April weather forecast
West Branch, IA

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Weather in April

April in West Branch, Iowa, is a refreshing spring month, with an average temperature varying between 42.3°F (5.7°C) and 58.6°F (14.8°C).

Temperature

West Branch sees an increase in average high-temperatures during April, moving from a frosty 46.2°F (7.9°C) in March to a refreshing 58.6°F (14.8°C). During April nights, West Branch records an average temperature of 42.3°F (5.7°C).

Humidity

In West Branch, the average relative humidity in April is 74%.

Rainfall

In West Branch, during April, the rain falls for 14.9 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, in West Branch, Iowa, there are 139.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.

Snowfall

Months with snowfall in West Branch are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, West Branch aggregates 0.67" (17mm) of snow. Throughout the year, in West Branch, there are 34.5 snowfall days, and 16.85" (428mm) of snow is accumulated.

Daylight

The average length of the day in April in West Branch is 13h and 22min.
On the first day of the month, sunrise is at 6:46 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:02 am and sunset at 8:02 pm CDT.

Sunshine

In April, the average sunshine in West Branch, Iowa, is 7.8h.

UV index

In West Branch, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 4 in April translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

What are April temperatures in West Branch?

During April, West Branch experiences an average high-temperature of 58.6°F (14.8°C) and a low-temperature of 42.3°F (5.7°C).

What is the average humidity in April in West Branch?

In April, the average relative humidity in West Branch, Iowa, is 74%.

How much does it rain in West Branch in April?

In West Branch, in April, it is raining for 14.9 days, with typically 3.11" (79mm) of accumulated precipitation.

What is the last month it snows in West Branch?

April is the last month it regularly snows in West Branch, Iowa. During 1.3 snowfall days, in April, West Branch aggregates 0.67" (17mm) of snow.

What is the average length of the day in April in West Branch?

In April, the average day length in West Branch, Iowa, is 13h and 22min.

When is the sunrise / sunset in April in West Branch?

In April, on the first day of the month, sunrise is at 6:46 am and sunset at 7:31 pm. On the last day of the month, in West Branch, Iowa, sunrise is at 6:02 am and sunset at 8:02 pm CDT.

How many hours of sunshine does West Branch have in April?

In April, the average sunshine duration in West Branch is 7.8h.

How high is the UV index in April in West Branch?

In West Branch, Iowa, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
West Branch, IA

Average temperature in April - West Branch, IA
  • Average high temperature in April: 58.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in April: 42.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in April
West Branch, IA

Average pressure in April - West Branch, IA
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
West Branch, IA

Average wind speed in April - West Branch, 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 (6.8mph).

Average humidity in April
West Branch, IA

Average humidity in April - West Branch, IA
  • Average humidity in April: 74%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in April
West Branch, IA

Average rainfall in April - West Branch, IA
  • Average rainfall in April: 3.11"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.3").

Average rainfall days in April
West Branch, IA

Average rainfall days in April - West Branch, IA
  • Average rainfall days in April: 14.9 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in April
West Branch, IA

Average snowfall in April - West Branch, IA
  • Average snowfall in April: 0.67"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
West Branch, IA

Average snowfall days in April - West Branch, IA
  • Average snowfall days in April: 1.3 days

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - West Branch, IA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in April
West Branch, IA

Average sunshine days in April - West Branch, IA
  • Average sunshine days in April: 12.7 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in April
West Branch, IA

Average UV index in April - West Branch, IA
  • Average UV index in April: 4

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

Average cloud cover in April
West Branch, IA

Average cloud cover in April - West Branch, IA
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in April
West Branch, IA

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

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

West Branch, Iowa, USA

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