Indianapolis vs Sarnia Climate
80%matchIndianapolis and Sarnia are a 80% climate match. Compared with Indianapolis, Sarnia has 6°F (3°C) cooler summer days.
Indianapolis gets 41 in (1049 mm) of rain a year and Sarnia 34 in (857 mm). July is the warmest month in both, with highs of 87°F (30°C) in Indianapolis and 81°F (27°C) in Sarnia.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
IndianapolisSarniasolid = high, dashed = low
Rain (in per month)
IndianapolisSarnia
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Indianapolis | Sarnia | Indianapolis | Sarnia | Indianapolis | Sarnia | |
| Jan | 36°F(2°C) | 31°F(0°C) | 20°F(-6°C) | 18°F(-8°C) | 2.8 in(71 mm) | 2.3 in(58 mm) |
| Feb | 41°F(5°C) | 33°F(1°C) | 23°F(-5°C) | 18°F(-8°C) | 2.5 in(63 mm) | 2.2 in(56 mm) |
| Mar | 52°F(11°C) | 42°F(5°C) | 33°F(0°C) | 26°F(-3°C) | 3.4 in(86 mm) | 2.1 in(53 mm) |
| Apr | 65°F(18°C) | 53°F(12°C) | 43°F(6°C) | 36°F(2°C) | 4.2 in(106 mm) | 3.1 in(78 mm) |
| May | 75°F(24°C) | 66°F(19°C) | 54°F(12°C) | 46°F(8°C) | 4.6 in(116 mm) | 3.2 in(81 mm) |
| Jun | 83°F(29°C) | 76°F(25°C) | 63°F(17°C) | 56°F(13°C) | 4.1 in(104 mm) | 3.6 in(91 mm) |
| Jul | 87°F(30°C) | 81°F(27°C) | 66°F(19°C) | 62°F(17°C) | 4.2 in(107 mm) | 2.7 in(69 mm) |
| Aug | 86°F(30°C) | 80°F(27°C) | 64°F(18°C) | 62°F(16°C) | 3.1 in(80 mm) | 2.8 in(72 mm) |
| Sep | 80°F(27°C) | 74°F(23°C) | 56°F(13°C) | 55°F(13°C) | 3.0 in(76 mm) | 3.5 in(89 mm) |
| Oct | 68°F(20°C) | 62°F(16°C) | 45°F(7°C) | 45°F(7°C) | 2.9 in(74 mm) | 3.1 in(78 mm) |
| Nov | 53°F(12°C) | 48°F(9°C) | 34°F(1°C) | 34°F(1°C) | 3.4 in(87 mm) | 2.8 in(72 mm) |
| Dec | 41°F(5°C) | 37°F(3°C) | 25°F(-4°C) | 25°F(-4°C) | 3.1 in(79 mm) | 2.4 in(60 mm) |
1991–2020 averages, by calendar month.