Last updated: March 2, 2024
The weather in Old Harbour, Jamaica, during May is characterized by an average temperature of 26°C (79°F). Highs can soar to 30°C (87°F), while lows may dip to 23°C (73°F). Typically, the humidity level in Old Harbour throughout May hovers around 77%.
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Average temperature
Maximum temperature
Humidity
In May, Old Harbour averages 112 mm (4.4 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 12 hours 58 minutes of daylight, with the sun shining for approximately 10 hours 37 minutes each day. Additionally, there is a 64% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Old Harbour reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 3 | 6 | 10 | 12 | 13 | 12 | 10 | 6 | 3 | 1 | 1 | 0 |
| 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 | ||||