Climate and monthly weather forecast
Winterset, IA

A historic Hogback Covered Bridge in Winterset in Madison County, within Iowa
A historic Hogback Covered Bridge in Winterset in Madison County, within Iowa

Weather in January

January, like December, is another subzero cold winter month in Winterset, Iowa, with average temperature fluctuating between 28.8°F (-1.8°C) and 15.3°F (-9.3°C). The coldest month is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 15.3°F (-9.3°C). Weather in January »

Weather in February

February, the last month of the winter, in Winterset, is a cold month, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 18.3°F (-7.6°C). In Winterset, the average high-temperature in February is essentially the same as in January - a wintry 32.5°F (0.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Winterset, is a chilly month, with average temperature ranging between min 32.5°F (0.3°C) and max 47.8°F (8.8°C). In March, the average high-temperature significantly increases, from a cold 32.5°F (0.3°C) in February, to a frosty 47.8°F (8.8°C). Weather in March »

Weather in April

April is a moderate spring month in Winterset, Iowa, with average temperature fluctuating between 42.3°F (5.7°C) and 59.7°F (15.4°C). In Winterset, Iowa, the average high-temperature rises, from a chilly 47.8°F (8.8°C) in March, to a moderate 59.7°F (15.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Winterset, Iowa, with average temperature ranging between min 52.7°F (11.5°C) and max 69.4°F (20.8°C). In May, the average high-temperature rises, from a mild 59.7°F (15.4°C) in April, to a pleasant 69.4°F (20.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Winterset, is a warm month, with average temperature ranging between min 63°F (17.2°C) and max 79.7°F (26.5°C). In Winterset, the average high-temperature in June increases, from a pleasant 69.4°F (20.8°C) in May, to a moderately hot 79.7°F (26.5°C). Weather in June »

Weather in July

July, like June, in Winterset, Iowa, is another warm summer month, with average temperature fluctuating between 83.3°F (28.5°C) and 65.1°F (18.4°C). The warmest month is July, with an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 65.1°F (18.4°C). In July, the average heat index is evaluated at a tropical 92.5°F (33.6°C). Weather in July »

Weather in August

August, the last month of the summer, in Winterset, is another warm month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81.5°F (27.5°C). In Winterset, Iowa, the average high-temperature is relatively the same as in July - a still warm 81.5°F (27.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Winterset, Iowa, with average temperature varying between 55.9°F (13.3°C) and 75.4°F (24.1°C). In Winterset, the average high-temperature slightly decreases, from 81.5°F (27.5°C) in August, to a still moderately hot 75.4°F (24.1°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Winterset, Iowa, with average temperature varying between 44.2°F (6.8°C) and 60.8°F (16°C). In October, the average high-temperature declines considerably, from a warm 75.4°F (24.1°C) in September, to an enjoyable 60.8°F (16°C). Weather in October »

Weather in November

November, the last month of the autumn, in Winterset, is another chilly month, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 32.7°F (0.4°C). In November, the average high-temperature decreases, from a comfortable 60.8°F (16°C) in October, to a chilly 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Winterset, Iowa, with average temperature fluctuating between 34.3°F (1.3°C) and 22.5°F (-5.3°C). In December, the average high-temperature decreases, from a chilly 47.3°F (8.5°C) in November, to a cold 34.3°F (1.3°C). Weather in December »
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FAQ

What is the coldest month in Winterset?

With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 15.3°F (-9.3°C), January is the coldest month in Winterset, Iowa.

What are the most humid months in Winterset?

January, February and June, with an average relative humidity of 82%, are most humid months in Winterset.

What is the driest month in Winterset?

The month with the least rainfall is January when the rain falls for 3.8 days and typically collects 0.91" (23mm) of precipitation.

How many days does it rain in Winterset?

In Winterset, during the entire year, the rain falls for 133 days and collects up to 26.14" (664mm) of precipitation.

When does it snow in Winterset?

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

How many days does it snow in Winterset?

Throughout the year, in Winterset, there are 35 snowfall days, and 15.04" (382mm) of snow is accumulated.

What is the month with the least sunshine in Winterset?

The month with the least sunshine in Winterset, Iowa, is January, with an average of 4.4h of sunshine.

When is the lowest UV index in Winterset?

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

When does it snow the most in Winterset?

February is the month with the most snowfall in Winterset. Snow falls for 8.3 days and accumulates 4.53" (115mm) of snow.

What is the wettest month in Winterset?

May is the month with the most rainfall in Winterset. Rain falls for 17.5 days and accumulates 3.98" (101mm) of precipitation.

When it does not snow in Winterset?

In Winterset snow does not fall in June through September.

When are the longest days in Winterset?

With an average of 15.1h of daylight, June has the longest days of the year in Winterset.

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

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

What is the warmest month in Winterset?

The warmest month in Winterset, Iowa, is July, with an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 65.1°F (18.4°C).

What month has the most sunshine in Winterset?

July has the most sunshine of the year in Winterset, Iowa, with an average of 10.3h of sunshine.

What is the least humid month in Winterset?

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

What is the month with the shortest days in Winterset?

December has the shortest days of the year, with an average of 9.2h of daylight.

Average temperature
Winterset, IA

Average temperature - Winterset, IA

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (28.8°F).

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure
Winterset, IA

Average pressure - Winterset, IA

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

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Average wind speed
Winterset, IA

Average wind speed - Winterset, IA

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity
Winterset, IA

Average humidity - Winterset, IA

Months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall
Winterset, IA

Average rainfall - Winterset, IA

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days
Winterset, IA

Average rainfall days - Winterset, IA

The month with the highest number of rainy days is June (17.9 days).
Months with the least rainy days are January and February (3.8 days).

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Average snowfall
Winterset, IA

Average snowfall - Winterset, IA

The month with the highest snowfall is February (4.53").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Winterset, IA

Average snowfall days - Winterset, IA

The month with the highest number of snowfall days is January (9.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Winterset, IA

Average daylight / Average sunshine - Winterset, IA

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 4.4h).

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Average sunshine days
Winterset, IA

Average sunshine days - Winterset, IA

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index
Winterset, IA

Average UV index - Winterset, IA

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

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Average visibility
Winterset, IA

Average visibility - Winterset, IA

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

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