Climate normals · 1970–2000
Waukegan Climate
Waukegan is a city in United States (IL) with a population of about 88,475. Its average annual temperature is 8.6°C (47°F), with roughly 878 mm of rain per year.
8.6°C
Avg Temp
878
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Waukegan Climate
Waukegan has an average annual temperature of 8.6°C (47°F) and receives about 878 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.6°C
Avg Temp
878
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 43 mm |
| February | -4° / 25° | 33 mm |
| March | 2° / 35° | 63 mm |
| April | 8° / 46° | 90 mm |
| May | 14° / 56° | 84 mm |
| June | 19° / 66° | 93 mm |
| July | 22° / 71° | 95 mm |
| August | 21° / 70° | 102 mm |
| September | 17° / 63° | 94 mm |
| October | 11° / 51° | 60 mm |
| November | 4° / 39° | 64 mm |
| December | -3° / 27° | 57 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Waukegan
The most comfortable months to visit Waukegan are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 27°C high). The coldest is January (near -11°C low). August is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Waukegan are typically August, July and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Waukegan, United States has an average annual temperature of 8.6°C and about 878 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Waukegan average about 27°C (81°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.