Annual mean
Annual mean of daily highs
Annual mean of daily lows
Atherton town, California
Official LSAD Designation: Atherton town • Census GEOID: 0603092
• San Mateo County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Atherton town.
Reference Weather Station: REDWOOD CITY, CA US (ID: USC00047339)
• Located 2.5 miles from community center
• Elevation: 9.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 58.9° | 40.5° | 49.7° | 3.81" |
| February | 61.9° | 42.5° | 52.2° | 3.65" |
| March | 65.3° | 44.6° | 54.9° | 3.02" |
| April | 68.5° | 46.5° | 57.5° | 1.15" |
| May | 72.9° | 50.4° | 61.6° | 0.46" |
| June | 78.8° | 53.6° | 66.2° | 0.16" |
| July | 81.0° | 56.6° | 68.8° | 0.00" |
| August | 80.8° | 56.5° | 68.7° | 0.04" |
| September | 79.3° | 54.3° | 66.8° | 0.07" |
| October | 74.6° | 49.8° | 62.2° | 0.87" |
| November | 64.7° | 43.9° | 54.3° | 1.87" |
| December | 58.6° | 40.2° | 49.4° | 3.92" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station REDWOOD CITY, CA US (ID: USC00047339) • 2.5 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 | 58.4 | 68.4 | 48.3 |
| 2011 | 58.2 | 69.2 | 47.2 |
| 2012 | 59.1 | 70.3 | 48.0 |
| 2013 | 59.5 | 71.4 | 47.7 |
| 2014 | 61.8 | 73.1 | 50.6 |
| 2015 | 61.3 | 72.6 | 50.0 |
| 2016 | 60.5 | 71.0 | 49.9 |
| 2017 | 60.6 | 71.6 | 49.7 |
| 2018 | 59.7 | 70.7 | 48.6 |
| 2019 | 59.9 | 70.5 | 49.4 |
| 2020 | 60.7 | 72.1 | 49.4 |
| 2021 | 59.3 | 70.2 | 48.5 |
| 2022 | 59.6 | 71.5 | 47.6 |
| 2023 | 59.2 | 69.9 | 48.5 |
| 2024 | 60.8 | 72.0 | 49.6 |
| 2025 | 60.3 | 71.6 | 49.0 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.