April weather forecastBarnum, IA
April
Weather in April
April is a moderate spring month in Barnum, Iowa, with an average temperature fluctuating between 57.7°F (14.3°C) and 41.4°F (5.2°C).Temperature
In Barnum, the average high-temperature in April increases from a chilly 44.2°F (6.8°C) in March to a mild 57.7°F (14.3°C). Throughout April, the average low-temperature records at an icy 41.4°F (5.2°C).Humidity
April and October, with an average relative humidity of 68%, are the least humid months.Rainfall
In April, the rain falls for 9.8 days. Throughout April, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 84.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Barnum. During 1.1 snowfall days, in April, Barnum aggregates 0.16" (4mm) of snow. In Barnum, Iowa, during the entire year, snow falls for 29.4 days and aggregates up to 3.62" (92mm) of snow.Daylight
In Barnum, Iowa, the average length of the day in April is 13h and 25min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:43 pm. On the last day of April, sunrise is at 6:12 am and sunset at 8:16 pm CDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In Barnum, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Barnum, IA
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in April
Barnum, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Barnum, IA
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in April
Barnum, IA
- Average humidity in April: 68%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in April
Barnum, IA
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in April
Barnum, IA
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is June (12 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in April
Barnum, IA
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Barnum, IA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Barnum, IA
- Average daylight in April: 13h and 24min
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 6min).
- Average sunshine in April: 7h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Barnum, IA
- Average sunshine days in April: 18 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is June (15.5 days).
Average UV index in April
Barnum, 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 February (UV index 1).
Average cloud cover in April
Barnum, IA
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in April
Barnum, 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).
