Stonyford CDP, California

Official LSAD Designation: Stonyford CDP • Census GEOID: 0675154 • Colusa County

Climate Normals & Weather Observations

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

Reference Weather Station: EAST PARK RSVR, CA US (ID: USC00042640) • Located 1.6 miles from community center • Elevation: 367.3 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	56.7°	32.0°	44.4°	4.98"
February	59.3°	34.6°	47.0°	4.49"
March	63.3°	38.1°	50.7°	2.84"
April	69.4°	41.1°	55.2°	1.18"
May	78.1°	47.9°	63.0°	0.93"
June	87.8°	53.9°	70.9°	0.33"
July	94.2°	59.7°	77.0°	0.02"
August	93.1°	57.0°	75.1°	0.05"
September	89.4°	52.0°	70.7°	0.15"
October	78.9°	45.3°	62.1°	0.87"
November	64.9°	36.9°	50.9°	2.13"
December	56.8°	32.3°	44.6°	3.79"

2010–2025, completed calendar years only.

NOAA station STONY GORGE RSVR, CA US (ID: USC00048587) • 15.0 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00042640), 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	58.8	72.5	45.1
2011	58.6	73.5	43.6
2012	59.9	75.6	44.3
2013	60.7	77.4	44.0
2014	62.7	78.1	47.2
2015	62.6	78.4	46.9
2016	60.7	75.0	46.3
2017	61.0	76.0	46.0
2018	60.6	76.3	44.9
2019	59.8	74.2	45.3
2020	61.7	77.8	45.7
2021	61.7	76.7	46.7
2022	61.4	77.7	45.1
2023	60.2	74.2	46.1
2024	61.2	76.4	46.0
2025	61.2	76.6	45.7

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