Annual mean
Annual mean of daily highs
Annual mean of daily lows
Alpine CDP, California
Official LSAD Designation: Alpine CDP • Census GEOID: 0601192
• San Diego County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Alpine CDP.
Reference Weather Station: ALPINE, CA US (ID: USC00040136)
• Located 1.4 miles from community center
• Elevation: 516.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 63.9° | 42.5° | 53.2° | 3.21" |
| February | 64.2° | 42.3° | 53.3° | 3.65" |
| March | 67.2° | 44.4° | 55.8° | 2.73" |
| April | 70.7° | 46.9° | 58.8° | 1.18" |
| May | 74.4° | 50.8° | 62.6° | 0.57" |
| June | 81.2° | 54.3° | 67.8° | 0.13" |
| July | 86.7° | 60.2° | 73.4° | 0.10" |
| August | 88.9° | 62.2° | 75.5° | 0.12" |
| September | 85.9° | 60.3° | 73.1° | 0.25" |
| October | 78.3° | 54.0° | 66.2° | 0.59" |
| November | 70.6° | 47.6° | 59.1° | 1.48" |
| December | 63.1° | 41.5° | 52.3° | 2.04" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ALPINE, CA US (ID: USC00040136) • 1.4 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 | 61.2 | 71.9 | 50.5 |
| 2011 | 61.4 | 73.5 | 49.4 |
| 2012 | 63.1 | 75.6 | 50.6 |
| 2013 | 62.9 | 75.7 | 50.2 |
| 2014 | 65.5 | 78.3 | 52.6 |
| 2015 | 65.1 | 76.9 | 53.2 |
| 2016 | 64.3 | 77.2 | 51.4 |
| 2017 | 65.2 | 77.3 | 53.1 |
| 2018 | 64.6 | 76.9 | 52.4 |
| 2019 | 62.4 | 74.1 | 50.8 |
| 2020 | 64.3 | 77.0 | 51.7 |
| 2021 | 63.1 | 75.5 | 50.8 |
| 2022 | 64.3 | 76.7 | 51.8 |
| 2023 | 61.8 | 73.0 | 50.7 |
| 2024 | 63.4 | 75.4 | 51.3 |
| 2025 | 63.7 | 76.3 | 51.2 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.