June weather forecastStoney Brook, MD
June
Weather in June
The first month of the summer, June, is still a warm month in Stoney Brook, Maryland, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 81.7°F (27.6°C).Temperature
Stoney Brook's transition into June is noticed by a slight rise in the average high-temperature, advancing from a warm 73.9°F (23.3°C) in May to a still moderately hot 81.7°F (27.6°C). Stoney Brook's June nights cool down to an average low-temperature of 63.9°F (17.7°C).Heat index
In June, the average heat index is appraised at a tropical 86°F (30°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The average relative humidity in June is 73%.Rainfall
In June, the rain falls for 15.6 days. Throughout June, 2.68" (68mm) of precipitation is accumulated. In Stoney Brook, Maryland, during the entire year, the rain falls for 161.3 days and collects up to 33.19" (843mm) of precipitation.Snowfall
In Stoney Brook, snow does not fall in May through October.Daylight
The month with the longest days is June, 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 8:38 pm EDT.
Sunshine
The average sunshine in June is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in June translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Stoney Brook, MD
- Average high temperature in June: 81.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in June: 63.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in June
Stoney Brook, 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
Stoney Brook, 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 (5.1mph).
Average humidity in June
Stoney Brook, MD
- Average humidity in June: 73%
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in June
Stoney Brook, MD
- Average rainfall in June: 2.68"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in June
Stoney Brook, MD
- Average rainfall days in June: 15.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in June
Stoney Brook, MD
- Average snowfall in June: 0"
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Stoney Brook, MD
- Average snowfall days in June: 0 days
The months with the highest number of snowfall days are January and February (5.1 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
Stoney Brook, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in June
Stoney Brook, MD
- Average sunshine days in June: 13 days
The month with the most sunshine days is November (19.5 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in June
Stoney Brook, 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
Stoney Brook, MD
- Average cloud cover in June: 33
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in June
Stoney Brook, 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).
