August weather forecastHamilton, IL
August
Weather in August
The last month of the summer, August, is another warm month in Hamilton, Illinois, with an average temperature varying between 82.8°F (28.2°C) and 64°F (17.8°C).Temperature
The beginning of August records an average high-temperature of a still warm 82.8°F (28.2°C), almost echoing the conditions of the previous month. The mean low-temperature during August nights in Hamilton, Illinois, is a refreshing 64°F (17.8°C).Heat index
In August, the heat index is estimated at a tropical 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In August, the average relative humidity is 78%.Rainfall
In Hamilton, in August, it is raining for 11.5 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 129.9 rainfall days, and 20.71" (526mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August in Hamilton is 13h and 43min.On the first day of August, sunrise is at 6:03 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:38 pm CDT.
Sunshine
The average sunshine in August in Hamilton is 10.1h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Hamilton. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 in August translates into these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hamilton, IL
- Average high temperature in August: 82.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in August
Hamilton, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Hamilton, IL
- Average wind speed in August: 6.6mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Hamilton, IL
- Average humidity in August: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Hamilton, IL
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in August
Hamilton, IL
- Average rainfall days in August: 11.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in August
Hamilton, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Hamilton, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.9 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
Hamilton, 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 18min).
- Average sunshine in August: 10h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in August
Hamilton, IL
- Average sunshine days in August: 17.5 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in August
Hamilton, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Hamilton, IL
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in August
Hamilton, IL
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
