April weather forecast
Irwin, IA

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Weather in April

April in Irwin, Iowa, is a mild spring month, with an average temperature varying between 58.8°F (14.9°C) and 42.3°F (5.7°C).

Temperature

April's arrival sees a rise in the average high-temperature, jumping from March's frosty 46.9°F (8.3°C) to a mild 58.8°F (14.9°C). Irwin records an average low-temperature of 42.3°F (5.7°C) throughout the month of April.

Humidity

In Irwin, the average relative humidity in April is 69%.

Rainfall

In Irwin, during April, the rain falls for 12.8 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Irwin, during the entire year, the rain falls for 113.5 days and collects up to 15.71" (399mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Irwin. In Irwin, during April, snow falls for 1 days and regularly aggregates up to 0.28" (7mm) of snow. Throughout the year, there are 31.5 snowfall days, and 7.13" (181mm) of snow is accumulated.

Daylight

In Irwin, the average length of the day in April is 13h and 22min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:46 pm. On the last day of April, in Irwin, sunrise is at 6:17 am and sunset at 8:18 pm CDT.

Sunshine

In April, the average sunshine in Irwin is 8.2h.

UV index

In April, the average daily maximum UV index in Irwin, Iowa, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the maximum UV index of 3 suggests these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the usual temperature for Irwin in April?

The high-temperature, in April, in Irwin, is 58.8°F (14.9°C), while the low-temperature averages to 42.3°F (5.7°C).

What is the average humidity in April in Irwin?

In April, the average relative humidity in Irwin, Iowa, is 69%.

How many days does it rain in April in Irwin?

In Irwin, during April, the rain falls for 12.8 days and regularly aggregates up to 1.26" (32mm) of precipitation.

How much does it snow in Irwin in April?

In Irwin, Iowa, in April, snow falls for 1 days, with typically accumulated 0.28" (7mm) of snow.

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

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

When is the sunrise / sunset in April in Irwin?

On the first day of April in Irwin, sunrise is at 7:02 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:18 pm CDT.

How many hours of sunshine does Irwin have in April?

In Irwin, Iowa, the average sunshine duration in April is 8.2h.

What is the UV index intensity in April in Irwin?

The average daily maximum UV index in April in Irwin, Iowa, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Irwin, IA

Average temperature in April - Irwin, IA
  • Average high temperature in April: 58.8°F

The warmest month (with the highest average high temperature) is July (82.6°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 (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

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Average pressure in April
Irwin, IA

Average pressure in April - Irwin, IA
  • Average pressure in April: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in April
Irwin, IA

Average wind speed in April - Irwin, IA
  • Average wind speed in April: 10.9mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in April
Irwin, IA

Average humidity in April - Irwin, IA
  • Average humidity in April: 69%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in April
Irwin, IA

Average rainfall in April - Irwin, IA
  • Average rainfall in April: 1.26"

The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in April
Irwin, IA

Average rainfall days in April - Irwin, IA
  • Average rainfall days in April: 12.8 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in April
Irwin, IA

Average snowfall in April - Irwin, IA
  • Average snowfall in April: 0.28"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Irwin, IA

Average snowfall days in April - Irwin, IA
  • Average snowfall days in April: 1 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Irwin, 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: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in April
Irwin, IA

Average sunshine days in April - Irwin, IA
  • Average sunshine days in April: 15 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in April
Irwin, IA

Average UV index in April - Irwin, IA
  • Average UV index in April: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in April
Irwin, IA

Average cloud cover in April - Irwin, IA
  • Average cloud cover in April: 43

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in April
Irwin, IA

Average visibility in April - Irwin, IA
  • 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).

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Irwin, Iowa, USA

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