June weather forecastWillowbrook, MD
June
Weather in June
The first month of the summer, June, is a moderately hot month in Willowbrook, Maryland, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 80.2°F (26.8°C).Temperature
Willowbrook's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's agreeable 72.1°F (22.3°C) to a warm 80.2°F (26.8°C). Willowbrook's nights in June experience an average temperature drop to an enjoyable 65.7°F (18.7°C).Humidity
The average relative humidity in June is 75%.Rainfall
In Willowbrook, during June, the rain falls for 14.2 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
June has the longest days of the year, with an average of 14h and 54min of daylight.On the first day of June, sunrise is at 5:41 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:36 pm EDT.
Sunshine
The average sunshine in June is 10.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 6 in June translates into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Willowbrook, MD
- Average high temperature in June: 80.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in June: 65.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in June
Willowbrook, MD
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Willowbrook, MD
- Average wind speed in June: 7mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in June
Willowbrook, MD
- Average humidity in June: 75%
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 June
Willowbrook, MD
- Average rainfall in June: 2.6"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in June
Willowbrook, MD
- Average rainfall days in June: 14.2 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in June
Willowbrook, MD
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Willowbrook, MD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Willowbrook, MD
- Average daylight in June: 14h and 54min
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 June: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in June
Willowbrook, MD
- Average sunshine days in June: 14 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in June
Willowbrook, MD
- Average UV index in June: 6
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, November and December (UV index 2).
Average cloud cover in June
Willowbrook, MD
- Average cloud cover in June: 32
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 June
Willowbrook, MD
- Average visibility in June: 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).





