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Yankton city, South Dakota

Official LSAD Designation: Yankton city • Census GEOID: 4673060 • Yankton County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Yankton city.

Reference Weather Station: YANKTON 2 E, SD US (ID: USW00094911) • Located 1.7 miles from community center • Elevation: 359.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 30.0° 10.4° 20.2° 0.65"
February 34.9° 14.2° 24.6° 0.91"
March 47.1° 24.6° 35.9° 1.60"
April 60.0° 35.4° 47.7° 3.36"
May 71.9° 47.7° 59.8° 3.68"
June 82.4° 58.9° 70.7° 4.03"
July 87.1° 63.8° 75.4° 3.46"
August 84.8° 61.5° 73.1° 3.26"
September 77.5° 52.1° 64.8° 2.85"
October 63.3° 38.5° 50.9° 2.56"
November 47.2° 25.3° 36.2° 1.27"
December 34.0° 14.9° 24.5° 1.03"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station YANKTON 2 E, SD US (ID: USW00094911) • 1.7 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at YANKTON 2 E, SD US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 33.0 41.0 49.0 57.0 65.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2018: Annual mean 47.0°F 2020: Annual mean 49.7°F 2021: Annual mean 50.8°F 2022: Annual mean 48.5°F 2024: Annual mean 51.1°F 2018: Annual mean of daily highs 56.8°F 2020: Annual mean of daily highs 60.8°F 2021: Annual mean of daily highs 62.1°F 2022: Annual mean of daily highs 60.9°F 2024: Annual mean of daily highs 62.0°F 2018: Annual mean of daily lows 37.3°F 2020: Annual mean of daily lows 38.7°F 2021: Annual mean of daily lows 39.4°F 2022: Annual mean of daily lows 36.0°F 2024: Annual mean of daily lows 40.1°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 47.0 56.8 37.3
2019 Unavailable Unavailable Unavailable
2020 49.7 60.8 38.7
2021 50.8 62.1 39.4
2022 48.5 60.9 36.0
2023 Unavailable Unavailable Unavailable
2024 51.1 62.0 40.1
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.