Hollister city, Idaho

Official LSAD Designation: Hollister city • Census GEOID: 1638080 • Twin Falls County

Climate Normals & Weather Observations

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

Reference Weather Station: TWIN FALLS SUN VLY RGNL AP, ID US (ID: USW00094178) • Located 10.2 miles from community center • Elevation: 1,265.2 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	37.0°	21.1°	29.1°	0.95"
February	41.8°	23.8°	32.8°	0.68"
March	52.2°	29.7°	40.9°	0.98"
April	58.7°	34.3°	46.5°	1.13"
May	68.7°	42.2°	55.4°	1.46"
June	78.2°	49.4°	63.8°	0.99"
July	88.4°	57.7°	73.0°	0.31"
August	86.8°	55.8°	71.3°	0.43"
September	76.4°	47.1°	61.8°	0.53"
October	62.3°	36.4°	49.3°	0.77"
November	47.2°	26.0°	36.6°	0.82"
December	36.9°	20.1°	28.5°	1.23"

2010–2025, completed calendar years only.

NOAA station TWIN FALLS SUN VLY RGNL AP, ID US (ID: USW00094178) • 10.2 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	50.5	62.1	38.8
2011	49.9	62.0	37.7
2012	53.2	65.9	40.4
2013	50.7	63.1	38.4
2014	53.0	64.8	41.2
2015	53.5	65.3	41.7
2016	50.4	62.2	38.6
2017	49.3	61.3	37.3
2018	50.1	62.1	38.0
2019	48.5	60.2	36.7
2020	50.5	62.9	38.1
2021	51.7	63.9	39.5
2022	48.8	60.8	36.9
2023	49.5	61.3	37.7
2024	Unavailable	63.8	Unavailable
2025	52.4	64.3	40.4

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