Last updated: August 27, 2025
In San Juan, Mexico, the average temperature in November hovers around 20°C (68°F). However, be prepared for a range, with minimums dropping to 2°C (36°F) and maximums soaring to 35°C (96°F). During this period, expect around 23 mm (0.9 in) of precipitation spread over 5 days, accompanied by an average humidity of 83%.
In November in San Juan, the average temperature is 20°C (68°F). Maximums can reach 35°C (96°F) and minimums can be as low as 2°C (36°F). Be prepared for a range of weather conditions when traveling during this month.
In San Juan in November, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.
In San Juan in November humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.
In San Juan in November, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Juan.
UV Risk Categories
Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 20 mm (0.8 inches) | 84% | high |
| February Weather | 18°C (65°F) | 13 mm (0.5 inches) | 83% | very high |
| March Weather | 23°C (73°F) | 25 mm (1.0 inches) | 78% | very high |
| April Weather | 25°C (78°F) | 46 mm (1.8 inches) | 81% | extreme |
| May Weather | 28°C (83°F) | 86 mm (3.4 inches) | 82% | extreme |
| June Weather | 30°C (86°F) | 86 mm (3.4 inches) | 74% | extreme |
| July Weather | 31°C (87°F) | 78 mm (3.1 inches) | 68% | extreme |
| August Weather | 31°C (89°F) | 16 mm (0.6 inches) | 67% | extreme |
| September Weather | 28°C (83°F) | 119 mm (4.7 inches) | 75% | extreme |
| October Weather | 24°C (76°F) | 56 mm (2.2 inches) | 78% | very high |
| November Weather | 20°C (68°F) | 23 mm (0.9 inches) | 83% | high |
| December Weather | 17°C (64°F) | 20 mm (0.8 inches) | 86% | high |