July weather forecastBunker Hill, IL
July
Weather in July
July, the same as June, is another warm summer month in Bunker Hill, Illinois, with an average temperature fluctuating between 84.4°F (29.1°C) and 67.5°F (19.7°C).Temperature
July, characterized by an average high temperature of 84.4°F (29.1°C) and a low temperature of 67.5°F (19.7°C), is generally the warmest month.Heat index
In July, the heat index is evaluated at a torrid 95°F (35°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
July is the most humid month, with an average relative humidity of 81%.Rainfall
In Bunker Hill, during July, the rain falls for 13.8 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Bunker Hill, during the entire year, the rain falls for 115.4 days and collects up to 13.23" (336mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in July is 14h and 35min.On the first day of July, sunrise is at 5:38 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:12 pm CDT.
Sunshine
In Bunker Hill, the average sunshine in July is 10.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in July translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Bunker Hill, IL
- Average high temperature in July: 84.4°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in July: 67.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in July
Bunker Hill, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Bunker Hill, IL
- Average wind speed in July: 5.8mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in July
Bunker Hill, IL
- Average humidity in July: 81%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Bunker Hill, IL
- Average rainfall in July: 1.5"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in July
Bunker Hill, IL
- Average rainfall days in July: 13.8 days
The months with the highest number of rainy days are May and July (13.8 days).
The month with the least rainy days is December (5.1 days).
Average snowfall in July
Bunker Hill, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Bunker Hill, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Bunker Hill, IL
- Average daylight in July: 14h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in July: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in July
Bunker Hill, IL
- Average sunshine days in July: 14.3 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in July
Bunker Hill, IL
- Average UV index in July: 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 July
Bunker Hill, IL
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in July
Bunker Hill, IL
- Average visibility in July: 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).
