Last updated: March 2, 2024
The weather in Grapevine, United States, during May is characterized by an average temperature of 24°C (75°F). Highs can soar to 34°C (93°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Grapevine throughout May hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Grapevine averages 160 mm (6.3 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 52 minutes of daylight, with the sun shining for approximately 9 hours 10 minutes each day. Additionally, there is a 27% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Grapevine reaches a maximum of 11, 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 | 5 | 8 | 10 | 11 | 11 | 9 | 7 | 4 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||