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

Ames in October has a normal high of 63°F and a normal low of 39°F, a daily mean of 51°F, falling from 70°F on the 1st to 55°F by the 31st. Measurable precipitation falls on 9 days in a normal October, 2.77 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 17°C and low of 4°C, 70 mm of precipitation in October.

  • 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 October?

The normal high is 63°F and the normal low 39°F, for a daily mean of 50.9°F. October is 12.5°F cooler than September and 14.0°F warmer than November. October is the 6th warmest month of the year in Ames and the 7th wettest. Across the month the normal high falls 15°F, from 70°F on October 1 to 55°F on October 31. From one year to the next October's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 48°F and 54°F.

Ames in October, 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 31%).

Normal high and low on five days of October, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
October 170°F45°F31%18%
October 867°F42°F30%18%
October 1563°F40°F29%17%
October 2259°F37°F28%15%
October 3155°F33°F25%13%
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
Ames: NOAA 1991-2020 daily normals for each day of October
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
October 170°F45°F31%18%11 h 50 min
October 270°F45°F31%18%11 h 50 min
October 369°F44°F31%18%11 h 40 min
October 469°F44°F31%18%11 h 40 min
October 568°F43°F31%18%11 h 40 min
October 668°F43°F31%18%11 h 30 min
October 767°F43°F31%18%11 h 30 min
October 867°F42°F30%18%11 h 30 min
October 966°F42°F30%18%11 h 30 min
October 1066°F42°F30%17%11 h 20 min
October 1165°F41°F30%17%11 h 20 min
October 1265°F41°F30%17%11 h 20 min
October 1364°F40°F30%17%11 h 10 min
October 1464°F40°F30%17%11 h 10 min
October 1563°F40°F29%17%11 h 10 min
October 1663°F39°F29%16%11 h 10 min
October 1762°F39°F29%16%11 h
October 1862°F38°F29%16%11 h
October 1961°F38°F29%16%11 h
October 2061°F38°F28%16%11 h
October 2160°F37°F28%16%10 h 50 min
October 2259°F37°F28%15%10 h 50 min
October 2359°F36°F28%15%10 h 50 min
October 2458°F36°F27%15%10 h 50 min
October 2558°F36°F27%15%10 h 40 min
October 2657°F35°F27%14%10 h 40 min
October 2757°F35°F26%14%10 h 40 min
October 2856°F34°F26%14%10 h 30 min
October 2956°F34°F26%14%10 h 30 min
October 3055°F34°F25%14%10 h 30 min
October 3155°F33°F25%13%10 h 30 min
Normal high
63°FOctober average
Normal low
39°FOctober average
Precipitation
2.77 inmonth total
Days with precipitation
90.01 inch or more
Nights at 32°F or colder
8
Daylight
11 h 50 min to 10 h 30 minOctober 1 to October 31
Days at 70°F or more
9
Days at 80°F or more
3
Sunshine
73%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 October?

On a given October day the chance of 0.01 inch or more is 29% on average, highest around October 1 (31%). In all, 2.77 in falls on 9 days of a normal October, 1 of them with an inch or more.

In a normal October in Ames, 8 nights fall to freezing.

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

What are the records for October in Ames?

The warmest October temperature on this station's record (since 1996) is 95°F, on October 3, 1997; the coldest is 10°F, on October 27, 1997. The wettest October brought 7.87 in (2009).

The October mean against the 1991-2020 normal of 50.9°F: 2021 55.6°F (+4.7), 2022 50.6°F (−0.3), 2023 54.2°F (+3.3), 2024 57.1°F (+6.2), 2025 57.2°F (+6.3). 4 of 5 ran warmer than normal.

Ames: October in recent years against the 1991-2020 normal
OctoberMeanAgainst normalPrecip.
202155.6°F+4.7°F6.46 in
202250.6°F−0.3°F0.89 in
202354.2°F+3.3°F3.35 in
202457.1°F+6.2°F2.26 in
202557.2°F+6.3°F2.82 in

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

How does October in Ames compare across Iowa?

Across the 132 places PlainClimate covers in Iowa, October normal highs run from 57°F in Northwood to 67°F in Glenwood; Ames's is 63°F.

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

Other months and places