Palo Alto, CA Weather & Climate Normals
What a normal year in Palo Alto actually looks like
On the 30-year record NOAA keeps for Palo Alto, CA, the comfort score comes out to 68/100, mild with real seasons: A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. Only 7 months a year land in the 55–75°F range this site treats as mild.
How much Palo Alto's weather actually swings
Average temperatures in Palo Alto run from 48°F in Dec up to 68°F in Jul, a 19.5°F seasonal swing, one of the smaller gaps in this dataset.
Palo Alto, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 58°F | 39°F | 2.95in | 0in |
| Feb | 61°F | 41°F | 3.18in | 0in |
| Mar | 66°F | 44°F | 2.19in | 0in |
| Apr | 70°F | 45°F | 0.97in | 0in |
| May | 73°F | 50°F | 0.44in | 0in |
| Jun | 79°F | 53°F | 0.1in | 0in |
| Jul | 79°F | 56°F | 0in | 0in |
| Aug | 79°F | 55°F | 0.03in | 0in |
| Sep | 80°F | 53°F | 0.07in | 0in |
| Oct | 74°F | 48°F | 0.64in | 0in |
| Nov | 64°F | 43°F | 1.6in | 0in |
| Dec | 58°F | 39°F | 2.95in | 0in |
If you're timing a visit, most of the year (7 of 12 months) are Palo Alto's mildest stretch; if you're moving there, you should plan around Dec's cold instead.
How wet Palo Alto actually gets
Over a typical year, Palo Alto sees about 15.12in of precipitation a year across roughly 56 days with measurable rain or snow, with 0in of snow a year.
Palo Alto against the rest of the country
Out of 4876 cities scored here, Palo Alto comes in at 255; within CA alone it ranks 248 of 429. Population is about 67,658.
Checking the actual forecast
These figures come from Palo Alto, CA US, the NOAA station 3.3 miles from Palo Alto, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is