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
Joliett greets August with an average high-temperature of a still warm 79.5°F (26.4°C), marking a slight deviation from the preceding month. Joliett experiences an average low-temperature of 60.3°F (15.7°C) in month of August.Humidity
The average relative humidity in August is 81%.Rainfall
August is the month with the most rainfall. Rain falls for 13.6 days and accumulates 1.93" (49mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 44min.On the first day of August, sunrise is at 6:03 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:39 pm EDT.
Sunshine
In Joliett, the average sunshine in August is 9.8h.UV index
In Joliett, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
What is the rainiest month?
How much does it rain in August?
When it does not snow in Joliett?
What is the average length of the day in August?
When is the sunrise / sunset in August in Joliett?
How many hours of sunshine does Joliett have in August?
What is the UV index intensity in August?
Average temperature in August
Joliett, PA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in August
Joliett, PA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Joliett, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Joliett, PA
- Average humidity in August: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in August
Joliett, PA
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in August
Joliett, PA
- Average rainfall days in August: 13.6 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in August
Joliett, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Joliett, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Joliett, PA
- Average daylight in August: 13h and 4min
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 18min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in August
Joliett, PA
- Average sunshine days in August: 14.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in August
Joliett, PA
- 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, March, November and December (UV index 2).
Average cloud cover in August
Joliett, PA
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Joliett, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
Joliett, Pennsylvania, USA
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