Last updated: June 24, 2025
In Santa Anna, United States, the average temperature in May hovers around 24°C (75°F), offering a pleasant climate. However, temperatures can vary significantly, dipping to a cool 7°C (45°F) and soaring as high as a sweltering 40°C (104°F). Expect an average precipitation of 107 mm (4.2 in) over approximately 11 days, and prepare for some humidity, with average levels at 82%.
In May in Santa Anna, the average temperature is 24°C (75°F). The maximum can reach 40°C (104°F) and the minimum can be as low as 7°C (45°F). Be prepared for a wide range of temperatures when traveling during this month, as you may experience both hot days and cooler nights.
In Santa Anna in May, the precipitation amount is 107 mm (4.2 in) spread over a period of 11 days.
In Santa Anna in May, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.
In Santa Anna in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Santa Anna.
UV Risk Categories
Weather in Santa Anna varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santa Anna, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 32 mm (1.3 inches) | 78% | moderate |
| February Weather | 10°C (50°F) | 38 mm (1.5 inches) | 78% | high |
| March Weather | 16°C (61°F) | 71 mm (2.8 inches) | 77% | very high |
| April Weather | 19°C (67°F) | 63 mm (2.5 inches) | 78% | extreme |
| May Weather | 24°C (75°F) | 107 mm (4.2 inches) | 82% | extreme |
| June Weather | 28°C (82°F) | 46 mm (1.8 inches) | 78% | extreme |
| July Weather | 30°C (86°F) | 25 mm (1.0 inches) | 69% | extreme |
| August Weather | 29°C (85°F) | 44 mm (1.7 inches) | 63% | extreme |
| September Weather | 26°C (79°F) | 68 mm (2.7 inches) | 66% | very high |
| October Weather | 20°C (68°F) | 73 mm (2.9 inches) | 73% | very high |
| November Weather | 14°C (57°F) | 32 mm (1.2 inches) | 84% | high |
| December Weather | 11°C (51°F) | 39 mm (1.5 inches) | 87% | moderate |