Last updated: March 2, 2024
The weather in Marthasville, United States, during May is characterized by an average temperature of 19°C (67°F). Highs can soar to 32°C (89°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Marthasville throughout May hovers around 82%.
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Average temperature
Maximum temperature
Humidity
In May, Marthasville averages 155 mm (6.1 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 14 hours 18 minutes of daylight, with the sun shining for approximately 9 hours 2 minutes each day. Additionally, there is a 25% probability of sunny days during this period.
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Chance of sun
In May, the UV Index in Marthasville reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 10 | 10 | 9 | 8 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||