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 arrival of April brings an increase in high-temperatures, moving from a frosty 48.2°F (9°C) in March to an enjoyable 60.8°F (16°C). Hillsboro encounters an average low-temperature of 43.3°F (6.3°C) during April nights.Humidity
The average relative humidity in April is 74%.Rainfall
In Hillsboro, Iowa, in April, it is raining for 14.6 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Hillsboro. During 0.9 snowfall days, in April, Hillsboro aggregates 1.54" (39mm) of snow. Throughout the year, there are 30.7 snowfall days, and 15" (381mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:48 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:02 pm CDT.
Sunshine
In Hillsboro, the average sunshine in April is 7.7h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 4 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows in Hillsboro?
How many hours of daylight does Hillsboro have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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
Hillsboro, 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).
Hillsboro, Iowa, USA
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