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
April's arrival signals an increase in average high-temperatures, moving from March's chilly 48.2°F (9°C) to an enjoyable 60.8°F (16°C). The nighttime temperature, during April, averages of 43.3°F (6.3°C).Humidity
The average relative humidity in April in Salem is 74%.Rainfall
In Salem, in April, it is raining for 14.6 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, in Salem, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Salem. April is the last month it regularly snows in Salem. During 0.9 snowfall days, in April, Salem aggregates 1.54" (39mm) of snow. Throughout the year, in Salem, there are 30.7 snowfall days, and 15" (381mm) of snow is accumulated.Daylight
The average length of the day in April in Salem is 13h and 20min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:04 am and sunset at 8:02 pm CDT.
Sunshine
The average sunshine in April is 7.7h.UV index
In Salem, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 4 during April translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Salem?
What is the average humidity in April in Salem?
How many days does it rain in April in Salem?
What is the last month it snows in Salem?
What is the average length of the day in April in Salem?
When is the sunrise / sunset in April in Salem?
How many hours of sunshine does Salem have in April?
What is the UV index reading in April in Salem?
Average temperature in April
Salem, IA
- Average high temperature in April: 60.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in April
Salem, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Salem, IA
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in April
Salem, IA
- Average humidity in April: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Salem, IA
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in April
Salem, IA
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in April
Salem, IA
- Average snowfall in April: 1.54"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Salem, IA
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (9.6 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
Salem, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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 0min).
Average sunshine days in April
Salem, IA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in April
Salem, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Salem, IA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in April
Salem, 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).
Salem, Iowa, USA
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