Oswego, Illinois vs Galesburg Climate
99%matchOswego vs Galesburg: a 99% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Oswego gets 39 in (990 mm) of rain a year and Galesburg 38 in (964 mm). July is the warmest month in both, with highs of 85°F (29°C) in Oswego and 86°F (30°C) in Galesburg.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
OswegoGalesburgsolid = high, dashed = low
Rain (in per month)
OswegoGalesburg
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Oswego | Galesburg | Oswego | Galesburg | Oswego | Galesburg | |
| Jan | 32°F(0°C) | 32°F(0°C) | 15°F(-9°C) | 16°F(-9°C) | 1.7 in(44 mm) | 1.6 in(41 mm) |
| Feb | 36°F(2°C) | 37°F(3°C) | 19°F(-7°C) | 20°F(-7°C) | 1.6 in(41 mm) | 1.6 in(41 mm) |
| Mar | 48°F(9°C) | 50°F(10°C) | 29°F(-2°C) | 30°F(-1°C) | 2.3 in(59 mm) | 2.7 in(69 mm) |
| Apr | 61°F(16°C) | 63°F(17°C) | 38°F(4°C) | 41°F(5°C) | 4.4 in(113 mm) | 4.3 in(109 mm) |
| May | 73°F(23°C) | 74°F(23°C) | 49°F(9°C) | 52°F(11°C) | 4.8 in(121 mm) | 4.2 in(106 mm) |
| Jun | 82°F(28°C) | 83°F(28°C) | 59°F(15°C) | 61°F(16°C) | 4.9 in(124 mm) | 5.3 in(134 mm) |
| Jul | 85°F(29°C) | 86°F(30°C) | 63°F(17°C) | 65°F(18°C) | 4.0 in(101 mm) | 4.3 in(110 mm) |
| Aug | 83°F(28°C) | 84°F(29°C) | 61°F(16°C) | 63°F(17°C) | 4.0 in(102 mm) | 3.3 in(84 mm) |
| Sep | 77°F(25°C) | 78°F(26°C) | 53°F(12°C) | 55°F(13°C) | 3.5 in(90 mm) | 3.5 in(88 mm) |
| Oct | 64°F(18°C) | 65°F(18°C) | 42°F(5°C) | 43°F(6°C) | 3.0 in(75 mm) | 2.8 in(71 mm) |
| Nov | 49°F(9°C) | 49°F(10°C) | 31°F(-1°C) | 31°F(0°C) | 2.6 in(66 mm) | 2.4 in(60 mm) |
| Dec | 36°F(2°C) | 37°F(3°C) | 20°F(-6°C) | 21°F(-6°C) | 2.1 in(54 mm) | 2.0 in(51 mm) |
1991–2020 averages, by calendar month.