Signal Hill, CA Weather & Climate Normals
Signal Hill's real weather, in one number
Signal Hill, CA scores 93/100 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. 12 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Signal Hill's hottest and coldest months
Signal Hill's hottest month is Aug, averaging 74°F; its coldest is Dec, averaging 57°F, a 17.7°F swing across the year, one of the smaller gaps in this dataset.
Rain and snow in Signal Hill
Over a typical year, Signal Hill sees about 12.02in of precipitation a year across roughly 35 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Signal Hill ranks
Signal Hill ranks 78 of 4876 US cities in this dataset for comfort score, and 78 of 429 within CA. About 11,279 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from LONG BEACH DAUGHERTY FLD, CA US, 1.5 miles from Signal Hill, 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