Last updated: March 2, 2024
The weather in Mastic Beach, United States, during May is characterized by an average temperature of 14°C (57°F). Highs can soar to 22°C (72°F), while lows may dip to 7°C (45°F). Typically, the humidity level in Mastic Beach throughout May hovers around 69%.
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Average temperature
Maximum temperature
Humidity
In May, Mastic Beach averages 117 mm (4.6 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 28 minutes of daylight, with the sun shining for approximately 9 hours 31 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Mastic Beach reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 2 | 4 | 6 | 8 | 9 | 10 | 9 | 7 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||