July weather forecast
Windsor, IL

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Weather in July

July, like June, in Windsor, Illinois, is another warm summer month, with an average temperature ranging between max 82.8°F (28.2°C) and min 66.2°F (19°C).

Temperature

July stands out as Windsor's warmest month, with an average high-temperature of 82.8°F (28.2°C) and a low-temperature of 66.2°F (19°C).

Heat index

July's average heat index is computed to be a hot 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Understand that the heat index values take into account shaded locations and mild winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. 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 especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

The most humid month is July, with an average relative humidity of 83%.

Rainfall

In Windsor, during July, the rain falls for 13.5 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 116.5 rainfall days, and 11.54" (293mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Windsor, the average length of the day in July is 14h and 38min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:53 am and sunset at 8:07 pm CDT.

Sunshine

The average sunshine in July is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

July, recording an average high temperature of 82.8°F (28.2°C) and a low temperature of 66.2°F (19°C), is Windsor's warmest month.

Is it hot during July?

The high-temperature, in July, in Windsor, records 82.8°F (28.2°C), while the low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 91.4°F (33°C).

What is the most humid month?

With an average relative humidity of 83%, July is the most humid month.

What is the average humidity in July?

In July, the average relative humidity is 83%.

How many days does it rain in July?

In Windsor, in July, it is raining for 13.5 days, with typically 1.22" (31mm) of accumulated precipitation.

When it does not snow in Windsor?

April through October are months without snowfall in Windsor.

What is the average length of the day in July?

In Windsor, Illinois, the average day length in July is 14h and 38min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:07 pm CDT.

How long on average sun shines in July in Windsor?

In July, the average sunshine duration is 10h.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Windsor, IL

Average temperature in July - Windsor, IL
  • Average high temperature in July: 82.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°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 (21.9°F).

Average pressure in July
Windsor, IL

Average pressure in July - Windsor, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Windsor, IL

Average wind speed in July - Windsor, IL
  • Average wind speed in July: 6.2mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in July
Windsor, IL

Average humidity in July - Windsor, IL
  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Windsor, IL

Average rainfall in July - Windsor, IL
  • Average rainfall in July: 1.22"

The wettest month (with the highest rainfall) is June (1.46").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in July
Windsor, IL

Average rainfall days in July - Windsor, IL
  • Average rainfall days in July: 13.5 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in July
Windsor, IL

Average snowfall in July - Windsor, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Windsor, IL

Average snowfall days in July - Windsor, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Windsor, IL

Average daylight in July / Average sunshine in July - Windsor, IL
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in July: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in July
Windsor, IL

Average sunshine days in July - Windsor, IL
  • Average sunshine days in July: 13.9 days

The month with the most sunshine days is December (22.1 days).
The month with the least sunshine days is June (13.5 days).

Average UV index in July
Windsor, IL

Average UV index in July - Windsor, 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, November and December (UV index 2).

Average cloud cover in July
Windsor, IL

Average cloud cover in July - Windsor, IL
  • Average cloud cover in July: 31

The months with the most cloud cover are January and February (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 30).

Average visibility in July
Windsor, IL

Average visibility in July - Windsor, IL
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

Windsor, Illinois, USA

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