July weather forecastSandwich, IL
July
Weather in July
July, the same as June, is another warm summer month in Sandwich, Illinois, with an average temperature ranging between max 80.6°F (27°C) and min 63.5°F (17.5°C).Temperature
Sandwich's warmest month, July, generally records average temperatures ranging from a high of 80.6°F (27°C) to a low of 63.5°F (17.5°C).Heat index
During July, the heat index is computed to be a hot 86°F (30°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
July and August, with an average relative humidity of 84%, are the most humid months.Rainfall
In Sandwich, during July, the rain falls for 20.3 days and regularly aggregates up to 3.9" (99mm) of precipitation. Throughout the year, there are 168.3 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
In Sandwich, snow does not fall in May through September.Daylight
In July, the average length of the day 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 July, the average sunshine in Sandwich, Illinois, is 9.5h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: During July, 6 as the daily maximum UV index converts into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 48min
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 30min
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).
