April weather forecast
Sheboygan, WI

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Weather in April

In April, Sheboygan fully transitions into spring, characterized by warmer weather and blooming flora. There is a marked shift in average temperatures, peaking up to 44.8°F (7.1°C) from March's high of 36.5°F (2.5°C). The city experiences more rainfall, replacing the icy winter snow. Longer daylight hours in April boost the much-needed solar warmth. The frequency and intensity of winds moderate, providing a comfortable airflow.

Temperature

As Sheboygan, Wisconsin, transitions into April, a marginal rise in the average high-temperature is observed, moving from a wintry 36.5°F (2.5°C) in March to a frosty 44.8°F (7.1°C). Nighttime readings during April register a minimal drop from daytime highs, averaging at an icy 36.7°F (2.6°C).

Humidity

The average relative humidity in April in Sheboygan is 79%.

Rainfall

In Sheboygan, Wisconsin, in April, during 15.9 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 143.2 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows in Sheboygan. During 2.2 snowfall days, in April, Sheboygan aggregates 0.75" (19mm) of snow. In Sheboygan, during the entire year, snow falls for 41.5 days and aggregates up to 10.94" (278mm) of snow.

Daylight

The average length of the day in April in Sheboygan is 13h and 28min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:18 pm. On the last day of April, in Sheboygan, Wisconsin, sunrise is at 5:43 am and sunset at 7:52 pm CDT.

Sunshine

The average sunshine in April in Sheboygan is 7.7h.

UV index

In April, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 2 translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are April temperatures in Sheboygan?

The high-temperature, in April, in Sheboygan, records 44.8°F (7.1°C), while the low-temperature is 36.7°F (2.6°C).

What is the average humidity in April in Sheboygan?

The average relative humidity in April is 79%.

How much does it rain in Sheboygan in April?

In Sheboygan, Wisconsin, in April, during 15.9 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

What is the last month it snows in Sheboygan?

April is the last month it regularly snows in Sheboygan, Wisconsin. During 2.2 snowfall days, in April, Sheboygan aggregates 0.75" (19mm) of snow.

What is the average length of the day in April in Sheboygan?

The average day length in April is 13h and 28min.

When are sunrise and sunset in April in Sheboygan?

In April, on the first day of the month, sunrise is at 6:30 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 7:52 pm CDT.

How long on average sun shines in April in Sheboygan?

The average sunshine duration in April in Sheboygan, Wisconsin, is 7.7h.

What is the UV index reading in April in Sheboygan?

In Sheboygan, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Sheboygan, WI

Average temperature in April - Sheboygan, WI
  • Average high temperature in April: 44.8°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in April: 36.7°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

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Average pressure in April
Sheboygan, WI

Average pressure in April - Sheboygan, WI
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in April
Sheboygan, WI

Average wind speed in April - Sheboygan, WI
  • Average wind speed in April: 12.4mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

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Average humidity in April
Sheboygan, WI

Average humidity in April - Sheboygan, WI
  • Average humidity in April: 79%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are October and November (77%).

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Average rainfall in April
Sheboygan, WI

Average rainfall in April - Sheboygan, WI
  • Average rainfall in April: 2.87"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.18").

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Average rainfall days in April
Sheboygan, WI

Average rainfall days in April - Sheboygan, WI
  • Average rainfall days in April: 15.9 days

The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in April
Sheboygan, WI

Average snowfall in April - Sheboygan, WI
  • Average snowfall in April: 0.75"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Sheboygan, WI

Average snowfall days in April - Sheboygan, WI
  • Average snowfall days in April: 2.2 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Sheboygan, WI

Average daylight in April / Average sunshine in April - Sheboygan, WI
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in April
Sheboygan, WI

Average sunshine days in April - Sheboygan, WI
  • Average sunshine days in April: 11.1 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (11.1 days).

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Average UV index in April
Sheboygan, WI

Average UV index in April - Sheboygan, WI
  • Average UV index in April: 2

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

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Average cloud cover in April
Sheboygan, WI

Average cloud cover in April - Sheboygan, WI
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in April
Sheboygan, WI

Average visibility in April - Sheboygan, WI
  • Average visibility in April: 6mi

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

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Sheboygan, Wisconsin, USA

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