Last updated: August 27, 2025
In May, the average temperature in Colonia San Luis, Mexico hovers around 28°C (84°F). Expect comfortable evenings with minimum temperatures dipping to 19°C (67°F), while the heat can peak at a sizzling 39°C (103°F). Be prepared for some rain, as 60 mm (2.4 in) of precipitation may fall over 12 days, all accompanied by a notable average humidity of 72%.
In May, in Colonia San Luis, the average temperature is 28°C (84°F), with maximums reaching 39°C (103°F) and minimums dropping as low as 19°C (67°F). This warm climate makes it an ideal time for travelers seeking sunny adventures and outdoor activities.
In Colonia San Luis in May, the precipitation amount is 60 mm (2.4 in) over a span of 12 days.
In Colonia San Luis in May humidity is 72%. With an average temperature of 28°C (84°F), this humidity feels like walking through a warm, dense fog, making outdoor activities exhausting and encouraging travelers to stay hydrated and seek shade more often.
In Colonia San Luis in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Colonia San Luis, you can check here.
UV Risk Categories
Weather in Colonia San Luis varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Colonia San Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (75°F) | 4 mm (0.2 inches) | 84% | very high |
| February Weather | 25°C (77°F) | 8 mm (0.3 inches) | 80% | extreme |
| March Weather | 26°C (79°F) | 3 mm (0.1 inches) | 73% | extreme |
| April Weather | 28°C (82°F) | 13 mm (0.5 inches) | 67% | extreme |
| May Weather | 28°C (84°F) | 60 mm (2.4 inches) | 72% | extreme |
| June Weather | 27°C (81°F) | 291 mm (11.4 inches) | 73% | extreme |
| July Weather | 28°C (83°F) | 77 mm (3.0 inches) | 76% | extreme |
| August Weather | 28°C (82°F) | 169 mm (6.7 inches) | 80% | extreme |
| September Weather | 27°C (81°F) | 167 mm (6.6 inches) | 84% | extreme |
| October Weather | 27°C (80°F) | 108 mm (4.3 inches) | 89% | extreme |
| November Weather | 25°C (78°F) | 7 mm (0.3 inches) | 88% | very high |
| December Weather | 24°C (75°F) | 8 mm (0.3 inches) | 88% | very high |