July weather forecast and climate
Colonial Village, DC

July in Colonial Village, District of Columbia, is a hot summer month, with average temperature varying between 88°F (31.1°C) and 69.1°F (20.6°C).

Temperature

With an average high-temperature of 88°F (31.1°C) and an average low-temperature of 69.1°F (20.6°C), July is the warmest month.

Heat index

In July, the average heat index is calculated to a torrid 100.8°F (38.2°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

Months with the lowest humidity are April and July, with an average relative humidity of 71%.

Rainfall

In Colonial Village, it is raining for 16.4 days, with typically 2.76" (70mm) of accumulated precipitation. In Colonial Village, 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

In July, the average length of the day is 14.6h.

Sunshine

The month with the most sunshine in Colonial Village is July, with an average of 10.7h of sunshine.

UV index

In Colonial Village, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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 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.

What is the warmest month in Colonial Village?

With an average high-temperature of 88°F (31.1°C) and an average low-temperature of 69.1°F (20.6°C), July is the warmest month in Colonial Village, District of Columbia.

What is the temperature in July in Colonial Village?

The average high-temperature, in July, is 88°F (31.1°C), while the average low-temperature is 69.1°F (20.6°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, is evaluated at 100.8°F (38.2°C).

What is the least humid month in Colonial Village?

April and July, with an average relative humidity of 71%, are the least humid months.

What is the average humidity in July in Colonial Village?

In July, the average relative humidity in Colonial Village, District of Columbia, is 71%.

How much does it rain in Colonial Village in July?

In Colonial Village, District of Columbia, in July, during 16.4 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow in Colonial Village?

In Colonial Village snow does not fall in April through November.

How many hours of daylight does Colonial Village have in July?

In Colonial Village, District of Columbia, the average length of the day in July is 14.6h.

What month has the most sunshine in Colonial Village?

July has the most sunshine of the year in Colonial Village, District of Columbia, with an average of 10.7h of sunshine.

How long on average sun shines in July in Colonial Village?

In Colonial Village, the average sunshine in July is 10.7h.

What is the UV index intensity in July in Colonial Village?

The average daily maximum UV index in July in Colonial Village, District of Columbia, is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in July - Colonial Village, DC
  • Average high temperature in July: 88°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 July: 69.1°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).

Average pressure in July - Colonial Village, DC
  • Average pressure in July: 29.97"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

Average wind speed in July - Colonial Village, DC
  • Average wind speed in July: 5.1mph

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).

Average humidity in July - Colonial Village, DC
  • Average humidity in July: 71%

The month with the highest relative humidity is May (76%).
Months with the lowest relative humidity are April and July (71%).

Average rainfall in July - Colonial Village, DC
  • Average rainfall in July: 2.76"

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").

Average rainfall days in July - Colonial Village, DC
  • Average rainfall days in July: 16.4 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).

Average snowfall in July - Colonial Village, DC
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.17").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in July - Colonial Village, DC
  • Average snowfall days in July: 0 days

Months with the highest number of snowfall days are January and February (3.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in July / Average sunshine in July - Colonial Village, DC
  • Average daylight in July: 14.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in July: 10.7h

The month with the most sunshine is July (Average sunshine: 10.7h).
Months with the least sunshine are January, February and December (Average sunshine: 5.1).

Average sunshine days in July - Colonial Village, DC
  • Average sunshine days in July: 13.1 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in July - Colonial Village, DC
  • Average UV index in July: 6

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in July - Colonial Village, DC
  • Average cloud cover in July: 30

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 July - Colonial Village, DC
  • Average visibility in July: 6mi

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).