Ames weather in July: Ames, Iowa: normal highs, lows, rain and records for July

Ames in July has a normal high of 84°F and a normal low of 63°F, a daily mean of 73°F, holding near 84°F all month. Measurable precipitation falls on 11 days in a normal July, 4.44 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 29°C and low of 17°C, 113 mm of precipitation in July.

  • NOAA stationAmes Municipal Airport
  • Station IDUSW00094989
  • Location41.99°N 93.62°W
  • Elevation930 ft (284 m)
  • From the center2 miles
  • Population69,026
  1. Jan 29° 11°
  2. Feb 33° 15°
  3. Mar 47° 27°
  4. Apr 61° 38°
  5. May 72° 50°
  6. Jun 81° 60°
  7. Jul 84° 63°
  8. Aug 82° 60°
  9. Sep 76° 51°
  10. Oct 63° 39°
  11. Nov 47° 27°
  12. Dec 34° 17°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Ames in July?

The normal high is 84°F and the normal low 63°F, for a daily mean of 73.3°F. July is 2.7°F warmer than June and 2.3°F warmer than August. July is the warmest month of the year in Ames and the 4th wettest. Across the month the normal high falls 1°F, from 84°F on July 1 to 83°F on July 31. From one year to the next July's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Julys in three average between 71°F and 76°F.

Ames in July, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 40%).

Normal high and low on five days of July, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
July 184°F62°F40%24%
July 884°F63°F37%23%
July 1584°F63°F35%22%
July 2284°F63°F35%21%
July 3183°F63°F36%21%
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 7, coldest night July 1)
Ames: NOAA 1991-2020 daily normals for each day of July
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
July 184°F62°F40%24%15 h 10 min
July 284°F63°F39%24%15 h 10 min
July 384°F63°F39%24%15 h 10 min
July 484°F63°F39%24%15 h 10 min
July 584°F63°F38%24%15 h 10 min
July 684°F63°F38%23%15 h 10 min
July 784°F63°F38%23%15 h 10 min
July 884°F63°F37%23%15 h 10 min
July 984°F63°F37%23%15 h 10 min
July 1084°F63°F37%23%15 h
July 1184°F63°F36%23%15 h
July 1284°F63°F36%22%15 h
July 1384°F63°F36%22%15 h
July 1484°F63°F36%22%15 h
July 1584°F63°F35%22%15 h
July 1684°F63°F35%22%15 h
July 1784°F63°F35%22%15 h
July 1884°F63°F35%22%14 h 50 min
July 1984°F63°F35%21%14 h 50 min
July 2084°F63°F35%21%14 h 50 min
July 2184°F63°F35%21%14 h 50 min
July 2284°F63°F35%21%14 h 50 min
July 2384°F63°F35%21%14 h 50 min
July 2484°F63°F35%21%14 h 40 min
July 2584°F63°F35%21%14 h 40 min
July 2684°F63°F35%21%14 h 40 min
July 2784°F63°F35%21%14 h 40 min
July 2884°F63°F36%21%14 h 40 min
July 2984°F63°F36%21%14 h 30 min
July 3083°F63°F36%21%14 h 30 min
July 3183°F63°F36%21%14 h 30 min
Normal high
84°FJuly average
Normal low
63°FJuly average
Precipitation
4.44 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
7
Daylight
15 h 10 min to 14 h 30 minJuly 1 to July 31
Days at 70°F or more
31
Days at 80°F or more
25
Sunshine
81%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094989; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Ames in July?

On a given July day the chance of 0.01 inch or more is 36% on average, highest around July 1 (40%). In all, 4.44 in falls on 11 days of a normal July, 1 of them with an inch or more.

In a normal July in Ames, 7 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094989.

What are the records for July in Ames?

The warmest July temperature on this station's record (since 1996) is 100°F, on July 25, 2012; the coldest is 46°F, on July 7, 1997. The wettest July brought 13.46 in (2026).

The July mean against the 1991-2020 normal of 73.3°F: 2021 73.9°F (+0.6), 2022 74.9°F (+1.6), 2023 72.7°F (−0.6), 2024 73.4°F (+0.1), 2025 75.3°F (+2.0), 2026 76.4°F (+3.1). 5 of 6 ran warmer than normal.

Ames: July in recent years against the 1991-2020 normal
JulyMeanAgainst normalPrecip.
202173.9°F+0.6°F3.62 in
202274.9°F+1.6°F3.02 in
202372.7°F−0.6°F3.29 in
202473.4°F+0.1°F5.18 in
202575.3°F+2.0°F12.49 in
202676.4°F+3.1°F13.46 in

Source: records: ACIS, station USW00094989; recent months: ACIS, station USW00094989. Records and recent months use complete months only.

How does July in Ames compare across Iowa?

Across the 132 places PlainClimate covers in Iowa, July normal highs run from 79°F in Northwood to 87°F in Glenwood; Ames's is 84°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places