August weather forecastWaterman, IL
August
Weather in August
The last month of the summer, August, is another warm month in Waterman, Illinois, with an average temperature fluctuating between 61.5°F (16.4°C) and 79°F (26.1°C).Temperature
August's presence records an average high-temperature of a still warm 79°F (26.1°C), closely mirroring July's climate. August nights in Waterman observe an average temperature dip to a comfortable 61.5°F (16.4°C).Humidity
In Waterman, Illinois, the average relative humidity in August is 84%.Rainfall
In Waterman, during August, the rain falls for 17.2 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Waterman, Illinois, during the entire year, the rain falls for 158.9 days and collects up to 32.52" (826mm) of precipitation.Snowfall
In Waterman, snow does not fall in May through September.Daylight
In Waterman, the average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:29 pm CDT.
Sunshine
June through August, with an average of 9.6h of sunshine, are months with the most sunshine in Waterman.UV index
The months with the highest UV index in Waterman are June and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In August, an average UV index of 6 transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Waterman, IL
- Average high temperature in August: 79°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 (27.5°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in August
Waterman, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Waterman, IL
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Waterman, 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 (74%).
Average rainfall in August
Waterman, IL
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are November and December (1.69").
Average rainfall days in August
Waterman, IL
- Average rainfall days in August: 17.2 days
The month with the highest number of rainy days is July (19.2 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in August
Waterman, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Waterman, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Waterman, IL
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 36min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Waterman, IL
- Average sunshine days in August: 10.4 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in August
Waterman, IL
- Average UV index in August: 6
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Waterman, IL
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in August
Waterman, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
