August weather forecast
Northbrook, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Northbrook, Maryland, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 81.7°F (27.6°C).

Temperature

The average high-temperature during August registers at a still warm 81.7°F (27.6°C), closely corresponding to the preceding month. During August nights, Northbrook records an average temperature of 63.5°F (17.5°C).

Heat index

In August, the average heat index is computed to be a hot 87.8°F (31°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Northbrook, the average relative humidity in August is 78%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.9" (99mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Northbrook, the average length of the day in August is 13h and 41min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:39 pm EDT.

Sunshine

In Northbrook, the average sunshine in August is 9.9h.

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 vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

What is the usual temperature for Northbrook in August?

The average high-temperature, in August, in Northbrook, is 81.7°F (27.6°C), while the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in August?

The average relative humidity in August is 78%.

What is the wettest month in Northbrook?

August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.9" (99mm) of precipitation.

How many days does it rain in August in Northbrook?

In August, the rain falls for 16.7 days. Throughout August, 3.9" (99mm) of precipitation is accumulated.

When it does not snow?

In Northbrook, snow does not fall in May through September.

How many hours of daylight does Northbrook have in August?

In Northbrook, the average day length in August is 13h and 41min.

When is the sunrise / sunset in August in Northbrook?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:39 pm EDT.

How many hours of sunshine does Northbrook have in August?

In Northbrook, the average sunshine duration in August is 9.9h.

What are the months with the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Northbrook, MD

Average temperature in August - Northbrook, MD
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in August
Northbrook, MD

Average pressure in August - Northbrook, MD
  • 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 (29.94"Hg).

Average wind speed in August
Northbrook, MD

Average wind speed in August - Northbrook, MD
  • Average wind speed in August: 5.2mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Northbrook, MD

Average humidity in August - Northbrook, MD
  • Average humidity in August: 78%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, April, July and November (76%).

Average rainfall in August
Northbrook, MD

Average rainfall in August - Northbrook, MD
  • Average rainfall in August: 3.9"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (2.13").

Average rainfall days in August
Northbrook, MD

Average rainfall days in August - Northbrook, MD
  • Average rainfall days in August: 16.7 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in August
Northbrook, MD

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

The month with the highest snowfall is March (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Northbrook, MD

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

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Northbrook, 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 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in August
Northbrook, MD

Average sunshine days in August - Northbrook, MD
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in August
Northbrook, MD

Average UV index in August - Northbrook, 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
Northbrook, MD

Average cloud cover in August - Northbrook, MD
  • Average cloud cover in August: 35

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Northbrook, MD

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

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

Northbrook, Maryland, USA

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