Châteauguay vs Ancaster Climate
94%matchOn climate, Ancaster is a 94% match for Châteauguay. Compared with Châteauguay, Ancaster has the same summer highs and 8°F (5°C) milder winter nights.
Châteauguay gets 39 in (990 mm) of rain a year and Ancaster 36 in (924 mm). July is the warmest month in both, with highs of 78°F (26°C) in Châteauguay and 80°F (27°C) in Ancaster.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
ChâteauguayAncastersolid = high, dashed = low
Rain (in per month)
ChâteauguayAncaster
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Châteauguay | Ancaster | Châteauguay | Ancaster | Châteauguay | Ancaster | |
| Jan | 23°F(-5°C) | 30°F(-1°C) | 8°F(-13°C) | 17°F(-8°C) | 2.8 in(72 mm) | 2.7 in(68 mm) |
| Feb | 26°F(-3°C) | 31°F(0°C) | 9°F(-13°C) | 18°F(-8°C) | 2.3 in(59 mm) | 2.5 in(63 mm) |
| Mar | 35°F(2°C) | 40°F(4°C) | 20°F(-7°C) | 25°F(-4°C) | 2.7 in(69 mm) | 2.2 in(57 mm) |
| Apr | 50°F(10°C) | 52°F(11°C) | 34°F(1°C) | 35°F(2°C) | 3.3 in(85 mm) | 3.2 in(82 mm) |
| May | 65°F(18°C) | 65°F(18°C) | 46°F(8°C) | 46°F(8°C) | 3.3 in(83 mm) | 3.5 in(89 mm) |
| Jun | 73°F(23°C) | 75°F(24°C) | 55°F(13°C) | 56°F(13°C) | 3.6 in(92 mm) | 3.1 in(80 mm) |
| Jul | 78°F(26°C) | 80°F(27°C) | 60°F(16°C) | 61°F(16°C) | 3.6 in(91 mm) | 3.5 in(89 mm) |
| Aug | 77°F(25°C) | 78°F(26°C) | 59°F(15°C) | 60°F(16°C) | 3.7 in(94 mm) | 3.2 in(82 mm) |
| Sep | 70°F(21°C) | 71°F(22°C) | 52°F(11°C) | 53°F(12°C) | 3.2 in(81 mm) | 3.1 in(80 mm) |
| Oct | 56°F(13°C) | 58°F(15°C) | 41°F(5°C) | 43°F(6°C) | 3.8 in(96 mm) | 3.3 in(83 mm) |
| Nov | 44°F(6°C) | 46°F(8°C) | 30°F(-1°C) | 33°F(1°C) | 3.3 in(83 mm) | 3.3 in(83 mm) |
| Dec | 31°F(0°C) | 35°F(2°C) | 18°F(-8°C) | 24°F(-4°C) | 3.3 in(85 mm) | 2.7 in(68 mm) |
1991–2020 averages, by calendar month.