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Des Moines, IA Weather on August 28
August 28th in Des Moines, IA typically brings warm summer weather, with average highs around 83°F and lows near 60°F. Over 55 years of records, the warmest August 28th was in 2013 (85°F average), while the coldest was 1986 (56°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 28th dates historically, with the wettest August 28th recording 4.59" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
What to Expect on August 28
Planning for August 28th in Des Moines, IA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
August 28 Weather Records for Des Moines
- •The all-time record high for August 28th in Des Moines, IA is 100°F, set in 1984.
- •The coldest August 28th on record dropped to 42°F in 1986.
- •Temperatures have reached 90°F or higher on August 28th in 12 of the last 55 years.
- •Last year (1971), August 28th was 6°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest August 28 ever in Des Moines?
The warmest August 28 in Des Moines, IA reached 100°F in 1984. That is 17°F above the long-term average high of 83°F.
What was the coldest August 28 ever in Des Moines?
The coldest August 28 in Des Moines, IA dropped to 42°F in 1986. That is 18°F below the long-term average low of 60°F.
What is the average temperature on August 28 in Des Moines?
On August 28, Des Moines averages a high of 83°F and a low of 60°F based on 55 years of NOAA weather observations from ANKENY.
How many years of weather data are available for August 28 in Des Moines?
We have 55 years of weather records for August 28 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 28 Weather History in Des Moines
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 83°F | 58°F | 0" | -- |
| 2024 | 88°F | 70°F | 0" | -- |
| 2023 | 84°F | 59°F | 0" | -- |
| 2022 | 87°F | 68°F | 0.84" | -- |
| 2021 | 92°F | 76°F | 0" | -- |
| 2020 | 94°F | 72°F | 0" | -- |
| 2019 | 79°F | 57°F | 0" | -- |
| 2018 | 83°F | 62°F | 0.01" | -- |
| 2017 | 80°F | 58°F | 0.02" | -- |
| 2016 | 80°F | 61°F | 0" | -- |
| 2015 | 73°F | 58°F | 0.29" | -- |
| 2014 | 75°F | 64°F | 0.26" | -- |
| 2013 | 97°F | 74°F | 0" | -- |
| 2012 | 94°F | 68°F | 0" | -- |
| 2011 | 85°F | 54°F | 0" | -- |
| 2010 | 89°F | 58°F | 0" | -- |
| 2009 | 66°F | 61°F | 0.07" | -- |
| 2008 | 79°F | 59°F | 0.21" | -- |
| 2007 | 93°F | 60°F | 0" | -- |
| 2006 | 78°F | 59°F | 1.05" | -- |
| 2005 | 88°F | 57°F | 0" | -- |
| 2004 | 83°F | 63°F | 0.38" | -- |
| 2003 | 98°F | 62°F | 0" | -- |
| 2002 | 85°F | 62°F | 0" | -- |
| 2001 | 88°F | 54°F | 0" | -- |
| 2000 | 80°F | 66°F | 0" | -- |
| 1999 | 89°F | 44°F | 0" | -- |
| 1998 | 77°F | 67°F | 1.18" | -- |
| 1997 | 80°F | 64°F | 0" | -- |
| 1996 | 77°F | 59°F | 0" | -- |
| 1995 | 96°F | 69°F | 0" | -- |
| 1994 | 93°F | 61°F | 0.05" | -- |
| 1993 | 80°F | 63°F | 0.11" | -- |
| 1992 | 69°F | 45°F | 0" | -- |
| 1991 | 89°F | 66°F | 0" | -- |
| 1990 | 96°F | 69°F | 0" | -- |
| 1989 | 82°F | 67°F | 0.4" | -- |
| 1988 | 74°F | 46°F | 0" | -- |
| 1987 | 69°F | 53°F | 0" | -- |
| 1986 | 69°F | 42°F | 0" | -- |
| 1985 | 85°F | 57°F | 0" | -- |
| 1984 | 100°F | 65°F | 0" | -- |
| 1983 | 89°F | 63°F | 0" | -- |
| 1982 | 74°F | 52°F | 0" | -- |
| 1981 | 75°F | 63°F | 1.07" | -- |
| 1980 | 82°F | 63°F | 0" | -- |
| 1979 | 85°F | 55°F | 0.02" | -- |
| 1978 | 82°F | 62°F | 0" | -- |
| 1977 | 90°F | 63°F | 4.59" | -- |
| 1976 | 88°F | 50°F | 0" | -- |
| 1975 | 78°F | 60°F | 0.1" | -- |
| 1974 | 72°F | 51°F | 0" | -- |
| 1973 | 90°F | 73°F | 0" | -- |
| 1972 | 83°F | 60°F | 0" | -- |
| 1971 | 77°F | 47°F | 0" | -- |
Based on 55 years of data from NOAA station: ANKENY
Monthly Climate Averages
Historical temperature and precipitation averages for Des Moines, IA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.