April weather forecast
Calamus, IA

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Weather in April

April is a mild spring month in Calamus, Iowa, with an average temperature varying between 57.9°F (14.4°C) and 40.8°F (4.9°C).

Temperature

The onset of April brings a rise in the average high-temperature, elevating from a frosty 45.9°F (7.7°C) in March to a refreshing 57.9°F (14.4°C). In Calamus, April's nights observe an average temperature dip to a cold 40.8°F (4.9°C).

Humidity

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

Rainfall

In Calamus, in April, it is raining for 16.4 days, with typically 3.27" (83mm) of accumulated precipitation. In Calamus, during the entire year, the rain falls for 142.1 days and collects up to 28.35" (720mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, Calamus aggregates 0.47" (12mm) of snow. In Calamus, during the entire year, snow falls for 39.7 days and aggregates up to 15.67" (398mm) of snow.

Daylight

In Calamus, the average length of the day in April is 13h and 23min.
On the first day of April, sunrise is at 6:44 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:00 pm CDT.

Sunshine

In April, the average sunshine is 7.6h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

The high-temperature, in April, in Calamus, records 57.9°F (14.4°C), while the low-temperature is 40.8°F (4.9°C).

What is the average humidity in April in Calamus?

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

How many days does it rain in April?

In Calamus, in April, during 16.4 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 1.2 snowfall days, in April, Calamus aggregates 0.47" (12mm) of snow.

What is the average length of the day in April?

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

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:44 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:00 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration in Calamus is 7.6h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Calamus, IA

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

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in April: 40.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average pressure in April
Calamus, IA

Average pressure in April - Calamus, IA
  • Average pressure in April: 29.94"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
Calamus, IA

Average wind speed in April - Calamus, IA
  • Average wind speed in April: 10.5mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in April
Calamus, IA

Average humidity in April - Calamus, 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
Calamus, IA

Average rainfall in April - Calamus, IA
  • Average rainfall in April: 3.27"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in April
Calamus, IA

Average rainfall days in April - Calamus, IA
  • Average rainfall days in April: 16.4 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in April
Calamus, IA

Average snowfall in April - Calamus, IA
  • Average snowfall in April: 0.47"

The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Calamus, IA

Average snowfall days in April - Calamus, IA
  • Average snowfall days in April: 1.2 days

The month with the highest number of snowfall days is January (11.5 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
Calamus, IA

Average daylight in April / Average sunshine in April - Calamus, 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: 3h and 54min).

Average sunshine days in April
Calamus, IA

Average sunshine days in April - Calamus, IA
  • Average sunshine days in April: 11.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in April
Calamus, IA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in April
Calamus, IA

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in April
Calamus, IA

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

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

Calamus, Iowa, USA

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