Hot-summer humid continental climate

Climate Pontiac - Illinois

Annual high60ºF

Annual low41ºF

Precipitation33.43 inch

Month	HighºF	LowºF	Precipinch	Snowinch
Jan	31	16	1.96	7
Feb	36	19	1.59	7
Mar	49	29	2.83	3
Apr	62	40	3.28	1
May	73	50	3.88	0
Jun	81	61	3.66	0
Jul	84	64	4.08	0
Aug	82	62	3.70	0
Sep	77	54	3.02	0
Oct	64	42	3.05	0
Nov	49	31	0.00	0
Dec	35	20	2.38	6

JanHigh 31ºFLow 16ºFPrecip 1.96 inch
FebHigh 36ºFLow 19ºFPrecip 1.59 inch
MarHigh 49ºFLow 29ºFPrecip 2.83 inch
AprHigh 62ºFLow 40ºFPrecip 3.28 inch
MayHigh 73ºFLow 50ºFPrecip 3.88 inch
JunHigh 81ºFLow 61ºFPrecip 3.66 inch
JulHigh 84ºFLow 64ºFPrecip 4.08 inch
AugHigh 82ºFLow 62ºFPrecip 3.70 inch
SepHigh 77ºFLow 54ºFPrecip 3.02 inch
OctHigh 64ºFLow 42ºFPrecip 3.05 inch
NovHigh 49ºFLow 31ºFPrecip 0.00 inch
DecHigh 35ºFLow 20ºFPrecip 2.38 inch

Pontiac Climate Graph - Illinois Climate Chart

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Climate summary

What is the average weather in Pontiac, Illinois?

Pontiac experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm and fairly wet, with precipitation spread relatively evenly through the year. Winters are cold and bring regular snowfall, with winter moisture often arriving as snow.

Based on climate normals · 1991–2020

Pontiac weather averages

Annual high60ºF

Annual low41ºF

Precipitation33.43 inch

Snowfall24 inch

Daily normals Pontiac - Illinois - January

Day	HighºF	LowºF	Prec/moinch	Prec/yrinch	Snow/moinch	Snow/yrinch
Jan 1	33.7	19.0	0.07	0.07	0.20	0.20
Jan 2	33.5	18.8	0.15	0.15	0.40	0.40
Jan 3	33.3	18.7	0.22	0.22	0.50	0.50
Jan 4	33.2	18.5	0.29	0.29	0.70	0.70
Jan 5	33.0	18.3	0.36	0.36	0.90	0.90
Jan 6	32.9	18.1	0.43	0.43	1.10	1.10
Jan 7	32.7	17.9	0.49	0.49	1.30	1.30
Jan 8	32.6	17.8	0.56	0.56	1.50	1.50
Jan 9	32.5	17.6	0.62	0.62	1.70	1.70
Jan 10	32.4	17.5	0.69	0.69	1.90	1.90
Jan 11	32.3	17.3	0.75	0.75	2.00	2.00
Jan 12	32.2	17.2	0.80	0.80	2.20	2.20
Jan 13	32.1	17.1	0.86	0.86	2.40	2.40
Jan 14	32.0	17.0	0.92	0.92	2.60	2.60
Jan 15	32.0	16.8	0.98	0.98	2.80	2.80
Jan 16	31.9	16.8	1.04	1.04	3.00	3.00
Jan 17	31.9	16.7	1.11	1.11	3.20	3.20
Jan 18	31.9	16.6	1.18	1.18	3.50	3.50
Jan 19	31.9	16.5	1.25	1.25	3.70	3.70
Jan 20	31.9	16.5	1.31	1.31	4.00	4.00
Jan 21	31.9	16.5	1.37	1.37	4.20	4.20
Jan 22	31.9	16.4	1.44	1.44	4.50	4.50
Jan 23	32.0	16.4	1.50	1.50	4.70	4.70
Jan 24	32.0	16.4	1.57	1.57	5.00	5.00
Jan 25	32.1	16.5	1.63	1.63	5.20	5.20
Jan 26	32.2	16.5	1.70	1.70	5.50	5.50
Jan 27	32.3	16.6	1.76	1.76	5.70	5.70
Jan 28	32.4	16.6	1.82	1.82	6.00	6.00
Jan 29	32.5	16.7	1.88	1.88	6.20	6.20
Jan 30	32.7	16.8	1.93	1.93	6.50	6.50
Jan 31	32.8	17.0	1.99	1.99	6.70	6.70

Precipitation and snow add up through the month (/mo) and the year (/yr)

Weather history Pontiac - December 2017

Day	HighºF	LowºF	Precip.inch
Dec 1	–	–	0.00
Dec 2	–	–	0.00
Dec 3	–	–	0.00
Dec 4	–	–	0.00
Dec 5	–	–	–
Dec 6	–	–	0.00
Dec 7	–	–	0.00
Dec 8	–	–	0.00
Dec 9	–	–	0.00
Dec 10	–	–	0.00
Dec 11	–	–	0.00
Dec 12	–	–	0.00
Dec 13	–	–	0.00
Dec 14	–	–	0.00
Dec 15	–	–	0.00
Dec 16	–	–	0.00
Dec 17	–	–	0.00
Dec 18	–	–	0.00
Dec 19	–	–	0.00
Dec 20	–	–	0.00
Dec 21	–	–	–
Dec 22	–	–	–
Dec 23	–	–	–
Dec 24	–	–	–
Dec 25	–	–	–
Dec 26	–	–	–
Dec 27	–	–	–
Dec 28	–	–	–
Dec 29	–	–	–
Dec 30	–	–	–
Dec 31	–	–	–

The data for December 2017 is incomplete: some days or values are missing.

–No data
–Not yet observed or received
TTrace, too small to measure

Geo Pontiac - Illinois

40.92°N, 88.62°W

Location

Country: United States
State: Illinois
County: Livingston
City: Pontiac
Zip Code: 61764
Elevation: 650 ft
Longitude: -88.62
Latitude: 40.92
ICAO: –
IATA: –

Map of Pontiac - Illinois

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USGS National Map