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 highest temperatures are recorded in July, with averages reaching a high of 81.1°F (27.3°C) and a low of 64.4°F (18°C).Heat index
In July, the heat index is appraised at a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The most humid month is July, with an average relative humidity of 85%.Rainfall
In Sugar Island, during July, the rain falls for 17.2 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Sugar Island, during the entire year, the rain falls for 138.7 days and collects up to 21.77" (553mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in July in Sugar Island is 14h and 47min.On the first day of the month, sunrise is at 5:23 am and sunset at 8:27 pm. On the last day of July, sunrise is at 5:47 am and sunset at 8:08 pm CDT.
Sunshine
In Sugar Island, the average sunshine in July is 9.6h.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 during July translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
What are July temperatures in Sugar Island?
What is the most humid month?
What is the average humidity in July?
How much does it rain in July?
When it does not snow?
What is the average length of the day in July?
What time are sunrise and sunset in July?
How many hours of sunshine does Sugar Island have in July?
What is the month with the highest UV index?
What is the UV index reading in July in Sugar Island?
Average temperature in July
Sugar Island, 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 (30.2°F).
- Average low temperature in July: 64.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in July
Sugar Island, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Sugar Island, IL
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in July
Sugar Island, 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
Sugar Island, IL
- Average rainfall in July: 2.36"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").
Average rainfall days in July
Sugar Island, IL
- Average rainfall days in July: 17.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in July
Sugar Island, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Sugar Island, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (10.8 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
Sugar Island, IL
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 9h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Sugar Island, IL
- Average sunshine days in July: 10 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in July
Sugar Island, IL
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Sugar Island, 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 34).
Average visibility in July
Sugar Island, 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).
Sugar Island, Illinois, USA
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