Climate
Cedar Rapids weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: May, August, September, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Wet days |
|---|---|---|---|---|
| January | 28°F | 11°F | 0.90 in | 7 |
| February | 33°F | 16°F | 1.2 in | 7 |
| March | 46°F | 27°F | 2.0 in | 9 |
| April | 60°F | 38°F | 3.6 in | 12 |
| May | 71°F | 50°F | 4.2 in | 13 |
| June | 80°F | 60°F | 5.6 in | 12 |
| July | 83°F | 63°F | 4.4 in | 10 |
| August | 81°F | 60°F | 4.1 in | 10 |
| September | 75°F | 52°F | 3.4 in | 9 |
| October | 62°F | 40°F | 2.9 in | 9 |
| November | 46°F | 28°F | 2.0 in | 8 |
| December | 33°F | 17°F | 1.6 in | 8 |
NOAA U.S. Climate Normals 1991–2020, Cedar Rapids Muni Ap, Ia Us (5.9 mi away, 868 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in Cedar Rapids?
July, with an average high of 83°F and low of 63°F.
What is the coldest month in Cedar Rapids?
January, with an average low of 11°F and high of 28°F.
When does it rain most in Cedar Rapids?
June is the wettest month, averaging 5.6 in of precipitation; the year totals about 35.9 inches.
What is the best time to visit Cedar Rapids?
For mild weather (highs between 65°F and 85°F) with the least rain, May, August, September.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the Cedar Rapids Muni Ap weather station, 5.9 miles from downtown: 30-year averages, not a forecast.