Climate and monthly weather forecast
Clayton, WI

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Weather in January

January, like December, is another subzero cold winter month in Clayton, Wisconsin, with an average temperature fluctuating between 5°F (-15°C) and 18°F (-7.8°C). Clayton witnesses the coldest weather in January, with temperatures averaging a high of 18°F (-7.8°C) and a low of 5°F (-15°C). Weather in January »

Weather in February

February, the last month of the winter in Clayton, is another freezing cold month, with temperature in the range of an average low of 7.9°F (-13.4°C) and an average high of 22.1°F (-5.5°C). Clayton's February showcases an average high-temperature of a still freezing cold 22.1°F (-5.5°C), hardly distinct from January's 18°F (-7.8°C). Weather in February »

Weather in March

March, the first month of the spring in Clayton, is an icy month, with an average temperature varying between 23.2°F (-4.9°C) and 37°F (2.8°C). Clayton experiences a clear temperature upsurge in March, with average high-temperatures moving from a freezing cold 22.1°F (-5.5°C) in February to a cold 37°F (2.8°C). Weather in March »

Weather in April

April in Clayton, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 50.5°F (10.3°C) and 34.3°F (1.3°C). Clayton sees an increase in average high-temperatures during April, moving from a wintry 37°F (2.8°C) in March to a cool 50.5°F (10.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Clayton, Wisconsin, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 46.4°F (8°C). Clayton's transition into May brings a rise in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in April to a refreshing 64°F (17.8°C). Weather in May »

Weather in June

June, the first month of the summer in Clayton, is a pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 55.8°F (13.2°C). Clayton's weather in June presents a rise in the average high-temperature, moving from an enjoyable 64°F (17.8°C) in May to a pleasant 73°F (22.8°C). Weather in June »

Weather in July

July in Clayton, Wisconsin, is a moderately hot summer month, with an average temperature ranging between max 78.3°F (25.7°C) and min 59.9°F (15.5°C). July is the month when Clayton sees the highest average temperatures, with a high of 78.3°F (25.7°C) and a low of 59.9°F (15.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Clayton, Wisconsin, with an average temperature ranging between max 75.9°F (24.4°C) and min 57.7°F (14.3°C). August reports an average high-temperature of a still moderately hot 75.9°F (24.4°C), slightly varied from July's 78.3°F (25.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Clayton, is still a pleasant month, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 69.1°F (20.6°C). In the transition to September, Clayton observes a minor drop in the average high-temperature, shifting from a moderately hot 75.9°F (24.4°C) in August to a pleasant 69.1°F (20.6°C). Weather in September »

Weather in October

October, like September, in Clayton, Wisconsin, is a cool autumn month, with an average temperature fluctuating between 38.3°F (3.5°C) and 53.2°F (11.8°C). As Clayton welcomes October, there is a noticeable shift in the average high-temperature, dropping from September's pleasant 69.1°F (20.6°C) to a fresh 53.2°F (11.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an icy month in Clayton, Wisconsin, with an average temperature varying between 25.9°F (-3.4°C) and 37.9°F (3.3°C). The shift from October to November is characterized by a clear decrease in the average high-temperature, reducing from a fresh 53.2°F (11.8°C) to a wintry 37.9°F (3.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Clayton, Wisconsin, with an average temperature varying between 23.7°F (-4.6°C) and 12.9°F (-10.6°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a cold 37.9°F (3.3°C) to a subzero cold 23.7°F (-4.6°C). Weather in December »
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January, marked by an average high-temperature of 18°F (-7.8°C) and a low-temperature of 5°F (-15°C), is the coldest month in Clayton.

What is the most humid month?

The most humid month is January, with an average relative humidity of 92%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.67" (17mm) of precipitation.

How many days does it rain?

Throughout the year, there are 128.1 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

In Clayton, during the entire year, snow falls for 74.5 days and aggregates up to 24.06" (611mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 2.7h of sunshine.

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

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 least humid month in Clayton?

With an average relative humidity of 76%, April is the least humid month.

What is the wettest month in Clayton?

The month with the most rainfall in Clayton is June, when the rain falls for 18 days and typically aggregates up to 3.86" (98mm) of precipitation.

When it does not snow?

In Clayton, snow does not fall in June through September.

When are the longest days?

The month with the longest days is June, with an average of 15h and 36min of daylight.

What is the hottest time of year?

July, recording an average high temperature of 78.3°F (25.7°C) and a low temperature of 59.9°F (15.5°C), is Clayton's warmest month.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 9.7h of sunshine.

What is the month with the highest UV index?

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

When does it snow the most?

The month with the most snowfall is December, when snow falls for 14.7 days and typically aggregates up to 4.8" (122mm) of snow.

What is the month with the shortest days?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

Average pressure
Clayton, WI

Average pressure - Clayton, WI

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Clayton, WI

Average wind speed - Clayton, WI

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity
Clayton, WI

Average humidity - Clayton, WI

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).

Average rainfall
Clayton, WI

Average rainfall - Clayton, WI

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days
Clayton, WI

Average rainfall days - Clayton, WI

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (2.7 days).

Average snowfall
Clayton, WI

Average snowfall - Clayton, WI

The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Clayton, WI

Average snowfall days - Clayton, WI

The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Clayton, WI

Average daylight / Average sunshine - Clayton, WI

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days
Clayton, WI

Average sunshine days - Clayton, WI

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.3 days).

Average UV index
Clayton, WI

Average UV index - Clayton, WI

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average visibility
Clayton, WI

Average visibility - Clayton, WI

The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

Clayton, Wisconsin, USA

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