April weather forecast
Slater, IA

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Weather in April

April in Slater, Iowa, is a refreshing spring month, with an average temperature ranging between min 41.9°F (5.5°C) and max 58.5°F (14.7°C).

Temperature

The onset of April brings a rise in the average high-temperature, elevating from a chilly 46°F (7.8°C) in March to a moderate 58.5°F (14.7°C). In the month of April, the nighttime temperature in Slater dips to a steady average of 41.9°F (5.5°C).

Humidity

In April, the average relative humidity is 72%.

Rainfall

In Slater, in April, during 15.4 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 141.4 rainfall days, and 29.65" (753mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Slater. In April, in Slater, it is snowing for 1.8 days. Throughout April, 0.63" (16mm) of snow is accumulated. In Slater, during the entire year, snow falls for 44 days and aggregates up to 16.65" (423mm) of snow.

Daylight

The average length of the day in April is 13h and 23min.
On the first day of the month, sunrise is at 6:55 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:11 am and sunset at 8:12 pm CDT.

Sunshine

In April, the average sunshine in Slater is 7.9h.

UV index

In Slater, Iowa, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: During April, 4 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Slater in April?

In Slater, in April, the average high-temperature is 58.5°F (14.7°C), and the average low-temperature is 41.9°F (5.5°C).

What is the average humidity in April in Slater?

The average relative humidity in April is 72%.

How many days does it rain in April in Slater?

In Slater, in April, during 15.4 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

How much does it snow in Slater in April?

In April, in Slater, it is snowing for 1.8 days. Throughout April, 0.63" (16mm) of snow is accumulated.

How many hours of daylight does Slater have in April?

The average day length in April in Slater is 13h and 23min.

When is the sunrise / sunset in April in Slater?

In April, on the first day of the month, sunrise is at 6:55 am and sunset at 7:40 pm. On the last day of the month, in Slater, sunrise is at 6:11 am and sunset at 8:12 pm CDT.

How many hours of sunshine does Slater have in April?

The average sunshine duration in April in Slater, Iowa, is 7.9h.

How high is the UV index in April in Slater?

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Slater, IA

Average temperature in April - Slater, IA
  • Average high temperature in April: 58.5°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in April: 41.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in April
Slater, IA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in April
Slater, IA

Average wind speed in April - Slater, IA
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in April
Slater, IA

Average humidity in April - Slater, IA
  • Average humidity in April: 72%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in April
Slater, IA

Average rainfall in April - Slater, IA
  • Average rainfall in April: 3.11"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in April
Slater, IA

Average rainfall days in April - Slater, IA
  • Average rainfall days in April: 15.4 days

The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in April
Slater, IA

Average snowfall in April - Slater, IA
  • Average snowfall in April: 0.63"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Slater, IA

Average snowfall days in April - Slater, IA
  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Slater, IA

Average daylight in April / Average sunshine in April - Slater, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in April
Slater, IA

Average sunshine days in April - Slater, IA
  • Average sunshine days in April: 11.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in April
Slater, IA

Average UV index in April - Slater, 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, February, October, November and December (UV index 2).

Average cloud cover in April
Slater, IA

Average cloud cover in April - Slater, IA
  • Average cloud cover in April: 46

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in April
Slater, IA

Average visibility in April - Slater, IA
  • Average visibility in April: 6mi

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

Slater, Iowa, USA

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