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The tables below display average monthly climate and weather indicators in Cairo Illinois.
Temperature by: Fahrenheit / Centigrade
| Cairo Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Days with Max Temp of 90 F or Higher |
0.0 |
0.0 |
0.0 |
< 0.5 |
2.0 |
11.0 |
17.0 |
13.0 |
4.0 |
< 0.5 |
0.0 |
0.0 |
48.0 |
| Days with Min Temp Below Freezing |
21.0 |
15.0 |
7.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
< 0.5 |
6.0 |
17.0 |
66.0 |
| | |
| Cairo Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Days with Precipitation 0.01 inch or More |
10.0 |
9.0 |
12.0 |
11.0 |
11.0 |
9.0 |
9.0 |
8.0 |
7.0 |
7.0 |
9.0 |
10.0 |
112 |
| Monthly Snowfall (inches) |
3.8 |
2.5 |
2.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.4 |
1.4 |
10.2 |
| | |
| Other Cairo Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed |
9.8 |
9.8 |
10.6 |
10.2 |
8.2 |
7.4 |
6.5 |
6.2 |
7.0 |
7.3 |
9.1 |
9.3 |
8.5 |
| Clear Days |
8.0 |
8.0 |
9.0 |
8.0 |
8.0 |
8.0 |
9.0 |
12.0 |
12.0 |
15.0 |
9.0 |
8.0 |
113 |
| Partly Cloudy Days |
6.0 |
6.0 |
8.0 |
9.0 |
10.0 |
12.0 |
13.0 |
11.0 |
9.0 |
7.0 |
8.0 |
7.0 |
104 |
| Cloudy Days |
17.0 |
14.0 |
15.0 |
13.0 |
13.0 |
10.0 |
10.0 |
8.0 |
9.0 |
9.0 |
13.0 |
16.0 |
149 |
| Percent of Possible Sunshine |
45.0 |
50.0 |
56.0 |
62.0 |
65.0 |
72.0 |
74.0 |
75.0 |
69.0 |
67.0 |
51.0 |
44.0 |
61.0 |
| Avg. Relative Humidity |
51.0 |
73.0 |
71.0 |
68.0 |
68.0 |
70.0 |
70.5 |
73.0 |
73.0 |
71.0 |
66.5 |
68.5 |
74.0 |
|
|
United States
