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Des Moines, IA Weather on August 26

Des Moines hits 104°F on August 26, 1983

On August 26, 1983, Des Moines experienced extreme heat when the mercury climbed to 104°F, marking the record high for this date. This sweltering temperature stands 20 degrees above the typical August 26 high of 84°F. In contrast, the most recent years have brought cooler conditions, with the record low of 47°F set just recently in 2025, showing the dramatic range of conditions possible on this late summer date across five decades of records.

By Weather On This Day|
Avg High
84°F
Avg Low
62°F
Record High
103°F
2003
Record Low
47°F
2025
Des Moines, IA on August 26 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on August 26

Planning for August 26th in Des Moines, IA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

Frequently Asked Questions

What was the warmest August 26 ever in Des Moines?

The warmest August 26 in Des Moines, IA reached 103°F in 2003. That is 19°F above the long-term average high of 84°F.

What was the coldest August 26 ever in Des Moines?

The coldest August 26 in Des Moines, IA dropped to 47°F in 2025. That is 15°F below the long-term average low of 62°F.

What is the average temperature on August 26 in Des Moines?

On August 26, Des Moines averages a high of 84°F and a low of 62°F based on 55 years of NOAA weather observations from ANKENY.

How many years of weather data are available for August 26 in Des Moines?

We have 55 years of weather records for August 26 in Des Moines, IA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 26 Weather History in Des Moines

YearHighLowPrecipSnow
202576°F47°F0"--
202499°F76°F0"--
202386°F68°F0"--
202284°F64°F0"--
202186°F68°F0.5"--
202093°F70°F0"--
201970°F61°F0.02"--
201884°F72°F0"--
201778°F60°F0"--
201675°F59°F0"--
201573°F48°F0"--
201486°F64°F0.13"--
201395°F73°F0"--
201288°F69°F0.27"--
201190°F59°F0"--
201079°F53°F0"--
200983°F64°F0.17"--
200881°F54°F0"--
200780°F58°F0"--
200680°F67°F0"--
200584°F60°F0"--
200479°F67°F0.33"--
2003103°F69°F0"--
200282°F48°F0"--
200181°F59°F0"--
200090°F69°F0"--
199984°F50°F0"--
199883°F58°F0"--
199789°F68°F0.03"--
199684°F55°F0"--
199591°F58°F0"--
199492°F62°F0.54"--
199389°F67°F0.21"--
199280°F57°F0.03"--
199190°F67°F0"--
199090°F70°F0"--
198984°F66°F1.26"--
198880°F51°F0.01"--
198761°F55°F1.38"--
198676°F68°F0.12"--
198573°F60°F0"--
198492°F66°F0"--
198399°F70°F0.83"--
198280°F57°F0"--
198177°F66°F0.82"--
198091°F63°F0"--
197976°F61°F0.69"--
197885°F68°F0.01"--
197779°F58°F0.55"--
197686°F65°F0"--
197569°F53°F0"--
197481°F65°F0.45"--
197392°F72°F0"--
197273°F61°F0.37"--
197189°F51°F0"--

Based on 55 years of data from NOAA station: ANKENY

How Has August 26 Changed?

Temperatures on this date have remained relatively stable over the past several decades.

Monthly Climate Averages

Historical temperature and precipitation averages for Des Moines, IA, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 86°F / Low: 66°F
Coldest MonthJanuaryAvg High: 30°F / Low: 12°F
Jan
30°/ 12°
💧 0.1"
❄️ 1.4"
Feb
35°/ 16°
💧 0.2"
❄️ 1.6"
Mar
48°/ 28°
💧 0.3"
❄️ 1.5"
Apr
62°/ 40°
💧 0.3"
❄️ 1.7"
May
73°/ 51°
💧 0.4"
❄️ 2.0"
Jun
82°/ 61°
💧 0.5"
❄️ 0.1"
Jul
86°/ 66°
💧 0.4"
Aug
84°/ 63°
💧 0.5"
Sep
77°/ 54°
💧 0.4"
Oct
64°/ 42°
💧 0.3"
❄️ 1.7"
Nov
48°/ 29°
💧 0.3"
❄️ 1.5"
Dec
34°/ 17°
💧 0.2"
❄️ 1.4"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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