January weather forecast
Columbus Junction, IA

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Weather in January

January, the same as December, in Columbus Junction, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 16.7°F (-8.5°C).

Temperature

Columbus Junction's coldest month, January, registers temperatures that range from a high of 28.8°F (-1.8°C) to a low of 16.7°F (-8.5°C).

Humidity

In Columbus Junction, the average relative humidity in January is 82%.

Rainfall

In January, the rain falls for 3 days. Throughout January, 0.35" (9mm) of precipitation is accumulated. In Columbus Junction, during the entire year, the rain falls for 81.9 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 6.7 days and typically aggregates up to 1.02" (26mm) of snow.

Daylight

The average length of the day in January in Columbus Junction is 9h and 36min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:20 pm CST.

Sunshine

January and February, with an average of 4.3h of sunshine, are months with the least sunshine in Columbus Junction.

UV index

The months with the lowest UV index in Columbus Junction are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 1 during January, leads to the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the coldest time of year in Columbus Junction?

January, noted for its average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.7°F (-8.5°C), is considered the coldest month in Columbus Junction, Iowa.

How cold is it in Columbus Junction in January?

Columbus Junction in January has an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.7°F (-8.5°C).

What is the average humidity in January in Columbus Junction?

In Columbus Junction, Iowa, the average relative humidity in January is 82%.

How much does it rain in Columbus Junction in January?

In Columbus Junction, Iowa, in January, it is raining for 3 days, with typically 0.35" (9mm) of accumulated precipitation.

What is the snowiest month in Columbus Junction?

The month with the most snowfall in Columbus Junction, Iowa, is January, when snow falls for 6.7 days and typically aggregates up to 1.02" (26mm) of snow.

How many days does it snow in January in Columbus Junction?

In Columbus Junction, Iowa, in January, during 6.7 snowfall days, 1.02" (26mm) of snow is typically accumulated.

How many hours of daylight does Columbus Junction have in January?

The average day length in January in Columbus Junction is 9h and 36min.

When is the sunrise / sunset in January in Columbus Junction?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:46 pm. On the last day of the month, in Columbus Junction, sunrise is at 7:17 am and sunset at 5:20 pm CST.

What is the month with the least sunshine in Columbus Junction?

The months with the least sunshine in Columbus Junction, Iowa, are January and February, with an average of 4.3h of sunshine.

How many hours of sunshine does Columbus Junction have in January?

In Columbus Junction, the average sunshine duration in January is 4.3h.

What are the months with the lowest UV index in Columbus Junction?

The months with the lowest UV index in Columbus Junction, Iowa, are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Columbus Junction?

In Columbus Junction, Iowa, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents 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
Columbus Junction, IA

Average temperature in January - Columbus Junction, IA
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 16.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in January
Columbus Junction, IA

Average pressure in January - Columbus Junction, IA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Columbus Junction, IA

Average wind speed in January - Columbus Junction, IA
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in January
Columbus Junction, IA

Average humidity in January - Columbus Junction, IA
  • Average humidity in January: 82%

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

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Average rainfall in January
Columbus Junction, IA

Average rainfall in January - Columbus Junction, IA
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February and December (0.28").

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Average rainfall days in January
Columbus Junction, IA

Average rainfall days in January - Columbus Junction, IA
  • Average rainfall days in January: 3 days

The month with the highest number of rainy days is June (11 days).
The month with the least rainy days is January (3 days).

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Average snowfall in January
Columbus Junction, IA

Average snowfall in January - Columbus Junction, IA
  • Average snowfall in January: 1.02"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Columbus Junction, IA

Average snowfall days in January - Columbus Junction, IA
  • Average snowfall days in January: 6.7 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Columbus Junction, IA

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

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 January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).

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Average sunshine days in January
Columbus Junction, IA

Average sunshine days in January - Columbus Junction, IA
  • Average sunshine days in January: 24.3 days

The month with the most sunshine days is December (25.3 days).
The month with the least sunshine days is June (14.8 days).

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Average UV index in January
Columbus Junction, IA

Average UV index in January - Columbus Junction, IA
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Columbus Junction, IA

Average cloud cover in January - Columbus Junction, IA
  • Average cloud cover in January: 55

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in January
Columbus Junction, IA

Average visibility in January - Columbus Junction, IA
  • Average visibility in January: 6mi

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

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Columbus Junction, Iowa, USA

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