Climate and monthly weather forecast
Buchanan, IA

Share

Weather in January

January, the same as December, in Buchanan, Iowa, is a freezing cold winter month, with an average temperature ranging between min 14.5°F (-9.7°C) and max 26.8°F (-2.9°C). The month of January, characterized by an average high of 26.8°F (-2.9°C) and a low of 14.5°F (-9.7°C), is recognized as the coldest. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Buchanan, Iowa, with temperature in the range of an average high of 31.3°F (-0.4°C) and an average low of 18.3°F (-7.6°C). The transition into February shows a subtle variation to a still freezing cold 31.3°F (-0.4°C) from January's 26.8°F (-2.9°C) in the average high-temperature. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Buchanan, Iowa, with an average temperature ranging between max 46°F (7.8°C) and min 31.3°F (-0.4°C). Buchanan's transition into March is marked by a clear temperature shift, advancing from a subzero cold 31.3°F (-0.4°C) in February to a frosty 46°F (7.8°C). Weather in March »

Weather in April

April in Buchanan, Iowa, is a refreshing spring month, with an average temperature fluctuating between 41.2°F (5.1°C) and 58.1°F (14.5°C). With the transition into April, Buchanan experiences an increase in average high-temperatures, moving up from a frosty 46°F (7.8°C) in March to a moderate 58.1°F (14.5°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Buchanan, Iowa, with an average temperature fluctuating between 69.3°F (20.7°C) and 52.5°F (11.4°C). With the onset of May, Buchanan's weather sees a temperature rise, transitioning from a mild 58.1°F (14.5°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »

Weather in June

June, the first month of the summer in Buchanan, is a moderately hot month, with an average temperature fluctuating between 61.5°F (16.4°C) and 78.4°F (25.8°C). June witnesses an increase in the average high-temperature, moving from an agreeable 69.3°F (20.7°C) in May to a warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Buchanan, Iowa, is a moderately hot summer month, with an average temperature ranging between max 80.6°F (27°C) and min 64.6°F (18.1°C). With average high temperatures of 80.6°F (27°C) and lows of 64.6°F (18.1°C), July is the warmest month. The heat index in July is computed to be a hot 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Buchanan, Iowa, with an average temperature varying between 79.7°F (26.5°C) and 61.9°F (16.6°C). August's onset records an average high-temperature of a still moderately hot 79.7°F (26.5°C), a near match to July's 80.6°F (27°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Buchanan, Iowa, with an average temperature varying between 74.3°F (23.5°C) and 55.2°F (12.9°C). September signifies a minor drop in average high-temperature, transitioning from 79.7°F (26.5°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Buchanan, Iowa, with an average temperature varying between 59.9°F (15.5°C) and 44.1°F (6.7°C). Buchanan's transition into October marks a considerable drop in the average high-temperature, moving down from a moderately hot 74.3°F (23.5°C) in September to a mild 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Buchanan, is another chilly month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 32.4°F (0.2°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's mild 59.9°F (15.5°C) to a frosty 46°F (7.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Buchanan, Iowa, with temperature in the range of an average low of 23°F (-5°C) and an average high of 33.3°F (0.7°C). With December's onset, the average high-temperature recedes from November's frosty 46°F (7.8°C) to an icy 33.3°F (0.7°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Buchanan?

January, with its high-temperature average of 26.8°F (-2.9°C) and a low-temperature average of 14.5°F (-9.7°C), is the coldest month in Buchanan.

What is the most humid month in Buchanan?

The months with the highest humidity in Buchanan are January and July, with an average relative humidity of 84%.

What is the driest month in Buchanan?

January is the month with the least rainfall in Buchanan. Rain falls for 4.9 days and accumulates 1.26" (32mm) of precipitation.

How many days does it rain in Buchanan?

Throughout the year, in Buchanan, Iowa, there are 145.6 rainfall days, and 30.04" (763mm) of precipitation is accumulated.

When does it snow in Buchanan?

Months with snowfall in Buchanan, Iowa, are January through April, October through December.

What is the snowiest month in Buchanan?

The month with the most snowfall is January, when snow falls for 10.5 days and typically aggregates up to 5.24" (133mm) of snow.

How much does it snow in Buchanan?

Throughout the year, in Buchanan, there are 37.9 snowfall days, and 16.81" (427mm) of snow is accumulated.

What is the month with the least sunshine in Buchanan?

With an average of 4h of sunshine, January has the least sunshine of the year in Buchanan, Iowa.

What are the months with the lowest UV index in Buchanan?

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

When is Daylight Saving Time (DST) in Buchanan?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Buchanan, Iowa, 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 wettest month in Buchanan?

The month with the most rainfall is May, when the rain falls for 19 days and typically aggregates up to 4.65" (118mm) of precipitation.

When it does not snow in Buchanan?

In Buchanan, Iowa, snow does not fall in May through September.

When are the longest days in Buchanan?

June has the longest days of the year, with an average of 15h and 12min of daylight.

When is the highest UV index in Buchanan?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Buchanan, Iowa.

What are the warmest months in Buchanan?

Buchanan, Iowa, notes the warmest temperatures in July, with a average high of 80.6°F (27°C) and a low of 64.6°F (18.1°C).

What month has the most sunshine in Buchanan?

July has the most sunshine of the year, with an average of 10h of sunshine.

What is the least humid month in Buchanan?

With an average relative humidity of 72%, October is the least humid month in Buchanan.

What is the month with the shortest days in Buchanan?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Buchanan.

Average temperature
Buchanan, IA

Average temperature - Buchanan, IA

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (26.8°F).

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure
Buchanan, IA

Average pressure - Buchanan, 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
Buchanan, IA

Average wind speed - Buchanan, IA

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity
Buchanan, IA

Average humidity - Buchanan, IA

The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Buchanan, IA

Average rainfall - Buchanan, IA

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days
Buchanan, IA

Average rainfall days - Buchanan, IA

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (4.9 days).

Average snowfall
Buchanan, IA

Average snowfall - Buchanan, IA

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Buchanan, IA

Average snowfall days - Buchanan, IA

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Buchanan, IA

Average daylight / Average sunshine - Buchanan, IA

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).

Average sunshine days
Buchanan, IA

Average sunshine days - Buchanan, IA

The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (8.8 days).

Average visibility
Buchanan, IA

Average visibility - Buchanan, 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).

Buchanan, Iowa, USA

Weather forecast for your location

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