June weather forecast
Stoney Brook, MD

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Weather in June

The first month of the summer, June, is still a warm month in Stoney Brook, Maryland, with an average temperature fluctuating between 63.9°F (17.7°C) and 81.7°F (27.6°C).

Temperature

June's arrival coincides with a marginal rise in the average high-temperature, moving from May's 73.9°F (23.3°C) to a still warm 81.7°F (27.6°C). In Stoney Brook, June's nights observe an average temperature dip to an enjoyable 63.9°F (17.7°C).

Heat index

In June, the average heat index is evaluated at a tropical 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In Stoney Brook, the average relative humidity in June is 73%.

Rainfall

In June, in Stoney Brook, the rain falls for 15.6 days. Throughout June, 2.68" (68mm) of precipitation is accumulated. In Stoney Brook, 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

June has the longest days of the year in Stoney Brook, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:28 pm. On the last day of June, sunrise is at 5:46 am and sunset at 8:38 pm EDT.

Sunshine

The average sunshine in June in Stoney Brook is 10.2h.

UV index

The months with the highest UV index in Stoney Brook are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In June, the maximum UV index of 6 transforms into these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the average June temperature in Stoney Brook?

June temperatures in Stoney Brook, Maryland, vary between a high-temperature of 81.7°F (27.6°C) and a low-temperature of 63.9°F (17.7°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in June is evaluated at 86°F (30°C).

What is the average humidity in June in Stoney Brook?

In June, the average relative humidity in Stoney Brook is 73%.

How much does it rain in Stoney Brook in June?

In Stoney Brook, in June, it is raining for 15.6 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Stoney Brook?

May through October are months without snowfall in Stoney Brook.

When are the longest days in Stoney Brook?

With an average of 14h and 54min of daylight, June has the longest days of the year.

What is the average length of the day in June in Stoney Brook?

The average day length in June in Stoney Brook, Maryland, is 14h and 52min.

When are sunrise and sunset in June in Stoney Brook?

In June, on the first day of the month, sunrise is at 5:44 am and sunset at 8:28 pm. On the last day of the month, in Stoney Brook, sunrise is at 5:46 am and sunset at 8:38 pm EDT.

How long on average sun shines in June in Stoney Brook?

In Stoney Brook, Maryland, the average sunshine duration in June is 10.2h.

What is the month with the highest UV index in Stoney Brook?

The months with the highest UV index in Stoney Brook are May through August, with an average maximum UV index of 6.

What is the UV index intensity in June in Stoney Brook?

The average daily maximum UV index in June in Stoney Brook, Maryland, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Stoney Brook, MD

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).

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Average pressure in June
Stoney Brook, MD

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).

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Average wind speed in June
Stoney Brook, MD

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).

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Average humidity in June
Stoney Brook, MD

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%).

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Average rainfall in June
Stoney Brook, MD

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").

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Average rainfall days in June
Stoney Brook, MD

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).

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Average snowfall in June
Stoney Brook, MD

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").

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Average snowfall days in June
Stoney Brook, MD

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).

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Average daylight in June /
Average sunshine in June
Stoney Brook, MD

Average daylight in June / Average sunshine in June - Stoney Brook, MD
  • Average daylight in June: 14h and 5min

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 1min

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).

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Average sunshine days in June
Stoney Brook, MD

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).

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Average UV index in June
Stoney Brook, MD

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).

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Average cloud cover in June
Stoney Brook, MD

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).

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Average visibility in June
Stoney Brook, MD

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).

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Stoney Brook, Maryland, USA

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