Santa Cruz, California vs Petaluma Climate
90%matchSanta Cruz and Petaluma are a 90% climate match. Compared with Santa Cruz, Petaluma has the same winter lows and 8°F (4°C) hotter summer days.
Santa Cruz gets 30 in (754 mm) of rain a year and Petaluma 31 in (779 mm). Santa Cruz's warmest month is September, at 77°F (25°C); Petaluma's is August, at 85°F (29°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Santa CruzPetalumasolid = high, dashed = low
Rain (in per month)
Santa CruzPetaluma
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Santa Cruz | Petaluma | Santa Cruz | Petaluma | Santa Cruz | Petaluma | |
| Jan | 62°F(17°C) | 58°F(15°C) | 41°F(5°C) | 40°F(4°C) | 6.1 in(155 mm) | 6.0 in(152 mm) |
| Feb | 63°F(17°C) | 63°F(17°C) | 42°F(6°C) | 42°F(5°C) | 5.9 in(150 mm) | 6.2 in(158 mm) |
| Mar | 65°F(18°C) | 66°F(19°C) | 44°F(7°C) | 43°F(6°C) | 4.3 in(108 mm) | 4.1 in(104 mm) |
| Apr | 69°F(20°C) | 69°F(21°C) | 45°F(7°C) | 44°F(7°C) | 2.1 in(54 mm) | 1.8 in(45 mm) |
| May | 71°F(22°C) | 74°F(23°C) | 48°F(9°C) | 48°F(9°C) | 0.8 in(20 mm) | 1.1 in(27 mm) |
| Jun | 74°F(24°C) | 81°F(27°C) | 51°F(10°C) | 51°F(11°C) | 0.2 in(5 mm) | 0.3 in(8 mm) |
| Jul | 76°F(24°C) | 84°F(29°C) | 52°F(11°C) | 52°F(11°C) | 0.1 in(3 mm) | 0.0 in(1 mm) |
| Aug | 76°F(25°C) | 85°F(29°C) | 53°F(12°C) | 53°F(12°C) | 0.1 in(2 mm) | 0.1 in(2 mm) |
| Sep | 77°F(25°C) | 84°F(29°C) | 52°F(11°C) | 51°F(11°C) | 0.1 in(3 mm) | 0.2 in(4 mm) |
| Oct | 74°F(23°C) | 79°F(26°C) | 48°F(9°C) | 47°F(9°C) | 1.4 in(36 mm) | 1.6 in(40 mm) |
| Nov | 67°F(19°C) | 67°F(19°C) | 43°F(6°C) | 42°F(6°C) | 3.1 in(80 mm) | 3.3 in(84 mm) |
| Dec | 61°F(16°C) | 59°F(15°C) | 40°F(4°C) | 39°F(4°C) | 5.4 in(138 mm) | 6.1 in(154 mm) |
1991–2020 averages, by calendar month.