June weather forecast
Riverdale Gardens, MD

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Weather in June

The first month of the summer, June, is still a warm month in Riverdale Gardens, Maryland, with an average temperature fluctuating between 81.9°F (27.7°C) and 64.6°F (18.1°C).

Temperature

June signals a minor shift in the average high-temperature, moving from May's moderately hot 73.9°F (23.3°C) to a still warm 81.9°F (27.7°C). Riverdale Gardens's nights in June cool down to an average low-temperature of 64.6°F (18.1°C).

Heat index

In June, the heat index is estimated at a hot 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

The average relative humidity in June is 74%.

Rainfall

In Riverdale Gardens, Maryland, in June, during 15.5 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

Snowfall

May 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 in Riverdale Gardens, sunrise is at 5:43 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:37 pm EDT.

Sunshine

In June, the average sunshine in Riverdale Gardens is 10.3h.

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 hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What is the average June temperature in Riverdale Gardens?

The high-temperature, in June, in Riverdale Gardens, is 81.9°F (27.7°C), while the low-temperature averages to 64.6°F (18.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in June is estimated at 87.8°F (31°C).

What is the average humidity in June in Riverdale Gardens?

The average relative humidity in June in Riverdale Gardens is 74%.

How much does it rain in Riverdale Gardens in June?

In Riverdale Gardens, in June, it is raining for 15.5 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Riverdale Gardens?

May through November are months without snowfall.

When are the longest days in Riverdale Gardens?

The month with the longest days in Riverdale Gardens is June, with an average of 14h and 54min of daylight.

What is the average length of the day in June in Riverdale Gardens?

The average day length in June is 14h and 52min.

When is the sunrise / sunset in June in Riverdale Gardens?

On the first day of June in Riverdale Gardens, Maryland, sunrise is at 5:43 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:37 pm EDT.

How long on average sun shines in June in Riverdale Gardens?

In Riverdale Gardens, Maryland, the average sunshine duration in June is 10.3h.

What are the months with the highest UV index in Riverdale Gardens?

The months with the highest UV index in Riverdale Gardens, Maryland, are May through August, with an average maximum UV index of 6.

How high is the UV index in June in Riverdale Gardens?

In June, the average daily maximum UV index in Riverdale Gardens, Maryland, is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Riverdale Gardens, MD

Average temperature in June - Riverdale Gardens, MD
  • Average high temperature in June: 81.9°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 (39.9°F).

  • Average low temperature in June: 64.6°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in June
Riverdale Gardens, MD

Average pressure in June - Riverdale Gardens, 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).

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Average wind speed in June
Riverdale Gardens, MD

Average wind speed in June - Riverdale Gardens, MD
  • Average wind speed in June: 6.2mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in June
Riverdale Gardens, MD

Average humidity in June - Riverdale Gardens, MD
  • Average humidity in June: 74%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in June
Riverdale Gardens, MD

Average rainfall in June - Riverdale Gardens, MD
  • Average rainfall in June: 2.8"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

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Average rainfall days in June
Riverdale Gardens, MD

Average rainfall days in June - Riverdale Gardens, MD
  • Average rainfall days in June: 15.5 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall in June
Riverdale Gardens, MD

Average snowfall in June - Riverdale Gardens, MD
  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in June
Riverdale Gardens, MD

Average snowfall days in June - Riverdale Gardens, MD
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (4.1 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
Riverdale Gardens, MD

Average daylight in June / Average sunshine in June - Riverdale Gardens, 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 2min

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 0min).

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Average sunshine days in June
Riverdale Gardens, MD

Average sunshine days in June - Riverdale Gardens, MD
  • Average sunshine days in June: 13 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in June
Riverdale Gardens, MD

Average UV index in June - Riverdale Gardens, 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 and December (UV index 2).

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Average cloud cover in June
Riverdale Gardens, MD

Average cloud cover in June - Riverdale Gardens, 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 29).

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Average visibility in June
Riverdale Gardens, MD

Average visibility in June - Riverdale Gardens, 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).

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Riverdale Gardens, Maryland, USA

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