Iowa City vs Ames Climate
94%matchIowa City vs Ames: a 94% climate match. Very close: temperatures within 3°F (2°C), with similar rain, humidity and sun.
Iowa City gets 36 in (926 mm) of rain a year and Ames 34 in (859 mm). July is the warmest month in both, with highs of 87°F (30°C) in Iowa City and 85°F (30°C) in Ames.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Iowa CityAmessolid = high, dashed = low
Rain (in per month)
Iowa CityAmes
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Iowa City | Ames | Iowa City | Ames | Iowa City | Ames | |
| Jan | 31°F(0°C) | 29°F(-2°C) | 14°F(-10°C) | 11°F(-12°C) | 1.2 in(30 mm) | 0.8 in(20 mm) |
| Feb | 36°F(2°C) | 34°F(1°C) | 18°F(-8°C) | 15°F(-9°C) | 1.3 in(32 mm) | 1.1 in(28 mm) |
| Mar | 50°F(10°C) | 48°F(9°C) | 29°F(-1°C) | 27°F(-3°C) | 2.3 in(58 mm) | 2.0 in(50 mm) |
| Apr | 63°F(17°C) | 61°F(16°C) | 40°F(5°C) | 38°F(4°C) | 3.9 in(99 mm) | 3.8 in(96 mm) |
| May | 74°F(23°C) | 73°F(23°C) | 51°F(11°C) | 50°F(10°C) | 4.3 in(109 mm) | 4.5 in(114 mm) |
| Jun | 83°F(28°C) | 82°F(28°C) | 61°F(16°C) | 60°F(15°C) | 5.3 in(134 mm) | 5.5 in(140 mm) |
| Jul | 87°F(30°C) | 85°F(30°C) | 65°F(19°C) | 64°F(18°C) | 4.1 in(105 mm) | 3.6 in(92 mm) |
| Aug | 85°F(29°C) | 83°F(28°C) | 63°F(17°C) | 61°F(16°C) | 3.5 in(88 mm) | 3.8 in(97 mm) |
| Sep | 78°F(26°C) | 77°F(25°C) | 54°F(12°C) | 53°F(11°C) | 4.2 in(106 mm) | 3.2 in(82 mm) |
| Oct | 65°F(18°C) | 64°F(18°C) | 42°F(6°C) | 40°F(5°C) | 2.8 in(72 mm) | 2.8 in(70 mm) |
| Nov | 49°F(9°C) | 47°F(9°C) | 31°F(-1°C) | 28°F(-2°C) | 2.0 in(50 mm) | 1.4 in(36 mm) |
| Dec | 36°F(2°C) | 34°F(1°C) | 20°F(-7°C) | 17°F(-8°C) | 1.7 in(43 mm) | 1.3 in(34 mm) |
1991–2020 averages, by calendar month.