April weather forecast
Greenfield, WI

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Weather in April

April sees a noticeable uplift in Greenfield's weather, as spring reveals its full bloom. Temperatures continue on an upward trajectory, and dramatically, the environment transitions from being snowy to being rainy. Vibrant greens start covering the landscape as the city receives a peak rainfall of 2.13" (54mm). Keep an umbrella handy this month, as April showers are a common occurrence. Amid the occasional downpour, residents enjoy a mix of warm days and cool nights - a classic sign of Midwestern spring.

Temperature

Greenfield's weather in April presents a rise in the average high-temperature, moving from a wintry 40.3°F (4.6°C) in March to a cool 50°F (10°C). Greenfield records an average low-temperature of 37.9°F (3.3°C) throughout the month of April.

Humidity

In April, the average relative humidity is 76%.

Rainfall

In Greenfield, during April, the rain falls for 12.8 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 126 rainfall days, and 19.37" (492mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.1 snowfall days, in April, Greenfield aggregates 0.83" (21mm) of snow. In Greenfield, during the entire year, snow falls for 43.6 days and aggregates up to 11.22" (285mm) of snow.

Daylight

In Greenfield, Wisconsin, the average length of the day in April is 13h and 26min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:46 am and sunset at 7:52 pm CDT.

Sunshine

In April, the average sunshine is 7.3h.

UV index

In Greenfield, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 3 suggests this advice:
Undertake protective steps - Preventing sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Greenfield?

In April, the average high-temperature and low-temperature are 50°F (10°C) and 37.9°F (3.3°C) respectively.

What is the average humidity in April?

In April, the average relative humidity is 76%.

How much does it rain in April?

In Greenfield, during April, the rain falls for 12.8 days and regularly aggregates up to 2.13" (54mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 2.1 snowfall days, in April, Greenfield aggregates 0.83" (21mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 26min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:32 am and sunset at 7:18 pm. On the last day of the month, in Greenfield, sunrise is at 5:46 am and sunset at 7:52 pm CDT.

How many hours of sunshine does Greenfield have in April?

In April, the average sunshine duration is 7.3h.

How high is the UV index in April?

In Greenfield, Wisconsin, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Greenfield, WI

Average temperature in April - Greenfield, WI
  • Average high temperature in April: 50°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in April: 37.9°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in April
Greenfield, WI

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

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Greenfield, WI

Average wind speed in April - Greenfield, WI
  • Average wind speed in April: 10.4mph

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in April
Greenfield, WI

Average humidity in April - Greenfield, WI
  • Average humidity in April: 76%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).

Average rainfall in April
Greenfield, WI

Average rainfall in April - Greenfield, WI
  • Average rainfall in April: 2.13"

The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are February and December (0.83").

Average rainfall days in April
Greenfield, WI

Average rainfall days in April - Greenfield, WI
  • Average rainfall days in April: 12.8 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in April
Greenfield, WI

Average snowfall in April - Greenfield, WI
  • Average snowfall in April: 0.83"

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Greenfield, WI

Average snowfall days in April - Greenfield, WI
  • Average snowfall days in April: 2.1 days

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Greenfield, 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: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in April
Greenfield, WI

Average sunshine days in April - Greenfield, WI
  • Average sunshine days in April: 13.8 days

The month with the most sunshine days is November (17.4 days).
The months with the least sunshine days are July and August (12.7 days).

Average UV index in April
Greenfield, WI

Average UV index in April - Greenfield, WI
  • Average UV index in April: 3

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

Average cloud cover in April
Greenfield, WI

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

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in April
Greenfield, WI

Average visibility in April - Greenfield, 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).

Greenfield, Wisconsin, USA

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