Illinois weather in February: Statewide normals and every place, NOAA 1991-2020
In February, Illinois's statewide normal high is 40°F and normal low 22°F; normal highs run from 31°F in Galena to 50°F in Anna (NOAA 1991-2020 normals).
- Statewide normal high
- 40°FFebruary, 1991-2020
- Statewide normal low
- 22°FFebruary, 1991-2020
- Statewide normal precipitation
- 2.11 inFebruary
- Warmest place
- 50°Fnormal high, Anna
- Coolest place
- 31°Fnormal high, Galena
Where is Illinois warmest and wettest in February?
Anna has the warmest February afternoons (50°F) and Galena the coolest (31°F). Cairo gets the most precipitation (3.88 in) and West Chicago the least (1.24 in). The most snow falls in Mundelein (12.8 inches).
Statewide, February averaged 20.8°F in 2021, 28.0°F in 2022, 36.3°F in 2023, 40.7°F in 2024, 29.3°F in 2025, 34.6°F in 2026, against a 1991-2020 normal of 31.1°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Chicago | 36°F | 22°F | 1.97 | 10.7 |
| Aurora | 35°F | 20°F | 1.83 | 7.9 |
| Joliet | 35°F | 20°F | 1.78 | 6.2 |
| Rockford | 33°F | 18°F | 1.63 | 8.5 |
| Elgin | 34°F | 17°F | 1.87 | 8.0 |
| Springfield | 41°F | 24°F | 1.93 | 6.1 |
| Peoria | 39°F | 21°F | 1.99 | 6.9 |
| Champaign | 39°F | 22°F | 1.80 | – |
| Waukegan | 34°F | 18°F | – | – |
| Bloomington | 36°F | 19°F | 2.08 | – |
| Decatur | 40°F | 23°F | 1.84 | – |
| Wheaton | 38°F | 20°F | 1.96 | 5.1 |
| Normal | 38°F | 19°F | 1.99 | 5.5 |
| Moline | 37°F | 19°F | 1.83 | 8.6 |
| Crystal Lake | 35°F | 16°F | 1.84 | 9.0 |
| Romeoville | 36°F | 20°F | 1.98 | 8.7 |
| Belleville | 49°F | 28°F | 2.16 | 3.3 |
| DeKalb | 33°F | 17°F | 1.71 | 8.7 |
| Quincy | 40°F | 23°F | 1.77 | – |
| Streamwood | 37°F | 16°F | 1.70 | 6.0 |
| Wheeling | 36°F | 21°F | 1.28 | – |
| Rock Island | 36°F | 18°F | 1.78 | – |
| Mundelein | 33°F | 16°F | 1.93 | 12.8 |
| Galesburg | 35°F | 17°F | 1.87 | 6.6 |
| Burbank | 37°F | 23°F | 2.12 | 10.1 |
| Danville | 40°F | 23°F | 2.24 | – |
| West Chicago | 35°F | 19°F | 1.24 | – |
| Alton | 44°F | 25°F | 2.52 | – |
| Lisle | 35°F | 18°F | 1.96 | – |
| Kankakee | 37°F | 20°F | 1.94 | 3.4 |
| Freeport | 33°F | 15°F | 1.65 | 8.5 |
| Carbondale | 47°F | 28°F | 2.61 | – |
| Park Forest | 35°F | 18°F | 2.15 | 7.5 |
| Ottawa | 35°F | 19°F | 1.54 | 5.2 |
| Jacksonville | 41°F | 21°F | 2.02 | – |
| Charleston | 43°F | 25°F | 2.69 | 5.5 |
| Cahokia Heights | 46°F | 28°F | 1.96 | – |
| Mattoon | 40°F | 24°F | 1.81 | – |
| Dixon | 34°F | 17°F | 1.81 | 5.7 |
| Antioch | 33°F | 18°F | – | – |
| Morris | 36°F | 19°F | 1.79 | 7.5 |
| Channahon | 37°F | 20°F | 1.68 | 5.2 |
| Mount Vernon | 44°F | 25°F | 2.62 | 3.1 |
| Lincoln | 40°F | 22°F | 1.92 | 6.2 |
| Effingham | 43°F | 23°F | 2.44 | 4.6 |
| Streator | 37°F | 19°F | 1.92 | 4.8 |
| Rantoul | 40°F | 20°F | 2.01 | – |
| Kewanee | 35°F | 17°F | 2.06 | 8.5 |
| Pontiac | 37°F | 21°F | 1.76 | 8.0 |
| Barrington | 33°F | 16°F | 1.90 | 8.5 |
| Peru | 35°F | 18°F | 1.77 | 5.5 |
| Rochelle | 32°F | 16°F | 1.70 | – |
| Lake Villa | 34°F | 18°F | 1.89 | 8.0 |
| Monmouth | 36°F | 19°F | 1.98 | 6.1 |
| Olney | 43°F | 24°F | 2.57 | 2.6 |
| Jerseyville | 42°F | 23°F | 2.31 | 3.7 |
| Paris | 39°F | 20°F | 2.33 | 3.6 |
| Harrisburg | 48°F | 28°F | 3.13 | – |
| Marengo | 33°F | 16°F | 1.64 | 9.1 |
| Princeton | 35°F | 18°F | 2.00 | 6.9 |
| Vandalia | 42°F | 24°F | 2.49 | – |
| Robinson | 42°F | 23°F | 2.41 | – |
| Salem | 43°F | 24°F | 2.56 | 2.5 |
| Mount Carmel | 45°F | 27°F | 3.09 | 2.5 |
| Benton | 44°F | 28°F | – | – |
| Geneseo | 36°F | 19°F | 1.81 | 6.1 |
| Hillsboro | 45°F | 25°F | 2.61 | – |
| Du Quoin | 46°F | 28°F | 2.90 | 3.2 |
| Carlinville | 41°F | 23°F | 2.09 | 4.7 |
| Pana | 42°F | 23°F | 2.15 | 2.6 |
| Fairfield | 47°F | 28°F | 2.68 | – |
| Marseilles | 35°F | 17°F | 1.90 | 7.3 |
| Hoopeston | 38°F | 22°F | 1.96 | 5.2 |
| Carmi | 46°F | 23°F | 3.11 | 4.9 |
| Tuscola | 39°F | 21°F | 2.07 | 4.9 |
| Flora | 44°F | 25°F | 2.54 | 3.2 |
| Shelbyville | 41°F | 23°F | 2.07 | – |
| Watseka | 37°F | 18°F | 1.98 | 4.7 |
| Paxton | 37°F | 19°F | 1.92 | 6.1 |
| Lawrenceville | 44°F | 27°F | 2.16 | – |
| Sullivan | 40°F | 22°F | 2.23 | 2.4 |
| Anna | 50°F | 29°F | 3.40 | 4.0 |
| Pittsfield | 42°F | 22°F | 2.14 | 5.1 |
| Sparta | 45°F | 25°F | 2.57 | 3.4 |
| Dwight | 35°F | 17°F | 1.64 | 4.9 |
| Morrison | 34°F | 16°F | 1.65 | 7.6 |
| Fulton | 34°F | 17°F | 1.56 | – |
| Aledo | 36°F | 17°F | 1.85 | 6.2 |
| Gibson City | 37°F | 20°F | 1.77 | 4.1 |
| Carlyle | 45°F | 25°F | 2.45 | – |
| Galena | 31°F | 14°F | 1.53 | 9.0 |
| Virden | 42°F | 25°F | 2.27 | 3.1 |
| Nashville | 44°F | 25°F | 2.15 | 3.7 |
| Rushville | 38°F | 21°F | 2.09 | – |
| Knoxville | 36°F | 18°F | 2.12 | 7.7 |
| Havana | 39°F | 20°F | 2.18 | 5.8 |
| Newton | 42°F | 25°F | 2.61 | 3.9 |
| McLeansboro | 46°F | 24°F | 2.90 | 3.3 |
| Galva | 35°F | 17°F | 1.76 | – |
| Casey | 43°F | 22°F | 2.60 | 1.9 |
| Polo | 35°F | 17°F | 1.95 | – |
| White Hall | 41°F | 22°F | 2.05 | 4.7 |
| Petersburg | 39°F | 21°F | 1.75 | 2.7 |
| Mason City | 38°F | 19°F | 1.96 | 2.8 |
| Athens | 40°F | 21°F | 1.98 | – |
| Minonk | 38°F | 19°F | 1.84 | 5.2 |
| Albion | 45°F | 27°F | – | – |
| Lacon | 38°F | 22°F | 2.06 | 6.2 |
| Princeville | 37°F | 18°F | 1.90 | 5.5 |
| Chenoa | 37°F | 19°F | 1.59 | 4.8 |
| Stockton | 32°F | 16°F | 1.52 | 8.1 |
| Cairo | 48°F | 30°F | 3.88 | – |
| Winchester | 41°F | 21°F | 2.14 | – |
| Grayville | 45°F | 26°F | 3.80 | 4.6 |
| Mount Carroll | 35°F | 14°F | 1.83 | 7.9 |
| Neoga | 42°F | 23°F | 2.11 | – |
| Walnut | 34°F | 17°F | 1.73 | 8.4 |
| Palestine | 44°F | 26°F | 2.63 | 2.2 |
| La Harpe | 37°F | 19°F | 1.83 | – |
| Windsor | 40°F | 23°F | 1.97 | 3.4 |
| Morrisonville | 41°F | 23°F | 1.82 | 3.9 |
| Rosiclare | 46°F | 25°F | 3.71 | 1.4 |
| Ramsey | 40°F | 22°F | 2.17 | 4.4 |
| Shabbona | 32°F | 17°F | 1.92 | – |
| Paw Paw | 32°F | 16°F | 1.73 | 6.7 |
| Hennepin | 37°F | 20°F | 1.80 | – |
| Piper City | 40°F | 19°F | 2.75 | 4.4 |
| Ogden | 39°F | 22°F | 2.18 | 9.3 |
| Brookport | 48°F | 28°F | 3.79 | 1.8 |
| Elizabeth | 33°F | 14°F | 1.74 | 8.1 |
| Brownstown | 42°F | 25°F | 2.41 | – |
| Avon | 36°F | 17°F | 1.84 | 6.0 |
| Golden | 39°F | 20°F | – | – |
| New Boston | 36°F | 19°F | 1.72 | – |
| Congerville | 38°F | 21°F | 1.76 | 5.2 |
| Sidell | 37°F | 20°F | 2.00 | 6.7 |
| Altona | 35°F | 16°F | 2.07 | – |
| Prairie City | 38°F | 19°F | 1.92 | 6.0 |
| Perry | 42°F | 22°F | 2.00 | 6.0 |
| Compton | 33°F | 16°F | – | – |
| Gladstone | 37°F | 20°F | 1.69 | 6.3 |
| Bentley | 39°F | 22°F | 1.98 | 6.3 |
| Kaskaskia | 46°F | 27°F | 2.35 | 1.5 |
| Illinois City | 35°F | 17°F | 1.55 | – |
| Cahokia | 46°F | 26°F | 2.26 | 3.7 |
| Chicago Aurora Municipal Airport | 35°F | 18°F | 1.41 | – |
| Chicago Botanic Garden | 36°F | 19°F | 1.98 | 7.7 |
| Chicago Midway Airport | 37°F | 23°F | 1.46 | – |
| Chicago Waukegan Regional Airport | 34°F | 18°F | 1.52 | – |
| Dixon Springs Agricultural Center | 49°F | 29°F | 3.64 | 3.2 |
| Grand Chain Dam 53 | 48°F | 30°F | 3.86 | 2.5 |
| Iuka (12 mi SW) | 44°F | 24°F | 2.58 | 4.5 |
| Little Red School House | 37°F | 18°F | 2.00 | – |
| McHenry W.G. Stratton Lock and Dam | 35°F | 16°F | 1.56 | 8.9 |
| Rend Lake Dam | 44°F | 25°F | 2.80 | – |
| Smithland Lock and Dam | 47°F | 28°F | 4.10 | 1.2 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.