South Pasadena, CA Weather & Climate Normals
What a normal year in South Pasadena actually looks like
On the 30-year record NOAA keeps for South Pasadena, CA, the comfort score comes out to 78/100, mild with real seasons: A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. Only 9 months a year land in the 55–75°F range this site treats as mild.
How much South Pasadena's weather actually swings
Average temperatures in South Pasadena run from 56°F in Dec up to 77°F in Aug, a 21.3°F seasonal swing, a middling gap by national standards.
South Pasadena, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 68°F | 46°F | 4.51in | 0in |
| Feb | 69°F | 46°F | 5.16in | 0in |
| Mar | 73°F | 48°F | 3.03in | 0in |
| Apr | 76°F | 51°F | 1.11in | 0in |
| May | 78°F | 54°F | 0.48in | 0in |
| Jun | 84°F | 58°F | 0.21in | 0in |
| Jul | 89°F | 62°F | 0.06in | 0in |
| Aug | 91°F | 63°F | 0.03in | 0in |
| Sep | 90°F | 62°F | 0.22in | 0in |
| Oct | 83°F | 56°F | 0.84in | 0in |
| Nov | 75°F | 50°F | 1.1in | 0in |
| Dec | 67°F | 45°F | 3.33in | 0in |
If you're timing a visit, most of the year (9 of 12 months) are South Pasadena's mildest stretch; if you're moving there, you should plan around Aug's heat instead.
How wet South Pasadena actually gets
Over a typical year, South Pasadena sees about 20.08in of precipitation a year across roughly 43 days with measurable rain or snow, with 0in of snow a year.
South Pasadena against the rest of the country
Out of 4876 cities scored here, South Pasadena comes in at 158; within CA alone it ranks 158 of 429. Population is about 25,656.
Checking the actual forecast
These figures come from Pasadena, CA US, the NOAA station 2.8 miles from South Pasadena, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated