April weather forecast
Merrillan, WI

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Weather in April

April in Merrillan, Wisconsin brings conditions more conducive to outdoor activities as the spring advances. The temperature range widens, making it substantially warmer with an up to 51.8°F (11°C) recorded. The rainfall increases significantly, clocking in 1.54" (39mm), heralding the onset of the wetter seasons. Days become longer and the increased sunshine hours contribute to the warmer feel of the town. Despite the persistent precipitation, snow ceases to be a dominant feature in the weather mix, signaling winter's exit.

Temperature

The arrival of April in Merrillan signals an increase in the average high-temperature, moving from a cold 39.4°F (4.1°C) in March to a fresh 51.8°F (11°C). Merrillan encounters a steady low-temperature average of 35.2°F (1.8°C) throughout the month of April.

Humidity

April is the least humid month in Merrillan, with an average relative humidity of 77%.

Rainfall

In April, the rain falls for 14.5 days. Throughout April, 1.54" (39mm) of precipitation is accumulated. In Merrillan, during the entire year, the rain falls for 120.8 days and collects up to 16.34" (415mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Merrillan, in April, snow falls for 4 days, with typically accumulated 1.46" (37mm) of snow. Throughout the year, there are 62.1 snowfall days, and 13.11" (333mm) of snow is accumulated.

Daylight

In Merrillan, the average length of the day in April is 13h and 30min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:31 pm. On the last day of April, in Merrillan, sunrise is at 5:54 am and sunset at 8:06 pm CDT.

Sunshine

The average sunshine in April in Merrillan is 7.2h.

UV index

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the maximum UV index of 3 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What are April temperatures in Merrillan?

In Merrillan, 51.8°F (11°C) is the average high-temperature and 35.2°F (1.8°C) is the average low-temperature during April.

What is the least humid month in Merrillan?

April is the least humid month in Merrillan, with an average relative humidity of 77%.

What is the average humidity in April in Merrillan?

In Merrillan, the average relative humidity in April is 77%.

How many days does it rain in April in Merrillan?

In April, in Merrillan, Wisconsin, the rain falls for 14.5 days. Throughout April, 1.54" (39mm) of precipitation is accumulated.

How much does it snow in Merrillan in April?

In Merrillan, in April, snow falls for 4 days, with typically accumulated 1.46" (37mm) of snow.

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

In April, the average day length in Merrillan is 13h and 30min.

When are sunrise and sunset in April in Merrillan?

On the first day of April in Merrillan, sunrise is at 6:42 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:06 pm CDT.

How long on average sun shines in April in Merrillan?

In April, the average sunshine duration in Merrillan, Wisconsin, is 7.2h.

What is the UV index intensity in April in Merrillan?

The average daily maximum UV index in April in Merrillan is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Merrillan, WI

Average temperature in April - Merrillan, WI
  • Average high temperature in April: 51.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in April: 35.2°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in April
Merrillan, WI

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

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in April
Merrillan, WI

Average wind speed in April - Merrillan, WI
  • Average wind speed in April: 9.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in April
Merrillan, WI

Average humidity in April - Merrillan, WI
  • Average humidity in April: 77%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in April
Merrillan, WI

Average rainfall in April - Merrillan, WI
  • Average rainfall in April: 1.54"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in April
Merrillan, WI

Average rainfall days in April - Merrillan, WI
  • Average rainfall days in April: 14.5 days

The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in April
Merrillan, WI

Average snowfall in April - Merrillan, WI
  • Average snowfall in April: 1.46"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Merrillan, WI

Average snowfall days in April - Merrillan, WI
  • Average snowfall days in April: 4 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 7h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in April
Merrillan, WI

Average sunshine days in April - Merrillan, WI
  • Average sunshine days in April: 12.4 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in April
Merrillan, WI

Average UV index in April - Merrillan, 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, February, November and December (UV index 1).

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Average cloud cover in April
Merrillan, WI

Average cloud cover in April - Merrillan, WI
  • Average cloud cover in April: 52

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in April
Merrillan, WI

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

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

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Merrillan, Wisconsin, USA

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