Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The warmest month is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.9°F (18.3°C).Heat index
For most parts of July, the heat index is computed to be a tropical 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Note that heat index values are valued for light wind and location in the shade. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The most humid month is July, with an average relative humidity of 85%.Rainfall
In Mackinaw, Illinois, during July, the rain falls for 11.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 99.2 rainfall days, and 8.43" (214mm) of precipitation is accumulated.Snowfall
In Mackinaw, snow does not fall in May through September.Daylight
In Mackinaw, the average length of the day in July is 14h and 44min.On the first day of July in Mackinaw, sunrise is at 5:30 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:13 pm CDT.
Sunshine
In Mackinaw, the average sunshine in July is 9.8h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 during July translates into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Mackinaw?
What is the usual temperature for Mackinaw in July?
What is the most humid month in Mackinaw?
What is the average humidity in July in Mackinaw?
How many days does it rain in July in Mackinaw?
When it does not snow in Mackinaw?
How many hours of daylight does Mackinaw have in July?
When are sunrise and sunset in July in Mackinaw?
How long on average sun shines in July in Mackinaw?
When is the highest UV index in Mackinaw?
What is the UV index reading in July in Mackinaw?
Average temperature in July
Mackinaw, IL
- Average high temperature in July: 81.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in July
Mackinaw, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Mackinaw, IL
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in July
Mackinaw, IL
- Average humidity in July: 85%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Mackinaw, IL
- Average rainfall in July: 0.75"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in July
Mackinaw, IL
- Average rainfall days in July: 11.8 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in July
Mackinaw, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Mackinaw, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.8 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
Mackinaw, IL
- Average daylight in July: 14h and 4min
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 July: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in July
Mackinaw, IL
- Average sunshine days in July: 16.4 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in July
Mackinaw, 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
Mackinaw, IL
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in July
Mackinaw, IL
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Mackinaw, Illinois, USA
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