August weather forecastParnell, IL
August
Weather in August
August, the last month of the summer in Parnell, is another warm month, with an average temperature varying between 63.3°F (17.4°C) and 80.2°F (26.8°C).Temperature
Parnell's average high-temperature in August is a still warm 80.2°F (26.8°C), indicating a subtle variation from July. Parnell's average low-temperature is measured at a comfortable 63.3°F (17.4°C) during August.Humidity
In August, the average relative humidity is 83%.Rainfall
In August, the rain falls for 13.7 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Parnell, there are 138.7 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
In Parnell, snow does not fall in May through October.Daylight
The average length of the day in August in Parnell, Illinois, is 13h and 43min.On the first day of August, sunrise is at 5:53 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:27 pm CDT.
Sunshine
In Parnell, the average sunshine in August is 9.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in August leads to these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Parnell, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in August: 63.3°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 (19.9°F).
Average pressure in August
Parnell, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Parnell, IL
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Parnell, IL
- Average humidity in August: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Parnell, IL
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in August
Parnell, IL
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in August
Parnell, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Parnell, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.6 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
Parnell, IL
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in August
Parnell, IL
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in August
Parnell, IL
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Parnell, IL
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in August
Parnell, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
