Chaohu vs Alton, Illinois Climate
63%matchOn climate, Alton is a 63% match for Chaohu. Compared with Chaohu, Alton has 10°F (6°C) colder winter nights and half the summer rain.
Chaohu gets 44 in (1106 mm) of rain a year and Alton 40 in (1018 mm). July is the warmest month in both, with highs of 91°F (33°C) in Chaohu and 88°F (31°C) in Alton.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
ChaohuAltonsolid = high, dashed = low
Rain (in per month)
ChaohuAlton
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Chaohu | Alton | Chaohu | Alton | Chaohu | Alton | |
| Jan | 45°F(7°C) | 39°F(4°C) | 32°F(0°C) | 21°F(-6°C) | 1.6 in(41 mm) | 2.1 in(54 mm) |
| Feb | 51°F(10°C) | 44°F(7°C) | 36°F(2°C) | 25°F(-4°C) | 2.0 in(52 mm) | 2.1 in(54 mm) |
| Mar | 60°F(15°C) | 55°F(13°C) | 44°F(7°C) | 34°F(1°C) | 3.0 in(76 mm) | 3.2 in(82 mm) |
| Apr | 71°F(22°C) | 67°F(19°C) | 54°F(12°C) | 45°F(7°C) | 4.0 in(101 mm) | 3.9 in(99 mm) |
| May | 80°F(27°C) | 76°F(25°C) | 63°F(17°C) | 55°F(13°C) | 4.1 in(104 mm) | 4.8 in(121 mm) |
| Jun | 85°F(30°C) | 84°F(29°C) | 71°F(22°C) | 64°F(18°C) | 6.7 in(170 mm) | 4.0 in(101 mm) |
| Jul | 91°F(33°C) | 88°F(31°C) | 77°F(25°C) | 67°F(20°C) | 6.9 in(175 mm) | 4.1 in(103 mm) |
| Aug | 89°F(32°C) | 87°F(30°C) | 76°F(25°C) | 65°F(19°C) | 6.0 in(152 mm) | 3.4 in(86 mm) |
| Sep | 83°F(28°C) | 80°F(27°C) | 68°F(20°C) | 57°F(14°C) | 3.3 in(84 mm) | 3.6 in(92 mm) |
| Oct | 73°F(23°C) | 69°F(20°C) | 57°F(14°C) | 46°F(8°C) | 2.3 in(58 mm) | 2.9 in(74 mm) |
| Nov | 62°F(16°C) | 55°F(13°C) | 45°F(7°C) | 35°F(2°C) | 2.3 in(59 mm) | 3.3 in(83 mm) |
| Dec | 50°F(10°C) | 43°F(6°C) | 35°F(1°C) | 26°F(-3°C) | 1.3 in(34 mm) | 2.7 in(69 mm) |
1991–2020 averages, by calendar month.