June weather forecast
Derwood, MD

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Weather in June

June, the first month of the summer in Derwood, is still a warm month, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 81.3°F (27.4°C).

Temperature

June showcases a minor temperature ascent, adjusting from May's moderately hot 73.6°F (23.1°C) to a still warm 81.3°F (27.4°C). Throughout the June nights, Derwood encounters a low-temperature of 62.8°F (17.1°C).

Heat index

For most parts of June, the heat index is evaluated at a hot 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In June, the average relative humidity is 74%.

Rainfall

In June, the rain falls for 15.2 days. Throughout June, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 154.8 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

In Derwood, snow does not fall in June through October.

Daylight

June has the longest days of the year, 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 8:29 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 is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Derwood. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In June, a daily UV index of 6 turns into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Derwood in June?

The high-temperature during June is 81.3°F (27.4°C) and the low-temperature is 62.8°F (17.1°C). In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in June?

The average relative humidity in June in Derwood is 74%.

How much does it rain in June?

In Derwood, in June, it is raining for 15.2 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

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 Derwood have in June?

In June, the average day length is 14h and 52min.

What time are sunrise and sunset in June in Derwood?

On the first day of June, sunrise is at 5:44 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:38 pm EDT.

How long on average sun shines in June in Derwood?

In June, the average sunshine duration is 10.3h.

When is the highest UV index?

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

How high is the UV index in June?

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to 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
Derwood, MD

Average temperature in June - Derwood, MD
  • Average high temperature in June: 81.3°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in June: 62.8°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in June
Derwood, MD

Average pressure in June - Derwood, 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
Derwood, MD

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

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in June
Derwood, MD

Average humidity in June - Derwood, MD
  • Average humidity in June: 74%

The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).

Average rainfall in June
Derwood, MD

Average rainfall in June - Derwood, MD
  • Average rainfall in June: 2.48"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").

Average rainfall days in June
Derwood, MD

Average rainfall days in June - Derwood, MD
  • Average rainfall days in June: 15.2 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in June
Derwood, MD

Average snowfall in June - Derwood, MD
  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in June
Derwood, MD

Average snowfall days in June - Derwood, MD
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Derwood, MD

Average daylight in June / Average sunshine in June - Derwood, 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 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in June
Derwood, MD

Average sunshine days in June - Derwood, MD
  • Average sunshine days in June: 13.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in June
Derwood, MD

Average UV index in June - Derwood, 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, February, November and December (UV index 2).

Average cloud cover in June
Derwood, MD

Average cloud cover in June - Derwood, 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
Derwood, MD

Average visibility in June - Derwood, 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).

Derwood, Maryland, USA

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