Lasalle County, IL Weather Data

Lasalle County, IL Historical Weather Trends

*Historical weather data collected from Milan Township, IL
Lasalle, IL

Lasalle County, IL Chance of Sunshine

Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
41.94%
7
6
18
February
44.83%
7
6
16
March
41.94%
6
7
18
April
46.67%
6
8
16
May
54.84%
7
10
14
June
60.00%
7
11
12
July
67.74%
9
12
10
August
66.67%
10
10
10
September
66.67%
11
9
10
October
61.29%
11
8
12
November
43.33%
7
6
17
December
40.63%
7
6
19

Lasalle County, IL Historical Temperature

Month
Average
Max Average
Min Average
January
22.63°
30.83°
14.37°
February
24.78°
31.7°
17.93°
March
38.88°
47.93°
29.8°
April
48.9°
59.95°
37.93°
May
61.18°
72.55°
49.83°
June
68.8°
79.42°
58.18°
July
72.62°
83.94°
61.22°
August
70.03°
81.57°
58.6°
September
60.53°
72.63°
48.53°
October
50.9°
63.37°
38.33°
November
39.13°
48.9°
29.23°
December
25.83°
32.95°
18.68°

Lasalle County, IL Rainfall and Snowfall Average

Month
Average Rainfall
Average Snowfall
January
1.61 Inches
8.28 Inches
February
1.94 Inches
12.96 Inches
March
1.84 Inches
5.07 Inches
April
4.43 Inches
0.31 Inches
May
5.03 Inches
0 Inches
June
4.76 Inches
0 Inches
July
4.09 Inches
0 Inches
August
3.85 Inches
0 Inches
September
2.09 Inches
0 Inches
October
1.8 Inches
0.05 Inches
November
1.05 Inches
0.37 Inches
December
2.76 Inches
13.93 Inches

Lasalle County, IL Energy Demand

Month
Avg. Daily HDD (?)
Avg. Daily CDD (?)
Total
January
45.13
0
45.13
February
39.95
0
39.95
March
26.36
0.16
26.52
April
17.83
0.1
17.93
May
6.28
2.68
8.96
June
0.95
5.25
6.2
July
0.23
8.43
8.66
August
0.4
5.67
6.07
September
5.55
1.48
7.03
October
15.24
0.14
15.38
November
24.8
0
24.8
December
40.6
0
40.6