July weather forecastMcCook, IL
July
Weather in July
July, the same as June, is another warm summer month in McCook, Illinois, with an average temperature ranging between min 66.6°F (19.2°C) and max 81.9°F (27.7°C).Temperature
July, marked by an average high-temperature of 81.9°F (27.7°C) and a low-temperature of 66.6°F (19.2°C), is the warmest month.Heat index
During July, the heat index is calculated to be a hot 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In McCook, the average relative humidity in July is 77%.Rainfall
In July, the rain falls for 18.7 days. Throughout July, 3.86" (98mm) of precipitation is accumulated. In McCook, during the entire year, the rain falls for 166.8 days and collects up to 34.96" (888mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In McCook, the average length of the day in July is 14h and 52min.On the first day of July, sunrise is at 5:20 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:10 pm CDT.
Sunshine
The average sunshine in July is 10.1h.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 6 in July suggests the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
McCook, IL
- Average high temperature in July: 81.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in July: 66.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in July
McCook, IL
- Average pressure in July: 29.97"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 July
McCook, IL
- Average wind speed in July: 6.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in July
McCook, IL
- Average humidity in July: 77%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
McCook, IL
- Average rainfall in July: 3.86"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").
Average rainfall days in July
McCook, IL
- Average rainfall days in July: 18.7 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in July
McCook, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
McCook, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13.3 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
McCook, IL
- Average daylight in July: 14h and 54min
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 July: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
McCook, IL
- Average sunshine days in July: 8.8 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in July
McCook, IL
- Average UV index in July: 6
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
McCook, IL
- Average cloud cover in July: 31
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in July
McCook, IL
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





