Whitehorse CDP, South Dakota

Official LSAD Designation: Whitehorse CDP • Census GEOID: 4671140 • Dewey County

Climate Normals & Weather Observations

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

Reference Weather Station: TIMBER LAKE, SD US (ID: USC00398307) • Located 13.6 miles from community center • Elevation: 662.3 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	26.7°	7.1°	16.9°	0.49"
February	30.7°	10.8°	20.7°	0.67"
March	43.9°	21.2°	32.6°	1.00"
April	57.7°	31.9°	44.8°	1.83"
May	69.1°	43.4°	56.2°	2.90"
June	78.7°	53.9°	66.3°	3.56"
July	85.9°	59.4°	72.7°	2.85"
August	85.1°	57.5°	71.3°	1.78"
September	76.1°	48.1°	62.1°	1.53"
October	58.7°	34.6°	46.7°	1.66"
November	42.6°	21.7°	32.1°	0.57"
December	30.2°	11.3°	20.8°	0.57"

2010–2025, completed calendar years only.

NOAA station TIMBER LAKE, SD US (ID: USC00398307) • 13.6 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

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	43.8	54.8	32.9
2011	44.0	55.3	32.7
2012	48.5	61.6	35.5
2013	43.7	55.1	32.3
2014	42.9	54.6	31.2
2015	47.8	60.3	35.2
2016	47.9	60.1	35.7
2017	46.0	58.1	33.8
2018	43.6	55.0	32.2
2019	41.4	51.6	31.1
2020	46.3	58.6	33.9
2021	48.1	60.8	35.4
2022	44.5	57.3	31.7
2023	Unavailable	58.3	Unavailable
2024	47.8	59.9	35.6
2025	Unavailable	Unavailable	Unavailable

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.