Peoria Daily Temperature, Precipitation, and Degree Day Normals
Normals are calculated from the period 1971 through 2000.
| Date | Average High (°F) |
Average Low (°F) |
Mean Temp (°F) |
Heating Degree Days |
Cooling Degree Days |
Average Precip. (in.) |
Average Snow (in.) |
|---|---|---|---|---|---|---|---|
| 1 | 31 | 15 | 23 | 41 | 0 | 0.06 | 0.3 |
| 2 | 31 | 15 | 23 | 42 | 0 | 0.06 | 0.3 |
| 3 | 31 | 15 | 23 | 42 | 0 | 0.06 | 0.3 |
| 4 | 31 | 15 | 23 | 42 | 0 | 0.05 | 0.3 |
| 5 | 31 | 14 | 23 | 42 | 0 | 0.05 | 0.3 |
| 6 | 31 | 14 | 22 | 42 | 0 | 0.05 | 0.3 |
| 7 | 31 | 14 | 22 | 42 | 0 | 0.05 | 0.3 |
| 8 | 30 | 14 | 22 | 42 | 0 | 0.05 | 0.3 |
| 9 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 10 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 11 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 12 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 13 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 14 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 15 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 16 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 17 | 30 | 14 | 22 | 43 | 0 | 0.05 | 0.3 |
| 18 | 30 | 14 | 22 | 43 | 0 | 0.04 | 0.3 |
| 19 | 30 | 14 | 22 | 43 | 0 | 0.04 | 0.3 |
| 20 | 30 | 14 | 22 | 43 | 0 | 0.04 | 0.3 |
| 21 | 31 | 14 | 22 | 43 | 0 | 0.04 | 0.3 |
| 22 | 31 | 14 | 22 | 43 | 0 | 0.04 | 0.3 |
| 23 | 31 | 14 | 22 | 43 | 0 | 0.04 | 0.3 |
| 24 | 31 | 14 | 23 | 43 | 0 | 0.04 | 0.2 |
| 25 | 31 | 14 | 23 | 42 | 0 | 0.04 | 0.2 |
| 26 | 31 | 14 | 23 | 42 | 0 | 0.05 | 0.2 |
| 27 | 31 | 15 | 23 | 42 | 0 | 0.05 | 0.2 |
| 28 | 32 | 15 | 23 | 42 | 0 | 0.05 | 0.2 |
| 29 | 32 | 15 | 23 | 42 | 0 | 0.05 | 0.2 |
| 30 | 32 | 15 | 24 | 42 | 0 | 0.05 | 0.2 |
| 31 | 32 | 15 | 24 | 41 | 0 | 0.05 | 0.2 |
| MONTHLY AVERAGES |
30.7 | 14.3 | 22.5 | 1316 | 0 | 1.50 | 8.2 |
| Date | Average High (°F) |
Average Low (°F) |
Mean Temp (°F) |
Heating Degree Days |
Cooling Degree Days |
Average Precip. (in.) |
Average Snow (in.) |
|---|---|---|---|---|---|---|---|
| 1 | 32 | 16 | 24 | 41 | 0 | 0.05 | 0.2 |
| 2 | 33 | 16 | 24 | 41 | 0 | 0.05 | 0.2 |
| 3 | 33 | 16 | 25 | 41 | 0 | 0.05 | 0.2 |
| 4 | 33 | 17 | 25 | 41 | 0 | 0.05 | 0.2 |
| 5 | 33 | 17 | 25 | 40 | 0 | 0.05 | 0.2 |
| 6 | 34 | 17 | 25 | 40 | 0 | 0.05 | 0.2 |
| 7 | 34 | 17 | 26 | 40 | 0 | 0.05 | 0.2 |
| 8 | 34 | 18 | 26 | 40 | 0 | 0.05 | 0.2 |
| 9 | 34 | 18 | 26 | 39 | 0 | 0.05 | 0.2 |
| 10 | 35 | 18 | 27 | 39 | 0 | 0.06 | 0.2 |
| 11 | 35 | 18 | 27 | 39 | 0 | 0.06 | 0.2 |
| 12 | 35 | 19 | 27 | 38 | 0 | 0.06 | 0.2 |
| 13 | 36 | 19 | 27 | 38 | 0 | 0.06 | 0.2 |
| 14 | 36 | 19 | 28 | 38 | 0 | 0.06 | 0.2 |
| 15 | 36 | 20 | 28 | 38 | 0 | 0.06 | 0.2 |
| 16 | 37 | 20 | 28 | 37 | 0 | 0.06 | 0.2 |
| 17 | 37 | 20 | 29 | 37 | 0 | 0.06 | 0.2 |
| 18 | 38 | 21 | 29 | 36 | 0 | 0.06 | 0.2 |
| 19 | 38 | 21 | 30 | 36 | 0 | 0.06 | 0.2 |
| 20 | 38 | 21 | 30 | 36 | 0 | 0.06 | 0.2 |
| 21 | 39 | 22 | 30 | 35 | 0 | 0.07 | 0.2 |
| 22 | 39 | 22 | 31 | 35 | 0 | 0.07 | 0.2 |
| 23 | 40 | 22 | 31 | 34 | 0 | 0.07 | 0.2 |
| 24 | 40 | 23 | 32 | 34 | 0 | 0.07 | 0.2 |
| 25 | 41 | 23 | 32 | 34 | 0 | 0.07 | 0.2 |
| 26 | 41 | 24 | 32 | 33 | 0 | 0.07 | 0.2 |
| 27 | 42 | 24 | 33 | 33 | 0 | 0.07 | 0.2 |
| 28 | 42 | 24 | 33 | 32 | 0 | 0.07 | 0.2 |
| 29 * | 42 | 24 | 33 | 32 | 0 | 0.07 | 0.2 |
| MONTHLY AVERAGES |
36.6 | 19.7 | 28.2 | 1045 | 0 | 1.67 | 5.6 |
(* - NOT INCLUDED IN LISTED MONTHLY AVERAGES.
