Des Moines weather in October

In October, Des Moines has daytime highs averaging 17 °C, nights around 8.0 °C, with 7.9 wet days. Figures are 1991–2020 climate normals.

  1. Jan -6°
  2. Feb -3°
  3. Mar
  4. Apr 10°
  5. May 16°
  6. Jun 22°
  7. Jul 24°
  8. Aug 23°
  9. Sep 19°
  10. Oct 12°
  11. Nov
  12. Dec -3°

Daily temperatures through October

13°25°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 22.1 °C and lows bottom out at 3.6 °C.

How October develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 October20.3 °C10.6 °C27 %
11–20 October17.2 °C8.0 °C23 %
21–31 October14.6 °C5.9 °C26 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in October. Wettest date over the 30 years: October 23, at 50 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical October Share of the month
Days above 25 °C 2.5 of 31 8 %
Days above 30 °C 0.03 of 31 0 %
Days below 0 °C 1.8 of 31 6 %
Days with more than 1 mm rain 7.9 of 31 26 %

Conditions in October

MeasureAverage
Mean temperature 12 °C
Record high (1991–2020) 31 °C
Record low (1991–2020) -7.2 °C
Relative humidity 66 %
Wind speed 22 km/h
Cloud cover 49 %

Where Des Moines ranks in October

RankingPositionValue
The coolest places in North America in October50thof 5017 °C

October compared with the months around it

Month Avg high Rainfall Cloud
August 28.2 °C 97 mm 47 %
September 24.4 °C 88 mm 43 %
October 17.2 °C 72 mm 49 %
November 9.1 °C 53 mm 56 %
December 1.9 °C 42 mm 62 %

See all twelve months for Des Moines

Nearby destinations in October

Destination Avg high Wet days
Des Moines 17 °C 7.9
Omaha 18 °C 7
Lincoln 19 °C 7
Kansas City 19 °C 8

QuestionsOctober in Des Moines, answered

How warm is Des Moines in October?

Daily highs average 17 °C and nights fall to about 8.0 °C, a spread of 9.2 °C between afternoon and dawn. That makes October the 6th warmest month of the year here.

Does it rain much in Des Moines in October?

October averages 72 mm of rain, spread over about 8 of the 31 days — 26 % of the month. Cloud cover averages 49 % of the sky.

How long are the days in October?

Des Moines averages 11 hours between sunrise and sunset in October. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.