Climate and monthly weather forecast
Casey, IA

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Weather in January

January, like December, is another subzero cold winter month in Casey, Iowa, with an average temperature varying between 28°F (-2.2°C) and 14.5°F (-9.7°C). With average high and low temperatures of 28°F (-2.2°C) and 14.5°F (-9.7°C) respectively, January is Casey's coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a wintry month in Casey, Iowa, with an average temperature fluctuating between 17.8°F (-7.9°C) and 32°F (0°C). With the onset of February, the average high-temperature registers at a wintry 32°F (0°C), subtly different from January's 28°F (-2.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Casey, Iowa, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 46.9°F (8.3°C). As Casey welcomes March, the average high-temperature witnesses a distinct rise, moving from an icy 32°F (0°C) in February to a chilly 46.9°F (8.3°C). Weather in March »

Weather in April

April in Casey, Iowa, is a refreshing spring month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 59.2°F (15.1°C). The transition to April introduces an increase in the average high-temperature, shifting from a frosty 46.9°F (8.3°C) in March to a mild 59.2°F (15.1°C). Weather in April »

Weather in May

May, the last month of the spring in Casey, is an agreeable month, with an average temperature ranging between max 69.3°F (20.7°C) and min 52.3°F (11.3°C). With the onset of May, Casey experiences a temperature shift, with the average high-temperature moving from a refreshing 59.2°F (15.1°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Casey, Iowa, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 62.8°F (17.1°C). Casey's transition into June is marked by a temperature shift, moving from a pleasant 69.3°F (20.7°C) in May to a moderately hot 79.2°F (26.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Casey, Iowa, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 64.9°F (18.3°C). The highest temperatures are recorded in July, with averages reaching a high of 82.2°F (27.9°C) and a low of 64.9°F (18.3°C). The heat index value during July is estimated 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 Casey, Iowa, with an average temperature ranging between min 62.2°F (16.8°C) and max 81°F (27.2°C). The transition into August shows a subtle variation to a still warm 81°F (27.2°C) from July's 82.2°F (27.9°C) in the average high-temperature. Weather in August »

Weather in September

September, the first month of the autumn in Casey, is still a warm month, with an average temperature fluctuating between 74.8°F (23.8°C) and 55.9°F (13.3°C). With the onset of September, Casey's average high-temperature slightly adjusts, moderately receding from August's 81°F (27.2°C) to a still moderately hot 74.8°F (23.8°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Casey, Iowa, with an average temperature varying between 60.3°F (15.7°C) and 43.9°F (6.6°C). October brings a significant decrease in the average high-temperature, moving down from a warm 74.8°F (23.8°C) in September to a mild 60.3°F (15.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Casey, is also a frosty month, with an average temperature varying between 46.8°F (8.2°C) and 32.5°F (0.3°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a mild 60.3°F (15.7°C) to a frosty 46.8°F (8.2°C). Weather in November »

Weather in December

December, the first month of the winter in Casey, is still a cold month, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 33.3°F (0.7°C). December's arrival correlates with a reduction in the average high-temperature, down from a chilly 46.8°F (8.2°C) in November to a cold 33.3°F (0.7°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Casey?

January is Casey's coldest month, registering average high temperatures of 28°F (-2.2°C) and lows of 14.5°F (-9.7°C).

What are the most humid months in Casey?

The months with the highest humidity in Casey are January and February, with an average relative humidity of 82%.

What is the driest month in Casey?

The month with the least rainfall in Casey, Iowa, is January, when the rain falls for 3.3 days and typically collects 0.55" (14mm) of precipitation.

How much does it rain in Casey?

Throughout the year, there are 117.3 rainfall days, and 19.09" (485mm) of precipitation is accumulated.

When does it snow in Casey?

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

How many days does it snow in Casey?

In Casey, Iowa, during the entire year, snow falls for 31.7 days and aggregates up to 9.29" (236mm) of snow.

What is the month with the least sunshine in Casey?

The month with the least sunshine is January, with an average of 4.3h of sunshine.

When is the lowest UV index in Casey?

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

When does it snow the most in Casey?

The month with the most snowfall in Casey, Iowa, is February, when snow falls for 7.8 days and typically aggregates up to 2.76" (70mm) of snow.

When is Daylight Saving Time (DST) in Casey?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Casey, 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 rainiest month in Casey?

June is the month with the most rainfall in Casey, Iowa. Rain falls for 15.4 days and accumulates 3.11" (79mm) of precipitation.

When it does not snow in Casey?

In Casey, Iowa, snow does not fall in June through September.

When are the longest days in Casey?

With an average of 15h and 6min of daylight, June has the longest days of the year in Casey, Iowa.

When is the highest UV index in Casey?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Casey.

What time of the year is the hottest in Casey?

In Casey, July is known for its average highest temperatures, reaching a high of 82.2°F (27.9°C) and a low of 64.9°F (18.3°C).

What month has the most sunshine in Casey?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the least humid month in Casey?

With an average relative humidity of 70%, October is the least humid month in Casey.

What is the month with the shortest days in Casey?

The month with the shortest days in Casey, Iowa, is December, with an average of 9h and 12min of daylight.

Average pressure
Casey, IA

Average pressure - Casey, 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
Casey, IA

Average wind speed - Casey, IA

The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity
Casey, IA

Average humidity - Casey, IA

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (70%).

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Average rainfall
Casey, IA

Average rainfall - Casey, IA

The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days
Casey, IA

Average rainfall days - Casey, IA

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall
Casey, IA

Average snowfall - Casey, IA

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Casey, IA

Average snowfall days - Casey, IA

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Casey, IA

Average daylight / Average sunshine - Casey, IA

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 12min).

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 18min).

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Average sunshine days
Casey, IA

Average sunshine days - Casey, IA

The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.1 days).

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Average visibility
Casey, IA

Average visibility - Casey, IA

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

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Casey, Iowa, USA

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