Last updated: August 27, 2025
In Dieciocho de Marzo, Mexico, the average temperature in May hovers around 21°C (70°F), providing a pleasant climate for various outdoor activities. However, be prepared for temperature fluctuations, as it can drop to a cool 8°C (48°F) or soar to a warm 34°C (93°F). During this month, expect approximately 39 mm (1.5 in) of precipitation spread over 7 days, while the average humidity sits at a comfortable 67%.
In May in Dieciocho de Marzo, the average temperature is 21°C (70°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 8°C (48°F). This climate offers a pleasant mix of warm days and cooler evenings, making it an ideal destination for travelers seeking both comfort and variety in their outdoor activities.
In Dieciocho de Marzo in May, the precipitation amount is 39 mm (1.5 in) over the course of 7 days.
In Dieciocho de Marzo in May humidity is 67%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making travel a bit stifling but still enjoyable if you're prepared with light clothing and plenty of water.
In Dieciocho de Marzo in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Dieciocho de Marzo.
UV Risk Categories
Weather in Dieciocho de Marzo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Dieciocho de Marzo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (56°F) | 10 mm (0.4 inches) | 74% | very high |
| February Weather | 15°C (60°F) | 11 mm (0.4 inches) | 65% | extreme |
| March Weather | 18°C (65°F) | 12 mm (0.5 inches) | 58% | extreme |
| April Weather | 20°C (68°F) | 5 mm (0.2 inches) | 58% | extreme |
| May Weather | 21°C (70°F) | 39 mm (1.5 inches) | 67% | extreme |
| June Weather | 20°C (68°F) | 167 mm (6.6 inches) | 76% | extreme |
| July Weather | 18°C (66°F) | 178 mm (7.0 inches) | 67% | extreme |
| August Weather | 19°C (66°F) | 148 mm (5.8 inches) | 68% | extreme |
| September Weather | 18°C (64°F) | 169 mm (6.6 inches) | 81% | extreme |
| October Weather | 17°C (63°F) | 68 mm (2.7 inches) | 83% | extreme |
| November Weather | 15°C (59°F) | 18 mm (0.7 inches) | 84% | very high |
| December Weather | 13°C (56°F) | 8 mm (0.3 inches) | 81% | very high |