Chicago vs Peoria: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 209 km apart · long-term climate normals (NASA POWER, 2001–2020)
Peoria is the sunnier overall: about 2,293 hours of sunshine a year to Chicago's 2,095. Peoria has the higher Sunshine Score in 5 of 12 months; the other 7 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Chicago | Peoria | |
|---|---|---|
| Sunshine hours / year | 2,095 | 2,293 |
| Sunniest month | September (75/100) | September (77/100) |
| Nov–Feb average score | 0/100 | 4/100 |
| Jun–Aug average score | 72/100 | 74/100 |
| Rain / year | 984 mm | 959 mm |
| Peak midday UV | 7 (high) | 8 (very high) |
Chicago vs Peoria month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Chicago | Peoria | Chicago | Peoria | Chicago | Peoria | |
| January | 0 | 0 | -1° | 0° | 44 | 49 |
| February | 0 | 0 | 1° | 3° | 51 | 48 |
| March | 0 | 13 | 7° | 10° | 63 | 65 |
| April | 43 | 62 | 15° | 18° | 95 | 100 |
| May | 69 | 71 | 21° | 23° | 120 | 117 |
| June | 70 | 72 | 26° | 28° | 112 | 113 |
| July | 73 | 75 | 29° | 30° | 100 | 92 |
| August | 72 | 76 | 28° | 30° | 106 | 91 |
| September | 75 | 77 | 24° | 26° | 87 | 85 |
| October | 50 | 64 | 16° | 18° | 91 | 81 |
| November | 0 | 14 | 8° | 10° | 58 | 61 |
| December | 0 | 0 | 1° | 3° | 57 | 57 |
The sunnier month by month: Jan even · Feb even · Mar Peoria · Apr Peoria · May even · Jun even · Jul even · Aug Peoria · Sep even · Oct Peoria · Nov Peoria · Dec even.
When to pick which
- November–February: Peoria (average score 4/100 vs 0). Peoria is the warmer, around 4°C daytime highs vs 2°C. See the winter sun ranking.
- March–May: Peoria (average score 49/100 vs 37). Peoria is the warmer, around 17°C daytime highs vs 14°C.
- June–August: too close to call — Chicago averages 72/100, Peoria 74/100. Daytime highs are similar (28°C vs 29°C).
- September–October: Peoria (average score 71/100 vs 63). Peoria is the warmer, around 22°C daytime highs vs 20°C.
Full month-by-month guides: Chicago weather by month · Peoria weather by month · Best time to visit United States.
More comparisons: Chicago vs Milwaukee · Chicago vs Madison · Chicago vs South Bend · Peoria vs St Louis · Peoria vs Bloomington/Normal · Peoria vs Cedar Rapids · all head-to-heads