Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The transition to April introduces an increase in the average high-temperature, shifting from a chilly 46.9°F (8.3°C) in March to a mild 58.8°F (14.9°C). During April, the average low-temperature in Red Line is a cold 42.3°F (5.7°C).Humidity
The average relative humidity in April is 69%.Rainfall
In Red Line, in April, it is raining for 12.8 days, with typically 1.26" (32mm) of accumulated precipitation. In Red Line, during the entire year, the rain falls for 113.5 days and collects up to 15.71" (399mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Red Line, in April, during 1 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Red Line, during the entire year, snow falls for 31.5 days and aggregates up to 7.13" (181mm) of snow.Daylight
In April, the average length of the day in Red Line is 13h and 22min.On the first day of April, sunrise is at 7:01 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:18 pm CDT.
Sunshine
The average sunshine in April in Red Line, Iowa, is 8.2h.UV index
In Red Line, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Red Line?
What is the average humidity in April in Red Line?
How much does it rain in Red Line in April?
How many days does it snow in April in Red Line?
How many hours of daylight does Red Line have in April?
What time are sunrise and sunset in April in Red Line?
How many hours of sunshine does Red Line have in April?
How high is the UV index in April in Red Line?
Average temperature in April
Red Line, IA
- Average high temperature in April: 58.8°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in April
Red Line, IA
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Red Line, IA
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in April
Red Line, IA
- Average humidity in April: 69%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Red Line, IA
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Red Line, IA
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in April
Red Line, IA
- Average snowfall in April: 0.28"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Red Line, IA
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Red Line, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Red Line, IA
- Average sunshine days in April: 15 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in April
Red Line, IA
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Red Line, IA
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Red Line, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Red Line, Iowa, USA
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