Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Dow experiences an average high-temperature of a still warm 83.7°F (28.7°C) in August, marking an insignificant shift from 84.7°F (29.3°C) in July. Dow's temperature lowers to a mean of 65.5°F (18.6°C) during the nights in August.Heat index
The heat index for August is calculated to be a hot 93.2°F (34°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In Dow, the average relative humidity in August is 78%.Rainfall
In Dow, in August, during 13 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 136.5 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 38min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:32 pm CDT.
Sunshine
In Dow, the average sunshine in August is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays 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. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow in Dow?
What is the average length of the day in August?
When are sunrise and sunset in August?
How many hours of sunshine does Dow have in August?
What are the months with the highest UV index in Dow?
What is the UV index intensity in August?
Average temperature in August
Dow, IL
- Average high temperature in August: 83.7°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 (35.6°F).
- Average low temperature in August: 65.5°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in August
Dow, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Dow, IL
- Average wind speed in August: 5.8mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in August
Dow, IL
- Average humidity in August: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Dow, IL
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in August
Dow, IL
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in August
Dow, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Dow, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.2 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
Dow, IL
- 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 June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Dow, IL
- Average sunshine days in August: 15.1 days
The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).
Average UV index in August
Dow, IL
- 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
Dow, IL
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in August
Dow, IL
- 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).
Dow, Illinois, USA
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