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
Gillum's July weather, marked by an average high temperature of 80.8°F (27.1°C) and an average low temperature of 64.9°F (18.3°C), is the warmest in the year.Heat index
For July, the heat index is calculated to be a hot 87.8°F (31°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
July is the most humid month in Gillum, Illinois, with an average relative humidity of 86%.Rainfall
In July, the rain falls for 19.2 days. Throughout July, 3.15" (80mm) of precipitation is accumulated. In Gillum, Illinois, during the entire year, the rain falls for 163.1 days and collects up to 33.62" (854mm) of precipitation.Snowfall
May through September are months without snowfall in Gillum.Daylight
The average length of the day in July is 14h and 43min.On the first day of July, sunrise is at 5:29 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:11 pm CDT.
Sunshine
In July, the average sunshine in Gillum, Illinois, is 9.4h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Gillum, Illinois. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 6 during July leads to these instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are the warmest months in Gillum?
What are July temperatures in Gillum?
What is the most humid month in Gillum?
What is the average humidity in July in Gillum?
How much does it rain in Gillum in July?
When it does not snow in Gillum?
What is the average length of the day in July in Gillum?
What time are sunrise and sunset in July in Gillum?
How long on average sun shines in July in Gillum?
What are the months with the highest UV index in Gillum?
What is the UV index intensity in July in Gillum?
Average temperature in July
Gillum, IL
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°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 (18.9°F).
Average pressure in July
Gillum, 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 (29.92"Hg).
Average wind speed in July
Gillum, IL
- Average wind speed in July: 6.7mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in July
Gillum, IL
- Average humidity in July: 86%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Gillum, IL
- Average rainfall in July: 3.15"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is December (1.93").
Average rainfall days in July
Gillum, IL
- Average rainfall days in July: 19.2 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in July
Gillum, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Gillum, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.8 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
Gillum, 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 2min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Gillum, IL
- Average sunshine days in July: 8.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in July
Gillum, 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, October, November and December (UV index 2).
Average cloud cover in July
Gillum, IL
- Average cloud cover in July: 36
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in July
Gillum, IL
- Average visibility in July: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Gillum, Illinois, USA
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