Waukegan National Airport - Weather History and Averages

Station: WAUKEGAN REGIONAL AIRPORT (2006 to 2025)
Integrated Surface Dataset (ISD) station ID: 725347

A Weather Bureau Army Navy (WBAN) station ID was found for this station. Older data may be available at the WBAN page.

Airport*: Waukegan National Airport (IATA: UGN, ICAO: KUGN)
Country: US
State: IL
Latitude: 42.417
Longitude: -87.867

^{This site or product includes IATA/ICAO List data available from https://github.com/ip2location/ip2location-iata-icao.}

Historic station metadata

Station: CHICAGO/WAUKEGAN (1989 to 2005)
Airport*: Waukegan National Airport (IATA: UGN, ICAO: KUGN)
Country: US
State: IL
Latitude: 42.417
Longitude: -87.867

High Temperatures

On average, the day with the warmest high temperature in Waukegan National Airport is July 16 at an average of 83.7 °F (28.7 °C).

On average, the day with the coldest high temperature in Waukegan National Airport is January 20 at an average of 28.7 °F (-1.9 °C).

Records

The warmest recorded high temperature in Waukegan National Airport was 104.0 °F (40.0 °C) on July 5 in the year 2012 at WAUKEGAN REGIONAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 725347 — Weather Bureau Army Navy (WBAN): 14880 .

The coldest recorded high temperature in Waukegan National Airport was -8.9 °F (-22.7 °C) on December 21 in the year 1989 at CHICAGO/WAUKEGAN — Integrated Surface Dataset (ISD) station ID: 725347 .

Low Temperatures

On average, the day with the warmest low temperature in Waukegan National Airport is July 18 at an average of 65.5 °F (18.6 °C).

On average, the day with the coldest low temperature in Waukegan National Airport is January 20 at an average of 13.9 °F (-10.1 °C).

Records

The warmest recorded low temperature in Waukegan National Airport was 82.9 °F (28.3 °C) on July 21 in the year 2011 at WAUKEGAN REGIONAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 725347 — Weather Bureau Army Navy (WBAN): 14880 .

The coldest recorded low temperature in Waukegan National Airport was -23.1 °F (-30.6 °C) on January 30 in the year 2019 at WAUKEGAN REGIONAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 725347 — Weather Bureau Army Navy (WBAN): 14880 .

When you are gardening in Waukegan National Airport, 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 208 of 366 days per year in Waukegan National Airport.

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 Waukegan National Airport during the spring season, the average last freeze date is April 28. Expect^* the last freeze date after

May 3 in one of every two years (50%),
May 23 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 freeze

In Waukegan National Airport during the autumn (fall) season, the average first freeze date is October 19. Expect^* the first freeze date before

October 14 in one of every two years (50%),
October 1 in one of every ten years (10%),
September 25 in one of every twenty years (5%),
September 17 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 Waukegan National Airport during the spring season, the average last hard freeze date is April 18. Expect^* the last hard freeze date after

April 21 in one of every two years (50%),
May 11 in one of every ten years (10%),
May 18 in one of every twenty years (5%),
May 30 in one of every hundred years (1%).

First hard freeze

In Waukegan National Airport during the autumn (fall) season, the average first hard freeze date is November 3. Expect^* the first hard freeze date before

October 25 in one of every two years (50%),
October 7 in one of every ten years (10%),
October 4 in one of every twenty years (5%),
September 24 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 Waukegan National Airport during the spring season, the average last frost date is May 10. Expect^* the last frost date after

May 18 in one of every two years (50%),
May 31 in one of every ten years (10%),
June 5 in one of every twenty years (5%),
June 10 in one of every hundred years (1%).

First frost

In Waukegan National Airport during the autumn (fall) season, the average frost date is October 8. Expect^* the first frost date before

October 5 in one of every two years (50%),
September 23 in one of every ten years (10%),
September 18 in one of every twenty years (5%),
September 14 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:

January
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

February
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29

March
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

April
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

May
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

June
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

July
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

August
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

September
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

October
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

November
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

December
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31