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
The average high-temperature for August is a still moderately hot 81.7°F (27.6°C), closely aligning with the temperature of the preceding month. Throughout August, Jewett witnesses a nighttime temperature average of 64°F (17.8°C).Heat index
August's heat index is estimated at a tropical 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
The average relative humidity in August is 82%.Rainfall
In Jewett, during August, the rain falls for 10.8 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Jewett, during the entire year, the rain falls for 111.4 days and collects up to 10.31" (262mm) of precipitation.Snowfall
April through September are months without snowfall in Jewett.Daylight
The average length of the day in August in Jewett is 13h and 40min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:04 pm. On the last day of August, in Jewett, sunrise is at 6:21 am and sunset at 7:24 pm CDT.
Sunshine
In Jewett, the average sunshine in August is 10h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in August interprets into the following advice:
Fend off overexposure. Sun protection is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Jewett in August?
What is the average humidity in August in Jewett?
How many days does it rain in August in Jewett?
When it does not snow in Jewett?
What is the average length of the day in August in Jewett?
When are sunrise and sunset in August in Jewett?
How long on average sun shines in August in Jewett?
When is the highest UV index in Jewett?
What is the UV index intensity in August in Jewett?
Average temperature in August
Jewett, IL
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in August: 64°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 (22.5°F).
Average pressure in August
Jewett, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Jewett, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in August
Jewett, IL
- Average humidity in August: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Jewett, IL
- Average rainfall in August: 0.91"
The wettest month (with the highest rainfall) is April (1.3").
The driest months (with the least rainfall) are February, September and November (0.51").
Average rainfall days in August
Jewett, IL
- Average rainfall days in August: 10.8 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in August
Jewett, IL
- Average snowfall in August: 0"
The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in August
Jewett, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.3 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
Jewett, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Jewett, IL
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in August
Jewett, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Jewett, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in August
Jewett, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Jewett, Illinois, USA
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