Cowan CDP, California

Official LSAD Designation: Cowan CDP • Census GEOID: 0616762 • Stanislaus County

Climate Normals & Weather Observations

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

Reference Weather Station: MODESTO CITY CO AP, CA US (ID: USW00023258) • Located 4.9 miles from community center • Elevation: 22.3 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	56.1°	38.8°	47.5°	2.57"
February	62.2°	41.8°	52.0°	2.22"
March	68.1°	45.2°	56.7°	1.78"
April	73.8°	48.4°	61.1°	1.00"
May	82.0°	53.7°	67.8°	0.65"
June	89.7°	59.2°	74.5°	0.15"
July	95.0°	62.7°	78.8°	0.00"
August	93.5°	62.0°	77.8°	0.01"
September	89.1°	58.6°	73.9°	0.06"
October	79.0°	51.5°	65.2°	0.55"
November	65.7°	43.2°	54.5°	1.07"
December	56.2°	38.6°	47.4°	2.21"

2010–2025, completed calendar years only.

NOAA station MODESTO CITY CO AP, CA US (ID: USW00023258) • 4.9 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	61.9	73.7	50.2
2011	61.3	73.8	48.8
2012	63.1	76.3	49.9
2013	63.2	77.0	49.4
2014	65.3	78.3	52.3
2015	65.4	78.4	52.3
2016	65.6	78.3	53.0
2017	65.4	78.0	52.8
2018	63.9	76.9	51.0
2019	63.6	76.1	51.1
2020	Unavailable	77.8	Unavailable
2021	62.9	75.5	50.3
2022	63.3	76.5	50.1
2023	61.9	74.0	49.7
2024	64.9	77.3	52.4
2025	Unavailable	Unavailable	Unavailable

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