April weather forecast
Marion, IA

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Weather in April

With temperatures continually on the rise, April symbolizes the full arrival of spring in Marion, Iowa. There's a significant uptick in rainfall, with April showers becoming a common occurrence. The disappearance of snow is fully marked as the landscape takes on a fresh, rejuvenated look. An increase in sunlight hours offers plenty of opportunities for outdoor picnics and other activities. The city embraces the pleasant weather with its temperate daytime climate.

Temperature

Marion's transition into April is marked by a rise in the average high-temperature, advancing from a frosty 45.5°F (7.5°C) in March to a refreshing 57.9°F (14.4°C). During April, the average low-temperature in Marion is a wintry 41°F (5°C).

Humidity

In April, the average relative humidity in Marion is 75%.

Rainfall

In Marion, in April, during 15.9 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Marion, during the entire year, the rain falls for 147.9 days and collects up to 31.57" (802mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Marion. April is the last month it regularly snows. During 1.4 snowfall days, in April, Marion aggregates 0.75" (19mm) of snow. In Marion, during the entire year, snow falls for 44 days and aggregates up to 18.35" (466mm) of snow.

Daylight

In Marion, the average length of the day in April 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, in Marion, sunrise is at 6:02 am and sunset at 8:04 pm CDT.

Sunshine

In April, the average sunshine in Marion, Iowa, is 7.5h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 4 during April leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures in Marion?

Marion in April has an average high-temperature of 57.9°F (14.4°C) and an average low-temperature of 41°F (5°C).

What is the average humidity in April in Marion?

The average relative humidity in April is 75%.

How much does it rain in Marion in April?

In April, the rain falls for 15.9 days. Throughout April, 3.43" (87mm) of precipitation is accumulated.

What is the last month it snows in Marion?

April is the last month it regularly snows in Marion. During 1.4 snowfall days, in April, Marion aggregates 0.75" (19mm) of snow.

How many hours of daylight does Marion have in April?

In Marion, Iowa, the average day length in April is 13h and 23min.

When are sunrise and sunset in April in Marion?

On the first day of April, 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 in Marion?

In April, the average sunshine duration in Marion is 7.5h.

How high is the UV index in April in Marion?

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

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

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in April: 41°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in April
Marion, IA

Average pressure in April - Marion, 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
Marion, IA

Average wind speed in April - Marion, 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).

Average humidity in April
Marion, IA

Average humidity in April - Marion, 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
Marion, IA

Average rainfall in April - Marion, IA
  • Average rainfall in April: 3.43"

The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.34").

Average rainfall days in April
Marion, IA

Average rainfall days in April - Marion, IA
  • Average rainfall days in April: 15.9 days

The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (5.2 days).

Average snowfall in April
Marion, IA

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

The month with the highest snowfall is January (5.79").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Marion, IA

Average snowfall days in April - Marion, IA
  • Average snowfall days in April: 1.4 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Marion, IA

Average daylight in April / Average sunshine in April - Marion, 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 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in April
Marion, IA

Average sunshine days in April - Marion, IA
  • Average sunshine days in April: 11.2 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in April
Marion, IA

Average UV index in April - Marion, 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).

Average cloud cover in April
Marion, IA

Average cloud cover in April - Marion, IA
  • Average cloud cover in April: 48

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in April
Marion, IA

Average visibility in April - Marion, 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).

Marion, Iowa, USA

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