Typical weather at station GARY CHICAGO

Station information

• Integrated Surface Dataset (ISD) station ID: 725337
• Country: US
• State: IN
• Latitude: 41.617
• Longitude: -87.4

High Temperatures

On average, the day with the warmest high temperature in GARY CHICAGO is July 17 at an average of 85.0 °F (29.4 °C).

On average, the day with the coldest high temperature in GARY CHICAGO is January 15 at an average of 31.9 °F (-0.1 °C).

Records

The warmest recorded high temperature in GARY CHICAGO was 104.0 °F (40.0 °C) on July 14 in the year 1995 at GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 .

The coldest recorded high temperature in GARY CHICAGO was -8.9 °F (-22.7 °C) on January 20 in the year 1985 at GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 .

Low Temperatures

On average, the day with the warmest low temperature in GARY CHICAGO is July 21 at an average of 68.3 °F (20.2 °C).

On average, the day with the coldest low temperature in GARY CHICAGO is January 20 at an average of 18.0 °F (-7.8 °C).

Records

The warmest recorded low temperature in GARY CHICAGO was 82.9 °F (28.3 °C) on July 14 in the year 1995 at GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 .

The coldest recorded low temperature in GARY CHICAGO was -21.8 °F (-29.9 °C) on January 20 in the year 1985 at GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 .

Freeze

When you are gardening in GARY CHICAGO, consider the chance that the weather may freeze and harm your plants. There is a greater than 5% chance of temperatures dropping below freezing in 192 of 366 days per year in GARY CHICAGO.

According to the USA National Weather Service:

Freeze occurs when the temperature drops to 32° Fahrenheit or lower. A freeze will result in significant damage to many unprotected plants, especially if the temperature remains at-or-below freezing for several hours.

Last freeze

In GARY CHICAGO during the spring season, the average last freeze date is April 16. Expect^* the last freeze date after

• April 23 in one of every two years (50%),
• May 12 in one of every ten years (10%),
• May 18 in one of every twenty years (5%),
• May 29 in one of every hundred years (1%).

First freeze

In GARY CHICAGO during the autumn (fall) season, the average first freeze date is October 25. Expect^* the first freeze date before

• October 21 in one of every two years (50%),
• October 5 in one of every ten years (10%),
• October 2 in one of every twenty years (5%),
• September 23 in one of every hundred years (1%).

Hard Freeze

According to the USA National Weather Service:

Hard freeze typically occurs when the temperature reaches 28° Fahrenheit or lower for at least an hour (or more). This usually means that most seasonal vegetation will be destroyed. In addition, there is a possibility of damage to unprotected outdoor plumbing/un-drained sprinkler systems etc.

Last hard freeze

In GARY CHICAGO during the spring season, the average last hard freeze date is April 2. Expect^* the last hard freeze date after

• April 11 in one of every two years (50%),
• April 28 in one of every ten years (10%),
• May 4 in one of every twenty years (5%),
• May 19 in one of every hundred years (1%).

First hard freeze

In GARY CHICAGO during the autumn (fall) season, the average first hard freeze date is November 10. Expect^* the first hard freeze date before

• November 2 in one of every two years (50%),
• October 14 in one of every ten years (10%),
• October 9 in one of every twenty years (5%),
• October 2 in one of every hundred years (1%).

Frost

Frost can happen at temperatures above freezing and damage delicate plants. According to the USA National Weather Service:

Frost occurs when there is a solid deposition of water vapor from the air. Frost will form when solid surfaces are cooled below the dew point. An air temperature range of 33°- 36° Fahrenheit (or colder), along with light winds, is usually needed to initiate frost formation. At least minor damage is possible to plants. One must keep in mind that frost is not guaranteed if the air is very dry and/or winds are roughly 8+ MPH.

Last frost

In GARY CHICAGO during the spring season, the average last frost date is April 27. Expect^* the last frost date after

• May 5 in one of every two years (50%),
• May 24 in one of every ten years (10%),
• May 28 in one of every twenty years (5%),
• June 5 in one of every hundred years (1%).

First frost

In GARY CHICAGO during the autumn (fall) season, the average frost date is October 12. Expect^* the first frost date before

• October 10 in one of every two years (50%),
• September 28 in one of every ten years (10%),
• September 23 in one of every twenty years (5%),
• September 15 in one of every hundred years (1%).

Details

If you would like to see the temperatures for specific days, you can click on the corresponding links below: