April weather forecast
Rockford, IA

Weather in April

April in Rockford, Iowa, is a fresh spring month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 54.9°F (12.7°C).

Temperature

In April, the average high-temperature increases, from a wintry 41.5°F (5.3°C) in March, to a fresh 54.9°F (12.7°C). In April, the average low-temperature is 39.4°F (4.1°C).

Humidity

In April, the average relative humidity in Rockford is 72%.

Rainfall

In Rockford, in April, it is raining for 15 days, with typically 2.68" (68mm) of accumulated precipitation. In Rockford, Iowa, during the entire year, the rain falls for 129.5 days and collects up to 25.98" (660mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Rockford. In Rockford, Iowa, in April, snow falls for 2.4 days, with typically accumulated 2.2" (56mm) of snow. In Rockford, during the entire year, snow falls for 50.1 days, and aggregates up to 21.69" (551mm) of snow.

Daylight

The average length of the day in Rockford is 13.5h.

Sunshine

In Rockford, Iowa, the average sunshine is 7.5h.

UV index

In Rockford, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Rockford?

The average relative humidity in April in Rockford, Iowa, is 72%.

How many days does it rain in April in Rockford?

In April, in Rockford, the rain falls for 15 days. Throughout April, 2.68" (68mm) of precipitation is accumulated.

How much does it snow in Rockford in April?

In Rockford, in April, during 2.4 snowfall days, 2.2" (56mm) of snow is typically accumulated.

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

The average length of the day in April is 13.5h.

How long on average sun shines in April in Rockford?

The average sunshine in April in Rockford is 7.5h.

How high is the UV index in April in Rockford?

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

Average temperature in April
Rockford, IA

Average temperature in April - Rockford, IA
  • Average high temperature in April: 54.9°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in April: 39.4°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure in April
Rockford, IA

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

Months with the highest atmospheric pressure are January and February (30.14").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in April
Rockford, IA

Average wind speed in April - Rockford, IA
  • Average wind speed in April: 10.7mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in April
Rockford, IA

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

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Rockford, IA

Average rainfall in April - Rockford, IA
  • Average rainfall in April: 2.68"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in April
Rockford, IA

Average rainfall days in April - Rockford, IA
  • Average rainfall days in April: 15 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).

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Average snowfall in April
Rockford, IA

Average snowfall in April - Rockford, IA
  • Average snowfall in April: 2.2"

The month with the highest snowfall is February (5.94").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Rockford, IA

Average snowfall days in April - Rockford, IA
  • Average snowfall days in April: 2.4 days

The month with the highest number of snowfall days is January (12.7 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
Rockford, IA

Average daylight in April / Average sunshine in April - Rockford, IA
  • Average daylight in April: 13.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in April: 7.5h

Months with the most sunshine are July and August (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days in April
Rockford, IA

Average sunshine days in April - Rockford, IA
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in April
Rockford, IA

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

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in April
Rockford, IA

Average cloud cover in April - Rockford, IA
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in April
Rockford, IA

Average visibility in April - Rockford, 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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