Sarnia vs Round Lake Beach Climate
94%matchOn climate, Round Lake Beach is a 94% match for Sarnia. Very close: temperatures within 4°F (2°C), with similar rain, humidity and sun.
Sarnia gets 34 in (857 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 Sarnia 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)
SarniaRound Lake Beachsolid = high, dashed = low
Rain (in per month)
SarniaRound Lake Beach
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Sarnia | Round Lake Beach | Sarnia | Round Lake Beach | Sarnia | Round Lake Beach | |
| Jan | 31°F(0°C) | 30°F(-1°C) | 18°F(-8°C) | 14°F(-10°C) | 2.3 in(58 mm) | 1.8 in(46 mm) |
| Feb | 33°F(1°C) | 34°F(1°C) | 18°F(-8°C) | 17°F(-8°C) | 2.2 in(56 mm) | 1.5 in(39 mm) |
| Mar | 42°F(5°C) | 45°F(7°C) | 26°F(-3°C) | 27°F(-3°C) | 2.1 in(53 mm) | 2.3 in(58 mm) |
| Apr | 53°F(12°C) | 57°F(14°C) | 36°F(2°C) | 37°F(3°C) | 3.1 in(78 mm) | 4.0 in(102 mm) |
| May | 66°F(19°C) | 69°F(20°C) | 46°F(8°C) | 47°F(8°C) | 3.2 in(81 mm) | 4.3 in(108 mm) |
| Jun | 76°F(25°C) | 78°F(26°C) | 56°F(13°C) | 56°F(13°C) | 3.6 in(91 mm) | 4.2 in(107 mm) |
| Jul | 81°F(27°C) | 82°F(28°C) | 62°F(17°C) | 61°F(16°C) | 2.7 in(69 mm) | 3.7 in(95 mm) |
| Aug | 80°F(27°C) | 80°F(27°C) | 62°F(16°C) | 60°F(16°C) | 2.8 in(72 mm) | 4.3 in(108 mm) |
| Sep | 74°F(23°C) | 74°F(23°C) | 55°F(13°C) | 53°F(12°C) | 3.5 in(89 mm) | 3.6 in(91 mm) |
| Oct | 62°F(16°C) | 62°F(17°C) | 45°F(7°C) | 41°F(5°C) | 3.1 in(78 mm) | 2.8 in(70 mm) |
| Nov | 48°F(9°C) | 47°F(8°C) | 34°F(1°C) | 30°F(-1°C) | 2.8 in(72 mm) | 2.3 in(59 mm) |
| Dec | 37°F(3°C) | 35°F(2°C) | 25°F(-4°C) | 20°F(-7°C) | 2.4 in(60 mm) | 2.0 in(52 mm) |
1991–2020 averages, by calendar month.