June weather forecastRosemary Hills, MD
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Rosemary Hills, Maryland, with an average temperature fluctuating between 82.2°F (27.9°C) and 64.4°F (18°C).Temperature
June's onset is marked by a subtle temperature increase, moving from a moderately hot 74.3°F (23.5°C) in May to a still warm 82.2°F (27.9°C). In the month of June, Rosemary Hills experiences an average low-temperature of 64.4°F (18°C).Heat index
For June, the heat index is calculated to be a hot 87.8°F (31°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The average relative humidity in June is 72%.Rainfall
In Rosemary Hills, in June, it is raining for 15.2 days, with typically 2.48" (63mm) of accumulated precipitation. In Rosemary Hills, during the entire year, the rain falls for 154.8 days and collects up to 30.28" (769mm) of precipitation.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 5:44 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:37 pm EDT.
Sunshine
The average sunshine in June is 10h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 during June translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Rosemary Hills, MD
- Average high temperature in June: 82.2°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in June: 64.4°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in June
Rosemary Hills, MD
- Average pressure in June: 29.95"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 June
Rosemary Hills, MD
- Average wind speed in June: 6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in June
Rosemary Hills, MD
- Average humidity in June: 72%
The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in June
Rosemary Hills, MD
- Average rainfall in June: 2.48"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in June
Rosemary Hills, MD
- Average rainfall days in June: 15.2 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in June
Rosemary Hills, MD
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Rosemary Hills, MD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (4.6 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
Rosemary Hills, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in June
Rosemary Hills, MD
- Average sunshine days in June: 13.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in June
Rosemary Hills, 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
Rosemary Hills, MD
- Average cloud cover in June: 34
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in June
Rosemary Hills, MD
- Average visibility in June: 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).
