Grand Rapids vs Oswego, Illinois Climate
99%matchGrand Rapids and Oswego are a 99% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Grand Rapids gets 37 in (944 mm) of rain a year and Oswego 39 in (990 mm). July is the warmest month in both, with highs of 84°F (29°C) in Grand Rapids and 85°F (29°C) in Oswego.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Grand RapidsOswegosolid = high, dashed = low
Rain (in per month)
Grand RapidsOswego
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Grand Rapids | Oswego | Grand Rapids | Oswego | Grand Rapids | Oswego | |
| Jan | 32°F(0°C) | 32°F(0°C) | 18°F(-8°C) | 15°F(-9°C) | 2.4 in(60 mm) | 1.7 in(44 mm) |
| Feb | 35°F(1°C) | 36°F(2°C) | 19°F(-7°C) | 19°F(-7°C) | 1.7 in(43 mm) | 1.6 in(41 mm) |
| Mar | 45°F(7°C) | 48°F(9°C) | 27°F(-3°C) | 29°F(-2°C) | 2.3 in(59 mm) | 2.3 in(59 mm) |
| Apr | 58°F(15°C) | 61°F(16°C) | 36°F(2°C) | 38°F(4°C) | 3.6 in(92 mm) | 4.4 in(113 mm) |
| May | 71°F(22°C) | 73°F(23°C) | 48°F(9°C) | 49°F(9°C) | 4.4 in(111 mm) | 4.8 in(121 mm) |
| Jun | 80°F(27°C) | 82°F(28°C) | 57°F(14°C) | 59°F(15°C) | 3.7 in(95 mm) | 4.9 in(124 mm) |
| Jul | 84°F(29°C) | 85°F(29°C) | 61°F(16°C) | 63°F(17°C) | 3.1 in(78 mm) | 4.0 in(101 mm) |
| Aug | 82°F(28°C) | 83°F(28°C) | 59°F(15°C) | 61°F(16°C) | 3.5 in(88 mm) | 4.0 in(102 mm) |
| Sep | 75°F(24°C) | 77°F(25°C) | 52°F(11°C) | 53°F(12°C) | 3.7 in(94 mm) | 3.5 in(90 mm) |
| Oct | 62°F(17°C) | 64°F(18°C) | 41°F(5°C) | 42°F(5°C) | 3.3 in(83 mm) | 3.0 in(75 mm) |
| Nov | 48°F(9°C) | 49°F(9°C) | 32°F(0°C) | 31°F(-1°C) | 2.9 in(73 mm) | 2.6 in(66 mm) |
| Dec | 36°F(2°C) | 36°F(2°C) | 24°F(-5°C) | 20°F(-6°C) | 2.7 in(68 mm) | 2.1 in(54 mm) |
1991–2020 averages, by calendar month.