Last updated: July 31, 2025
Under the Köppen–Geiger climate classification Santa Ana features a ice cap climate ET). Temperatures typically range between 1 °C (34 °F) and 3 °C (38 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 12 °C (55 °F). The average annual precipitation amounts to about 1652 mm (65.0 inches) and receives 265 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Ana enjoys an average of 3418 hours of sunshine throughout the year, and daylight varies from 11 hours 21 minutes to 12 hours 52 minutes per day.
The warmest months in Santa Ana are March, November and December, with daily mean temperatures ranging from 3 to 3 °C (38 - 38 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 1 to 1 °C (34 - 35 °F) throughout the day. On average each year, Santa Ana experiences 0 days above 25 °C (77.0 °F) and 261 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 12°C (55°F) | 11°C (53°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (51°F) | 11°C (52°F) | 11°C (53°F) | 11°C (52°F) | 12°C (53°F) | 11°C (52°F) |
| Mean maximum | 11°C (52°F) | 10°C (51°F) | 10°C (50°F) | 10°C (51°F) | 10°C (50°F) | 9°C (49°F) | 10°C (50°F) | 9°C (49°F) | 10°C (50°F) | 10°C (51°F) | 11°C (52°F) | 11°C (52°F) |
| Average high | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 7°C (46°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (47°F) | 8°C (48°F) | 8°C (47°F) |
| Daily mean | 3°C (38°F) | 3°C (38°F) | 3°C (38°F) | 3°C (37°F) | 2°C (36°F) | 1°C (35°F) | 1°C (34°F) | 1°C (35°F) | 2°C (36°F) | 3°C (37°F) | 3°C (38°F) | 3°C (38°F) |
| Average low | -1°C (31°F) | -1°C (31°F) | -0°C (32°F) | -2°C (29°F) | -3°C (27°F) | -4°C (25°F) | -5°C (24°F) | -4°C (25°F) | -3°C (28°F) | -2°C (29°F) | -1°C (30°F) | -1°C (31°F) |
| Mean minimum | -5°C (24°F) | -4°C (25°F) | -4°C (25°F) | -7°C (21°F) | -8°C (18°F) | -8°C (18°F) | -8°C (19°F) | -8°C (18°F) | -7°C (19°F) | -7°C (20°F) | -5°C (23°F) | -5°C (24°F) |
| Minimum | -7°C (20°F) | -6°C (21°F) | -6°C (21°F) | -8°C (18°F) | -9°C (16°F) | -12°C (11°F) | -9°C (16°F) | -10°C (15°F) | -9°C (16°F) | -8°C (18°F) | -7°C (20°F) | -8°C (18°F) |
Compare temperature, precipitation, sunshine, UV index in Santa Ana, Peru with other places around the world.
Santa Ana usually has the most precipitation in February, March and December, with an average of 28 rainy days and 234 mm (9.2 inches) of precipitation per month. The driest months in Santa Ana are June, July and August. On average, 38 mm (1.5 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 198 (7.8) | 240 (9.4) | 253 (10.0) | 128 (5.0) | 81 (3.2) | 35 (1.4) | 33 (1.3) | 47 (1.8) | 107 (4.2) | 148 (5.8) | 173 (6.8) | 210 (8.3) |
| Average precipitation days (≥ 1 mm) | 25 | 27 | 31 | 25 | 20 | 10 | 9 | 13 | 23 | 27 | 27 | 28 |
The sunniest months in Santa Ana are July, August and September, when the sun shines an average of 10 hours 42 minutes a day. Least sunny months in Santa Ana: January, February and March receive an average of 7 hours 32 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 209 | 225 | 251 | 287 | 319 | 309 | 329 | 335 | 320 | 308 | 265 | 256 |
| Mean daily daylight hours | 12h 46m | 12h 29m | 12h 8m | 11h 46m | 11h 29m | 11h 21m | 11h 25m | 11h 40m | 12h 1m | 12h 23m | 12h 42m | 12h 52m |
Santa Ana experiences the highest level of ultraviolet (UV) radiation in January, February and March, when the maximum UV index can reach values of 22 - 23, which corresponds to the Extreme category of sun exposure. May, June and July are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 15. For more detailed information, check out our hourly Santa Ana UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 23 | 23 | 22 | 20 | 15 | 13 | 14 | 16 | 18 | 20 | 21 | 21 |