June weather forecast
Riverdale Gardens, MD

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Weather in June

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

Temperature

June's onset brings a subtle temperature rise, moving from 73.9°F (23.3°C) in May to a still moderately hot 81.9°F (27.7°C). During June, the temperature tends to dip to an average of 64.6°F (18.1°C) at night.

Heat index

For most parts of June, the heat index is appraised at a hot 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In June, the average relative humidity is 74%.

Rainfall

In Riverdale Gardens, in June, it is raining for 15.5 days, with typically 2.8" (71mm) of accumulated precipitation. In Riverdale Gardens, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.

Snowfall

In Riverdale Gardens, snow does not fall in May through November.

Daylight

The month with the longest days in Riverdale Gardens is June, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:27 pm. On the last day of June, sunrise is at 5:45 am and sunset at 8:37 pm EDT.

Sunshine

The average sunshine in June 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 estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in June translates into this advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

The average high-temperature and low-temperature during June are 81.9°F (27.7°C) and 64.6°F (18.1°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in June is appraised at 87.8°F (31°C).

What is the average humidity in June?

In June, the average relative humidity is 74%.

How much does it rain in June?

In June, the rain falls for 15.5 days. Throughout June, 2.8" (71mm) of precipitation is accumulated.

When it does not snow?

In Riverdale Gardens, snow does not fall in May through November.

When are the longest days?

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

How many hours of daylight does Riverdale Gardens have in June?

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

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

How many hours of sunshine does Riverdale Gardens have in June?

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

When is the highest UV index?

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

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

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

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Riverdale Gardens, Maryland, USA

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