April weather forecast
Keokuk, IA

Weather in April

April is a comfortable spring month in Keokuk, Iowa, with average temperature fluctuating between 62.2°F (16.8°C) and 44.2°F (6.8°C).

Temperature

In April, the average high-temperature rises, from a fresh 50°F (10°C) in March, to an enjoyable 62.2°F (16.8°C). In Keokuk, the average low-temperature is 44.2°F (6.8°C).

Humidity

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

Rainfall

In Keokuk, it is raining for 15.5 days, with typically 3.19" (81mm) of accumulated precipitation. In Keokuk, Iowa, during the entire year, the rain falls for 140.6 days and collects up to 27.72" (704mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Keokuk. April is the last month it regularly snows. During 0.8 snowfall days, in April, Keokuk aggregates 0.43" (11mm) of snow. Throughout the year, there are 29.4 snowfall days, and 11.3" (287mm) of snow is accumulated.

Daylight

In April, the average length of the day in Keokuk is 13.3h.

Sunshine

The average sunshine in Keokuk is 8.2h.

UV index

In Keokuk, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Keokuk?

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

How much does it rain in Keokuk in April?

In Keokuk, in April, it is raining for 15.5 days, with typically 3.19" (81mm) of accumulated precipitation.

What is the last month it snows in Keokuk?

April is the last month it regularly snows in Keokuk. During 0.8 snowfall days, in April, Keokuk aggregates 0.43" (11mm) of snow.

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

In Keokuk, Iowa, the average length of the day in April is 13.3h.

How many hours of sunshine does Keokuk have in April?

The average sunshine in April is 8.2h.

What is the UV index intensity in April in Keokuk?

In Keokuk, Iowa, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in April
Keokuk, IA

Average temperature in April - Keokuk, IA
  • Average high temperature in April: 62.2°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in April: 44.2°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in April
Keokuk, IA

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

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

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Average wind speed in April
Keokuk, IA

Average wind speed in April - Keokuk, IA
  • Average wind speed in April: 10.3mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in April
Keokuk, IA

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

Months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in April
Keokuk, IA

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

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in April
Keokuk, IA

Average rainfall days in April - Keokuk, IA
  • Average rainfall days in April: 15.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in April
Keokuk, IA

Average snowfall in April - Keokuk, IA
  • Average snowfall in April: 0.43"

The month with the highest snowfall is January (3.94").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Keokuk, IA

Average snowfall days in April - Keokuk, IA
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (9.8 days).
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
Keokuk, IA

Average daylight in April / Average sunshine in April - Keokuk, IA
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 8.2h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in April
Keokuk, IA

Average sunshine days in April - Keokuk, IA
  • Average sunshine days in April: 12.5 days

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in April
Keokuk, IA

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

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

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Average cloud cover in April
Keokuk, IA

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

The month with the most cloud cover is January (Cloud cover 53).
Months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in April
Keokuk, IA

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

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

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