ADJUST ACCORDINGLY DURING LEAP YEARS.)
| Date | Average High (°F) |
Average Low (°F) |
Mean Temp (°F) |
Heating Degree Days |
Cooling Degree Days |
Average Precip. (in.) |
Average Snow (in.) |
|---|---|---|---|---|---|---|---|
| 1 | 43 | 25 | 34 | 32 | 0 | 0.07 | 0.2 |
| 2 | 43 | 25 | 34 | 31 | 0 | 0.08 | 0.2 |
| 3 | 44 | 25 | 34 | 31 | 0 | 0.08 | 0.2 |
| 4 | 44 | 26 | 35 | 30 | 0 | 0.08 | 0.2 |
| 5 | 44 | 26 | 35 | 30 | 0 | 0.08 | 0.2 |
| 6 | 45 | 27 | 36 | 30 | 0 | 0.08 | 0.2 |
| 7 | 45 | 27 | 36 | 29 | 0 | 0.08 | 0.2 |
| 8 | 46 | 27 | 37 | 29 | 0 | 0.08 | 0.2 |
| 9 | 46 | 28 | 37 | 28 | 0 | 0.08 | 0.2 |
| 10 | 47 | 28 | 37 | 28 | 0 | 0.09 | 0.2 |
| 11 | 47 | 29 | 38 | 27 | 0 | 0.09 | 0.2 |
| 12 | 48 | 29 | 38 | 27 | 0 | 0.09 | 0.2 |
| 13 | 48 | 29 | 39 | 27 | 0 | 0.09 | 0.2 |
| 14 | 49 | 30 | 39 | 26 | 0 | 0.09 | 0.1 |
| 15 | 49 | 30 | 40 | 26 | 0 | 0.09 | 0.1 |
| 16 | 50 | 30 | 40 | 25 | 0 | 0.09 | 0.1 |
| 17 | 50 | 31 | 40 | 25 | 0 | 0.09 | 0.1 |
| 18 | 50 | 31 | 41 | 24 | 0 | 0.09 | 0.1 |
| 19 | 51 | 31 | 41 | 24 | 0 | 0.09 | 0.1 |
| 20 | 51 | 32 | 41 | 24 | 0 | 0.10 | 0.1 |
| 21 | 52 | 32 | 42 | 23 | 0 | 0.10 | 0.1 |
| 22 | 52 | 32 | 42 | 23 | 0 | 0.10 | 0.1 |
| 23 | 53 | 33 | 43 | 23 | 0 | 0.10 | 0.1 |
| 24 | 53 | 33 | 43 | 22 | 0 | 0.10 | 0.1 |
| 25 | 53 | 33 | 43 | 22 | 0 | 0.10 | 0.1 |
| 26 | 54 | 34 | 44 | 21 | 0 | 0.10 | 0.1 |
| 27 | 54 | 34 | 44 | 21 | 0 | 0.10 | 0.1 |
| 28 | 55 | 34 | 45 | 21 | 0 | 0.10 | 0.1 |
| 29 | 55 | 35 | 45 | 20 | 0 | 0.10 | 0.1 |
| 30 | 55 | 35 | 45 | 20 | 0 | 0.11 | 0.1 |
| 31 | 56 | 35 | 46 | 19 | 1 | 0.11 | 0.1 |
| MONTHLY AVERAGES |
49.4 | 30.2 | 39.8 | 788 | 1 | 2.83 | 3.2 |