Climate and monthly weather forecastAckley, IA

Climate and monthly weather forecast

Weather in January

January, like December, is a freezing cold winter month in Ackley, Iowa, with an average temperature fluctuating between 11.7°F (-11.3°C) and 24.1°F (-4.4°C). Ackley notes the coldest temperatures in January, with a high average of 24.1°F (-4.4°C) and a low of 11.7°F (-11.3°C). Weather in January »

Weather in February

February, the last month of the winter in Ackley, is also a subzero cold month, with an average temperature fluctuating between 28°F (-2.2°C) and 14.9°F (-9.5°C). As February takes its course, Ackley's average high-temperature registers at a still subzero cold 28°F (-2.2°C), closely aligning with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Ackley, is a chilly month, with an average temperature varying between 43.3°F (6.3°C) and 29.5°F (-1.4°C). Ackley's transition into March is marked by a clear temperature shift, advancing from a subzero cold 28°F (-2.2°C) in February to a chilly 43.3°F (6.3°C). Weather in March »

Weather in April

April is a moderate spring month in Ackley, Iowa, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 40.3°F (4.6°C). Ackley's weather shows a temperature rise with the arrival of April, moving from a chilly 43.3°F (6.3°C) in March to a moderate 56.1°F (13.4°C). Weather in April »

Weather in May

May, the last month of the spring in Ackley, is an agreeable month, with an average temperature fluctuating between 68.4°F (20.2°C) and 51.6°F (10.9°C). The commencement of May sees a shift in the average high-temperature, moving from a moderate 56.1°F (13.4°C) in April to an agreeable 68.4°F (20.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Ackley, Iowa, with an average temperature ranging between min 61.3°F (16.3°C) and max 77.5°F (25.3°C). The average high-temperature increases in June, moving from an agreeable 68.4°F (20.2°C) in May to a warm 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Ackley, Iowa, is another warm summer month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 79.9°F (26.6°C). Ackley experiences its highest average temperatures in July, reaching a peak of 79.9°F (26.6°C) and a minimum of 63.3°F (17.4°C). Weather in July »

Weather in August

August, the last month of the summer in Ackley, is another warm month, with an average temperature ranging between min 60.6°F (15.9°C) and max 78.4°F (25.8°C). July's transformation into August witnesses an average high-temperature of a still warm 78.4°F (25.8°C), noting a minor change from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Ackley, is also an agreeable month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 73°F (22.8°C). During the shift to September, Ackley records a mild decrease in average high-temperature, moving from a moderately hot 78.4°F (25.8°C) in August to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Ackley, Iowa, with an average temperature ranging between max 58.3°F (14.6°C) and min 43.3°F (6.3°C). October's arrival is marked by a significant decrease in the average high-temperature, moving from an agreeable 73°F (22.8°C) in September to a mild 58.3°F (14.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Ackley, Iowa, with an average temperature fluctuating between 44.1°F (6.7°C) and 31.1°F (-0.5°C). During the transition into November, Ackley observes a decrease in the average high-temperature, falling from a refreshing 58.3°F (14.6°C) in October to a chilly 44.1°F (6.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Ackley, Iowa, with an average temperature fluctuating between 30.7°F (-0.7°C) and 19.9°F (-6.7°C). With December's onset, the weather shows a temperature decrease, transitioning from a frosty 44.1°F (6.7°C) in November to a freezing cold 30.7°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

January, marked by an average high-temperature of 24.1°F (-4.4°C) and a low-temperature of 11.7°F (-11.3°C), is the coldest month.

The most humid month in Ackley, Iowa, is January, with an average relative humidity of 87%.

The month with the least rainfall in Ackley, Iowa, is January, when the rain falls for 4.3 days and typically collects 1.1" (28mm) of precipitation.

Throughout the year, in Ackley, there are 143.1 rainfall days, and 30.24" (768mm) of precipitation is accumulated.

Months with snowfall are January through May, October through December.

Throughout the year, in Ackley, there are 51.1 snowfall days, and 21.26" (540mm) of snow is accumulated.

The month with the least sunshine is January, with an average of 3.8h of sunshine.

The month with the lowest UV index in Ackley, Iowa, is January, with an average maximum UV index of 1.

February is the month with the most snowfall. Snow falls for 11.2 days and accumulates 5.39" (137mm) of snow.

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ackley, 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.

May through August, with an average maximum UV index of 5, are months with the highest UV index in Ackley, Iowa.

June is the month with the most rainfall in Ackley, Iowa. Rain falls for 19.8 days and accumulates 4.76" (121mm) of precipitation.

In Ackley, snow does not fall in June through September.

June has the longest days of the year in Ackley, with an average of 15h and 18min of daylight.

With average high temperatures of 79.9°F (26.6°C) and lows of 63.3°F (17.4°C), July is the warmest month.

The months with the most sunshine in Ackley are July and August, with an average of 9.7h of sunshine.

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

The month with the shortest days in Ackley is December, with an average of 9h and 6min of daylight.

Average temperature
Ackley, IA

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure
Ackley, IA

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed
Ackley, IA

The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity
Ackley, IA

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Ackley, IA

The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days
Ackley, IA

The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (4 days).

Average snowfall
Ackley, IA

The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Ackley, IA

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Ackley, IA

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Ackley, IA

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (8.1 days).

Average UV index
Ackley, IA

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover
Ackley, IA

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).

Average visibility
Ackley, IA

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