Oswego, Illinois vs Jamestown, New York Climate
94%matchOn climate, Jamestown is a 94% match for Oswego. Compared with Oswego, Jamestown has the same winter lows, more rain in winter and 4°F (2°C) cooler summer days.
Oswego gets 39 in (990 mm) of rain a year and Jamestown 46 in (1157 mm). July is the warmest month in both, with highs of 85°F (29°C) in Oswego and 81°F (27°C) in Jamestown.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
OswegoJamestownsolid = high, dashed = low
Rain (in per month)
OswegoJamestown
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Oswego | Jamestown | Oswego | Jamestown | Oswego | Jamestown | |
| Jan | 32°F(0°C) | 31°F(0°C) | 15°F(-9°C) | 17°F(-9°C) | 1.7 in(44 mm) | 3.1 in(80 mm) |
| Feb | 36°F(2°C) | 34°F(1°C) | 19°F(-7°C) | 16°F(-9°C) | 1.6 in(41 mm) | 2.5 in(64 mm) |
| Mar | 48°F(9°C) | 44°F(6°C) | 29°F(-2°C) | 24°F(-4°C) | 2.3 in(59 mm) | 2.9 in(74 mm) |
| Apr | 61°F(16°C) | 56°F(14°C) | 38°F(4°C) | 35°F(2°C) | 4.4 in(113 mm) | 3.9 in(98 mm) |
| May | 73°F(23°C) | 69°F(20°C) | 49°F(9°C) | 46°F(8°C) | 4.8 in(121 mm) | 3.9 in(99 mm) |
| Jun | 82°F(28°C) | 77°F(25°C) | 59°F(15°C) | 55°F(13°C) | 4.9 in(124 mm) | 4.6 in(118 mm) |
| Jul | 85°F(29°C) | 81°F(27°C) | 63°F(17°C) | 59°F(15°C) | 4.0 in(101 mm) | 4.4 in(112 mm) |
| Aug | 83°F(28°C) | 79°F(26°C) | 61°F(16°C) | 58°F(14°C) | 4.0 in(102 mm) | 4.2 in(107 mm) |
| Sep | 77°F(25°C) | 73°F(23°C) | 53°F(12°C) | 51°F(11°C) | 3.5 in(90 mm) | 4.1 in(103 mm) |
| Oct | 64°F(18°C) | 60°F(16°C) | 42°F(5°C) | 41°F(5°C) | 3.0 in(75 mm) | 4.2 in(106 mm) |
| Nov | 49°F(9°C) | 47°F(9°C) | 31°F(-1°C) | 31°F(0°C) | 2.6 in(66 mm) | 3.9 in(100 mm) |
| Dec | 36°F(2°C) | 36°F(2°C) | 20°F(-6°C) | 23°F(-5°C) | 2.1 in(54 mm) | 3.8 in(96 mm) |
1991–2020 averages, by calendar month.