April weather forecast
Cedar Rapids, IA

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Nice aerial capture of the skyline over Cedar Rapids in Iowa
Nice aerial capture of the skyline over Cedar Rapids in Iowa

Weather in April

April finally brings an end to Cedar Rapids' snowy season, pointing to brighter and sunnier days. With temperatures reaching a pleasant 57.9°F (14.4°C), this month invites residents to enjoy the outdoors. The increased daylight hours provide more opportunities to soak in the warmth of the sun. However, April is not without rainfall, so do expect some wetter days. Despite the bouts of rain, Cedar Rapids maintains good visibility throughout the month.

Temperature

As March transitions into April, a change in temperatures is observed, with average highs moving from a frosty 45.7°F (7.6°C) to a mild 57.9°F (14.4°C). The temperature lowers to an average of 41.4°F (5.2°C) during April nights.

Humidity

The average relative humidity in April is 75%.

Rainfall

In April, the rain falls for 13.2 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. In Cedar Rapids, during the entire year, the rain falls for 120.7 days and collects up to 18.31" (465mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.1 snowfall days, in April, Cedar Rapids aggregates 0.35" (9mm) of snow. In Cedar Rapids, during the entire year, snow falls for 36.1 days and aggregates up to 8.43" (214mm) of snow.

Daylight

In April, the average length of the day is 13h and 23min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:02 am and sunset at 8:04 pm CDT.

Sunshine

In Cedar Rapids, the average sunshine in April is 7.7h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 3 during April leads to these advisories:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

In Cedar Rapids, in April, the average high-temperature is 57.9°F (14.4°C), and the average low-temperature is 41.4°F (5.2°C).

What is the average humidity in April?

The average relative humidity in April is 75%.

How much does it rain in April?

In April, the rain falls for 13.2 days. Throughout April, 2.09" (53mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 1.1 snowfall days, in April, Cedar Rapids aggregates 0.35" (9mm) of snow.

How many hours of daylight does Cedar Rapids have in April?

In Cedar Rapids, the average day length in April is 13h and 23min.

What time are sunrise and sunset in April?

On the first day of April in Cedar Rapids, sunrise is at 6:47 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:04 pm CDT.

How long on average sun shines in April?

The average sunshine duration in April is 7.7h.

How high is the UV index in April?

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Cedar Rapids, IA

Average temperature in April - Cedar Rapids, IA
  • Average high temperature in April: 57.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in April: 41.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in April
Cedar Rapids, IA

Average pressure in April - Cedar Rapids, IA
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
Cedar Rapids, IA

Average wind speed in April - Cedar Rapids, 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 months (with the lowest average wind speed) are July and August (7mph).

Average humidity in April
Cedar Rapids, IA

Average humidity in April - Cedar Rapids, IA
  • Average humidity in April: 75%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in April
Cedar Rapids, IA

Average rainfall in April - Cedar Rapids, IA
  • Average rainfall in April: 2.09"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in April
Cedar Rapids, IA

Average rainfall days in April - Cedar Rapids, IA
  • Average rainfall days in April: 13.2 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

Average snowfall in April
Cedar Rapids, IA

Average snowfall in April - Cedar Rapids, IA
  • Average snowfall in April: 0.35"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Cedar Rapids, IA

Average snowfall days in April - Cedar Rapids, IA
  • Average snowfall days in April: 1.1 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Cedar Rapids, IA

Average daylight in April / Average sunshine in April - Cedar Rapids, 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: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in April
Cedar Rapids, IA

Average sunshine days in April - Cedar Rapids, IA
  • Average sunshine days in April: 14.4 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in April
Cedar Rapids, IA

Average UV index in April - Cedar Rapids, IA
  • Average UV index in April: 3

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

Average cloud cover in April
Cedar Rapids, IA

Average cloud cover in April - Cedar Rapids, IA
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in April
Cedar Rapids, IA

Average visibility in April - Cedar Rapids, IA
  • Average visibility in April: 6mi

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

Cedar Rapids, Iowa, USA

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