Springfield
The tables below display average monthly climate and weather indicators in Springfield Illinois.
Temperature by: Fahrenheit / Centigrade
| Springfield Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature | -0.5 | 2.1 | 7.8 | 13.3 | 18.1 | 22.9 | 25.6 | 24.9 | 20.6 | 14.3 | 7.8 | 1.8 | 13.2 |
| Avg. Max Temperature | 5.4 | 7.9 | 14.1 | 19.9 | 24.4 | 29.1 | 32.0 | 31.4 | 26.8 | 21.0 | 13.7 | 7.4 | 19.4 |
| Avg. Min Temperature | -6.4 | -3.9 | 1.3 | 6.7 | 11.8 | 16.6 | 19.2 | 18.3 | 14.3 | 7.7 | 1.9 | -3.7 | 7.0 |
| Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 2.0 | 6.0 | 16.0 | 14.0 | 4.0 | < 0.5 | 0.0 | 0.0 | 40.0 |
| Days with Min Temp Below Freezing | 26.0 | 20.0 | 13.0 | 3.0 | < 0.5 | 0.0 | 0.0 | 0.0 | < 0.5 | 2.0 | 12.0 | 23.0 | 100 |
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| Springfield Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 1051 | 820 | 589 | 280 | 110 | 5.0 | 0.0 | 0.0 | 43.0 | 249 | 570 | 921 | 4638 |
| Cooling Degree Days | 0.0 | 0.0 | 0.0 | 10.0 | 98.0 | 251 | 406 | 366 | 163 | 26.0 | 0.0 | 0.0 | 1320 |
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| Springfield Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 1.8 | 2.2 | 3.9 | 4.2 | 4.4 | 5.1 | 2.9 | 3.5 | 4.6 | 3.6 | 3.8 | 3.2 | 43.0 |
| Days with Precipitation 0.01 inch or More | 8.0 | 8.0 | 10.0 | 11.0 | 11.0 | 10.0 | 8.0 | 8.0 | 8.0 | 8.0 | 9.0 | 9.0 | 109 |
| Monthly Snowfall (inches) | 4.9 | 4.2 | 3.2 | 0.4 | < 0.05 | 0.0 | < 0.05 | 0.0 | 0.0 | < 0.05 | 1.6 | 2.9 | 17.2 |
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| Other Springfield Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 11.5 | 11.5 | 12.6 | 12.0 | 10.2 | 9.3 | 8.4 | 8.4 | 9.2 | 10.1 | 11.1 | 11.2 | 10.5 |
| Clear Days | 8.0 | 7.0 | 8.0 | 8.0 | 7.0 | 8.0 | 12.0 | 12.0 | 12.0 | 13.0 | 10.0 | 9.0 | 115 |
| Partly Cloudy Days | 7.0 | 6.0 | 8.0 | 8.0 | 10.0 | 10.0 | 10.0 | 10.0 | 7.0 | 7.0 | 6.0 | 6.0 | 96.0 |
| Cloudy Days | 16.0 | 15.0 | 16.0 | 14.0 | 14.0 | 11.0 | 9.0 | 9.0 | 11.0 | 11.0 | 14.0 | 16.0 | 155 |
| Percent of Possible Sunshine | 50.0 | 52.0 | 56.0 | 59.0 | 60.0 | 65.0 | 71.0 | 71.0 | 67.0 | 64.0 | 52.0 | 48.0 | 60.0 |
| Avg. Relative Humidity | 58.0 | 71.0 | 69.5 | 68.0 | 70.5 | 74.0 | 74.5 | 72.5 | 72.0 | 71.0 | 68.5 | 70.5 | 73.5 |
Weather information for other cities in Illinois