August weather forecast
Northbrook, OH

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Weather in August

August, the last month of the summer in Northbrook, is another warm month, with an average temperature fluctuating between 83.1°F (28.4°C) and 64.8°F (18.2°C).

Temperature

Northbrook, Ohio, marks the start of August with an average high-temperature of a still warm 83.1°F (28.4°C), hinting at a slight fluctuation from July's 84°F (28.9°C). Northbrook's average low-temperature for the month of August records at an enjoyable 64.8°F (18.2°C).

Heat index

August's heat index is estimated at a tropical 89.6°F (32°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 extremely vital to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

August through October, with an average relative humidity of 74%, are the least humid months.

Rainfall

In August, in Northbrook, the rain falls for 10.8 days. Throughout August, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Northbrook, there are 121.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.

Snowfall

In Northbrook, Ohio, snow does not fall in May through October.

Daylight

In Northbrook, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:39 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:10 pm EDT.

Sunshine

In August, the average sunshine in Northbrook, Ohio, is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Northbrook?

In Northbrook, in August, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 89.6°F (32°C).

What is the least humid month in Northbrook?

August through October, with an average relative humidity of 74%, are the least humid months in Northbrook, Ohio.

What is the average humidity in August in Northbrook?

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

How many days does it rain in August in Northbrook?

In August, in Northbrook, the rain falls for 10.8 days. Throughout August, 0.91" (23mm) of precipitation is accumulated.

When it does not snow in Northbrook?

May through October are months without snowfall.

What is the average length of the day in August in Northbrook?

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

What time are sunrise and sunset in August in Northbrook?

On the first day of August in Northbrook, Ohio, sunrise is at 6:39 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:10 pm EDT.

How many hours of sunshine does Northbrook have in August?

In Northbrook, Ohio, the average sunshine duration in August is 10.2h.

What is the month with the highest UV index in Northbrook?

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

What is the UV index reading in August in Northbrook?

The average daily maximum UV index in August in Northbrook is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Northbrook, OH

Average temperature in August - Northbrook, OH
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in August
Northbrook, OH

Average pressure in August - Northbrook, OH
  • Average pressure in August: 29.99"Hg

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

Average wind speed in August
Northbrook, OH

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

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in August
Northbrook, OH

Average humidity in August - Northbrook, OH
  • Average humidity in August: 74%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in August
Northbrook, OH

Average rainfall in August - Northbrook, OH
  • Average rainfall in August: 0.91"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in August
Northbrook, OH

Average rainfall days in August - Northbrook, OH
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in August
Northbrook, OH

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

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Northbrook, OH

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

The month with the highest number of snowfall days is February (6.1 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, OH

Average daylight in August / Average sunshine in August - Northbrook, OH
  • 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Northbrook, OH

Average sunshine days in August - Northbrook, OH
  • Average sunshine days in August: 18.4 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (14 days).

Average UV index in August
Northbrook, OH

Average UV index in August - Northbrook, OH
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Northbrook, OH

Average cloud cover in August - Northbrook, OH
  • Average cloud cover in August: 26

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in August
Northbrook, OH

Average visibility in August - Northbrook, OH
  • 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).

Northbrook, Ohio, USA

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