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 brings a temperature increase, with average high-temperatures moving from March's chilly 45.1°F (7.3°C) to a refreshing 57.7°F (14.3°C). During the nights in April, an average low-temperature of 41.4°F (5.2°C) is observed in Blairstown.Humidity
In April, the average relative humidity is 74%.Rainfall
In April, the rain falls for 14.5 days. Throughout April, 3.23" (82mm) of precipitation is accumulated. In Blairstown, during the entire year, the rain falls for 139 days and collects up to 29.49" (749mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, in Blairstown, it is snowing for 1.4 days. Throughout April, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 39 snowfall days, and 16.69" (424mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:34 pm. On the last day of April, sunrise is at 6:04 am and sunset at 8:06 pm CDT.
Sunshine
In Blairstown, the average sunshine in April is 7.6h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 3 in April leads to these guidelines:
Make use of precautions - It is urged to ward off sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Blairstown have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Blairstown have in April?
What is the UV index intensity in April in Blairstown?
Average temperature in April
Blairstown, IA
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Blairstown, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Blairstown, IA
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in April
Blairstown, IA
- Average humidity in April: 74%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Blairstown, IA
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in April
Blairstown, IA
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in April
Blairstown, IA
- Average snowfall in April: 0.79"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Blairstown, IA
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Blairstown, 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: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Blairstown, IA
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in April
Blairstown, IA
- Average UV index in April: 3
The month with the highest UV index is June (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
Blairstown, IA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Blairstown, 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).
Blairstown, Iowa, USA
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