Catonsville vs Saint Charles, Maryland Climate
98%matchCatonsville and Saint Charles are a 98% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Catonsville gets 47 in (1190 mm) of rain a year and Saint Charles 44 in (1111 mm). July is the warmest month in both, with highs of 87°F (31°C) in Catonsville and 87°F (31°C) in Saint Charles.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
CatonsvilleSaint Charlessolid = high, dashed = low
Rain (in per month)
CatonsvilleSaint Charles
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Catonsville | Saint Charles | Catonsville | Saint Charles | Catonsville | Saint Charles | |
| Jan | 42°F(6°C) | 45°F(7°C) | 26°F(-3°C) | 27°F(-3°C) | 3.2 in(82 mm) | 3.0 in(77 mm) |
| Feb | 45°F(7°C) | 48°F(9°C) | 27°F(-3°C) | 29°F(-2°C) | 2.9 in(73 mm) | 2.7 in(68 mm) |
| Mar | 54°F(12°C) | 57°F(14°C) | 34°F(1°C) | 35°F(2°C) | 4.1 in(104 mm) | 3.6 in(92 mm) |
| Apr | 65°F(19°C) | 68°F(20°C) | 44°F(7°C) | 44°F(7°C) | 3.5 in(90 mm) | 3.4 in(87 mm) |
| May | 75°F(24°C) | 76°F(24°C) | 54°F(12°C) | 54°F(12°C) | 4.4 in(111 mm) | 3.7 in(94 mm) |
| Jun | 83°F(28°C) | 83°F(29°C) | 63°F(17°C) | 63°F(17°C) | 4.2 in(107 mm) | 4.3 in(108 mm) |
| Jul | 87°F(31°C) | 87°F(31°C) | 67°F(20°C) | 68°F(20°C) | 4.2 in(107 mm) | 4.1 in(105 mm) |
| Aug | 85°F(30°C) | 86°F(30°C) | 66°F(19°C) | 66°F(19°C) | 4.4 in(111 mm) | 4.6 in(116 mm) |
| Sep | 79°F(26°C) | 80°F(26°C) | 59°F(15°C) | 59°F(15°C) | 4.9 in(124 mm) | 4.2 in(107 mm) |
| Oct | 68°F(20°C) | 69°F(21°C) | 47°F(9°C) | 48°F(9°C) | 3.7 in(95 mm) | 3.5 in(90 mm) |
| Nov | 56°F(14°C) | 58°F(15°C) | 38°F(3°C) | 38°F(3°C) | 3.3 in(84 mm) | 3.0 in(77 mm) |
| Dec | 46°F(8°C) | 49°F(9°C) | 30°F(-1°C) | 31°F(-1°C) | 4.0 in(102 mm) | 3.5 in(90 mm) |
1991–2020 averages, by calendar month.