August weather forecast
Cresthill, VA

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Weather in August

August, the last month of the summer in Cresthill, is also a moderately hot month, with an average temperature ranging between min 64.6°F (18.1°C) and max 84.9°F (29.4°C).

Temperature

The onset of August manifests an average high-temperature of a warm 84.9°F (29.4°C), demonstrating a minor variation from the preceding month. An average low-temperature of 64.6°F (18.1°C) is recorded in the month of August.

Heat index

August's heat index is estimated at a hot 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 hold particular significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In August, the average relative humidity in Cresthill is 74%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

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

Daylight

In Cresthill, the average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:22 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:43 pm EDT.

Sunshine

In Cresthill, the average sunshine in August is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

During August, Cresthill experiences an average high-temperature of 84.9°F (29.4°C) and a low-temperature of 64.6°F (18.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 93.2°F (34°C).

What is the average humidity in August?

In Cresthill, the average relative humidity in August is 74%.

What is the wettest month?

August is the month with the most rainfall in Cresthill. Rain falls for 16.8 days and accumulates 3.27" (83mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 16.8 days. Throughout August, 3.27" (83mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 38min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:14 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:43 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August in Cresthill is 10.2h.

When is the highest UV index?

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

What is the UV index reading in August?

In Cresthill, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
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 August
Cresthill, VA

Average temperature in August - Cresthill, VA
  • Average high temperature in August: 84.9°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in August: 64.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in August
Cresthill, VA

Average pressure in August - Cresthill, VA
  • Average pressure in August: 30"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 August
Cresthill, VA

Average wind speed in August - Cresthill, VA
  • Average wind speed in August: 4.4mph

The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in August
Cresthill, VA

Average humidity in August - Cresthill, VA
  • Average humidity in August: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in August
Cresthill, VA

Average rainfall in August - Cresthill, VA
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in August
Cresthill, VA

Average rainfall days in August - Cresthill, VA
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in August
Cresthill, VA

Average snowfall in August - Cresthill, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Cresthill, VA

Average snowfall days in August - Cresthill, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Cresthill, VA

Average daylight in August / Average sunshine in August - Cresthill, VA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in August
Cresthill, VA

Average sunshine days in August - Cresthill, VA
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in August
Cresthill, VA

Average UV index in August - Cresthill, VA
  • Average UV index in August: 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 August
Cresthill, VA

Average cloud cover in August - Cresthill, VA
  • Average cloud cover in August: 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 August
Cresthill, VA

Average visibility in August - Cresthill, VA
  • Average visibility in August: 6mi

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

Cresthill, Virginia, USA

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