June weather forecast
Green Valley, MD

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Weather in June

The first month of the summer, June, is also a moderately hot month in Green Valley, Maryland, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 64.2°F (17.9°C).

Temperature

June brings a slight increase in the average high-temperature, progressing from a moderately hot 74.5°F (23.6°C) in May to a still warm 82.8°F (28.2°C). In the month of June, the temperature generally rests at an average low of 64.2°F (17.9°C).

Heat index

Throughout June, the heat index is evaluated at a tropical 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In Green Valley, the average relative humidity in June is 73%.

Rainfall

In Green Valley, in June, it is raining for 14.2 days, with typically 2.4" (61mm) of accumulated precipitation. In Green Valley, during the entire year, the rain falls for 149.1 days and collects up to 26.14" (664mm) of precipitation.

Snowfall

April through November 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 5:43 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:39 pm EDT.

Sunshine

The average sunshine in June is 10.2h.

UV index

The month with the highest UV index is June, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In June, the maximum UV index of 7 transforms into these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in June?

In Green Valley, 82.8°F (28.2°C) is the average high-temperature and 64.2°F (17.9°C) is the average low-temperature during June. The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in June is evaluated at 87.8°F (31°C).

What is the average humidity in June?

In June, the average relative humidity is 73%.

How many days does it rain in June?

In Green Valley, in June, during 14.2 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow?

In Green Valley, snow does not fall in April through November.

When are the longest days in Green Valley?

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

How many hours of daylight does Green Valley have in June?

In June, the average day length is 14h and 54min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 5:43 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:39 pm EDT.

How long on average sun shines in June?

The average sunshine duration in June is 10.2h.

What is the month with the highest UV index?

June is the month with the highest UV index, with an average maximum UV index of 7.

What is the UV index reading in June?

The average daily maximum UV index in June is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
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
Green Valley, MD

Average temperature in June - Green Valley, MD
  • Average high temperature in June: 82.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in June: 64.2°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in June
Green Valley, MD

Average pressure in June - Green Valley, 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
Green Valley, MD

Average wind speed in June - Green Valley, MD
  • Average wind speed in June: 5.8mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in June
Green Valley, MD

Average humidity in June - Green Valley, MD
  • Average humidity in June: 73%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in June
Green Valley, MD

Average rainfall in June - Green Valley, MD
  • Average rainfall in June: 2.4"

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").

Average rainfall days in June
Green Valley, MD

Average rainfall days in June - Green Valley, MD
  • Average rainfall days in June: 14.2 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in June
Green Valley, MD

Average snowfall in June - Green Valley, MD
  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in June
Green Valley, MD

Average snowfall days in June - Green Valley, MD
  • Average snowfall days in June: 0 days

The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Green Valley, MD

Average daylight in June / Average sunshine in June - Green Valley, 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 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in June
Green Valley, MD

Average sunshine days in June - Green Valley, MD
  • Average sunshine days in June: 14 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in June
Green Valley, MD

Average UV index in June - Green Valley, MD
  • Average UV index in June: 7

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in June
Green Valley, MD

Average cloud cover in June - Green Valley, MD
  • Average cloud cover in June: 33

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in June
Green Valley, MD

Average visibility in June - Green Valley, 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).

Green Valley, Maryland, USA

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