Typical weather at station WILMETTE (MARINES)&

Station information

• Integrated Surface Dataset (ISD) station ID: 725307
• Country: US
• State: IL
• Latitude: 42.067
• Longitude: -87.683

High Temperatures

On average, the day with the warmest high temperature in WILMETTE (MARINES)& is July 14 at an average of 91.6 °F (33.1 °C).

On average, the day with the coldest high temperature in WILMETTE (MARINES)& is January 10 at an average of 15.1 °F (-9.4 °C).

Records

The warmest recorded high temperature in WILMETTE (MARINES)& was 104.0 °F (40.0 °C) on July 13 in the year 1995 at WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 .

The coldest recorded high temperature in WILMETTE (MARINES)& was -5.8 °F (-21.0 °C) on January 16 in the year 1977 at WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 .

Low Temperatures

On average, the day with the warmest low temperature in WILMETTE (MARINES)& is July 15 at an average of 71.6 °F (22.0 °C).

On average, the day with the coldest low temperature in WILMETTE (MARINES)& is December 10 at an average of 1.4 °F (-17.0 °C).

Records

The warmest recorded low temperature in WILMETTE (MARINES)& was 84.0 °F (28.9 °C) on August 31 in the year 1977 at WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 .

The coldest recorded low temperature in WILMETTE (MARINES)& was -20.7 °F (-29.3 °C) on January 16 in the year 1977 at WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 .

Freeze

When you are gardening in WILMETTE (MARINES)& , 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 211 of 366 days per year in WILMETTE (MARINES)& .

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 WILMETTE (MARINES)& during the spring season, the average last freeze date is April 30. Expect^* the last freeze date after

• May 8 in one of every two years (50%),
• May 24 in one of every ten years (10%),
• May 26 in one of every twenty years (5%),
• June 10 in one of every hundred years (1%).

First freeze

In WILMETTE (MARINES)& during the autumn (fall) season, the average first freeze date is October 17. Expect^* the first freeze date before

• October 1 in one of every two years (50%),
• July 17 in one of every ten years (10%),
• July 16 in one of every twenty years (5%),
• July 16 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 WILMETTE (MARINES)& during the spring season, the average last hard freeze date is April 10. Expect^* the last hard freeze date after

• April 29 in one of every two years (50%),
• May 19 in one of every ten years (10%),
• May 20 in one of every twenty years (5%),
• May 27 in one of every hundred years (1%).

First hard freeze

In WILMETTE (MARINES)& during the autumn (fall) season, the average first hard freeze date is October 19. Expect^* the first hard freeze date before

• October 14 in one of every two years (50%),
• July 17 in one of every ten years (10%),
• July 16 in one of every twenty years (5%),
• July 16 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 WILMETTE (MARINES)& during the spring season, the average last frost date is May 11. Expect^* the last frost date after

• May 19 in one of every two years (50%),
• June 6 in one of every ten years (10%),
• June 9 in one of every twenty years (5%),
• June 16 in one of every hundred years (1%).

First frost

In WILMETTE (MARINES)& during the autumn (fall) season, the average frost date is September 23. Expect^* the first frost date before

• September 10 in one of every two years (50%),
• July 16 in one of every ten years (10%),
• July 16 in one of every twenty years (5%),
• July 16 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: