Olney December Weather
Averages and records for weather in
Olney, Illinois in the month of December.
Typical Olney December Weather
1991–2020
|
| Average daily high |
42.8 °F |
| Average daily low |
26.4 °F |
| Average monthly precipitation |
3.5 inches |
| Average monthly snow |
3.5 inches |
| Daily chance of precipitation |
35.3% |
| Daily chance of snow |
6.2% |
Note: Daily averages are a moving average which includes 14 days before and after
| Day |
Average (°F) |
Record (°F) |
| High |
Low |
High |
Low |
| December 1 |
47.9 |
30.2 |
69 |
3 |
| December 2 |
47.6 |
30.1 |
74 |
6 |
| December 3 |
47.2 |
29.8 |
70 |
5 |
| December 4 |
46.7 |
29.5 |
72 |
9 |
| December 5 |
46.2 |
29.2 |
70 |
8 |
| December 6 |
45.8 |
28.9 |
70 |
2 |
| December 7 |
45.5 |
28.6 |
71 |
2 |
| December 8 |
45.2 |
28.4 |
71 |
2 |
| December 9 |
44.9 |
28.2 |
67 |
-8 |
| December 10 |
44.5 |
27.9 |
69 |
-9 |
| December 11 |
44.1 |
27.5 |
70 |
-9 |
| December 12 |
43.7 |
27.2 |
66 |
-10 |
| December 13 |
43.4 |
26.9 |
70 |
-5 |
| December 14 |
43.2 |
26.7 |
69 |
-4 |
| December 15 |
42.9 |
26.5 |
72 |
-9 |
| December 16 |
42.6 |
26.3 |
67 |
-18 |
| December 17 |
42.4 |
26.2 |
68 |
-12 |
| December 18 |
42.2 |
26.0 |
67 |
-8 |
| December 19 |
41.9 |
25.7 |
62 |
-9 |
| December 20 |
41.7 |
25.5 |
67 |
-11 |
| December 21 |
41.6 |
25.3 |
68 |
-11 |
| December 22 |
41.4 |
25.2 |
64 |
-19 |
| December 23 |
41.3 |
25.0 |
67 |
-19 |
| December 24 |
41.1 |
24.8 |
65 |
-15 |
| December 25 |
40.8 |
24.7 |
66 |
-11 |
| December 26 |
40.7 |
24.6 |
71 |
-1 |
| December 27 |
40.5 |
24.4 |
68 |
-6 |
| December 28 |
40.5 |
24.3 |
71 |
-15 |
| December 29 |
40.4 |
24.2 |
66 |
-2 |
| December 30 |
40.4 |
24.0 |
67 |
-9 |
| December 31 |
40.1 |
23.7 |
70 |
-5 |
Weather Station Details
| Years |
Station |
Coordinates |
| 1893–2024 |
Olney 2S |
location |