August weather forecast
Westchester, MD

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Weather in August

The last month of the summer, August, is another warm month in Westchester, Maryland, with an average temperature fluctuating between 67.3°F (19.6°C) and 83.5°F (28.6°C).

Temperature

The transition into August shows a subtle variation to a still moderately hot 83.5°F (28.6°C) from July's 85.6°F (29.8°C) in the average high-temperature. The average nighttime temperature lowers to a refreshing 67.3°F (19.6°C) throughout August.

Heat index

In August, the heat index is computed to be a tropical 89.6°F (32°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in August is 73%.

Rainfall

The month with the most rainfall is August, when the rain falls for 15.9 days and typically aggregates up to 3.74" (95mm) of precipitation.

Snowfall

In Westchester, snow does not fall in May through October.

Daylight

In Westchester, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:38 pm EDT.

Sunshine

The average sunshine in August is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

Is it hot during August?

August temperatures vary between a high-temperature of 83.5°F (28.6°C) and a low-temperature of 67.3°F (19.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in August?

In Westchester, the average relative humidity in August is 73%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 15.9 days and typically aggregates up to 3.74" (95mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 15.9 days. Throughout August, 3.74" (95mm) of precipitation is accumulated.

When it does not snow?

In Westchester, snow does not fall in May through October.

What is the average length of the day in August?

In Westchester, the average day length in August is 13h and 40min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of the month, in Westchester, sunrise is at 6:35 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Westchester have in August?

The average sunshine duration in August is 10.4h.

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 August?

In August, the average daily maximum UV index in Westchester, Maryland, 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
Westchester, MD

Average temperature in August - Westchester, MD
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in August
Westchester, MD

Average pressure in August - Westchester, MD
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Westchester, MD

Average wind speed in August - Westchester, MD
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Westchester, MD

Average humidity in August - Westchester, MD
  • Average humidity in August: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in August
Westchester, MD

Average rainfall in August - Westchester, MD
  • Average rainfall in August: 3.74"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in August
Westchester, MD

Average rainfall days in August - Westchester, MD
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in August
Westchester, MD

Average snowfall in August - Westchester, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Westchester, MD

Average snowfall days in August - Westchester, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Westchester, MD

Average daylight in August / Average sunshine in August - Westchester, MD
  • Average daylight in August: 13h and 4min

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 August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Westchester, MD

Average sunshine days in August - Westchester, MD
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in August
Westchester, MD

Average UV index in August - Westchester, MD
  • 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
Westchester, MD

Average cloud cover in August - Westchester, MD
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in August
Westchester, MD

Average visibility in August - Westchester, MD
  • Average visibility in August: 6mi

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

Westchester, Maryland, USA

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