August weather forecastEvanston, OH
August
Weather in August
August, the last month of the summer in Evanston, is also a moderately hot month, with an average temperature ranging between min 64.2°F (17.9°C) and max 83.8°F (28.8°C).Temperature
August's climate shows a minor adjustment in average high-temperatures to a still moderately hot 83.8°F (28.8°C) from July's 84.7°F (29.3°C). Nighttime temperatures consistently average a comfortable 64.2°F (17.9°C) during August.Heat index
In August, the heat index is estimated at a hot 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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, the rain falls for 13.6 days. Throughout August, 1.97" (50mm) of precipitation is accumulated. In Evanston, during the entire year, the rain falls for 150.9 days and collects up to 27.64" (702mm) of precipitation.Snowfall
In Evanston, Ohio, snow does not fall in May through October.Daylight
In August, the average length of the day is 13h and 39min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:49 pm. On the last day of August, sunrise is at 7:06 am and sunset at 8:09 pm EDT.
Sunshine
In Evanston, the average sunshine in August is 10.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. 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: A maximum high UV index of 6 in August translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Evanston, OH
- Average high temperature in August: 83.8°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 (36.1°F).
- Average low temperature in August: 64.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in August
Evanston, 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
Evanston, OH
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Evanston, OH
- Average humidity in August: 74%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in August
Evanston, OH
- Average rainfall in August: 1.97"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in August
Evanston, OH
- Average rainfall days in August: 13.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in August
Evanston, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Evanston, OH
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (5.5 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
Evanston, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Evanston, OH
- Average sunshine days in August: 15 days
The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in August
Evanston, OH
- 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
Evanston, OH
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Evanston, 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).
