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
With average temperatures fluctuating between a high of 80.6°F (27°C) and a low of 63.5°F (17.5°C), July stands out as the warmest month.Heat index
The heat index value for July is estimated at a hot 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The months with the highest humidity in Sandwich are July and August, with an average relative humidity of 84%.Rainfall
In Sandwich, in July, during 20.3 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. Throughout the year, in Sandwich, there are 168.3 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Sandwich, the average length of the day in July is 14h and 50min.On the first day of the month, sunrise is at 5:24 am and sunset at 8:32 pm. On the last day of July, sunrise is at 5:48 am and sunset at 8:13 pm CDT.
Sunshine
In Sandwich, Illinois, the average sunshine in July is 9.5h.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Sandwich. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 in July translates into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What time of the year is the hottest in Sandwich?
What is the usual temperature for Sandwich in July?
What is the most humid month in Sandwich?
What is the average humidity in July in Sandwich?
How much does it rain in Sandwich in July?
When it does not snow in Sandwich?
What is the average length of the day in July in Sandwich?
When are sunrise and sunset in July in Sandwich?
How long on average sun shines in July in Sandwich?
What is the month with the highest UV index in Sandwich?
What is the UV index reading in July in Sandwich?
Average temperature in July
Sandwich, IL
- Average high temperature in July: 80.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in July: 63.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in July
Sandwich, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Sandwich, IL
- Average wind speed in July: 6.2mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in July
Sandwich, IL
- Average humidity in July: 84%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in July
Sandwich, IL
- Average rainfall in July: 3.9"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in July
Sandwich, IL
- Average rainfall days in July: 20.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in July
Sandwich, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Sandwich, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Sandwich, 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 12min).
- Average sunshine in July: 9h and 3min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Sandwich, IL
- Average sunshine days in July: 7.2 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in July
Sandwich, IL
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Sandwich, 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
Sandwich, IL
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Sandwich, Illinois, USA
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