Saint Charles, Missouri vs Quincy, Illinois Climate
97%matchSaint Charles vs Quincy: a 97% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Saint Charles gets 40 in (1010 mm) of rain a year and Quincy 39 in (994 mm). July is the warmest month in both, with highs of 89°F (32°C) in Saint Charles and 88°F (31°C) in Quincy.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Saint CharlesQuincysolid = high, dashed = low
Rain (in per month)
Saint CharlesQuincy
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Saint Charles | Quincy | Saint Charles | Quincy | Saint Charles | Quincy | |
| Jan | 40°F(5°C) | 36°F(2°C) | 22°F(-6°C) | 19°F(-7°C) | 2.1 in(53 mm) | 1.6 in(40 mm) |
| Feb | 46°F(8°C) | 41°F(5°C) | 26°F(-3°C) | 23°F(-5°C) | 2.1 in(54 mm) | 1.7 in(42 mm) |
| Mar | 56°F(14°C) | 53°F(12°C) | 35°F(2°C) | 33°F(1°C) | 3.3 in(84 mm) | 2.9 in(74 mm) |
| Apr | 68°F(20°C) | 65°F(19°C) | 45°F(7°C) | 44°F(7°C) | 3.9 in(99 mm) | 4.1 in(104 mm) |
| May | 78°F(26°C) | 76°F(24°C) | 56°F(13°C) | 55°F(13°C) | 4.7 in(119 mm) | 4.7 in(119 mm) |
| Jun | 86°F(30°C) | 84°F(29°C) | 65°F(18°C) | 64°F(18°C) | 3.9 in(98 mm) | 4.4 in(112 mm) |
| Jul | 89°F(32°C) | 88°F(31°C) | 68°F(20°C) | 67°F(20°C) | 4.2 in(106 mm) | 4.4 in(112 mm) |
| Aug | 88°F(31°C) | 86°F(30°C) | 67°F(19°C) | 65°F(19°C) | 3.3 in(83 mm) | 3.5 in(89 mm) |
| Sep | 82°F(28°C) | 80°F(27°C) | 58°F(14°C) | 56°F(14°C) | 3.5 in(88 mm) | 4.3 in(110 mm) |
| Oct | 70°F(21°C) | 67°F(20°C) | 46°F(8°C) | 45°F(7°C) | 3.0 in(76 mm) | 2.8 in(72 mm) |
| Nov | 56°F(13°C) | 53°F(12°C) | 35°F(2°C) | 34°F(1°C) | 3.3 in(84 mm) | 2.6 in(66 mm) |
| Dec | 44°F(7°C) | 41°F(5°C) | 26°F(-3°C) | 24°F(-4°C) | 2.6 in(66 mm) | 2.1 in(54 mm) |
1991–2020 averages, by calendar month.