Climateby Month

Cedar Rapids, IA weather in July

NOAA 1991-2020 normals and daily records · Cedar Rapids all year

Cedar Rapids is warm and often humid in July, with some rain: highs average 86°F and nights drop to about 63°F. There are about 10 days with rain. This is the peak of the warm season in Cedar Rapids.

Normal high
86°F
Normal low
63°F
Wet days
10
4.5 in total
Muggy days
17
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high85°F85°F
Normal low63°F63°F
Chance of a wet day35%31%
Sunrise / sunset5:34 am / 8:46 pm5:59 am / 8:26 pm
Daylight15.2 h14.5 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical July day

  1. 6 am66°Fdew point 63°F
  2. 9 am74°Fdew point 65°F
  3. Noon80°Fdew point 66°F
  4. 3 pm81°Fdew point 66°F
  5. 6 pm79°Fdew point 66°F
  6. 9 pm71°Fdew point 66°F

NOAA hourly normals (local standard time) from Cedar Rapids Muni Airport (9 mi away); average wind 7 mph; clear or few clouds in 65% of daytime hours, mostly cloudy or overcast in 22%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F4 of 31
  • Hot dayshigh 90°F or more7 of 31
  • Muggy daysdaily mean dew point 65°F or more17 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 4.5 in; a dry July brings about 2.3 in and a wet one about 6.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.

How July varies from year to year

  • Warmest July, 1991-20202012: average high 95°F
  • Coolest July2009: average high 79°F
  • Wettest July1993: 17.0 in
  • Driest July1991: 0.4 in
  • Highest reading105°F (July 25, 2012)
  • Lowest reading49°F (July 29, 2013)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

July compared with June and August

JuneJulyAugust
Normal high82°F86°F83°F
Normal low60°F63°F61°F
Wet days121010
Comfortable days846
Daylight15.2 h14.9 h13.8 h

Highs change by +4°F from June and -3°F into August.

Nearby alternatives in July

How Cedar Rapids ranks in July

  • Normal high222nd warmest of 378 cities; 3rd of 3 in Iowa
  • Wet days204th driest of 378
  • Comfortable days133rd most of 340

What to pack for Cedar Rapids in July

  • Light, breathable clothing – highs near 86°F and about 17 muggy days
  • A rain jacket or umbrella – rain on about 10 days
  • Sunglasses and sunscreen – about 14.9 hours of daylight and highs near 86°F

Heating and cooling

July has 3 heating degree days and 294 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Cedar Rapids in July?

The normal high is 86°F and the normal low is 63°F. From 1991 to 2020 the hottest July reading was 105°F (July 25, 2012).

Does it rain a lot in Cedar Rapids in July?

About 10 days in July have at least 0.01 in of precipitation, and the normal total is 4.5 in. The wettest July in 1991-2020 was in 1993 (17.0 in); the driest was in 1991 (0.4 in).

Is July a good time to visit Cedar Rapids?

July ranks 7th of 12 months on our comfort score for Cedar Rapids (55 out of 100). It has about 4 comfortable days and about 7 days at 90°F or hotter. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Cedar Rapids #1 (USC00131319), 4.0 mi NE of the city center, 813 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Cedar Rapids Muni Airport (USW00014990), 9.4 mi SSW of the city center, 868 ft (60 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Eastern Iowa Regional Airport (725450-14990), 9.6 mi SSW of the city center, 840 ft . Hourly observations, 1991-2020.