April weather forecast
West Union, IA

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Weather in April

April in West Union, Iowa, is a fresh spring month, with an average temperature fluctuating between 54.5°F (12.5°C) and 37.9°F (3.3°C).

Temperature

A rise in the average high-temperature is observed during April, moving from an icy 41.9°F (5.5°C) in March to a fresh 54.5°F (12.5°C). In the month of April, West Union witnesses a consistent average low-temperature of 37.9°F (3.3°C).

Humidity

The months with the lowest humidity are April and October, with an average relative humidity of 75%.

Rainfall

In West Union, during April, the rain falls for 16.1 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 146.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In West Union, during April, snow falls for 3.3 days and regularly aggregates up to 1.69" (43mm) of snow. Throughout the year, there are 59.9 snowfall days, and 24.84" (631mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 26min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:34 pm. On the last day of April, sunrise is at 6:01 am and sunset at 8:07 pm CDT.

Sunshine

In April, the average sunshine is 7.3h.

UV index

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In April, an average UV index of 3 transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

During April, West Union experiences an average high-temperature of 54.5°F (12.5°C) and a low-temperature of 37.9°F (3.3°C).

What is the least humid month?

The months with the lowest humidity are April and October, with an average relative humidity of 75%.

What is the average humidity in April?

The average relative humidity in April is 75%.

How much does it rain in April?

In West Union, in April, it is raining for 16.1 days, with typically 3.5" (89mm) of accumulated precipitation.

How much does it snow in April?

In April, it is snowing for 3.3 days. Throughout April, 1.69" (43mm) of snow is accumulated.

How many hours of daylight does West Union have in April?

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

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:47 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:07 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration is 7.3h.

What is the UV index reading in April?

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents 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
West Union, IA

Average temperature in April - West Union, IA
  • Average high temperature in April: 54.5°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in April: 37.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

Average pressure in April
West Union, IA

Average pressure in April - West Union, IA
  • Average pressure in April: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in April
West Union, IA

Average wind speed in April - West Union, IA
  • Average wind speed in April: 10.7mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in April
West Union, IA

Average humidity in April - West Union, IA
  • Average humidity in April: 75%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in April
West Union, IA

Average rainfall in April - West Union, IA
  • Average rainfall in April: 3.5"

The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in April
West Union, IA

Average rainfall days in April - West Union, IA
  • Average rainfall days in April: 16.1 days

The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in April
West Union, IA

Average snowfall in April - West Union, IA
  • Average snowfall in April: 1.69"

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
West Union, IA

Average snowfall days in April - West Union, IA
  • Average snowfall days in April: 3.3 days

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
West Union, IA

Average daylight in April / Average sunshine in April - West Union, IA
  • 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 month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in April
West Union, IA

Average sunshine days in April - West Union, IA
  • Average sunshine days in April: 9.9 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.9 days).

Average UV index in April
West Union, IA

Average UV index in April - West Union, IA
  • 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 and December (UV index 1).

Average cloud cover in April
West Union, IA

Average cloud cover in April - West Union, IA
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in April
West Union, IA

Average visibility in April - West Union, IA
  • Average visibility in April: 6mi

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

West Union, Iowa, USA

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