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
Bartlett's weather in August, with an average high-temperature of a still warm 79.9°F (26.6°C), subtly shifts from July's 81.3°F (27.4°C). August's nights observe an average temperature of 63.7°F (17.6°C).Humidity
In Bartlett, the average relative humidity in August is 78%.Rainfall
In Bartlett, during August, the rain falls for 15.8 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Bartlett, during the entire year, the rain falls for 141.5 days and collects up to 22.76" (578mm) of precipitation.Snowfall
In Bartlett, Illinois, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 49min.On the first day of August in Bartlett, sunrise is at 5:47 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:27 pm CDT.
Sunshine
July and August, with an average of 9.8h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Bartlett are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are August temperatures in Bartlett?
What is the average humidity in August in Bartlett?
How many days does it rain in August in Bartlett?
When it does not snow in Bartlett?
What is the average length of the day in August in Bartlett?
When are sunrise and sunset in August in Bartlett?
What is the month with the most sunshine in Bartlett?
How long on average sun shines in August in Bartlett?
What is the month with the highest UV index in Bartlett?
What is the UV index reading in August in Bartlett?
Average temperature in August
Bartlett, IL
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in August
Bartlett, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Bartlett, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Bartlett, IL
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Bartlett, IL
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in August
Bartlett, IL
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in August
Bartlett, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Bartlett, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Bartlett, IL
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Bartlett, IL
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in August
Bartlett, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Bartlett, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in August
Bartlett, IL
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Bartlett, Illinois, USA
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