April weather forecast
Merrillan, WI

Weather in April

April in Merrillan, Wisconsin, is a cool spring month, with an average temperature varying between 35.2°F (1.8°C) and 51.8°F (11°C).

Temperature

In April, the average high-temperature increases from a cold 39.4°F (4.1°C) in March to a cool 51.8°F (11°C). In Merrillan, the average low-temperature is 35.2°F (1.8°C).

Humidity

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

Rainfall

In Merrillan, in April, during 14.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Merrillan, Wisconsin, 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 April, it is snowing for 4 days. Throughout April, 1.46" (37mm) of snow is accumulated. In Merrillan, Wisconsin, during the entire year, snow falls for 62.1 days and aggregates up to 13.11" (333mm) of snow.

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 6:43 am and sunset at 7:30 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

In April, the average daily maximum UV index in Merrillan is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the least humid month in Merrillan?

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

What is the average humidity in April in Merrillan?

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

How much does it rain in Merrillan in April?

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

How many days does it snow in April in Merrillan?

In Merrillan, Wisconsin, during April, snow falls for 4 days and regularly aggregates up to 1.46" (37mm) of snow.

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

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

What time are sunrise and sunset in April in Merrillan?

On the first day of April in Merrillan, Wisconsin, sunrise is at 6:43 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:06 pm CDT.

How many hours of sunshine does Merrillan have in April?

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

How high is the UV index in April in Merrillan?

The average daily maximum UV index in April in Merrillan, Wisconsin, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
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 30min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 7h and 12min

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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