April weather forecast
Hiawatha, IA

Weather in April

April is a mild spring month in Hiawatha, Iowa, with average temperature ranging between min 40.6°F (4.8°C) and max 57°F (13.9°C).

Temperature

In Hiawatha, Iowa, the average high-temperature rises, from a frosty 44.2°F (6.8°C) in March, to a mild 57°F (13.9°C). In Hiawatha, the average low-temperature is 40.6°F (4.8°C).

Humidity

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

Rainfall

In Hiawatha, in April, it is raining for 15.3 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 27.8" (706mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Hiawatha, Iowa,, snow falls for 1.5 days, with typically accumulated 0.75" (19mm) of snow. In Hiawatha, Iowa, during the entire year, snow falls for 41.2 days, and aggregates up to 16.73" (425mm) of snow.

Daylight

In April, the average length of the day in Hiawatha is 13.4h.

Sunshine

In April, the average sunshine in Hiawatha is 7.6h.

UV index

The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Hiawatha?

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

How much does it rain in Hiawatha in April?

In Hiawatha, Iowa, during April, the rain falls for 15.3 days and regularly aggregates up to 3.19" (81mm) of precipitation.

How much does it snow in Hiawatha in April?

In Hiawatha, in April, snow falls for 1.5 days, with typically accumulated 0.75" (19mm) of snow.

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

In April, the average length of the day in Hiawatha, Iowa, is 13.4h.

How long on average sun shines in April in Hiawatha?

In April, the average sunshine in Hiawatha, Iowa, is 7.6h.

What is the UV index intensity in April in Hiawatha?

In Hiawatha, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in April
Hiawatha, IA

Average temperature in April - Hiawatha, IA
  • Average high temperature in April: 57°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in April: 40.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in April
Hiawatha, IA

Average pressure in April - Hiawatha, IA
  • Average pressure in April: 29.93"

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

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Average wind speed in April
Hiawatha, IA

Average wind speed in April - Hiawatha, IA
  • Average wind speed in April: 10.8mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in April
Hiawatha, IA

Average humidity in April - Hiawatha, IA
  • Average humidity in April: 74%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in April
Hiawatha, IA

Average rainfall in April - Hiawatha, IA
  • Average rainfall in April: 3.19"

The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").

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Average rainfall days in April
Hiawatha, IA

Average rainfall days in April - Hiawatha, IA
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in April
Hiawatha, IA

Average snowfall in April - Hiawatha, IA
  • Average snowfall in April: 0.75"

The month with the highest snowfall is January (5.43").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Hiawatha, IA

Average snowfall days in April - Hiawatha, IA
  • Average snowfall days in April: 1.5 days

The month with the highest number of snowfall days is January (11.8 days).
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
Hiawatha, IA

Average daylight in April / Average sunshine in April - Hiawatha, IA
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in April: 7.6h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3.9h).

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Average sunshine days in April
Hiawatha, IA

Average sunshine days in April - Hiawatha, IA
  • Average sunshine days in April: 11.9 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

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Average UV index in April
Hiawatha, IA

Average UV index in April - Hiawatha, IA
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
Hiawatha, IA

Average cloud cover in April - Hiawatha, IA
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in April
Hiawatha, IA

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

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

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