in Lamoni, Iowa, with average temperatures hovering around 30.7°F (-0.7°C) and dipping as low as 16.9°F (-8.4°C). January seems to set the tone for the ensuing weather conditions, having a lower UV index, fewer daylight hours, and a higher percentage of cloud cover. A biting wind, with a speed of around 10.3mph (16.6km/h), frequently accompanies the winter chill. The amount of snowfall in January, about 2.95" (75mm), makes the landscape look like a white canvas. Moving from January to February, however, there may be a slight rise in average temperatures.

Temperature

January, with an average high of 30.7°F (-0.7°C) and a low of 16.9°F (-8.4°C), signifies the coldest month of the year.

Humidity

In January, the average relative humidity is 80%.

Rainfall

January, February and December are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 0.71" (18mm) of rain.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 2.95" (75mm) of snow.

Daylight

In January, the average length of the day in Lamoni is 9h and 40min.
On the first day of January, sunrise is at 7:39 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:31 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.5h of sunshine.

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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 2 in January translates into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest period is January, when temperatures fluctuate between an average high of 30.7°F (-0.7°C) and a low of 16.9°F (-8.4°C).

How cold is January?

In Lamoni, 30.7°F (-0.7°C) is the average high-temperature and 16.9°F (-8.4°C) is the average low-temperature during January.

What is the average humidity in January?

In Lamoni, the average relative humidity in January is 80%.

What is the driest month in Lamoni?

January, February and December are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 0.71" (18mm) of rain.

How much does it rain in January?

In Lamoni, in January, during 3.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 8.6 days and accumulates 2.95" (75mm) of snow.

How much does it snow in January?

In Lamoni, Iowa, in January, during 8.6 snowfall days, 2.95" (75mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 40min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:39 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:31 pm CST.

What is the month with the least sunshine?

With an average of 4.5h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In January, the average sunshine duration is 4.5h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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 January
Lamoni, IA

Average temperature in January - Lamoni, IA
  • Average high temperature in January: 30.7°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 January: 16.9°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).

Average pressure in January
Lamoni, IA

Average pressure in January - Lamoni, IA
  • Average pressure in January: 30.16"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).

Average wind speed in January
Lamoni, IA

Average wind speed in January - Lamoni, IA
  • Average wind speed in January: 10.3mph

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).

Average humidity in January
Lamoni, IA

Average humidity in January - Lamoni, IA
  • Average humidity in January: 80%

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

Average rainfall in January
Lamoni, IA

Average rainfall in January - Lamoni, IA
  • Average rainfall in January: 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").

Average rainfall days in January
Lamoni, IA

Average rainfall days in January - Lamoni, IA
  • Average rainfall days in January: 3.8 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).

Average snowfall in January
Lamoni, IA

Average snowfall in January - Lamoni, IA
  • Average snowfall in January: 2.95"

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

Average snowfall days in January
Lamoni, IA

Average snowfall days in January - Lamoni, IA
  • Average snowfall days in January: 8.6 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).

Average daylight in January /
Average sunshine in January
Lamoni, IA

Average daylight in January / Average sunshine in January - Lamoni, IA
  • Average daylight in January: 9h and 4min

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 January: 4h and 3min

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).

Average sunshine days in January
Lamoni, IA

Average sunshine days in January - Lamoni, IA
  • Average sunshine days in January: 21.1 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).

Average UV index in January
Lamoni, IA

Average UV index in January - Lamoni, IA
  • Average UV index in January: 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 January
Lamoni, IA

Average cloud cover in January - Lamoni, IA
  • Average cloud cover in January: 50

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).

Average visibility in January
Lamoni, IA

Average visibility in January - Lamoni, IA
  • Average visibility in January: 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).

Lamoni, Iowa, USA

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