April weather forecast
Fort Madison, IA

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Weather in April

The arrival of April in Fort Madison brings with it a noticeable change in weather parameters. The city welcomes spring with balmier temperatures, increased daylight hours, and diminished snowfall. The wind still persists, but at a lower speed compared to the harsh gusts witnessed in the previous months. Bloom season gets heartily underway as the scenery becomes more green and vibrant. Monthly temperatures implement further rises, evident from 44.2°F (6.8°C) to 61.2°F (16.2°C).

Temperature

As Fort Madison transitions into April, the average high-temperature is observed to rise from a frosty 49.5°F (9.7°C) in March to a comfortable 61.2°F (16.2°C). Fort Madison throughout April, records an average low-temperature of 44.2°F (6.8°C).

Humidity

The average relative humidity in April in Fort Madison is 74%.

Rainfall

In April, in Fort Madison, the rain falls for 11.3 days. Throughout April, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 101.8 rainfall days, and 9.92" (252mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Fort Madison aggregates 0.59" (15mm) of snow. Throughout the year, in Fort Madison, there are 24.5 snowfall days, and 4.25" (108mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 19min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:04 am and sunset at 8:00 pm CDT.

Sunshine

In April, the average sunshine is 8.2h.

UV index

The average daily maximum UV index in April in Fort Madison is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 4 in April translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the temperature in April in Fort Madison?

The average high-temperature and low-temperature in Fort Madison during April are 61.2°F (16.2°C) and 44.2°F (6.8°C) respectively.

What is the average humidity in April in Fort Madison?

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

How much does it rain in Fort Madison in April?

In Fort Madison, Iowa, during April, the rain falls for 11.3 days and regularly aggregates up to 1.18" (30mm) of precipitation.

What is the last month it snows in Fort Madison?

April is the last month it regularly snows. During 0.8 snowfall days, in April, Fort Madison aggregates 0.59" (15mm) of snow.

What is the average length of the day in April in Fort Madison?

The average day length in April is 13h and 19min.

What time are sunrise and sunset in April in Fort Madison?

In April, on the first day of the month, sunrise is at 6:47 am and sunset at 7:30 pm. On the last day of the month, in Fort Madison, sunrise is at 6:04 am and sunset at 8:00 pm CDT.

How long on average sun shines in April in Fort Madison?

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

How high is the UV index in April in Fort Madison?

The average daily maximum UV index in April in Fort Madison, Iowa, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Fort Madison, IA

Average temperature in April - Fort Madison, IA
  • Average high temperature in April: 61.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in April: 44.2°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in April
Fort Madison, IA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in April
Fort Madison, IA

Average wind speed in April - Fort Madison, IA
  • Average wind speed in April: 10.4mph

The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in April
Fort Madison, IA

Average humidity in April - Fort Madison, IA
  • Average humidity in April: 74%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Fort Madison, IA

Average rainfall in April - Fort Madison, IA
  • Average rainfall in April: 1.18"

The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").

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Average rainfall days in April
Fort Madison, IA

Average rainfall days in April - Fort Madison, IA
  • Average rainfall days in April: 11.3 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in April
Fort Madison, IA

Average snowfall in April - Fort Madison, IA
  • Average snowfall in April: 0.59"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Fort Madison, IA

Average snowfall days in April - Fort Madison, IA
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Fort Madison, IA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • 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 18min).

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Average sunshine days in April
Fort Madison, IA

Average sunshine days in April - Fort Madison, IA
  • Average sunshine days in April: 16.8 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).

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Average UV index in April
Fort Madison, IA

Average UV index in April - Fort Madison, IA
  • Average UV index in April: 4

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, November and December (UV index 2).

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Average cloud cover in April
Fort Madison, IA

Average cloud cover in April - Fort Madison, IA
  • Average cloud cover in April: 44

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 28).

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Average visibility in April
Fort Madison, IA

Average visibility in April - Fort Madison, 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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Fort Madison, Iowa, USA

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