Rancho Santa Margarita vs Altadena Climate
96%matchRancho Santa Margarita vs Altadena: a 96% climate match. Very close: temperatures within 3°F (1°C), with similar rain, humidity and sun.
Rancho Santa Margarita gets 13 in (328 mm) of rain a year and Altadena 16 in (413 mm). August is the warmest month in both, with highs of 89°F (31°C) in Rancho Santa Margarita and 91°F (33°C) in Altadena.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Rancho Santa MargaritaAltadenasolid = high, dashed = low
Rain (in per month)
Rancho Santa MargaritaAltadena
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Rancho Santa Margarita | Altadena | Rancho Santa Margarita | Altadena | Rancho Santa Margarita | Altadena | |
| Jan | 68°F(20°C) | 68°F(20°C) | 44°F(7°C) | 43°F(6°C) | 2.4 in(62 mm) | 3.4 in(87 mm) |
| Feb | 67°F(19°C) | 67°F(20°C) | 44°F(7°C) | 44°F(7°C) | 3.0 in(75 mm) | 3.9 in(98 mm) |
| Mar | 69°F(20°C) | 70°F(21°C) | 46°F(8°C) | 46°F(8°C) | 2.0 in(50 mm) | 2.7 in(68 mm) |
| Apr | 73°F(23°C) | 74°F(23°C) | 48°F(9°C) | 48°F(9°C) | 1.0 in(26 mm) | 1.3 in(32 mm) |
| May | 74°F(24°C) | 77°F(25°C) | 52°F(11°C) | 53°F(12°C) | 0.3 in(7 mm) | 0.3 in(8 mm) |
| Jun | 80°F(27°C) | 82°F(28°C) | 56°F(13°C) | 57°F(14°C) | 0.1 in(2 mm) | 0.1 in(3 mm) |
| Jul | 86°F(30°C) | 89°F(32°C) | 60°F(15°C) | 61°F(16°C) | 0.1 in(2 mm) | 0.1 in(2 mm) |
| Aug | 89°F(31°C) | 91°F(33°C) | 62°F(16°C) | 62°F(17°C) | 0.1 in(2 mm) | 0.0 in(1 mm) |
| Sep | 86°F(30°C) | 88°F(31°C) | 60°F(15°C) | 60°F(15°C) | 0.2 in(5 mm) | 0.2 in(4 mm) |
| Oct | 81°F(27°C) | 81°F(27°C) | 54°F(12°C) | 54°F(12°C) | 0.4 in(10 mm) | 0.6 in(15 mm) |
| Nov | 74°F(23°C) | 73°F(23°C) | 47°F(9°C) | 47°F(8°C) | 1.1 in(28 mm) | 1.2 in(31 mm) |
| Dec | 67°F(20°C) | 67°F(19°C) | 43°F(6°C) | 43°F(6°C) | 2.3 in(59 mm) | 2.5 in(64 mm) |
1991–2020 averages, by calendar month.