June weather forecast
Washington, DC

Rows of jacaranda trees in spring in the tidal basin of the Washington Monument in Washington city, DC, USA
Rows of jacaranda trees in spring in the tidal basin of the Washington Monument in Washington city, DC, USA

Weather in June

June, the first month of the summer in Washington, is still a warm month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 82.8°F (28.2°C).

Temperature

In Washington, District of Columbia, the average high-temperature in June marginally rises from 74.5°F (23.6°C) in May to a still warm 82.8°F (28.2°C). In June, in Washington, the average low-temperature is 64.2°F (17.9°C).

Heat index

The average heat index in June is calculated to be a hot 88.7°F (31.5°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, differences in body mass, height, and shape, metabolic differences), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in June in Washington is 73%.

Rainfall

In June, the rain falls for 14.2 days. Throughout June, 2.4" (61mm) of precipitation is accumulated. In Washington, 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

With an average of 14h and 51min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:44 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:37 pm EDT.

Sunshine

In Washington, District of Columbia, the average sunshine in June is 10.2h.

UV index

June is the month with the highest UV index, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in June transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in June in Washington?

In Washington, in June, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in June is calculated to be 88.7°F (31.5°C).

What is the average humidity in June in Washington?

In June, the average relative humidity is 73%.

How much does it rain in Washington in June?

In June, the rain falls for 14.2 days. Throughout June, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Washington?

April through November are months without snowfall.

When are the longest days in Washington?

June has the longest days of the year in Washington, District of Columbia, with an average of 14h and 51min of daylight.

What is the average length of the day in June in Washington?

In Washington, the average day length in June is 14h and 51min.

When is the sunrise / sunset in June in Washington?

In June, on the first day of the month, sunrise is at 5:44 am and sunset at 8:27 pm. On the last day of the month, in Washington, District of Columbia, sunrise is at 5:46 am and sunset at 8:37 pm EDT.

How many hours of sunshine does Washington have in June?

In Washington, the average sunshine duration in June is 10.2h.

When is the highest UV index in Washington?

June is the month with the highest UV index in Washington, District of Columbia, with an average maximum UV index of 7.

What is the UV index intensity in June in Washington?

In June, the average daily maximum UV index in Washington, District of Columbia, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Washington, DC

Average temperature in June - Washington, DC
  • 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).

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Average pressure in June
Washington, DC

Average pressure in June - Washington, DC
  • 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
Washington, DC

Average wind speed in June - Washington, DC
  • 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).

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Average humidity in June
Washington, DC

Average humidity in June - Washington, DC
  • 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%).

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Average rainfall in June
Washington, DC

Average rainfall in June - Washington, DC
  • 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").

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Average rainfall days in June
Washington, DC

Average rainfall days in June - Washington, DC
  • 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).

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Average snowfall in June
Washington, DC

Average snowfall in June - Washington, DC
  • 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").

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Average snowfall days in June
Washington, DC

Average snowfall days in June - Washington, DC
  • 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).

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Average daylight in June /
Average sunshine in June
Washington, DC

Average daylight in June / Average sunshine in June - Washington, DC
  • Average daylight in June: 14h and 51min

The month with the longest days is June (Average daylight: 14h and 51min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in June: 10h and 12min

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).

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Average sunshine days in June
Washington, DC

Average sunshine days in June - Washington, DC
  • 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).

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Average UV index in June
Washington, DC

Average UV index in June - Washington, DC
  • 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).

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Average cloud cover in June
Washington, DC

Average cloud cover in June - Washington, DC
  • 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).

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Average visibility in June
Washington, DC

Average visibility in June - Washington, DC
  • 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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