June weather forecast
Olney, MD

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Weather in June

The first month of the summer, June, is also a moderately hot month in Olney, Maryland, with an average temperature varying between 81.7°F (27.6°C) and 63.9°F (17.7°C).

Temperature

Olney perceives a slight temperature ascent during June, with average high-temperatures adjusting from a warm 73.9°F (23.3°C) in May to a still moderately hot 81.7°F (27.6°C). During June, Olney experiences a consistent low-temperature average of 63.9°F (17.7°C).

Heat index

For most parts of June, the heat index is calculated to be a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance 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 Olney, the average relative humidity in June is 73%.

Rainfall

In Olney, Maryland, in June, it is raining for 15.6 days, with typically 2.68" (68mm) of accumulated precipitation. In Olney, during the entire year, the rain falls for 160.9 days and collects up to 32.99" (838mm) of precipitation.

Snowfall

May through October are months without snowfall in Olney.

Daylight

With an average of 14h and 54min of daylight, June has the longest days of the year in Olney.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:28 pm. On the last day of June, in Olney, sunrise is at 5:45 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In June, an average UV index of 6 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the temperature in June in Olney?

The high-temperature, in June, in Olney, records 81.7°F (27.6°C), while the low-temperature is 63.9°F (17.7°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the average humidity in June in Olney?

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

How much does it rain in Olney in June?

In Olney, Maryland, in June, during 15.6 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Olney?

In Olney, Maryland, snow does not fall in May through October.

When are the longest days in Olney?

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

How many hours of daylight does Olney have in June?

In Olney, the average day length in June is 14h and 53min.

What time are sunrise and sunset in June in Olney?

In June, on the first day of the month, sunrise is at 5:43 am and sunset at 8:28 pm. On the last day of the month, in Olney, Maryland, sunrise is at 5:45 am and sunset at 8:38 pm EDT.

How long on average sun shines in June in Olney?

The average sunshine duration in June in Olney is 10.2h.

What are the months with the highest UV index in Olney?

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

What is the UV index intensity in June in Olney?

In Olney, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Olney, MD

Average temperature in June - Olney, 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
Olney, MD

Average pressure in June - Olney, 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
Olney, MD

Average wind speed in June - Olney, 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
Olney, MD

Average humidity in June - Olney, 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
Olney, MD

Average rainfall in June - Olney, 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
Olney, MD

Average rainfall days in June - Olney, 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
Olney, MD

Average snowfall in June - Olney, 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
Olney, MD

Average snowfall days in June - Olney, 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
Olney, MD

Average daylight in June / Average sunshine in June - Olney, 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 February (Average sunshine: 5h and 0min).

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Average sunshine days in June
Olney, MD

Average sunshine days in June - Olney, MD
  • Average sunshine days in June: 13 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

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Average UV index in June
Olney, MD

Average UV index in June - Olney, 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
Olney, MD

Average cloud cover in June - Olney, 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
Olney, MD

Average visibility in June - Olney, 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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Olney, Maryland, USA

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