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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Ackley?
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.
What is the most humid month in Ackley?
The most humid month in Ackley, Iowa, is January, with an average relative humidity of 87%.
What is the driest month in Ackley?
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.
How much does it rain in Ackley?
Throughout the year, in Ackley, there are 143.1 rainfall days, and 30.24" (768mm) of precipitation is accumulated.
When does it snow in Ackley?
Months with snowfall are January through May, October through December.
How much does it snow in Ackley?
Throughout the year, in Ackley, there are 51.1 snowfall days, and 21.26" (540mm) of snow is accumulated.
What is the month with the least sunshine in Ackley?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
When is the lowest UV index in Ackley?
The month with the lowest UV index in Ackley, Iowa, is January, with an average maximum UV index of 1.
What is the snowiest month in Ackley?
February is the month with the most snowfall. Snow falls for 11.2 days and accumulates 5.39" (137mm) of snow.
When is Daylight Saving Time (DST) in Ackley?
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.
When is the highest UV index in Ackley?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Ackley, Iowa.
What is the wettest month in Ackley?
June is the month with the most rainfall in Ackley, Iowa. Rain falls for 19.8 days and accumulates 4.76" (121mm) of precipitation.
When it does not snow in Ackley?
In Ackley, snow does not fall in June through September.
When are the longest days in Ackley?
June has the longest days of the year in Ackley, with an average of 15h and 18min of daylight.
What is the warmest month in Ackley?
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.
What are the months with the most sunshine in Ackley?
The months with the most sunshine in Ackley are July and August, with an average of 9.7h of sunshine.
What is the least humid month in Ackley?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days in Ackley?
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
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
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
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.8mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.4mph
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
- Average rainfall in January:
1.1" - Average rainfall in February:
1.3" - Average rainfall in March:
1.81" - Average rainfall in April:
3.5" - Average rainfall in May:
4.61" - Average rainfall in June:
4.76"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.44" - Average rainfall in September:
2.48" - Average rainfall in October:
2.44" - Average rainfall in November:
1.42" - Average rainfall in December:
1.57"
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
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
19.8 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
5.5 days
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
- Average snowfall in January:
5.28" - Average snowfall in February:
5.39" - Average snowfall in March:
2.48" - Average snowfall in April:
1.54" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
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
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
7.6 days - Average snowfall days in April:
2.4 days - Average snowfall days in May:
0.2 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:
1.4 days - Average snowfall days in November:
4 days - Average snowfall days in December:
11.8 days
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
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
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
- Average sunshine days in January:
15.5 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
11 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
8.1 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
16.3 days
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).
Ackley, Iowa, USA
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