Last updated: August 31, 2025
In November, the average temperature in San Sebastian, Puerto Rico is a delightful 26°C (78°F). Expect comfortable conditions with minimum temperatures dipping to 21°C (71°F) and peaking at 31°C (88°F). However, be prepared for some rainfall, as 98 mm (3.9 in) of precipitation can be expected over 17 days. With an average humidity of 78%, it’s a perfect time to embrace the warmth and explore!
In November in San Sebastian, the average temperature is 26°C (78°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 21°C (71°F). This inviting weather makes it an ideal time for travelers to explore and enjoy outdoor activities.
In San Sebastian in November, the precipitation amount is 98 mm (3.9 in) over a span of 17 days.
In San Sebastian in November humidity is 78%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making travel a bit more challenging as the air is thick and can leave you feeling sticky and sluggish. Be sure to stay hydrated and take breaks to enjoy the local sights without overheating.
In San Sebastian in November, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Sebastian.
UV Risk Categories
Weather in San Sebastian varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in San Sebastian, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (76°F) | 22 mm (0.9 inches) | 76% | very high |
| February Weather | 24°C (76°F) | 33 mm (1.3 inches) | 75% | extreme |
| March Weather | 24°C (76°F) | 68 mm (2.7 inches) | 74% | extreme |
| April Weather | 25°C (77°F) | 72 mm (2.8 inches) | 75% | extreme |
| May Weather | 26°C (79°F) | 95 mm (3.7 inches) | 75% | extreme |
| June Weather | 27°C (80°F) | 85 mm (3.4 inches) | 77% | extreme |
| July Weather | 27°C (81°F) | 103 mm (4.1 inches) | 80% | extreme |
| August Weather | 27°C (81°F) | 106 mm (4.2 inches) | 80% | extreme |
| September Weather | 27°C (80°F) | 192 mm (7.6 inches) | 79% | extreme |
| October Weather | 26°C (79°F) | 122 mm (4.8 inches) | 78% | extreme |
| November Weather | 26°C (78°F) | 98 mm (3.9 inches) | 78% | very high |
| December Weather | 25°C (77°F) | 28 mm (1.1 inches) | 76% | very high |