Santa Ana, California, United States climate
Average temperatures, precipitation and all-time records for Santa Ana, California, United States, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 88°F, and its coldest is December, with an average low of 44°F.
Santa Ana is a city in and the county seat of Orange County, California, United States. Located in the Greater Los Angeles region of Southern California, the city's population was 310,227 at the 2020 census. via Wikipedia
How today compares
Latest recorded day: 2026-10-13. Each reading placed on Santa Ana, California, United States's own ±7-day seasonal distribution.
Percentiles marked * are pending verification.
Santa Ana average temperatures by month
Typical daily high and low, and average precipitation, for each month in Santa Ana, California, United States, based on 1980–2026 records. The wettest month is February (0.20 in on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 65°F | 44°F | 0.10 in |
| February | 66°F | 46°F | 0.20 in |
| March | 69°F | 49°F | 0.10 in |
| April | 72°F | 52°F | 0.00 in |
| May | 75°F | 56°F | 0.00 in |
| June | 81°F | 60°F | 0.00 in |
| July | 87°F | 66°F | 0.00 in |
| August | 88°F | 66°F | 0.00 in |
| September | 85°F | 64°F | 0.00 in |
| October | 79°F | 57°F | 0.00 in |
| November | 71°F | 49°F | 0.10 in |
| December | 64°F | 44°F | 0.10 in |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 112°F on 2020-09-06
- Coldest day on record: 27°F on 2007-01-14
Percentiles compare each day to Santa Ana, California, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →