Piedmont, CA Weather & Climate Normals
Piedmont's real weather, in one number
Piedmont, CA scores 81/100 on this site's reading of NOAA's own 30-year normals: very mild year-round. Many months fall in a comfortable temperature range with limited snow or seasonal extremes. 9 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Piedmont's hottest and coldest months
Piedmont's hottest month is Sep, averaging 66°F; its coldest is Dec, averaging 52°F, a 13.5°F swing across the year, one of the smaller gaps in this dataset.
Piedmont's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 60°F | 45°F | 4.35in | 0in |
| Feb | 62°F | 47°F | 4.35in | 0in |
| Mar | 65°F | 49°F | 3.21in | 0in |
| Apr | 67°F | 50°F | 1.37in | 0in |
| May | 69°F | 53°F | 0.75in | 0in |
| Jun | 72°F | 55°F | 0.2in | 0in |
| Jul | 72°F | 57°F | 0in | 0in |
| Aug | 73°F | 58°F | 0.05in | 0in |
| Sep | 75°F | 57°F | 0.1in | 0in |
| Oct | 73°F | 55°F | 1.13in | 0in |
| Nov | 66°F | 49°F | 2.44in | 0in |
| Dec | 60°F | 45°F | 4.66in | 0in |
most of the year (9 of 12 months) are the best time to see Piedmont at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Piedmont
Piedmont averages 22.61in of precipitation a year across roughly 63 days with measurable rain or snow, and 0in of snow a year.
Where Piedmont ranks
Piedmont ranks 108 of 4876 US cities in this dataset for comfort score, and 108 of 429 within CA. About 10,816 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Oakland Museum, CA US, 2.5 miles from Piedmont, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station