Climate and monthly weather forecastColumbus Junction, IA
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
Throughout the year, there are 81.9 rainfall days, and 6.69" (170mm) of precipitation is accumulated.
January through April, October through December are months with snowfall in Columbus Junction, Iowa.
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.
Throughout the year, in Columbus Junction, there are 20.4 snowfall days, and 3.11" (79mm) of snow is accumulated.
The months with the least sunshine are January and February, with an average of 4.3h of sunshine.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
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.
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.
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.
May through September are months without snowfall in Columbus Junction.
With an average of 15h and 6min of daylight, June has the longest days of the year.
The months with the highest UV index in Columbus Junction are June and July, with an average maximum UV index of 6.
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.
The most humid month in Columbus Junction is July, with an average relative humidity of 83%.
July has the most sunshine of the year, with an average of 10.3h of sunshine.
October is the least humid month in Columbus Junction, with an average relative humidity of 71%.
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
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 in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"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).
Average wind speed
Columbus Junction, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
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
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 in January:
0.35" - Average rainfall in February:
0.28" - Average rainfall in March:
0.39" - Average rainfall in April:
0.67" - Average rainfall in May:
1.1" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.39" - Average rainfall in September:
0.59" - Average rainfall in October:
0.55" - Average rainfall in November:
0.35" - Average rainfall in December:
0.28"
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 in January:
3 days - Average rainfall days in February:
3.4 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
11 days
- Average rainfall days in July:
9.6 days - Average rainfall days in August:
6.9 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
5.7 days - Average rainfall days in November:
4.3 days - Average rainfall days in December:
3.4 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).
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 in January:
6.7 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.7 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).
Average daylight / Average sunshine
Columbus Junction, IA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 18min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
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 in January:
24.3 days - Average sunshine days in February:
21.7 days - Average sunshine days in March:
20.6 days - Average sunshine days in April:
18.1 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
17.5 days - Average sunshine days in August:
21.1 days - Average sunshine days in September:
20.9 days - Average sunshine days in October:
23.2 days - Average sunshine days in November:
23.3 days - Average sunshine days in December:
25.3 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).
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 cloud cover
Columbus Junction, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
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).
