August weather forecastPeru, IL
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Peru, Illinois, with an average temperature fluctuating between 79.5°F (26.4°C) and 62.1°F (16.7°C).Temperature
August's onset records an average high-temperature of a still moderately hot 79.5°F (26.4°C), a near match to July's 80.6°F (27°C). August nights cool down to an average low-temperature of 62.1°F (16.7°C).Humidity
In August, the average relative humidity is 84%.Rainfall
In Peru, during August, the rain falls for 15 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 151.4 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
In Peru, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:30 pm CDT.
Sunshine
In Peru, the average sunshine in August is 9.7h.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Peru, IL
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in August: 62.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in August
Peru, 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
Peru, IL
- Average wind speed in August: 6.2mph
The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Peru, IL
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Peru, IL
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in August
Peru, IL
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in August
Peru, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Peru, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.1 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
Peru, 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 54min).
Average sunshine days in August
Peru, IL
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in August
Peru, 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 and December (UV index 1).
Average cloud cover in August
Peru, 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
Peru, IL
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
