April weather forecastHarkness Creek Park, MD
April
Weather in April
April is a comfortable spring month in Harkness Creek Park, Maryland, with an average temperature ranging between max 62.2°F (16.8°C) and min 48.2°F (9°C).Temperature
The shift from March to April brings an increase in the average high-temperature, moving from a fresh 50.5°F (10.3°C) to a comfortable 62.2°F (16.8°C). During April, Harkness Creek Park records an average temperature of 48.2°F (9°C) at night.Humidity
January, March, April and November, with an average relative humidity of 72%, are the least humid months.Rainfall
In Harkness Creek Park, in April, it is raining for 11.3 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
In Harkness Creek Park, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 15min.On the first day of April, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in April in Harkness Creek Park is 8.8h.UV index
In April, the average daily maximum UV index in Harkness Creek Park is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Harkness Creek Park, MD
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in April: 48.2°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in April
Harkness Creek Park, MD
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Harkness Creek Park, MD
- Average wind speed in April: 9.7mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Harkness Creek Park, MD
- Average humidity in April: 72%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in April
Harkness Creek Park, MD
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Harkness Creek Park, MD
- Average rainfall days in April: 11.3 days
The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in April
Harkness Creek Park, MD
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Harkness Creek Park, MD
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Harkness Creek Park, MD
- Average daylight in April: 13h and 12min
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 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in April
Harkness Creek Park, MD
- Average sunshine days in April: 17 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in April
Harkness Creek Park, 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 and December (UV index 2).
Average cloud cover in April
Harkness Creek Park, MD
- Average cloud cover in April: 40
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Harkness Creek Park, MD
- 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).





