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
Blackrock Hills's transition into April brings a rise in the average high-temperature, moving from a fresh 51.3°F (10.7°C) in March to a refreshing 63.5°F (17.5°C). An average low-temperature of 45°F (7.2°C) is expected in Blackrock Hills during April.Humidity
The average relative humidity in April is 73%.Rainfall
In Blackrock Hills, during April, the rain falls for 14.8 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Blackrock Hills, there are 159.4 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In April, it is snowing for 0.3 days. Throughout April, 0.35" (9mm) of snow is accumulated. Throughout the year, in Blackrock Hills, there are 19.1 snowfall days, and 10.04" (255mm) of snow is accumulated.Daylight
In Blackrock Hills, the average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:01 pm EDT.
Sunshine
In Blackrock Hills, Maryland, the average sunshine in April is 8.9h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. 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 is the temperature in April?
What is the average humidity in April in Blackrock Hills?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Blackrock Hills have in April?
What is the UV index reading in April?
Average temperature in April
Blackrock Hills, MD
- Average high temperature in April: 63.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in April
Blackrock Hills, MD
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Blackrock Hills, MD
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
Blackrock Hills, MD
- Average humidity in April: 73%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Blackrock Hills, MD
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in April
Blackrock Hills, MD
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall in April
Blackrock Hills, MD
- Average snowfall in April: 0.35"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Blackrock Hills, MD
- Average snowfall days in April: 0.3 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Blackrock Hills, MD
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in April
Blackrock Hills, MD
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in April
Blackrock Hills, MD
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Blackrock Hills, MD
- Average cloud cover in April: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Blackrock Hills, MD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Blackrock Hills, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location