April weather forecastBlack Rock, AR
April
Weather in April
April in Black Rock, Arkansas, is a pleasant spring month, with an average temperature varying between 52.2°F (11.2°C) and 69.1°F (20.6°C).Temperature
As Black Rock transitions into April, the average high-temperature shows a change, moving from a mild 58.6°F (14.8°C) in March to an agreeable 69.1°F (20.6°C). In Black Rock, the average temperature during the nights of April drops to a cool 52.2°F (11.2°C).Humidity
In Black Rock, the average relative humidity in April is 76%.Rainfall
April is the month with the most rainfall. Rain falls for 14.5 days and accumulates 4.61" (117mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in April is 13h and 8min.On the first day of April, sunrise is at 6:49 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:51 pm CDT.
Sunshine
In Black Rock, the average sunshine in April is 8.8h.UV index
In Black Rock, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 5 in April suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Black Rock, AR
- Average high temperature in April: 69.1°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in April: 52.2°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in April
Black Rock, AR
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Black Rock, AR
- Average wind speed in April: 9.1mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in April
Black Rock, AR
- Average humidity in April: 76%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in April
Black Rock, AR
- Average rainfall in April: 4.61"
The wettest month (with the highest rainfall) is April (4.61").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in April
Black Rock, AR
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in April
Black Rock, AR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in April
Black Rock, AR
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (2.7 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
Black Rock, AR
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in April
Black Rock, AR
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is October (19.8 days).
The months with the least sunshine days are April and May (13.8 days).
Average UV index in April
Black Rock, AR
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in April
Black Rock, AR
- Average cloud cover in April: 39
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in April
Black Rock, AR
- 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).
