San Leandro, CA Weather & Climate Normals
San Leandro's real weather, in one number
San Leandro, CA scores 75/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 8 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
San Leandro's hottest and coldest months
San Leandro's hottest month is Sep, averaging 65°F; its coldest is Jan, averaging 50°F, a 14.9°F swing across the year, one of the smaller gaps in this dataset.
Rain and snow in San Leandro
Over a typical year, San Leandro sees about 18.68in of precipitation a year across roughly 68 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where San Leandro ranks
San Leandro ranks 216 of 4876 US cities in this dataset for comfort score, and 216 of 429 within CA. About 86,571 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from OAKLAND METRO INTL AP, CA US, 3.4 miles from San Leandro, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated