August weather forecast
Grantham Hall, MD

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Weather in August

August, the last month of the summer in Grantham Hall, is also a moderately hot month, with an average temperature varying between 82.9°F (28.3°C) and 70.5°F (21.4°C).

Temperature

Grantham Hall signifies an average high-temperature of a still moderately hot 82.9°F (28.3°C) in August, closely mirroring the 84.7°F (29.3°C) of July. In the month of August, Grantham Hall experiences an average low-temperature of 70.5°F (21.4°C).

Heat index

The heat index value for August is estimated at a hot 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In August, the average relative humidity is 75%.

Rainfall

August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.4" (61mm) of precipitation.

Snowfall

In Grantham Hall, snow does not fall in April through October.

Daylight

In Grantham Hall, the average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:37 pm EDT.

Sunshine

In Grantham Hall, the average sunshine in August is 10.5h.

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: During August, 6 as the daily maximum UV index converts into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

During August, Grantham Hall experiences an average high-temperature of 82.9°F (28.3°C) and a low-temperature of 70.5°F (21.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is estimated at 89.6°F (32°C).

What is the average humidity in August?

In Grantham Hall, the average relative humidity in August is 75%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.4" (61mm) of precipitation.

How much does it rain in August?

In Grantham Hall, in August, it is raining for 14.8 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow?

In Grantham Hall, Maryland, snow does not fall in April through October.

What is the average length of the day in August in Grantham Hall?

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

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:08 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:37 pm EDT.

How many hours of sunshine does Grantham Hall have in August?

In Grantham Hall, the average sunshine duration in August is 10.5h.

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 August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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
Grantham Hall, MD

Average temperature in August - Grantham Hall, MD
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in August
Grantham Hall, MD

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Grantham Hall, MD

Average wind speed in August - Grantham Hall, MD
  • Average wind speed in August: 6.7mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in August
Grantham Hall, MD

Average humidity in August - Grantham Hall, MD
  • Average humidity in August: 75%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in August
Grantham Hall, MD

Average rainfall in August - Grantham Hall, MD
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in August
Grantham Hall, MD

Average rainfall days in August - Grantham Hall, MD
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in August
Grantham Hall, MD

Average snowfall in August - Grantham Hall, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Grantham Hall, MD

Average snowfall days in August - Grantham Hall, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (2.9 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
Grantham Hall, MD

Average daylight in August / Average sunshine in August - Grantham Hall, MD
  • 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in August
Grantham Hall, MD

Average sunshine days in August - Grantham Hall, MD
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

Average UV index in August
Grantham Hall, MD

Average UV index in August - Grantham Hall, 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 and December (UV index 2).

Average cloud cover in August
Grantham Hall, MD

Average cloud cover in August - Grantham Hall, MD
  • Average cloud cover in August: 29

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in August
Grantham Hall, MD

Average visibility in August - Grantham Hall, 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).

Grantham Hall, Maryland, USA

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