Last updated: March 2, 2024
The weather in Key Largo, United States, during May is characterized by an average temperature of 26°C (79°F). Highs can soar to 28°C (83°F), while lows may dip to 23°C (73°F). Typically, the humidity level in Key Largo throughout May hovers around 71%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Key Largo averages 155 mm (6.1 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 21 minutes of daylight, with the sun shining for approximately 10 hours 36 minutes each day. Additionally, there is a 57% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Key Largo reaches a maximum of 12, 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 | 3 | 6 | 8 | 11 | 12 | 12 | 10 | 7 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||