Climate and monthly weather forecast
Cooper, IA

Weather in January

January, the same as December, in Cooper, Iowa, is a freezing cold winter month, with an average temperature varying between 13.5°F (-10.3°C) and 26.8°F (-2.9°C). The coldest month is January, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 13.5°F (-10.3°C). Weather in January »

Weather in February

February, the last month of the winter in Cooper, is also a subzero cold month, with temperature in the range of an average low of 16.9°F (-8.4°C) and an average high of 30.6°F (-0.8°C). In February, the average high-temperature is almost the same as in January - a still subzero cold 30.6°F (-0.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Cooper, Iowa, with an average temperature fluctuating between 31.1°F (-0.5°C) and 46°F (7.8°C). In March, the average high-temperature increases considerably from a freezing cold 30.6°F (-0.8°C) in February to a frosty 46°F (7.8°C). Weather in March »

Weather in April

April in Cooper, Iowa, is a mild spring month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 42.1°F (5.6°C). In Cooper, Iowa, the average high-temperature in April rises from a chilly 46°F (7.8°C) in March to a mild 58.5°F (14.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Cooper, Iowa, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 53.1°F (11.7°C). In May, the average high-temperature increases from a mild 58.5°F (14.7°C) in April to an agreeable 69.4°F (20.8°C). Weather in May »

Weather in June

June, the first month of the summer in Cooper, is a moderately hot month, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 79.3°F (26.3°C). In Cooper, the average high-temperature in June increases from an agreeable 69.4°F (20.8°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Cooper, Iowa, is a moderately hot summer month, with an average temperature ranging between min 64.6°F (18.1°C) and max 82°F (27.8°C). With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 64.6°F (18.1°C), July is the warmest month. The average heat index in July is appraised at a tropical 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Cooper, Iowa, with an average temperature fluctuating between 80.1°F (26.7°C) and 61.5°F (16.4°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 80.1°F (26.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Cooper, is still a warm month, with an average temperature ranging between max 74.8°F (23.8°C) and min 55.8°F (13.2°C). In Cooper, the average high-temperature in September is relatively the same as in August - a still moderately hot 74.8°F (23.8°C). Weather in September »

Weather in October

October, the same as September, in Cooper, Iowa, is another mild autumn month, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 43.9°F (6.6°C). In October, the average high-temperature declines considerably from a warm 74.8°F (23.8°C) in September to a moderate 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Cooper, is also a frosty month, with an average temperature fluctuating between 45.9°F (7.7°C) and 32.5°F (0.3°C). In Cooper, the average high-temperature in November decreases from a moderate 59.9°F (15.5°C) in October to a frosty 45.9°F (7.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Cooper, Iowa, with an average temperature varying between 32°F (0°C) and 21°F (-6.1°C). In Cooper, the average high-temperature in December drops from a chilly 45.9°F (7.7°C) in November to a wintry 32°F (0°C). Weather in December »
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FAQ

What is the coldest month in Cooper?

With an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 13.5°F (-10.3°C), January is the coldest month.

What is the most humid month in Cooper?

January is the most humid month, with an average relative humidity of 84%.

What is the driest month in Cooper?

The month with the least rainfall in Cooper is January, when the rain falls for 3.8 days and typically collects 0.87" (22mm) of precipitation.

How much does it rain in Cooper?

Throughout the year, in Cooper, Iowa, there are 125.7 rainfall days, and 26.5" (673mm) of precipitation is accumulated.

When does it snow in Cooper?

January through May, October through December are months with snowfall in Cooper.

When does it snow the most in Cooper?

The month with the most snowfall is January, when snow falls for 9.8 days and typically aggregates up to 4.29" (109mm) of snow.

How much does it snow in Cooper?

In Cooper, Iowa, during the entire year, snow falls for 38.1 days and aggregates up to 15.31" (389mm) of snow.

What is the month with the least sunshine in Cooper?

The month with the least sunshine in Cooper is January, with an average of 4.2h of sunshine.

What is the month with the lowest UV index in Cooper?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

When is Daylight Saving Time (DST) in Cooper?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Cooper?

May is the month with the most rainfall. Rain falls for 16.2 days and accumulates 4.06" (103mm) of precipitation.

When it does not snow in Cooper?

June through September are months without snowfall in Cooper.

When are the longest days in Cooper?

With an average of 15h and 11min of daylight, June has the longest days of the year in Cooper.

What is the month with the highest UV index in Cooper?

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

What is the warmest month in Cooper?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 64.6°F (18.1°C), July is the warmest month in Cooper, Iowa.

What month has the most sunshine in Cooper?

The month with the most sunshine in Cooper, Iowa, is July, with an average of 10.2h of sunshine.

What is the least humid month in Cooper?

October is the least humid month in Cooper, Iowa, with an average relative humidity of 69%.

What is the month with the shortest days in Cooper?

The month with the shortest days is December, with an average of 9h and 11min of daylight.

Average pressure
Cooper, IA

Average pressure - Cooper, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Cooper, IA

Average wind speed - Cooper, IA

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average rainfall
Cooper, IA

Average rainfall - Cooper, IA

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days
Cooper, IA

Average rainfall days - Cooper, IA

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall
Cooper, IA

Average snowfall - Cooper, IA

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Cooper, IA

Average snowfall days - Cooper, IA

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Cooper, IA

Average daylight / Average sunshine - Cooper, IA

The month with the longest days is June (Average daylight: 15h and 11min).
The month with the shortest days is December (Average daylight: 9h and 11min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days
Cooper, IA

Average sunshine days - Cooper, IA

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index
Cooper, IA

Average UV index - Cooper, IA

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average visibility
Cooper, IA

Average visibility - Cooper, IA

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

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