JOLIET, ILLINOIS

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Elevation: 177 meters Latitude: 41 31N Longitude: 088 10W

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DAILY WEATHER AVERAGE - 7 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.6 ^°C	0.8 ^°C	-5.8 ^°C	10 ^°C (2004)	-18 ^°C (2005)
Dewpoint	-6 ^°C	-3.6 ^°C	-8.8 ^°C	10 ^°C (2004)	-22 ^°C (2011)
Humidity	78.2 ^%	89 ^%	63 ^%		39 ^% (2011)
Barometer	1022.7 ^hPa	1026.4 ^hPa	1018.3 ^hPa	1039.6 ^hPa (2013)	993.6 ^hPa (2004)
Wind Speed	8.4 ^km/h	19.2 ^km/h		29.6 ^km/h (2006)
Wind Gust		35.4 ^km/h		46.3 ^km/h (2006)
Precipitation	11.43 ^mm			30.99 ^mm (2004)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSE (170 °)

Weather Element	Total
Heating Degree Days	20.8 (Base 18.3)

Total Years on Record: 15

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