August weather forecastHopewell, IL
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Hopewell, Illinois, with an average temperature varying between 62.6°F (17°C) and 80.2°F (26.8°C).Temperature
August's arrival brings an average high-temperature of a still moderately hot 80.2°F (26.8°C), demonstrating subtle variation from the preceding month. During the nights in August, Hopewell experiences a consistent average temperature of 62.6°F (17°C).Humidity
The average relative humidity in August in Hopewell, Illinois, is 82%.Rainfall
In Hopewell, in August, during 15.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Hopewell, there are 148.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.Snowfall
In Hopewell, snow does not fall in May through September.Daylight
The average length of the day in August in Hopewell is 13h and 46min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:13 pm. On the last day of August, in Hopewell, sunrise is at 6:24 am and sunset at 7:31 pm CDT.
Sunshine
The average sunshine in August is 9.7h.UV index
In Hopewell, Illinois, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during August translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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
Average temperature in August
Hopewell, 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 (29.7°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in August
Hopewell, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Hopewell, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Hopewell, IL
- Average humidity in August: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Hopewell, IL
- Average rainfall in August: 2.4"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in August
Hopewell, IL
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in August
Hopewell, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Hopewell, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.4 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
Hopewell, IL
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Hopewell, IL
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in August
Hopewell, IL
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Hopewell, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Hopewell, 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).
