Typical weather at station CHICAGO / CALUMET COAST GUARD

Station information

• Integrated Surface Dataset (ISD) station ID: 725344
• Country: US
• Latitude: 41.72
• Longitude: -87.53

High Temperatures

On average, the day with the warmest high temperature in CHICAGO / CALUMET COAST GUARD is July 13 at an average of 91.9 °F (33.3 °C).

On average, the day with the coldest high temperature in CHICAGO / CALUMET COAST GUARD is February 4 at an average of 17.1 °F (-8.3 °C).

Records

The warmest recorded high temperature in CHICAGO / CALUMET COAST GUARD was 101.8 °F (38.8 °C) on July 13 in the year 1995 at CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 .

The coldest recorded high temperature in CHICAGO / CALUMET COAST GUARD was -4.0 °F (-20.0 °C) on February 3 in the year 1996 at CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 .

Low Temperatures

On average, the day with the warmest low temperature in CHICAGO / CALUMET COAST GUARD is July 14 at an average of 73.3 °F (22.9 °C).

On average, the day with the coldest low temperature in CHICAGO / CALUMET COAST GUARD is February 4 at an average of 4.4 °F (-15.3 °C).

Records

The warmest recorded low temperature in CHICAGO / CALUMET COAST GUARD was 84.9 °F (29.4 °C) on August 12 in the year 1995 at CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 .

The coldest recorded low temperature in CHICAGO / CALUMET COAST GUARD was -16.1 °F (-26.7 °C) on February 3 in the year 1996 at CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 .

Freeze

When you are gardening in CHICAGO / CALUMET COAST GUARD, 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 164 of 366 days per year in CHICAGO / CALUMET COAST GUARD.

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 CHICAGO / CALUMET COAST GUARD during the spring season, the average last freeze date is no freezing temperatures all season. Expect^* the last freeze date after

• April 27 in one of every two years (50%),
• May 19 in one of every ten years (10%),
• May 29 in one of every twenty years (5%),
• June 14 in one of every hundred years (1%).

First freeze

In CHICAGO / CALUMET COAST GUARD during the autumn (fall) season, the average first freeze date is no freezing temperatures all season. Expect^* the first freeze date before

• November 2 in one of every two years (50%),
• September 29 in one of every ten years (10%),
• September 23 in one of every twenty years (5%),
• September 22 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 CHICAGO / CALUMET COAST GUARD during the spring season, the average last hard freeze date is no freezing temperatures all season. Expect^* the last hard freeze date after

• April 11 in one of every two years (50%),
• May 18 in one of every ten years (10%),
• May 19 in one of every twenty years (5%),
• May 30 in one of every hundred years (1%).

First hard freeze

In CHICAGO / CALUMET COAST GUARD during the autumn (fall) season, the average first hard freeze date is no freezing temperatures all season. Expect^* the first hard freeze date before

• November 4 in one of every two years (50%),
• October 27 in one of every ten years (10%),
• October 16 in one of every twenty years (5%),
• September 22 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 CHICAGO / CALUMET COAST GUARD during the spring season, the average last frost date is no freezing temperatures all season. Expect^* the last frost date after

• May 14 in one of every two years (50%),
• May 30 in one of every ten years (10%),
• May 31 in one of every twenty years (5%),
• June 15 in one of every hundred years (1%).

First frost

In CHICAGO / CALUMET COAST GUARD during the autumn (fall) season, the average frost date is no frost all season. Expect^* the first frost date before

• October 21 in one of every two years (50%),
• September 22 in one of every ten years (10%),
• September 22 in one of every twenty years (5%),
• September 17 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: