Sapphire Ridge CDP, Montana

Official LSAD Designation: Sapphire Ridge CDP • Census GEOID: 3066317 • Judith Basin County

Climate Normals & Weather Observations

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

Reference Weather Station: LEWISTOWN 42 WSW, MT US (ID: USW00004140) • Located 1.8 miles from community center • Elevation: 1,545.3 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	36.5°	13.3°	24.9°	0.61"
February	35.8°	12.1°	24.0°	0.82"
March	43.5°	19.6°	31.5°	0.86"
April	49.8°	24.7°	37.3°	1.60"
May	59.5°	33.0°	46.3°	2.83"
June	67.4°	40.0°	53.7°	3.07"
July	77.5°	44.3°	60.9°	1.70"
August	77.3°	43.8°	60.6°	1.40"
September	68.5°	36.0°	52.2°	1.34"
October	53.3°	27.8°	40.6°	1.33"
November	42.1°	20.4°	31.2°	0.65"
December	34.7°	13.3°	24.0°	0.55"

2010–2025, completed calendar years only.

NOAA station LEWISTOWN 42 WSW, MT US (ID: USW00004140) • 1.8 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	39.9	52.5	27.2
2011	39.7	52.5	26.8
2012	42.1	55.9	28.2
2013	40.8	53.8	27.8
2014	39.7	52.3	27.1
2015	42.2	56.0	28.5
2016	Unavailable	Unavailable	Unavailable
2017	40.8	54.4	27.2
2018	39.3	52.6	25.9
2019	37.2	49.7	24.8
2020	41.1	54.5	27.6
2021	41.1	55.3	26.9
2022	39.9	53.4	26.3
2023	41.0	54.3	27.7
2024	41.8	55.9	27.9
2025	41.8	55.4	28.1

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