Düzce vs O'Fallon, Illinois Climate
69%matchOn climate, O'Fallon is a 69% match for Düzce. Compared with Düzce, O'Fallon has 11°F (6°C) colder winter nights, twice the summer rain and 5°F (3°C) hotter summer days.
Düzce gets 31 in (798 mm) of rain a year and O'Fallon 40 in (1027 mm). Düzce's warmest month is August, at 83°F (29°C); O'Fallon's is July, at 88°F (31°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
DüzceO'Fallonsolid = high, dashed = low
Rain (in per month)
DüzceO'Fallon
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Düzce | O'Fallon | Düzce | O'Fallon | Düzce | O'Fallon | |
| Jan | 48°F(9°C) | 39°F(4°C) | 34°F(1°C) | 23°F(-5°C) | 3.7 in(95 mm) | 2.4 in(60 mm) |
| Feb | 51°F(11°C) | 45°F(7°C) | 36°F(2°C) | 26°F(-3°C) | 2.8 in(70 mm) | 2.4 in(61 mm) |
| Mar | 55°F(13°C) | 56°F(13°C) | 38°F(4°C) | 35°F(2°C) | 3.0 in(77 mm) | 3.3 in(84 mm) |
| Apr | 63°F(17°C) | 67°F(20°C) | 43°F(6°C) | 45°F(7°C) | 1.9 in(48 mm) | 4.0 in(101 mm) |
| May | 71°F(22°C) | 77°F(25°C) | 51°F(10°C) | 56°F(13°C) | 2.2 in(56 mm) | 4.9 in(124 mm) |
| Jun | 78°F(26°C) | 85°F(30°C) | 57°F(14°C) | 65°F(18°C) | 2.1 in(53 mm) | 4.2 in(106 mm) |
| Jul | 83°F(28°C) | 88°F(31°C) | 61°F(16°C) | 68°F(20°C) | 1.5 in(38 mm) | 3.8 in(96 mm) |
| Aug | 83°F(29°C) | 87°F(31°C) | 61°F(16°C) | 66°F(19°C) | 1.6 in(40 mm) | 3.3 in(83 mm) |
| Sep | 77°F(25°C) | 81°F(27°C) | 55°F(13°C) | 58°F(14°C) | 2.6 in(66 mm) | 3.7 in(94 mm) |
| Oct | 68°F(20°C) | 69°F(21°C) | 49°F(10°C) | 46°F(8°C) | 3.1 in(80 mm) | 2.8 in(72 mm) |
| Nov | 60°F(16°C) | 55°F(13°C) | 42°F(6°C) | 36°F(2°C) | 2.9 in(74 mm) | 3.0 in(77 mm) |
| Dec | 52°F(11°C) | 44°F(7°C) | 37°F(3°C) | 27°F(-3°C) | 4.0 in(101 mm) | 2.7 in(69 mm) |
1991–2020 averages, by calendar month.