Joliet vs Sun Prairie Climate
92%matchJoliet vs Sun Prairie: a 92% climate match. Compared with Joliet, Sun Prairie has 6°F (4°C) colder winter nights.
Joliet gets 39 in (986 mm) of rain a year and Sun Prairie 34 in (863 mm). July is the warmest month in both, with highs of 86°F (30°C) in Joliet and 83°F (28°C) in Sun Prairie.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
JolietSun Prairiesolid = high, dashed = low
Rain (in per month)
JolietSun Prairie
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Joliet | Sun Prairie | Joliet | Sun Prairie | Joliet | Sun Prairie | |
| Jan | 33°F(1°C) | 27°F(-3°C) | 17°F(-9°C) | 10°F(-12°C) | 1.7 in(43 mm) | 1.2 in(30 mm) |
| Feb | 38°F(3°C) | 31°F(0°C) | 20°F(-7°C) | 13°F(-11°C) | 1.6 in(40 mm) | 1.4 in(36 mm) |
| Mar | 49°F(10°C) | 44°F(7°C) | 30°F(-1°C) | 24°F(-4°C) | 2.4 in(61 mm) | 2.1 in(54 mm) |
| Apr | 62°F(17°C) | 57°F(14°C) | 40°F(4°C) | 35°F(2°C) | 4.5 in(114 mm) | 3.7 in(93 mm) |
| May | 73°F(23°C) | 70°F(21°C) | 50°F(10°C) | 46°F(8°C) | 4.5 in(115 mm) | 3.8 in(96 mm) |
| Jun | 82°F(28°C) | 80°F(26°C) | 60°F(16°C) | 56°F(13°C) | 4.8 in(122 mm) | 4.8 in(121 mm) |
| Jul | 86°F(30°C) | 83°F(28°C) | 64°F(18°C) | 60°F(16°C) | 4.1 in(104 mm) | 3.4 in(87 mm) |
| Aug | 84°F(29°C) | 81°F(27°C) | 63°F(17°C) | 58°F(15°C) | 4.1 in(103 mm) | 3.9 in(98 mm) |
| Sep | 78°F(26°C) | 74°F(24°C) | 55°F(13°C) | 50°F(10°C) | 3.5 in(89 mm) | 3.4 in(87 mm) |
| Oct | 65°F(18°C) | 61°F(16°C) | 43°F(6°C) | 38°F(4°C) | 2.9 in(74 mm) | 2.6 in(67 mm) |
| Nov | 50°F(10°C) | 45°F(7°C) | 32°F(0°C) | 28°F(-2°C) | 2.6 in(65 mm) | 2.0 in(50 mm) |
| Dec | 38°F(3°C) | 32°F(0°C) | 22°F(-5°C) | 17°F(-9°C) | 2.2 in(56 mm) | 1.7 in(44 mm) |
1991–2020 averages, by calendar month.