Iowa City, Iowa Climate
United States
Pop. 74,220 Elev. 204 m / 669 ft
TZ: America/Chicago (UTC-5) ·
Dry and warm, Iowa City sees July highs of 85°F (29°C) and cold January lows of 14°F (-10°C). Humidity pushes the summer feels-like temperature to 95°F (35°C), while wind chill can drive winter lows to 4°F (-16°C). Expect around 44 rainy days annually (33.7 in / 856 mm total), with snow on 3 days and 27 in (687 mm) of annual accumulation. The city averages 130 sunny days per year and around 36 thunderstorm days. Nearby lake water reaches 81°F (27°C) in summer.
| Temperature | 85°F (29°C) high | 14°F (-10°C) low |
| Feels like | 95°F (35°C) high | 4°F (-15°C) low |
| Rain | 44 days | 33.7 in (856 mm) /yr |
| Snow | 3 days | 27.1 in (687 mm) /yr |
| Sky | 130 sunny | 36 stormy |
| Wind | 2.6 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
46
Jan 58
Feb 49
Mar 67
Apr 54
May 52
Jun 60
Jul 51
Aug 45
Sep 43
Oct 55
Nov 71
Dec Humidity (%)
61
Jan 65
Feb 58
Mar 60
Apr 59
May 69
Jun 79
Jul 77
Aug 65
Sep 62
Oct 67
Nov 79
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 18 mi The Eastern Iowa Airport (CID)
Ski resort 69 mi Sundown Mountain Resort
National park 95 mi Pikes Peak State Park
Hospital 0 mi Mercy Iowa City
Hiking trail 4 mi Woodpecker Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 14°F -10°C | 0.5 in 13 mm | 2.2 in57 mm | 15 |
| February | 33°F 1°C | 17°F -8°C | 0.1 in 2 mm | 5.1 in130 mm | 8 |
| March | 59°F 15°C | 35°F 1°C | 3.6 in 91 mm | 4.1 in105 mm | 13 |
| April | 64°F 18°C | 43°F 6°C | 4.7 in 120 mm | — | 5 |
| May | 73°F 23°C | 51°F 11°C | 3.6 in 90 mm | — | 12 |
| June | 84°F 29°C | 65°F 19°C | 4.8 in 121 mm | — | 12 |
| July | 85°F 29°C | 69°F 20°C | 7.9 in 201 mm | — | 10 |
| August | 80°F 27°C | 63°F 17°C | 3.7 in 93 mm | — | 13 |
| September | 80°F 27°C | 57°F 14°C | 1.2 in 30 mm | — | 15 |
| October | 69°F 21°C | 50°F 10°C | 2.0 in 51 mm | — | 14 |
| November | 51°F 10°C | 34°F 1°C | 0.9 in 24 mm | 8.9 in226 mm | 9 |
| December | 32°F 0°C | 17°F -9°C | 0.8 in 21 mm | 6.7 in170 mm | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 1 |
| February | 8 | 0 |
| March | 13 | 3 |
| April | 5 | 5 |
| May | 12 | 3 |
| June | 12 | 7 |
| July | 10 | 7 |
| August | 13 | 4 |
| September | 15 | 2 |
| October | 14 | 3 |
| November | 9 | 0 |
| December | 4 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 38°F 4°C |
| April | 50°F 10°C |
| May | 60°F 16°C |
| June | 72°F 22°C |
| July | 81°F 27°C |
| August | 76°F 24°C |
| September | 68°F 20°C |
| October | 61°F 16°C |
| November | 45°F 7°C |
| December | 33°F 1°C |