Annual mean
Annual mean of daily highs
Annual mean of daily lows
Mountain House city, California
Official LSAD Designation: Mountain House city • Census GEOID: 0649582
• San Joaquin County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Mountain House city.
Reference Weather Station: TRACY PUMPING PLT, CA US (ID: USC00049001)
• Located 2.7 miles from community center
• Elevation: 18.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 56.3° | 40.5° | 48.4° | 2.51" |
| February | 61.9° | 43.7° | 52.8° | 2.32" |
| March | 67.4° | 47.0° | 57.2° | 1.60" |
| April | 73.2° | 50.2° | 61.7° | 0.84" |
| May | 80.2° | 55.2° | 67.7° | 0.52" |
| June | 88.1° | 59.4° | 73.7° | 0.13" |
| July | 93.3° | 61.9° | 77.6° | 0.00" |
| August | 92.5° | 61.9° | 77.2° | 0.01" |
| September | 88.8° | 60.2° | 74.5° | 0.08" |
| October | 79.1° | 54.5° | 66.8° | 0.67" |
| November | 65.6° | 46.1° | 55.9° | 1.32" |
| December | 56.6° | 40.3° | 48.5° | 2.37" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station TRACY PUMPING PLT, CA US (ID: USC00049001) • 2.7 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 | 62.4 | 73.3 | 51.4 |
| 2011 | 61.6 | 73.1 | 50.1 |
| 2012 | 63.7 | 76.0 | 51.4 |
| 2013 | 63.8 | 76.5 | 51.1 |
| 2014 | 66.3 | 78.5 | 54.1 |
| 2015 | 65.2 | 77.3 | 53.0 |
| 2016 | 64.7 | 76.6 | 52.7 |
| 2017 | 64.9 | 77.0 | 52.9 |
| 2018 | 64.4 | 76.9 | 52.0 |
| 2019 | 64.3 | 76.3 | 52.3 |
| 2020 | 66.1 | 78.9 | 53.3 |
| 2021 | 65.9 | 79.4 | 52.4 |
| 2022 | 65.5 | 79.1 | 51.8 |
| 2023 | 63.8 | 76.5 | 51.0 |
| 2024 | 66.1 | 79.2 | 52.9 |
| 2025 | 64.8 | 77.4 | 52.1 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.