St. Catharines vs Round Lake Beach Climate
93%matchOn climate, Round Lake Beach is a 93% match for St. Catharines. Compared with St. Catharines, Round Lake Beach has the same summer highs and 5°F (3°C) colder winter nights.
St. Catharines gets 34 in (856 mm) of rain a year and Round Lake Beach 37 in (935 mm). July is the warmest month in both, with highs of 81°F (27°C) in St. Catharines and 82°F (28°C) in Round Lake Beach.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
St. CatharinesRound Lake Beachsolid = high, dashed = low
Rain (in per month)
St. CatharinesRound Lake Beach
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| St. Catharines | Round Lake Beach | St. Catharines | Round Lake Beach | St. Catharines | Round Lake Beach | |
| Jan | 33°F(0°C) | 30°F(-1°C) | 20°F(-6°C) | 14°F(-10°C) | 2.4 in(60 mm) | 1.8 in(46 mm) |
| Feb | 34°F(1°C) | 34°F(1°C) | 21°F(-6°C) | 17°F(-8°C) | 2.0 in(51 mm) | 1.5 in(39 mm) |
| Mar | 42°F(5°C) | 45°F(7°C) | 28°F(-2°C) | 27°F(-3°C) | 2.0 in(52 mm) | 2.3 in(58 mm) |
| Apr | 54°F(12°C) | 57°F(14°C) | 37°F(3°C) | 37°F(3°C) | 3.3 in(85 mm) | 4.0 in(102 mm) |
| May | 66°F(19°C) | 69°F(20°C) | 47°F(9°C) | 47°F(8°C) | 3.2 in(82 mm) | 4.3 in(108 mm) |
| Jun | 76°F(24°C) | 78°F(26°C) | 58°F(14°C) | 56°F(13°C) | 3.3 in(85 mm) | 4.2 in(107 mm) |
| Jul | 81°F(27°C) | 82°F(28°C) | 64°F(18°C) | 61°F(16°C) | 3.2 in(81 mm) | 3.7 in(95 mm) |
| Aug | 79°F(26°C) | 80°F(27°C) | 63°F(17°C) | 60°F(16°C) | 2.8 in(72 mm) | 4.3 in(108 mm) |
| Sep | 72°F(22°C) | 74°F(23°C) | 56°F(13°C) | 53°F(12°C) | 3.0 in(76 mm) | 3.6 in(91 mm) |
| Oct | 60°F(15°C) | 62°F(17°C) | 45°F(7°C) | 41°F(5°C) | 3.0 in(75 mm) | 2.8 in(70 mm) |
| Nov | 48°F(9°C) | 47°F(8°C) | 35°F(2°C) | 30°F(-1°C) | 2.8 in(72 mm) | 2.3 in(59 mm) |
| Dec | 38°F(3°C) | 35°F(2°C) | 26°F(-3°C) | 20°F(-7°C) | 2.6 in(65 mm) | 2.0 in(52 mm) |
1991–2020 averages, by calendar month.