Last updated: March 2, 2024
The weather in Santa Ana, Costa Rica, during May is characterized by an average temperature of 21°C (70°F). Highs can soar to 27°C (80°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Santa Ana throughout May hovers around 69%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Santa Ana averages 391 mm (15.4 inches) of rainfall, typically over the course of 27 rainy days. The month enjoys an average of 12 hours 34 minutes of daylight, with the sun shining for approximately 7 hours 35 minutes each day. Additionally, there is a 14% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Santa Ana reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 5 | 9 | 12 | 14 | 14 | 12 | 8 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||