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Sioux Falls, SD Weather on May 25
May 25th in Sioux Falls, SD typically brings pleasant spring weather, with average highs around 71°F and lows near 50°F. Over 55 years of records, the warmest May 25th was in 1985 (77°F average), while the coldest was 1992 (45°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 42% of May 25th dates historically, with the wettest May 25th recording 5" of rain. The last decade has been 9.7°F warmer on this date compared to 20-30 years ago.
What to Expect on May 25
Planning for May 25th in Sioux Falls, SD? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
May 25 Weather Records for Sioux Falls
- •The all-time record high for May 25th in Sioux Falls, SD is 91°F, set in 1985.
- •The coldest May 25th on record dropped to 35°F in 1983.
- •Temperatures have reached 90°F or higher on May 25th in 1 of the last 55 years.
- •Last year (1971), May 25th was 14°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest May 25 ever in Sioux Falls?
The warmest May 25 in Sioux Falls, SD reached 91°F in 1985. That is 20°F above the long-term average high of 71°F.
What was the coldest May 25 ever in Sioux Falls?
The coldest May 25 in Sioux Falls, SD dropped to 35°F in 1983. That is 15°F below the long-term average low of 50°F.
What is the average temperature on May 25 in Sioux Falls?
On May 25, Sioux Falls averages a high of 71°F and a low of 50°F based on 55 years of NOAA weather observations from SIOUX FALLS.
How many years of weather data are available for May 25 in Sioux Falls?
We have 55 years of weather records for May 25 in Sioux Falls, SD, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 25 Weather History in Sioux Falls
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 71°F | 44°F | 0" | -- |
| 2024 | 74°F | 48°F | 0.03" | -- |
| 2023 | 84°F | 64°F | 0" | -- |
| 2022 | 55°F | 49°F | 0.28" | -- |
| 2021 | 82°F | 58°F | 0" | -- |
| 2020 | 67°F | 59°F | 0.33" | -- |
| 2019 | 69°F | 50°F | 0" | -- |
| 2018 | 89°F | 61°F | 0" | -- |
| 2017 | 72°F | 50°F | 0" | -- |
| 2016 | 80°F | 60°F | 0.51" | -- |
| 2015 | 72°F | 57°F | 0.05" | -- |
| 2014 | 81°F | 55°F | 0" | -- |
| 2013 | 74°F | 51°F | 5" | -- |
| 2012 | 63°F | 44°F | 0.03" | -- |
| 2011 | 62°F | 46°F | 0" | -- |
| 2010 | 73°F | 53°F | 0.3" | -- |
| 2009 | 83°F | 60°F | 0" | -- |
| 2008 | 82°F | 59°F | 0" | -- |
| 2007 | 71°F | 40°F | 0" | -- |
| 2006 | 71°F | 54°F | 0" | -- |
| 2005 | 66°F | 49°F | 1.27" | -- |
| 2004 | 56°F | 42°F | 0" | -- |
| 2003 | 72°F | 41°F | 0" | -- |
| 2002 | 74°F | 38°F | 0" | -- |
| 2001 | 71°F | 45°F | 0.03" | -- |
| 2000 | 73°F | 39°F | 0" | -- |
| 1999 | 67°F | 44°F | 0" | -- |
| 1998 | 67°F | 47°F | 0" | -- |
| 1997 | 55°F | 52°F | 0.1" | -- |
| 1996 | 54°F | 46°F | 0.03" | -- |
| 1995 | 73°F | 44°F | 0" | -- |
| 1994 | 70°F | 52°F | 0.48" | -- |
| 1993 | 70°F | 40°F | 0" | -- |
| 1992 | 52°F | 39°F | 0.18" | -- |
| 1991 | 75°F | 55°F | 0" | -- |
| 1990 | 67°F | 57°F | 1.17" | -- |
| 1989 | 74°F | 43°F | 0" | -- |
| 1988 | 82°F | 49°F | 0" | -- |
| 1987 | 61°F | 51°F | 2.01" | -- |
| 1986 | 65°F | 51°F | 0.15" | -- |
| 1985 | 91°F | 62°F | 0" | -- |
| 1984 | 64°F | 44°F | 0.05" | -- |
| 1983 | 65°F | 35°F | 0" | -- |
| 1982 | 64°F | 57°F | 1.63" | -- |
| 1981 | 68°F | 50°F | 0" | -- |
| 1980 | 87°F | 57°F | 0" | -- |
| 1979 | 76°F | 43°F | 0.28" | -- |
| 1978 | 87°F | 61°F | 0.33" | -- |
| 1977 | 84°F | 67°F | 0" | -- |
| 1976 | 73°F | 43°F | 0" | -- |
| 1975 | 78°F | 55°F | 0.03" | -- |
| 1974 | 68°F | 43°F | 0.08" | -- |
| 1973 | 66°F | 47°F | 0" | -- |
| 1972 | 78°F | 50°F | 0" | -- |
| 1971 | 57°F | 39°F | 0" | -- |
Based on 55 years of data from NOAA station: SIOUX FALLS
Monthly Climate Averages
Historical temperature and precipitation averages for Sioux Falls, SD, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.