Weather on May 1

Sioux Falls, SD

55 Years of Data

Avg High
64°F
Avg Low
40°F
Warmest
2021
76°F avg
Coldest
2002
39°F avg

About This Date

May 1st in Sioux Falls, SD typically brings mild spring weather, with average highs around 64°F and lows near 40°F. Over 55 years of records, the warmest May 1st was in 2021 (76°F average), while the coldest was 2002 (39°F) — a 37°F range across recorded history. Precipitation has occurred on 42% of recorded May 1st dates, with snow falling 4% of the time (heaviest snowfall: 2.2"). The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.

Planning for May 1st in Sioux Falls, SD? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202567°46°56°1.47"
202462°40°51°0.05"
202361°36°48°
202250°40°45°
2021warmest93°59°76°
202086°59°73°
201947°41°44°0.1"
201867°48°57°
201754°33°43°0.81"2.2"
201659°39°49°0.15"
201577°54°65°
201450°38°44°
201347°32°39°1.55"1.5"
201284°52°68°0.71"
201156°31°43°
201061°42°51°
200960°41°51°
200869°48°59°0.23"
200769°42°56°
200662°44°53°
200546°32°39°
200456°31°43°0.18"
200362°41°52°
2002coldest47°32°39°0.3"
200181°47°64°0.36"
200074°40°57°
199971°36°53°
199872°40°56°
199761°21°41°0.43"
199662°30°46°
199558°39°48°0.25"
199454°31°42°0.05"
199350°43°46°1.4"
199289°56°72°
199158°36°47°
199061°28°44°
198953°28°41°0.13"
198878°55°67°
198793°52°72°0.41"
198658°38°48°
198569°45°57°
198458°28°43°
198350°42°46°2.41"
198272°36°54°
198165°41°53°
198079°44°61°
197949°35°42°0.51"
197857°31°44°
197770°48°59°
197661°37°49°0.1"
197566°29°47°0.08"
197480°38°59°
197342°39°41°0.2"
197257°38°47°9.02"
197158°30°44°
55 years of data from SIOUX FALLS

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

May 1st Weather in Sioux Falls, SD - 55 Years of History