July weather forecast
Rockford, IL

Share
The clear cityscape of the city of Rockford in Illinois
The clear cityscape of the city of Rockford in Illinois

Weather in July

As mid-summer arrives in Rockford, July becomes the warmest month of the year with the highest monthly average maximum temperature coming in at 79.9°F (26.6°C). The long, sunny days have also resulted in the highest UV index of the year at 5, signalling the need for sun protection during outdoor activities. Even the nights remain warm, with the temperature hardly ever dropping below 63°F (17.2°C). July's warm and sunny weather tops off with mild winds averaging 6.5mph (10.5km/h), ideal conditions for enjoying summer activities. With the highest average temperatures and long daylight hours, July in Rockford is genuinely a celebration of summer.

Temperature

In Rockford, the highest average temperatures are observed in July, with a high of 79.9°F (26.6°C) and a low of 63°F (17.2°C).

Humidity

In Rockford, the average relative humidity in July is 85%.

Rainfall

In Rockford, during July, the rain falls for 16.8 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Rockford, during the entire year, the rain falls for 148.1 days and collects up to 28.39" (721mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 55min.
On the first day of the month, sunrise is at 5:24 am and sunset at 8:36 pm. On the last day of July, in Rockford, Illinois, sunrise is at 5:48 am and sunset at 8:16 pm CDT.

Sunshine

With an average of 9.7h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In July, a daily maximum UV index of 5 leads to the following instructions:
Act with care - The need to guard against sun damage is communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat.
[Resources]

Frequently asked questions

What time of the year is the hottest in Rockford?

The temperatures reach their highest averages in July, with highs of 79.9°F (26.6°C) and lows of 63°F (17.2°C).

What is the usual temperature for Rockford in July?

The average high-temperature, in July, in Rockford, is 79.9°F (26.6°C), while the average low-temperature is 63°F (17.2°C).

What is the average humidity in July in Rockford?

In July, the average relative humidity is 85%.

How many days does it rain in July in Rockford?

In Rockford, in July, it is raining for 16.8 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Rockford?

In Rockford, Illinois, snow does not fall in May through September.

How many hours of daylight does Rockford have in July?

In July, the average day length in Rockford, Illinois, is 14h and 55min.

When are sunrise and sunset in July in Rockford?

In July, on the first day of the month, sunrise is at 5:24 am and sunset at 8:36 pm. On the last day of the month, in Rockford, Illinois, sunrise is at 5:48 am and sunset at 8:16 pm CDT.

What month has the most sunshine in Rockford?

July has the most sunshine of the year in Rockford, Illinois, with an average of 9.7h of sunshine.

How long on average sun shines in July in Rockford?

In July, the average sunshine duration is 9.7h.

What are the months with the highest UV index in Rockford?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Rockford, Illinois.

What is the UV index reading in July in Rockford?

In Rockford, Illinois, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Rockford, IL

Average temperature in July - Rockford, IL
  • Average high temperature in July: 79.9°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in July: 63°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

[Resources]

Average pressure in July
Rockford, IL

Average pressure in July - Rockford, IL
  • Average pressure in July: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in July
Rockford, IL

Average wind speed in July - Rockford, IL
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

[Resources]

Average humidity in July
Rockford, IL

Average humidity in July - Rockford, IL
  • Average humidity in July: 85%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).

[Resources]

Average rainfall in July
Rockford, IL

Average rainfall in July - Rockford, IL
  • Average rainfall in July: 2.91"

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is February (1.26").

[Resources]

Average rainfall days in July
Rockford, IL

Average rainfall days in July - Rockford, IL
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (4.3 days).

[Resources]

Average snowfall in July
Rockford, IL

Average snowfall in July - Rockford, 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").

[Resources]

Average snowfall days in July
Rockford, IL

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

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in July / Average sunshine in July - Rockford, 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 4min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in July
Rockford, IL

Average sunshine days in July - Rockford, IL
  • Average sunshine days in July: 10.6 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.8 days).

[Resources]

Average UV index in July
Rockford, IL

Average UV index in July - Rockford, IL
  • Average UV index in July: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

[Resources]

Average cloud cover in July
Rockford, IL

Average cloud cover in July - Rockford, IL
  • Average cloud cover in July: 35

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).

[Resources]

Average visibility in July
Rockford, IL

Average visibility in July - Rockford, 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).

[Resources]

Rockford, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location