Annual mean
Annual mean of daily highs
Annual mean of daily lows
Yermo CDP, California
Official LSAD Designation: Yermo CDP • Census GEOID: 0686720
• San Bernardino County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Yermo CDP.
Reference Weather Station: BARSTOW DAGGETT AP, CA US (ID: USW00023161)
• Located 4.2 miles from community center
• Elevation: 584.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 61.4° | 36.2° | 48.8° | 0.57" |
| February | 65.5° | 40.1° | 52.8° | 0.70" |
| March | 72.6° | 45.6° | 59.1° | 0.43" |
| April | 79.5° | 51.3° | 65.4° | 0.22" |
| May | 88.9° | 59.5° | 74.2° | 0.05" |
| June | 99.4° | 67.9° | 83.6° | 0.03" |
| July | 105.0° | 74.2° | 89.6° | 0.28" |
| August | 103.9° | 73.1° | 88.5° | 0.20" |
| September | 96.3° | 66.0° | 81.1° | 0.17" |
| October | 83.2° | 54.4° | 68.8° | 0.24" |
| November | 69.6° | 42.5° | 56.1° | 0.32" |
| December | 59.9° | 35.0° | 47.4° | 0.56" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station BARSTOW DAGGETT AP, CA US (ID: USW00023161) • 4.2 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 | 67.0 | 80.6 | 53.3 |
| 2011 | 66.7 | 80.9 | 52.5 |
| 2012 | 69.3 | 83.8 | 54.8 |
| 2013 | 68.4 | 82.4 | 54.5 |
| 2014 | 70.4 | 84.4 | 56.4 |
| 2015 | 69.4 | 83.2 | 55.5 |
| 2016 | 69.2 | 83.3 | 55.2 |
| 2017 | 69.4 | 83.7 | 55.1 |
| 2018 | 69.4 | 83.6 | 55.1 |
| 2019 | Unavailable | Unavailable | Unavailable |
| 2020 | 69.6 | 84.3 | 54.8 |
| 2021 | 69.9 | 84.1 | 55.7 |
| 2022 | 69.4 | 83.2 | 55.5 |
| 2023 | 67.1 | 80.6 | 53.5 |
| 2024 | 70.2 | 84.2 | 56.1 |
| 2025 | 69.6 | 83.5 | 55.7 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.