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
Lombard's July weather reaches an average high of 82.2°F (27.9°C) and an average low of 66.2°F (19°C), making it the warmest month.Heat index
July's heat index is appraised at a tropical 87.8°F (31°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. 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. 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 meaningful for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The average relative humidity in July is 76%.Rainfall
In Lombard, in July, during 17.7 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 147.3 rainfall days, and 23.86" (606mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In July, the average length of the day in Lombard is 14h and 52min.On the first day of the month, sunrise is at 5:21 am and sunset at 8:31 pm. On the last day of July, sunrise is at 5:45 am and sunset at 8:11 pm CDT.
Sunshine
July and August, with an average of 9.9h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Lombard are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during July leads to these advisories:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are the warmest months in Lombard?
What is the average July temperature in Lombard?
What is the average humidity in July in Lombard?
How many days does it rain in July in Lombard?
When it does not snow in Lombard?
What is the average length of the day in July in Lombard?
What time are sunrise and sunset in July in Lombard?
What are the months with the most sunshine in Lombard?
How long on average sun shines in July in Lombard?
What is the month with the highest UV index in Lombard?
What is the UV index reading in July in Lombard?
Average temperature in July
Lombard, IL
- Average high temperature in July: 82.2°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in July: 66.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in July
Lombard, 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
Lombard, IL
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in July
Lombard, IL
- Average humidity in July: 76%
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
Lombard, IL
- Average rainfall in July: 2.76"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in July
Lombard, IL
- Average rainfall days in July: 17.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in July
Lombard, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Lombard, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Lombard, IL
- Average daylight in July: 14h and 5min
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: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Lombard, IL
- Average sunshine days in July: 10.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in July
Lombard, 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 and December (UV index 1).
Average cloud cover in July
Lombard, IL
- Average cloud cover in July: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in July
Lombard, 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).
Lombard, Illinois, USA
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