April weather forecast
Delavan Lake, WI

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Weather in April

April is a cool spring month in Delavan Lake, Wisconsin, with an average temperature fluctuating between 54.1°F (12.3°C) and 37.9°F (3.3°C).

Temperature

Entering April, Delavan Lake sees a temperature rise, with the average high-temperature advancing from March's wintry 42.4°F (5.8°C) to a fresh 54.1°F (12.3°C). During April, the nighttime temperature averages to a wintry 37.9°F (3.3°C).

Humidity

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

Rainfall

In Delavan Lake, in April, it is raining for 13.7 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 132.3 rainfall days, and 18.7" (475mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows in Delavan Lake. During 2.2 snowfall days, in April, Delavan Lake aggregates 1.1" (28mm) of snow. In Delavan Lake, during the entire year, snow falls for 47.5 days and aggregates up to 11.81" (300mm) of snow.

Daylight

In April, the average length of the day is 13h and 25min.
On the first day of April, sunrise is at 6:35 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:53 pm CDT.

Sunshine

In Delavan Lake, Wisconsin, the average sunshine in April is 7.3h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 3 during April, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Delavan Lake in April?

The high-temperature, in April, in Delavan Lake, is 54.1°F (12.3°C), while the low-temperature averages to 37.9°F (3.3°C).

What is the least humid month?

April and October, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in April?

The average relative humidity in April is 77%.

How many days does it rain in April?

In April, the rain falls for 13.7 days. Throughout April, 2.2" (56mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 2.2 snowfall days, in April, Delavan Lake aggregates 1.1" (28mm) of snow.

How many hours of daylight does Delavan Lake have in April?

In April, the average day length is 13h and 25min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:35 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:53 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration is 7.3h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Delavan Lake, WI

Average temperature in April - Delavan Lake, WI
  • Average high temperature in April: 54.1°F

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).

  • Average low temperature in April: 37.9°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).

Average pressure in April
Delavan Lake, WI

Average pressure in April - Delavan Lake, WI
  • Average pressure in April: 29.95"Hg

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

Average wind speed in April
Delavan Lake, WI

Average wind speed in April - Delavan Lake, WI
  • Average wind speed in April: 9.9mph

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).

Average humidity in April
Delavan Lake, WI

Average humidity in April - Delavan Lake, WI
  • Average humidity in April: 77%

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

Average rainfall in April
Delavan Lake, WI

Average rainfall in April - Delavan Lake, WI
  • Average rainfall in April: 2.2"

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

Average rainfall days in April
Delavan Lake, WI

Average rainfall days in April - Delavan Lake, WI
  • Average rainfall days in April: 13.7 days

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).

Average snowfall in April
Delavan Lake, WI

Average snowfall in April - Delavan Lake, WI
  • Average snowfall in April: 1.1"

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

Average snowfall days in April
Delavan Lake, WI

Average snowfall days in April - Delavan Lake, WI
  • Average snowfall days in April: 2.2 days

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).

Average daylight in April /
Average sunshine in April
Delavan Lake, WI

Average daylight in April / Average sunshine in April - Delavan Lake, WI
  • Average daylight in April: 13h and 2min

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).

  • Average sunshine in April: 7h and 2min

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).

Average sunshine days in April
Delavan Lake, WI

Average sunshine days in April - Delavan Lake, WI
  • Average sunshine days in April: 13.1 days

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

Average UV index in April
Delavan Lake, WI

Average UV index in April - Delavan Lake, WI
  • Average UV index in April: 3

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).

Average cloud cover in April
Delavan Lake, WI

Average cloud cover in April - Delavan Lake, WI
  • Average cloud cover in April: 51

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).

Average visibility in April
Delavan Lake, WI

Average visibility in April - Delavan Lake, WI
  • Average visibility in April: 6mi

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).

Delavan Lake, Wisconsin, USA

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