Climate and monthly weather forecast
Delavan, WI

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Weather in January

January, like December, is a freezing cold winter month in Delavan, Wisconsin, with an average temperature fluctuating between 24.8°F (-4°C) and 12.9°F (-10.6°C). During the coldest month, January, temperatures average a high of 24.8°F (-4°C) and a low of 12.9°F (-10.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Delavan, Wisconsin, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 16.2°F (-8.8°C). The initiation of February records an average high-temperature of a still freezing cold 28.9°F (-1.7°C), displaying a near consistency with the previous month. Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Delavan, Wisconsin, with an average temperature ranging between min 28°F (-2.2°C) and max 42.4°F (5.8°C). The arrival of March brings an increase in high-temperatures, moving from a subzero cold 28.9°F (-1.7°C) in February to a cold 42.4°F (5.8°C). Weather in March »

Weather in April

April is a cool spring month in Delavan, Wisconsin, with an average temperature fluctuating between 54.1°F (12.3°C) and 37.9°F (3.3°C). The transition to April introduces an increase in the average high-temperature, shifting from an icy 42.4°F (5.8°C) in March to a cool 54.1°F (12.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Delavan, Wisconsin, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 48.9°F (9.4°C). The average high-temperature increases in May, moving from a fresh 54.1°F (12.3°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

June, the first month of the summer in Delavan, is a moderately hot month, with an average temperature varying between 75.9°F (24.4°C) and 57.9°F (14.4°C). June's arrival brings a temperature shift, moving from a refreshing 66.7°F (19.3°C) in May to a warm 75.9°F (24.4°C). Weather in June »

Weather in July

July, like June, in Delavan, Wisconsin, is another warm summer month, with an average temperature varying between 62.2°F (16.8°C) and 79.3°F (26.3°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 79.3°F (26.3°C) and a low of 62.2°F (16.8°C). Weather in July »

Weather in August

August, the last month of the summer in Delavan, is another warm month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 77.5°F (25.3°C). Delavan indicates an average high-temperature of a still moderately hot 77.5°F (25.3°C) in August, showing minor variation from July's 79.3°F (26.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Delavan, is still a pleasant month, with an average temperature varying between 52.9°F (11.6°C) and 71.8°F (22.1°C). With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.8°F (22.1°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Delavan, Wisconsin, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 58.3°F (14.6°C). October involves a decrease in temperature, down from an agreeable 71.8°F (22.1°C) in September to a refreshing 58.3°F (14.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Delavan, is another chilly month, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 30.6°F (-0.8°C). The shift into November is characterized by a noticeable reduction in the average high-temperature, decreasing from October's moderate 58.3°F (14.6°C) to a frosty 43.7°F (6.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Delavan, Wisconsin, with an average temperature ranging between min 21.4°F (-5.9°C) and max 31.5°F (-0.3°C). The start of December comes with a reduction in the average high-temperature, receding from a chilly 43.7°F (6.5°C) in November to a subzero cold 31.5°F (-0.3°C). Weather in December »
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Frequently asked questions

What month is the coldest in Delavan?

January stands out as Delavan's coldest month, with an average high-temperature of 24.8°F (-4°C) and a low-temperature of 12.9°F (-10.6°C).

What is the most humid month in Delavan?

With an average relative humidity of 87%, January is the most humid month in Delavan, Wisconsin.

What is the driest month in Delavan?

The months with the least rainfall are January and December Rain falls for 3.8 days and accumulates 0.79" (20mm) of rain.

How many days does it rain in Delavan?

Throughout the year, in Delavan, Wisconsin, there are 132.3 rainfall days, and 18.7" (475mm) of precipitation is accumulated.

When does it snow in Delavan?

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

What is the snowiest month in Delavan?

January is the month with the most snowfall in Delavan. Snow falls for 13.4 days and accumulates 3.35" (85mm) of snow.

How many days does it snow in Delavan?

Throughout the year, there are 47.5 snowfall days, and 11.81" (300mm) of snow is accumulated.

What is the month with the least sunshine in Delavan?

The month with the least sunshine is January, with an average of 3.5h of sunshine.

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

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

When is Daylight Saving Time (DST) in Delavan?

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

The months with the lowest humidity in Delavan are April and October, with an average relative humidity of 77%.

When it does not snow in Delavan?

May through September are months without snowfall.

When is the highest UV index in Delavan?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Delavan, Wisconsin.

When are the longest days in Delavan?

The month with the longest days in Delavan is June, with an average of 15h and 18min of daylight.

What are the warmest months in Delavan?

Delavan records the warmest temperatures in July, averaging a high of 79.3°F (26.3°C) and a low of 62.2°F (16.8°C).

What is the wettest month in Delavan?

July is the month with the most rainfall in Delavan. Rain falls for 17.4 days and accumulates 2.56" (65mm) of precipitation.

What are the months with the most sunshine in Delavan?

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Delavan, Wisconsin.

What is the month with the shortest days in Delavan?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

Average temperature
Delavan, WI

Average temperature - Delavan, WI

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure
Delavan, WI

Average pressure - Delavan, WI

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Delavan, WI

Average wind speed - Delavan, WI

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity
Delavan, WI

Average humidity - Delavan, WI

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall
Delavan, WI

Average rainfall - Delavan, WI

The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").

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Average rainfall days
Delavan, WI

Average rainfall days - Delavan, WI

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).

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Average snowfall
Delavan, WI

Average snowfall - Delavan, WI

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Delavan, WI

Average snowfall days - Delavan, WI

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Delavan, WI

Average daylight / Average sunshine - Delavan, WI

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days
Delavan, WI

Average sunshine days - Delavan, WI

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index
Delavan, WI

Average UV index - Delavan, WI

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average visibility
Delavan, WI

Average visibility - Delavan, WI

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

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Delavan, Wisconsin, USA

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