April weather forecast
Black River Falls, WI

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Weather in April

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

Temperature

With the beginning of April, Black River Falls's average high-temperature sees an increase, transitioning from a wintry 39.4°F (4.1°C) in March to a fresh 51.8°F (11°C). During the nights in April, Black River Falls observes an average low-temperature of 35.2°F (1.8°C).

Humidity

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

Rainfall

In Black River Falls, in April, it is raining for 14.5 days, with typically 1.54" (39mm) of accumulated precipitation. In Black River Falls, 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 Black River Falls, Wisconsin, during April, snow falls for 4 days and regularly aggregates up to 1.46" (37mm) of snow. Throughout the year, there are 62.1 snowfall days, and 13.11" (333mm) of snow is accumulated.

Daylight

In Black River Falls, the average length of the day in April is 13h and 29min.
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 Black River Falls, sunrise is at 5:54 am and sunset at 8:06 pm CDT.

Sunshine

In Black River Falls, Wisconsin, the average sunshine in April is 7.2h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature in Black River Falls?

The high-temperature, in April, in Black River Falls, records 51.8°F (11°C), while the low-temperature is 35.2°F (1.8°C).

What is the least humid month in Black River Falls?

With an average relative humidity of 77%, April is the least humid month in Black River Falls, Wisconsin.

What is the average humidity in April in Black River Falls?

The average relative humidity in April in Black River Falls is 77%.

How many days does it rain in April in Black River Falls?

In Black River Falls, in April, it is raining for 14.5 days, with typically 1.54" (39mm) of accumulated precipitation.

How much does it snow in Black River Falls in April?

In Black River Falls, 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 Black River Falls?

In Black River Falls, the average day length in April is 13h and 29min.

What time are sunrise and sunset in April in Black River Falls?

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

How many hours of sunshine does Black River Falls have in April?

In April, the average sunshine duration in Black River Falls is 7.2h.

What is the UV index reading in April in Black River Falls?

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Black River Falls, WI

Average temperature in April - Black River Falls, 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).

Average pressure in April
Black River Falls, WI

Average pressure in April - Black River Falls, 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).

Average wind speed in April
Black River Falls, WI

Average wind speed in April - Black River Falls, 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).

Average humidity in April
Black River Falls, WI

Average humidity in April - Black River Falls, 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%).

Average rainfall in April
Black River Falls, WI

Average rainfall in April - Black River Falls, 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").

Average rainfall days in April
Black River Falls, WI

Average rainfall days in April - Black River Falls, 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).

Average snowfall in April
Black River Falls, WI

Average snowfall in April - Black River Falls, 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").

Average snowfall days in April
Black River Falls, WI

Average snowfall days in April - Black River Falls, 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).

Average daylight in April /
Average sunshine in April
Black River Falls, WI

Average daylight in April / Average sunshine in April - Black River Falls, 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).

Average sunshine days in April
Black River Falls, WI

Average sunshine days in April - Black River Falls, 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).

Average UV index in April
Black River Falls, WI

Average UV index in April - Black River Falls, 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).

Average cloud cover in April
Black River Falls, WI

Average cloud cover in April - Black River Falls, 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).

Average visibility in April
Black River Falls, WI

Average visibility in April - Black River Falls, 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).

Black River Falls, Wisconsin, USA

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