April weather forecast
Norwalk, WI

Share

Weather in April

April in Norwalk, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 52.3°F (11.3°C) and 35.2°F (1.8°C).

Temperature

The arrival of April signals an increase in the average high-temperature, moving from a wintry 40.1°F (4.5°C) in March to a fresh 52.3°F (11.3°C). Norwalk, in April, observes a steady average low-temperature of 35.2°F (1.8°C).

Humidity

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

Rainfall

In Norwalk, during April, the rain falls for 12.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Norwalk, during the entire year, the rain falls for 112.6 days and collects up to 18.11" (460mm) of precipitation.

Snowfall

Months with snowfall in Norwalk are January through May, October through December. In Norwalk, in April, during 3 snowfall days, 2.05" (52mm) of snow is typically accumulated. Throughout the year, in Norwalk, there are 58.3 snowfall days, and 16.02" (407mm) of snow is accumulated.

Daylight

In Norwalk, the average length of the day in April is 13h and 28min.
On the first day of April in Norwalk, Wisconsin, sunrise is at 6:42 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:04 pm CDT.

Sunshine

In April, the average sunshine in Norwalk is 6.8h.

UV index

In April, the average daily maximum UV index in Norwalk is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In April, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by 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 Norwalk?

In April, the average high-temperature and low-temperature are 52.3°F (11.3°C) and 35.2°F (1.8°C) respectively.

What is the least humid month in Norwalk?

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

What is the average humidity in April in Norwalk?

The average relative humidity in April in Norwalk is 77%.

How much does it rain in Norwalk in April?

In Norwalk, Wisconsin, during April, the rain falls for 12.8 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How many days does it snow in April in Norwalk?

In Norwalk, during April, snow falls for 3 days and regularly aggregates up to 2.05" (52mm) of snow.

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

In April, the average day length in Norwalk is 13h and 28min.

When is the sunrise / sunset in April in Norwalk?

On the first day of April, sunrise is at 6:42 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:04 pm CDT.

How long on average sun shines in April in Norwalk?

In April, the average sunshine duration in Norwalk is 6.8h.

What is the UV index reading in April in Norwalk?

In Norwalk, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents 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
Norwalk, WI

Average temperature in April - Norwalk, WI
  • Average high temperature in April: 52.3°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.4°F).

  • Average low temperature in April: 35.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure in April
Norwalk, WI

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

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
Norwalk, WI

Average wind speed in April - Norwalk, WI
  • Average wind speed in April: 9.3mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in April
Norwalk, WI

Average humidity in April - Norwalk, 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
Norwalk, WI

Average rainfall in April - Norwalk, WI
  • Average rainfall in April: 1.57"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.67").

Average rainfall days in April
Norwalk, WI

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

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.1 days).

Average snowfall in April
Norwalk, WI

Average snowfall in April - Norwalk, WI
  • Average snowfall in April: 2.05"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Norwalk, WI

Average snowfall days in April - Norwalk, WI
  • Average snowfall days in April: 3 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in April: 6h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in April
Norwalk, WI

Average sunshine days in April - Norwalk, WI
  • Average sunshine days in April: 14 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in April
Norwalk, WI

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

Average cloud cover in April
Norwalk, WI

Average cloud cover in April - Norwalk, WI
  • Average cloud cover in April: 54

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in April
Norwalk, WI

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

The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).

Norwalk, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location