Oshawa vs Cornwall Climate
93%matchOn climate, Cornwall is a 93% match for Oshawa. Compared with Oshawa, Cornwall has the same summer highs and 7°F (4°C) colder winter nights.
Oshawa gets 35 in (879 mm) of rain a year and Cornwall 40 in (1015 mm). July is the warmest month in both, with highs of 79°F (26°C) in Oshawa and 81°F (27°C) in Cornwall.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
OshawaCornwallsolid = high, dashed = low
Rain (in per month)
OshawaCornwall
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Oshawa | Cornwall | Oshawa | Cornwall | Oshawa | Cornwall | |
| Jan | 30°F(-1°C) | 25°F(-4°C) | 16°F(-9°C) | 8°F(-13°C) | 2.6 in(65 mm) | 3.0 in(77 mm) |
| Feb | 32°F(0°C) | 27°F(-3°C) | 18°F(-8°C) | 9°F(-13°C) | 2.3 in(59 mm) | 2.4 in(62 mm) |
| Mar | 40°F(5°C) | 37°F(3°C) | 26°F(-3°C) | 20°F(-7°C) | 2.0 in(51 mm) | 2.5 in(63 mm) |
| Apr | 52°F(11°C) | 52°F(11°C) | 36°F(2°C) | 33°F(1°C) | 3.2 in(82 mm) | 3.5 in(90 mm) |
| May | 65°F(18°C) | 67°F(19°C) | 47°F(8°C) | 46°F(8°C) | 3.3 in(84 mm) | 3.7 in(95 mm) |
| Jun | 74°F(24°C) | 76°F(24°C) | 56°F(13°C) | 55°F(13°C) | 3.3 in(84 mm) | 4.0 in(102 mm) |
| Jul | 79°F(26°C) | 81°F(27°C) | 61°F(16°C) | 60°F(16°C) | 2.9 in(74 mm) | 3.8 in(96 mm) |
| Aug | 78°F(26°C) | 79°F(26°C) | 60°F(16°C) | 59°F(15°C) | 3.1 in(79 mm) | 3.4 in(86 mm) |
| Sep | 71°F(22°C) | 72°F(22°C) | 53°F(12°C) | 51°F(11°C) | 3.2 in(82 mm) | 3.3 in(84 mm) |
| Oct | 58°F(14°C) | 58°F(14°C) | 42°F(6°C) | 40°F(5°C) | 3.0 in(76 mm) | 4.1 in(103 mm) |
| Nov | 46°F(8°C) | 45°F(7°C) | 33°F(0°C) | 30°F(-1°C) | 3.1 in(78 mm) | 3.2 in(82 mm) |
| Dec | 35°F(2°C) | 31°F(0°C) | 23°F(-5°C) | 17°F(-8°C) | 2.6 in(65 mm) | 3.0 in(75 mm) |
1991–2020 averages, by calendar month.