Last updated: August 27, 2025
In Hercules, Mexico, the average temperature in May is a pleasant 27°C (80°F). However, temperatures can vary significantly, ranging from a chilly 9°C (49°F) to a scorching 40°C (104°F). Expect minimal precipitation, with only 10 mm (0.4 in) spread across about 3 days. The humidity levels hover around 65%, adding a touch of tropical warmth to the atmosphere.
In May in Hercules, the average temperature is 27°C (80°F), with maximums reaching up to 40°C (104°F) and minimums dropping as low as 9°C (49°F). Travelers should be prepared for a wide range of temperatures, ensuring they bring both lightweight clothing for the heat and warmer layers for the cooler nights.
In Hercules in May, the precipitation amount is 10 mm (0.4 in) over a period of 3 days.
In Hercules in May humidity is 65%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapped around you, making outdoor exploration a bit sticky but still enjoyable. The air feels thick and slightly heavy, which can lead to quicker fatigue during sightseeing, so it’s wise to stay hydrated and take breaks in the shade.
In Hercules in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Hercules.
UV Risk Categories
Weather in Hercules varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Hercules, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 11°C (53°F) | 5 mm (0.2 inches) | 75% | high |
| February Weather | 15°C (60°F) | 4 mm (0.2 inches) | 65% | very high |
| March Weather | 19°C (67°F) | 5 mm (0.2 inches) | 59% | extreme |
| April Weather | 23°C (74°F) | 6 mm (0.2 inches) | 59% | extreme |
| May Weather | 27°C (80°F) | 10 mm (0.4 inches) | 65% | extreme |
| June Weather | 28°C (83°F) | 18 mm (0.7 inches) | 69% | extreme |
| July Weather | 27°C (82°F) | 17 mm (0.7 inches) | 66% | extreme |
| August Weather | 27°C (81°F) | 23 mm (0.9 inches) | 60% | extreme |
| September Weather | 25°C (77°F) | 34 mm (1.4 inches) | 80% | extreme |
| October Weather | 22°C (71°F) | 21 mm (0.8 inches) | 83% | very high |
| November Weather | 16°C (62°F) | 9 mm (0.4 inches) | 86% | high |
| December Weather | 12°C (54°F) | 18 mm (0.7 inches) | 86% | high |