Last updated: August 27, 2025
In May, the average temperature in San Francisco Grande, Mexico hovers around 29°C (84°F). Expect a minimum of 16°C (62°F) and soaring highs of up to 38°C (101°F). Rain may grace the area with about 49 mm (1.9 in) of precipitation over 8 days, while the average humidity settles at a comfortable 68%.
In May in San Francisco Grande, the average temperature is 29°C (84°F). Maximums can reach 38°C (101°F) and minimums can be as low as 16°C (62°F). It's an ideal time for travelers to enjoy warm days while being prepared for cooler evenings.
In San Francisco Grande in May, the precipitation amount is 49 mm (1.9 in) spread over 8 days.
In San Francisco Grande in May, humidity is 68%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making outdoor adventures sticky yet invigorating, perfect for exploring lush landscapes or enjoying vibrant street life, though travelers should stay hydrated and take breaks in the shade.
In San Francisco Grande 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 San Francisco Grande.
UV Risk Categories
Weather in San Francisco Grande varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Francisco Grande, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (74°F) | 25 mm (1.0 inches) | 81% | very high |
| February Weather | 25°C (77°F) | 9 mm (0.3 inches) | 78% | very high |
| March Weather | 26°C (79°F) | 8 mm (0.3 inches) | 71% | extreme |
| April Weather | 28°C (83°F) | 32 mm (1.2 inches) | 70% | extreme |
| May Weather | 29°C (84°F) | 49 mm (1.9 inches) | 68% | extreme |
| June Weather | 28°C (83°F) | 168 mm (6.6 inches) | 69% | extreme |
| July Weather | 28°C (83°F) | 69 mm (2.7 inches) | 74% | extreme |
| August Weather | 28°C (83°F) | 102 mm (4.0 inches) | 81% | extreme |
| September Weather | 28°C (82°F) | 92 mm (3.6 inches) | 82% | extreme |
| October Weather | 27°C (81°F) | 132 mm (5.2 inches) | 83% | extreme |
| November Weather | 25°C (77°F) | 39 mm (1.5 inches) | 84% | very high |
| December Weather | 24°C (75°F) | 19 mm (0.7 inches) | 86% | high |