Climate and monthly weather forecast
Columbus Junction, IA

Share

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). 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). Weather in January »

Weather in February

February, the last month of the winter in Columbus Junction, is a cold month, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 33.4°F (0.8°C). February observes an average high-temperature of a wintry 33.4°F (0.8°C), marking an insignificant difference from January's 28.8°F (-1.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Columbus Junction, Iowa, with an average temperature fluctuating between 32.5°F (0.3°C) and 47.7°F (8.7°C). March witnesses an increase in the average high-temperature, moving from an icy 33.4°F (0.8°C) in February to a chilly 47.7°F (8.7°C). Weather in March »

Weather in April

April in Columbus Junction, Iowa, is a moderate spring month, with an average temperature fluctuating between 43°F (6.1°C) and 59.7°F (15.4°C). With the transition into April, Columbus Junction experiences an increase in average high-temperatures, moving up from a chilly 47.7°F (8.7°C) in March to a moderate 59.7°F (15.4°C). Weather in April »

Weather in May

May, the last month of the spring in Columbus Junction, is an agreeable month, with an average temperature fluctuating between 53.8°F (12.1°C) and 70.5°F (21.4°C). Noticing a change, the average high-temperature during May moves from April's moderate 59.7°F (15.4°C) to an agreeable 70.5°F (21.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Columbus Junction, Iowa, with an average temperature varying between 63°F (17.2°C) and 79.5°F (26.4°C). The beginning of June signals a rise in the average high-temperature, moving from an agreeable 70.5°F (21.4°C) in May to a warm 79.5°F (26.4°C). Weather in June »

Weather in July

July, like June, in Columbus Junction, Iowa, is a moderately hot summer month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 64.9°F (18.3°C). Columbus Junction's temperature records reveal July as the warmest month, marked by average highs of 81.9°F (27.7°C) and lows of 64.9°F (18.3°C). July's mean heat index is computed to be a hot 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Columbus Junction, is another warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.1°F (17.3°C). Columbus Junction transitions into August recording an average high-temperature of a still moderately hot 81.1°F (27.3°C), closely aligning with the preceding month's temperature. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Columbus Junction, Iowa, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 75.7°F (24.3°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 81.1°F (27.3°C) in August to a still moderately hot 75.7°F (24.3°C). Weather in September »

Weather in October

October, like September, in Columbus Junction, Iowa, is another enjoyable autumn month, with an average temperature ranging between max 61.7°F (16.5°C) and min 45.5°F (7.5°C). With October's arrival, Columbus Junction's weather changes as the average high-temperature falls from a moderately hot 75.7°F (24.3°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Columbus Junction, Iowa, with an average temperature varying between 34°F (1.1°C) and 47.5°F (8.6°C). Columbus Junction's November weather features a mild decline in high-temperatures, reducing from a refreshing 61.7°F (16.5°C) in October to a frosty 47.5°F (8.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Columbus Junction, Iowa, with an average temperature varying between 24.3°F (-4.3°C) and 35.4°F (1.9°C). With the onset of December, Columbus Junction experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 47.5°F (8.6°C) in November to a cold 35.4°F (1.9°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

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.

How much does it rain in Columbus Junction?

Throughout the year, there are 81.9 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

When does it snow in Columbus Junction?

January through April, October through December are months with snowfall in Columbus Junction, Iowa.

What is the snowiest month in Columbus Junction?

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.

How much does it snow in Columbus Junction?

Throughout the year, in Columbus Junction, there are 20.4 snowfall days, and 3.11" (79mm) of snow is accumulated.

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

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

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

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

What is the driest month in Columbus Junction?

February and December are months with the least rain when the rain falls for 3.4 days and typically aggregates up to 0.28" (7mm) of rain.

When is Daylight Saving Time (DST) in Columbus Junction?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Columbus Junction, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Columbus Junction?

The month with the most rainfall in Columbus Junction is May, when the rain falls for 10.8 days and typically aggregates up to 1.1" (28mm) of precipitation.

When it does not snow in Columbus Junction?

May through September are months without snowfall in Columbus Junction.

When are the longest days in Columbus Junction?

With an average of 15h and 6min of daylight, June has the longest days of the year.

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

The months with the highest UV index in Columbus Junction are June and July, with an average maximum UV index of 6.

What are the warmest months in Columbus Junction?

Columbus Junction's July weather reaches an average high of 81.9°F (27.7°C) and an average low of 64.9°F (18.3°C), making it the warmest month.

What is the most humid month in Columbus Junction?

The most humid month in Columbus Junction is July, with an average relative humidity of 83%.

What month has the most sunshine in Columbus Junction?

July has the most sunshine of the year, with an average of 10.3h of sunshine.

What is the least humid month in Columbus Junction?

October is the least humid month in Columbus Junction, with an average relative humidity of 71%.

What is the month with the shortest days in Columbus Junction?

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

Average temperature
Columbus Junction, IA

Average temperature - Columbus Junction, IA

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).

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).

Average pressure
Columbus Junction, IA

Average pressure - Columbus Junction, IA

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

Average wind speed
Columbus Junction, IA

Average wind speed - Columbus Junction, IA

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).

Average humidity
Columbus Junction, IA

Average humidity - Columbus Junction, IA

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

Average rainfall
Columbus Junction, IA

Average rainfall - Columbus Junction, IA

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

Average rainfall days
Columbus Junction, IA

Average rainfall days - Columbus Junction, IA

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

Average snowfall
Columbus Junction, IA

Average snowfall - Columbus Junction, IA

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

Average snowfall days
Columbus Junction, IA

Average snowfall days - Columbus Junction, IA

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).

Average daylight / Average sunshine
Columbus Junction, IA

Average daylight / Average sunshine - Columbus Junction, IA

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).

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).

Average sunshine days
Columbus Junction, IA

Average sunshine days - Columbus Junction, IA

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

Average UV index
Columbus Junction, IA

Average UV index - Columbus Junction, IA

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).

Average visibility
Columbus Junction, IA

Average visibility - Columbus Junction, IA

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).

Columbus Junction, Iowa, USA

Weather forecast for your location

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