Annual mean
Annual mean of daily highs
Annual mean of daily lows
Cypress city, California
Official LSAD Designation: Cypress city • Census GEOID: 0617750
• Orange County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Cypress city.
Reference Weather Station: FULLERTON MUNI AP, CA US (ID: USW00003166)
• Located 5.0 miles from community center
• Elevation: 29.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 68.8° | 46.4° | 57.6° | 2.85" |
| February | 69.0° | 48.3° | 58.6° | 3.02" |
| March | 71.0° | 51.5° | 61.2° | 1.74" |
| April | 74.2° | 53.8° | 64.0° | 0.59" |
| May | 75.7° | 58.1° | 66.9° | 0.30" |
| June | 79.0° | 62.6° | 70.8° | 0.08" |
| July | 84.4° | 66.1° | 75.2° | 0.02" |
| August | 86.7° | 66.4° | 76.5° | 0.02" |
| September | 85.4° | 64.6° | 75.0° | 0.14" |
| October | 80.3° | 58.3° | 69.3° | 0.50" |
| November | 74.0° | 50.7° | 62.4° | 0.74" |
| December | 68.1° | 45.6° | 56.9° | 1.86" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station FULLERTON MUNI AP, CA US (ID: USW00003166) • 5.0 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 64.1 | 74.3 | 53.9 |
| 2011 | 64.6 | 75.2 | 54.1 |
| 2012 | 68.5 | 78.9 | 58.0 |
| 2013 | 67.9 | 78.6 | 57.1 |
| 2014 | 69.1 | 79.9 | 58.4 |
| 2015 | 69.0 | 79.7 | 58.2 |
| 2016 | 68.1 | 79.0 | 57.2 |
| 2017 | 67.9 | 78.7 | 57.2 |
| 2018 | 67.8 | 78.3 | 57.4 |
| 2019 | 65.9 | 75.9 | 56.0 |
| 2020 | 68.3 | 79.3 | 57.2 |
| 2021 | 66.6 | 77.1 | 56.1 |
| 2022 | 67.4 | 78.3 | 56.5 |
| 2023 | 65.7 | 75.5 | 55.9 |
| 2024 | 65.6 | 75.4 | 55.8 |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.