Weather & Climate at Naval Station Great Lakes in North Chicago, IL
Summary of the weather and climate in North Chicago, IL:
- The average high in North Chicago, IL is 58.3°F and average low is 40°F
- The hottest month is July with an high of 82.6°F
- The coldest month is January with an low of 15.9°F
- Annual rainfall is 37.75 inches. The rainiest month is August with an average of 4.77 inches.
- Annual snowfall is 33.4 inches. The snowiest month is January with an average of 11.2 inches.
SOURCE: NOAA.GOV
Climate Table — Naval Station Great Lakes
Monthly Averages:
| High (°F) | Low (°F) | Rainfall (inches) | Snowfall (inches) | |
|---|---|---|---|---|
| January | 31.6 | 15.9 | 1.81 | 11.2 |
| February | 35.7 | 19.1 | 1.73 | 7.9 |
| March | 45.4 | 28.2 | 2.37 | 5.4 |
| April | 56.7 | 37.9 | 3.58 | 0.9 |
| May | 67.5 | 47.2 | 4.01 | 0 |
| June | 77.7 | 57 | 3.67 | 0 |
| July | 82.6 | 63.1 | 3.63 | 0 |
| August | 81.3 | 62.3 | 4.77 | 0 |
| September | 74.4 | 53.9 | 3.48 | 0 |
| October | 62.3 | 41.9 | 3.24 | 0.1 |
| November | 48.9 | 32.8 | 3.06 | 1.4 |
| December | 35.7 | 20.4 | 2.4 | 6.5 |
Climate Charts — Naval Station Great Lakes
Weather through the year:
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