Last updated: March 2, 2024
The weather in Costa Rica, Mexico, during May is characterized by an average temperature of 26°C (79°F). Highs can soar to 35°C (96°F), while lows may dip to 19°C (66°F). Typically, the humidity level in Costa Rica throughout May hovers around 65%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Costa Rica averages 118 mm (4.6 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 12 hours 51 minutes of daylight, with the sun shining for approximately 10 hours 3 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Costa Rica reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 1 | 4 | 7 | 11 | 13 | 14 | 13 | 11 | 7 | 4 | 1 | 1 |
| Exposure | Low | Moderate | High | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 25 min | 30 min | 45 min | ||||||