Aliso Viejo city, California

Official LSAD Designation: Aliso Viejo city • Census GEOID: 0600947 • Orange County

Climate Normals & Weather Observations

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

Reference Weather Station: LAGUNA BEACH, CA US (ID: USC00044647) • Located 3.8 miles from community center • Elevation: 13.4 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	68.4°	44.2°	56.3°	2.78"
February	67.8°	44.8°	56.3°	3.39"
March	69.3°	47.9°	58.6°	1.62"
April	72.5°	50.1°	61.3°	0.80"
May	74.5°	54.5°	64.5°	0.20"
June	76.0°	57.8°	66.9°	0.11"
July	79.5°	60.1°	69.8°	0.11"
August	81.2°	61.2°	71.2°	0.02"
September	81.0°	58.5°	69.7°	0.16"
October	77.2°	55.1°	66.2°	0.49"
November	72.2°	48.5°	60.3°	1.13"
December	67.3°	43.8°	55.6°	1.87"

2010–2025, completed calendar years only.

NOAA station NEWPORT BEACH HARBOR, CA US (ID: USC00046175) • 9.1 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00044647), 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	Unavailable	Unavailable	Unavailable
2012	62.0	66.8	57.3
2013	61.8	66.9	56.6
2014	64.9	70.1	59.8
2015	65.3	70.7	59.9
2016	63.9	68.9	58.8
2017	64.1	69.3	58.9
2018	63.8	68.6	58.9
2019	62.7	67.8	57.5
2020	63.5	69.1	58.0
2021	62.2	67.0	57.3
2022	63.6	69.7	57.5
2023	62.2	67.0	57.3
2024	62.2	66.9	57.5
2025	62.6	67.3	57.9

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