Climate and monthly weather forecast
Wilton, IA

Weather in January

January, like December, is a freezing cold winter month in Wilton, Iowa, with an average temperature fluctuating between 15.3°F (-9.3°C) and 27.7°F (-2.4°C). January is the coldest month, with an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 15.3°F (-9.3°C). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in Wilton, Iowa, with an average temperature fluctuating between 32.4°F (0.2°C) and 19.4°F (-7°C). In February, the average high-temperature is almost the same as in January - a wintry 32.4°F (0.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Wilton, Iowa, with an average temperature varying between 46.6°F (8.1°C) and 31.8°F (-0.1°C). In Wilton, Iowa, the average high-temperature in March rises from a cold 32.4°F (0.2°C) in February to a frosty 46.6°F (8.1°C). Weather in March »

Weather in April

April in Wilton, Iowa, is a moderate spring month, with an average temperature fluctuating between 58.6°F (14.8°C) and 42.4°F (5.8°C). In Wilton, Iowa, the average high-temperature in April rises from a chilly 46.6°F (8.1°C) in March to a moderate 58.6°F (14.8°C). Weather in April »

Weather in May

May, the last month of the spring in Wilton, is an agreeable month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 69.8°F (21°C). In May, the average high-temperature increases from a moderate 58.6°F (14.8°C) in April to an agreeable 69.8°F (21°C). Weather in May »

Weather in June

June, the first month of the summer in Wilton, is a warm month, with an average temperature varying between 62.1°F (16.7°C) and 78.8°F (26°C). In Wilton, the average high-temperature in June rises from an agreeable 69.8°F (21°C) in May to a warm 78.8°F (26°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Wilton, Iowa, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 64.6°F (18.1°C). The warmest month is July, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.6°F (18.1°C). The average heat index in July is calculated to be a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Wilton, Iowa, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 62.4°F (16.9°C). In Wilton, the average high-temperature in August is essentially the same as in July - a still warm 80.4°F (26.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Wilton, is also a moderately hot month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 55.9°F (13.3°C). In Wilton, the average high-temperature in September is essentially the same as in August - a still moderately hot 75.2°F (24°C). Weather in September »

Weather in October

October, like September, in Wilton, Iowa, is another comfortable autumn month, with an average temperature ranging between max 61°F (16.1°C) and min 44.8°F (7.1°C). In October, the average high-temperature decreases from a warm 75.2°F (24°C) in September to an enjoyable 61°F (16.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Wilton, is another chilly month, with an average temperature ranging between max 46.4°F (8°C) and min 32.9°F (0.5°C). In November, the average high-temperature declines considerably from a comfortable 61°F (16.1°C) in October to a chilly 46.4°F (8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Wilton, Iowa, with an average temperature varying between 23°F (-5°C) and 34°F (1.1°C). In Wilton, the average high-temperature in December drops from a chilly 46.4°F (8°C) in November to a wintry 34°F (1.1°C). Weather in December »
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FAQ

What is the coldest month in Wilton?

The coldest month in Wilton, Iowa, is January, with an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 15.3°F (-9.3°C).

How many days does it rain in Wilton?

In Wilton, Iowa, during the entire year, the rain falls for 136.1 days and collects up to 27.8" (706mm) of precipitation.

When does it snow in Wilton?

Months with snowfall in Wilton are January through April, October through December.

When does it snow the most in Wilton?

The month with the most snowfall in Wilton is January, when snow falls for 11.2 days and typically aggregates up to 4.21" (107mm) of snow.

How much does it snow in Wilton?

In Wilton, Iowa, during the entire year, snow falls for 34.4 days and aggregates up to 13.19" (335mm) of snow.

What is the month with the least sunshine in Wilton?

January has the least sunshine of the year, with an average of 4h of sunshine.

What are the months with the lowest UV index in Wilton?

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

What is the driest month in Wilton?

The month with the least rainfall is February, when the rain falls for 4.9 days and typically collects 1.14" (29mm) of precipitation.

When is Daylight Saving Time (DST) in Wilton?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Wilton, Iowa, 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 Wilton?

May is the month with the most rainfall in Wilton, Iowa. Rain falls for 17.3 days and accumulates 4.57" (116mm) of precipitation.

When it does not snow in Wilton?

May through September are months without snowfall in Wilton, Iowa.

When are the longest days in Wilton?

The month with the longest days in Wilton, Iowa, is June, with an average of 15h and 8min of daylight.

What is the warmest month in Wilton?

The warmest month is July, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.6°F (18.1°C).

What is the most humid month in Wilton?

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

What month has the most sunshine in Wilton?

The month with the most sunshine in Wilton is July, with an average of 10.1h of sunshine.

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

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the least humid month in Wilton?

With an average relative humidity of 72%, October is the least humid month in Wilton.

What is the month with the shortest days in Wilton?

With an average of 9h and 13min of daylight, December has the shortest days of the year in Wilton, Iowa.

Average pressure
Wilton, IA

Average pressure - Wilton, IA

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Wilton, IA

Average wind speed - Wilton, 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 (6.8mph).

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Average rainfall
Wilton, IA

Average rainfall - Wilton, IA

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days
Wilton, IA

Average rainfall days - Wilton, IA

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.4 days).

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Average snowfall
Wilton, IA

Average snowfall - Wilton, IA

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Wilton, IA

Average snowfall days - Wilton, IA

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Wilton, IA

Average daylight / Average sunshine - Wilton, IA

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 13min).

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days
Wilton, IA

Average sunshine days - Wilton, IA

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (11.8 days).

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Average visibility
Wilton, IA

Average visibility - Wilton, IA

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

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