August weather forecastNorthbrook, OH
August
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 42min
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 12min
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: 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: 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: 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: 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).





