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
In Black Rock, the average high-temperature in April increases from a frosty 48.6°F (9.2°C) in March to a moderate 60.1°F (15.6°C). In Black Rock, the average low-temperature during the month of April is a chilly 44.1°F (6.7°C).Humidity
In April, the average relative humidity is 76%.Rainfall
In Black Rock, Indiana, in April, during 13.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, in Black Rock, Indiana, there are 130.9 rainfall days, and 18.23" (463mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Black Rock. During 0.9 snowfall days, in April, Black Rock aggregates 0.28" (7mm) of snow. Throughout the year, in Black Rock, there are 28.3 snowfall days, and 7.36" (187mm) of snow is accumulated.Daylight
In Black Rock, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 7:30 am and sunset at 8:13 pm. On the last day of April, sunrise is at 6:47 am and sunset at 8:43 pm EDT.
Sunshine
In April, the average sunshine is 6.9h.UV index
In Black Rock, Indiana, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during April leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the average April temperature in Black Rock?
What is the average humidity in April in Black Rock?
How many days does it rain in April in Black Rock?
What is the last month it snows in Black Rock?
What is the average length of the day in April in Black Rock?
When are sunrise and sunset in April in Black Rock?
How long on average sun shines in April in Black Rock?
How high is the UV index in April in Black Rock?
Average temperature in April
Black Rock, IN
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in April: 44.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in April
Black Rock, IN
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Black Rock, IN
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Black Rock, IN
- Average humidity in April: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Black Rock, IN
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and November (0.94").
Average rainfall days in April
Black Rock, IN
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in April
Black Rock, IN
- Average snowfall in April: 0.28"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Black Rock, IN
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (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
Black Rock, IN
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Black Rock, IN
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in April
Black Rock, IN
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Black Rock, IN
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June, August and September (Cloud cover 34).
Average visibility in April
Black Rock, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Black Rock, Indiana, USA
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