August weather forecast
Lake Forest, MD

Share

Weather in August

August, the last month of the summer in Lake Forest, is also a moderately hot month, with an average temperature ranging between min 69.1°F (20.6°C) and max 83.7°F (28.7°C).

Temperature

The advent of August brings an average high-temperature of a still moderately hot 83.7°F (28.7°C), almost identical to the preceding month. During August, Lake Forest witnesses a consistent average low-temperature of 69.1°F (20.6°C).

Heat index

August's average heat index is estimated at a tropical 91.4°F (33°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

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

Rainfall

The month with the most rainfall is August, when the rain falls for 13.9 days and typically aggregates up to 3.54" (90mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Lake Forest, the average length of the day in August is 13h and 39min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:34 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 reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

The average high-temperature, in August, in Lake Forest, is 83.7°F (28.7°C), while the average low-temperature is 69.1°F (20.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 91.4°F (33°C).

What is the average humidity in August?

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 13.9 days and typically aggregates up to 3.54" (90mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 13.9 days. Throughout August, 3.54" (90mm) of precipitation is accumulated.

When it does not snow?

In Lake Forest, snow does not fall in May through October.

How many hours of daylight does Lake Forest have in August?

In Lake Forest, the average day length in August is 13h and 39min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Lake Forest have in August?

The average sunshine duration in August is 10.4h.

What is the month with the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Lake Forest, MD

Average temperature in August - Lake Forest, MD
  • Average high temperature in August: 83.7°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 (39.6°F).

  • Average low temperature in August: 69.1°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in August
Lake Forest, MD

Average pressure in August - Lake Forest, 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
Lake Forest, MD

Average wind speed in August - Lake Forest, MD
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in August
Lake Forest, MD

Average humidity in August - Lake Forest, MD
  • Average humidity in August: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in August
Lake Forest, MD

Average rainfall in August - Lake Forest, MD
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in August
Lake Forest, MD

Average rainfall days in August - Lake Forest, MD
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in August
Lake Forest, MD

Average snowfall in August - Lake Forest, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Lake Forest, MD

Average snowfall days in August - Lake Forest, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.4 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
Lake Forest, MD

Average daylight in August / Average sunshine in August - Lake Forest, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in August
Lake Forest, MD

Average sunshine days in August - Lake Forest, MD
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Lake Forest, MD

Average UV index in August - Lake Forest, 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, November and December (UV index 2).

Average cloud cover in August
Lake Forest, MD

Average cloud cover in August - Lake Forest, MD
  • Average cloud cover in August: 30

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Lake Forest, MD

Average visibility in August - Lake Forest, 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).

Lake Forest, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location