August weather forecast and climate
Washington, NC

August, the last month of the summer, in Washington, is another hot month, with average temperature varying between 87.4°F (30.8°C) and 70°F (21.1°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still hot 87.4°F (30.8°C). In August, in Washington, the average low-temperature is 70°F (21.1°C).

Heat index

In August, the average heat index is estimated at a scorching 104.4°F (40.2°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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', 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 (pregnancy, differences in body mass, height, and shape, wind), 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 especially crucial for babies and toddlers. 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. Excessive warmth is eliminated from the body by evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. 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

August, September and December, with an average relative humidity of 80%, are most humid months in Washington.

Rainfall

The month with the most rainfall in Washington is August when the rain falls for 19.8 days and typically aggregates up to 4.17" (106mm) of precipitation.

Snowfall

April through October are months without snowfall in Washington, North Carolina.

Daylight

In August, the average length of the day is 13.5h.

Sunshine

The average sunshine in August is 9.9h.

UV index

In Washington, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Washington?

The average high-temperature, in August, is 87.4°F (30.8°C), while the average low-temperature is 70°F (21.1°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that factores the actual air temperature with the relative humidity, is calculated to 104.4°F (40.2°C).

What are the most humid months in Washington?

August, September and December, with an average relative humidity of 80%, are most humid months in Washington, North Carolina.

What is the average humidity in August in Washington?

In Washington, the average relative humidity in August is 80%.

How many days does it rain in August in Washington?

In Washington, during August, the rain falls for 19.8 days and regularly aggregates up to 4.17" (106mm) of precipitation.

What is the rainiest month in Washington?

The month with the most rainfall in Washington is August when the rain falls for 19.8 days and typically aggregates up to 4.17" (106mm) of precipitation.

When it does not snow in Washington?

April through October are months without snowfall in Washington, North Carolina.

How many hours of daylight does Washington have in August?

In Washington, the average length of the day in August is 13.5h.

How long on average sun shines in August in Washington?

The average sunshine in August in Washington is 9.9h.

What is the UV index reading in August in Washington?

The average daily maximum UV index in August in Washington, North Carolina, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in August - Washington, NC
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in August: 70°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

Average pressure in August - Washington, NC
  • Average pressure in August: 29.99"

Months with the highest atmospheric pressure are November and December (30.13").
The month with the lowest atmospheric pressure is June (29.96").

Average wind speed in August - Washington, NC
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in August - Washington, NC
  • Average humidity in August: 80%

Months with the highest relative humidity are August, September and December (80%).
Months with the lowest relative humidity are January and April (76%).

Average rainfall in August - Washington, NC
  • Average rainfall in August: 4.17"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in August - Washington, NC
  • Average rainfall days in August: 19.8 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in August - Washington, NC
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.1").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August - Washington, NC
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (1.6 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Washington, NC
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in August: 9.9h

Months with the most sunshine are June and July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 5.3h).

Average sunshine days in August - Washington, NC
  • Average sunshine days in August: 8.9 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in August - Washington, NC
  • Average UV index in August: 6

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

Average cloud cover in August - Washington, NC
  • Average cloud cover in August: 39

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and October (Cloud cover 35).

Average visibility in August - Washington, NC
  • Average visibility in August: 5mi

Months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
Months with the lowest visibility are May, July, August and September (5mi).