| Effingham County, Illinois | ||
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Effingham County Building and Jail in Effingham
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Location in the U.S. state of Illinois |
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Illinois's location in the U.S. |
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| Founded | 1831 | |
| Named for | Thomas Howard, 3rd Earl of Effingham | |
| Seat | Effingham | |
| Largest city | Effingham | |
| Area | ||
| • Total | 480 sq mi (1,243 km2) | |
| • Land | 479 sq mi (1,241 km2) | |
| • Water | 1.2 sq mi (3 km2), 0.3% | |
| Population | ||
| • (2010) | 34,242 | |
| • Density | 72/sq mi (28/km²) | |
| Congressional district | 15th | |
| Time zone | Central: UTC-6/-5 | |
| Website | www |
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| Effingham, Illinois | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Climate chart () | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| J | F | M | A | M | J | J | A | S | O | N | D |
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2.4
35
18
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2.5
41
22
|
3.6
52
32
|
4.1
64
42
|
4.5
74
52
|
4.3
83
62
|
4.5
87
66
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2.9
85
63
|
3
78
55
|
3
67
43
|
4.1
52
34
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3.3
40
23
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| Average max. and min. temperatures in °F | |||||||||||
| Precipitation totals in inches | |||||||||||
| Source: The Weather Channel | |||||||||||
| Metric conversion | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| J | F | M | A | M | J | J | A | S | O | N | D |
|
60
2
−8
|
64
5
−6
|
92
11
0
|
104
18
6
|
113
23
11
|
108
28
17
|
115
31
19
|
74
29
17
|
77
26
13
|
75
19
6
|
...
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