July weather forecast
Grandwood Park, IL

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Weather in July

July, the same as June, is another warm summer month in Grandwood Park, Illinois, with an average temperature varying between 64.4°F (18°C) and 79.9°F (26.6°C).

Temperature

In Grandwood Park, July records the highest average temperatures, peaking at 79.9°F (26.6°C) and reaching a low of 64.4°F (18°C).

Humidity

The average relative humidity in July is 80%.

Rainfall

In Grandwood Park, during July, the rain falls for 17.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Grandwood Park, there are 142.3 rainfall days, and 21.97" (558mm) of precipitation is accumulated.

Snowfall

In Grandwood Park, snow does not fall in June through September.

Daylight

In July, the average length of the day is 14h and 55min.
On the first day of the month, sunrise is at 5:19 am and sunset at 8:32 pm. On the last day of July, in Grandwood Park, Illinois, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

Sunshine

In July, the average sunshine is 10.1h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in Grandwood Park. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 6 in July leads to these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the warmest month in Grandwood Park?

During the warmest month in Grandwood Park, July, temperatures average a high of 79.9°F (26.6°C) and a low of 64.4°F (18°C).

What are July temperatures in Grandwood Park?

The high-temperature during July is 79.9°F (26.6°C) and the low-temperature is 64.4°F (18°C).

What is the average humidity in July in Grandwood Park?

The average relative humidity in July is 80%.

How much does it rain in Grandwood Park in July?

In Grandwood Park, Illinois, in July, during 17.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Grandwood Park?

In Grandwood Park, Illinois, snow does not fall in June through September.

How many hours of daylight does Grandwood Park have in July?

The average day length in July is 14h and 55min.

When are sunrise and sunset in July in Grandwood Park?

In July, on the first day of the month, sunrise is at 5:19 am and sunset at 8:32 pm. On the last day of the month, in Grandwood Park, Illinois, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

How many hours of sunshine does Grandwood Park have in July?

In Grandwood Park, Illinois, the average sunshine duration in July is 10.1h.

When is the highest UV index in Grandwood Park?

The months with the highest UV index in Grandwood Park, Illinois, are July and August, with an average maximum UV index of 6.

What is the UV index intensity in July in Grandwood Park?

The average daily maximum UV index in July in Grandwood Park, Illinois, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe 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
Grandwood Park, IL

Average temperature in July - Grandwood Park, 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 (27.5°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 (16.5°F).

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Average pressure in July
Grandwood Park, IL

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

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in July
Grandwood Park, IL

Average wind speed in July - Grandwood Park, IL
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in July
Grandwood Park, IL

Average humidity in July - Grandwood Park, IL
  • Average humidity in July: 80%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in July
Grandwood Park, IL

Average rainfall in July - Grandwood Park, IL
  • Average rainfall in July: 2.48"

The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").

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Average rainfall days in July
Grandwood Park, IL

Average rainfall days in July - Grandwood Park, IL
  • Average rainfall days in July: 17.5 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).

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Average snowfall in July
Grandwood Park, IL

Average snowfall in July - Grandwood Park, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Grandwood Park, IL

Average snowfall days in July - Grandwood Park, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Grandwood Park, IL

Average daylight in July / Average sunshine in July - Grandwood Park, 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 6min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in July
Grandwood Park, IL

Average sunshine days in July - Grandwood Park, IL
  • Average sunshine days in July: 11.1 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in July
Grandwood Park, IL

Average UV index in July - Grandwood Park, IL
  • Average UV index in July: 6

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in July
Grandwood Park, IL

Average cloud cover in July - Grandwood Park, IL
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 30).

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Average visibility in July
Grandwood Park, IL

Average visibility in July - Grandwood Park, IL
  • Average visibility in July: 6mi

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

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Grandwood Park, Illinois, USA

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