Des Moines, Iowa vs Janesville Climate
94%matchOn climate, Janesville is a 94% match for Des Moines. Very close: temperatures within 3°F (2°C), with similar rain, humidity and sun.
Des Moines gets 34 in (876 mm) of rain a year and Janesville 35 in (887 mm). July is the warmest month in both, with highs of 87°F (31°C) in Des Moines and 84°F (29°C) in Janesville.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Des MoinesJanesvillesolid = high, dashed = low
Rain (in per month)
Des MoinesJanesville
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Des Moines | Janesville | Des Moines | Janesville | Des Moines | Janesville | |
| Jan | 32°F(0°C) | 29°F(-2°C) | 13°F(-10°C) | 12°F(-11°C) | 1.0 in(25 mm) | 1.3 in(32 mm) |
| Feb | 37°F(3°C) | 33°F(0°C) | 17°F(-8°C) | 15°F(-9°C) | 1.3 in(33 mm) | 1.3 in(34 mm) |
| Mar | 50°F(10°C) | 45°F(7°C) | 29°F(-2°C) | 26°F(-3°C) | 2.1 in(53 mm) | 2.2 in(55 mm) |
| Apr | 63°F(17°C) | 58°F(15°C) | 40°F(5°C) | 36°F(2°C) | 3.8 in(96 mm) | 3.6 in(92 mm) |
| May | 74°F(23°C) | 71°F(22°C) | 51°F(11°C) | 47°F(9°C) | 4.7 in(119 mm) | 3.6 in(91 mm) |
| Jun | 83°F(28°C) | 80°F(27°C) | 62°F(16°C) | 57°F(14°C) | 5.0 in(128 mm) | 4.6 in(116 mm) |
| Jul | 87°F(31°C) | 84°F(29°C) | 66°F(19°C) | 62°F(16°C) | 3.6 in(91 mm) | 3.7 in(94 mm) |
| Aug | 85°F(30°C) | 82°F(28°C) | 63°F(17°C) | 59°F(15°C) | 3.9 in(98 mm) | 3.9 in(99 mm) |
| Sep | 78°F(26°C) | 75°F(24°C) | 55°F(13°C) | 51°F(11°C) | 3.3 in(83 mm) | 4.1 in(103 mm) |
| Oct | 65°F(18°C) | 62°F(17°C) | 42°F(6°C) | 40°F(4°C) | 2.7 in(69 mm) | 2.7 in(69 mm) |
| Nov | 49°F(9°C) | 47°F(8°C) | 29°F(-1°C) | 29°F(-2°C) | 1.7 in(44 mm) | 2.2 in(55 mm) |
| Dec | 36°F(2°C) | 34°F(1°C) | 19°F(-7°C) | 18°F(-8°C) | 1.5 in(37 mm) | 1.9 in(47 mm) |
1991–2020 averages, by calendar month.