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Milltown CDP, South Dakota

Official LSAD Designation: Milltown CDP • Census GEOID: 4642620 • Hutchinson County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Milltown CDP.

Reference Weather Station: ALEXANDRIA, SD US (ID: USC00390128) • Located 15.7 miles from community center • Elevation: 416.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 25.3° 5.8° 15.5° 0.47"
February 31.0° 9.6° 20.3° 0.74"
March 43.8° 20.7° 32.2° 1.13"
April 57.6° 31.9° 44.8° 2.88"
May 69.4° 44.4° 56.9° 3.64"
June 79.3° 55.6° 67.4° 3.97"
July 84.2° 60.0° 72.1° 3.13"
August 81.8° 57.4° 69.6° 3.02"
September 75.1° 48.6° 61.9° 2.81"
October 60.0° 34.7° 47.4° 2.01"
November 43.2° 21.4° 32.3° 0.92"
December 29.2° 10.3° 19.7° 0.60"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station ALEXANDRIA, SD US (ID: USC00390128) • 15.7 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 ALEXANDRIA, 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. 28.0 37.0 46.0 55.0 64.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 48.4°F 2011: Annual mean 48.3°F 2014: Annual mean 44.2°F 2019: Annual mean 43.2°F 2020: Annual mean 46.7°F 2021: Annual mean 48.4°F 2022: Annual mean 45.6°F 2023: Annual mean 47.5°F 2024: Annual mean 48.8°F 2010: Annual mean of daily highs 59.0°F 2011: Annual mean of daily highs 59.7°F 2014: Annual mean of daily highs 57.2°F 2019: Annual mean of daily highs 53.6°F 2020: Annual mean of daily highs 58.3°F 2021: Annual mean of daily highs 60.9°F 2022: Annual mean of daily highs 59.3°F 2023: Annual mean of daily highs 59.5°F 2024: Annual mean of daily highs 60.7°F 2010: Annual mean of daily lows 37.9°F 2011: Annual mean of daily lows 36.9°F 2014: Annual mean of daily lows 31.2°F 2019: Annual mean of daily lows 32.8°F 2020: Annual mean of daily lows 35.1°F 2021: Annual mean of daily lows 35.8°F 2022: Annual mean of daily lows 31.8°F 2023: Annual mean of daily lows 35.5°F 2024: Annual mean of daily lows 36.9°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 48.4 59.0 37.9
2011 48.3 59.7 36.9
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 44.2 57.2 31.2
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 43.2 53.6 32.8
2020 46.7 58.3 35.1
2021 48.4 60.9 35.8
2022 45.6 59.3 31.8
2023 47.5 59.5 35.5
2024 48.8 60.7 36.9
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.