Brant Lake city, South Dakota

Official LSAD Designation: Brant Lake city • Census GEOID: 4607040 • Lake County

Climate Normals & Weather Observations

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

Reference Weather Station: WENTWORTH 2.5 WNW, SD US (ID: USC00399042) • Located 6.1 miles from community center • Elevation: 524.9 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	25.2°	6.8°	16.0°	0.48"
February	30.3°	11.4°	20.9°	0.75"
March	43.4°	22.5°	32.9°	1.23"
April	57.9°	34.2°	46.0°	2.50"
May	69.8°	46.7°	58.3°	3.52"
June	78.9°	57.7°	68.3°	4.43"
July	83.3°	61.4°	72.3°	3.22"
August	80.7°	59.3°	70.0°	3.26"
September	73.9°	51.1°	62.5°	3.27"
October	59.9°	37.6°	48.7°	1.91"
November	43.3°	24.2°	33.7°	1.17"
December	29.3°	12.7°	21.0°	1.01"

2010–2025, completed calendar years only.

NOAA station MADISON 2SE, SD US (ID: USC00395090) • 8.5 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00399042), which has no available annual mean history.

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	Unavailable	Unavailable	Unavailable
2011	43.7	54.0	33.3
2012	48.7	60.6	36.7
2013	42.9	53.1	32.6
2014	42.4	53.1	31.7
2015	46.7	57.3	36.0
2016	47.5	57.7	37.2
2017	46.2	57.0	35.5
2018	43.6	53.3	33.9
2019	42.0	51.3	32.7
2020	45.8	56.3	35.3
2021	47.2	58.1	36.4
2022	Unavailable	Unavailable	Unavailable
2023	46.5	57.2	35.9
2024	47.9	58.4	37.5
2025	46.8	58.0	35.6

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