Chicago vs Bloomington/Normal: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 187 km apart · long-term climate normals (NASA POWER, 2001–2020)
Bloomington/Normal is the sunnier overall: about 2,243 hours of sunshine a year to Chicago's 2,095. Bloomington/Normal 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 | Bloomington/Normal | |
|---|---|---|
| Sunshine hours / year | 2,095 | 2,243 |
| Sunniest month | September (75/100) | September (76/100) |
| Nov–Feb average score | 0/100 | 3/100 |
| Jun–Aug average score | 72/100 | 73/100 |
| Rain / year | 984 mm | 1,001 mm |
| Peak midday UV | 7 (high) | 8 (very high) |
Chicago vs Bloomington/Normal month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Chicago | Bloomington/Normal | Chicago | Bloomington/Normal | Chicago | Bloomington/Normal | |
| January | 0 | 0 | -1° | 0° | 44 | 55 |
| February | 0 | 0 | 1° | 2° | 51 | 53 |
| March | 0 | 13 | 7° | 10° | 63 | 69 |
| April | 43 | 55 | 15° | 17° | 95 | 99 |
| May | 69 | 71 | 21° | 22° | 120 | 115 |
| June | 70 | 70 | 26° | 27° | 112 | 118 |
| July | 73 | 73 | 29° | 29° | 100 | 101 |
| August | 72 | 75 | 28° | 28° | 106 | 91 |
| September | 75 | 76 | 24° | 25° | 87 | 85 |
| October | 50 | 57 | 16° | 17° | 91 | 87 |
| November | 0 | 13 | 8° | 10° | 58 | 66 |
| December | 0 | 0 | 1° | 3° | 57 | 62 |
The sunnier month by month: Jan even · Feb even · Mar Bloomington/Normal · Apr Bloomington/Normal · May even · Jun even · Jul even · Aug Bloomington/Normal · Sep even · Oct Bloomington/Normal · Nov Bloomington/Normal · Dec even.
When to pick which
- November–February: Bloomington/Normal (average score 3/100 vs 0). Bloomington/Normal is the warmer, around 4°C daytime highs vs 2°C. See the winter sun ranking.
- March–May: Bloomington/Normal (average score 46/100 vs 37). Bloomington/Normal is the warmer, around 16°C daytime highs vs 14°C.
- June–August: too close to call — Chicago averages 72/100, Bloomington/Normal 73/100. Daytime highs are similar (28°C vs 28°C).
- September–October: Bloomington/Normal (average score 67/100 vs 63). Daytime highs are similar (20°C vs 21°C).
Full month-by-month guides: Chicago weather by month · Bloomington/Normal weather by month · Best time to visit United States.
More comparisons: Chicago vs Milwaukee · Chicago vs Madison · Chicago vs South Bend · Bloomington/Normal vs St Louis · Bloomington/Normal vs Peoria · Bloomington/Normal vs Moline · all head-to-heads