Last updated: August 27, 2025
In December, the average temperature in San Nicolas, Mexico is a pleasant 17°C (63°F). Temperatures can range from a chilly 1°C (34°F) to a warm 32°C (90°F), so be prepared for variations! Expect 16 mm (0.6 in) of precipitation over about 3 days, contributing to the region's high average humidity of 86%.
In December in San Nicolas, the average temperature is 17°C (63°F). Maximums can reach 32°C (90°F), while minimums can drop as low as 1°C (34°F). Be prepared for a range of temperatures during your travels.
In San Nicolas in December, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.
In San Nicolas in December humidity is 86%. With an average temperature of 17°C (63°F), this humidity feels like a heavy blanket wrapping around you, making the air feel thick and slightly stifling for traveling, as every step requires more effort and even a gentle breeze feels refreshing amidst the muggy atmosphere.
In San Nicolas in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Nicolas, you can refer to this Hourly UV Index in San Nicolas.
UV Risk Categories
Weather in San Nicolas varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Nicolas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 27 mm (1.1 inches) | 84% | high |
| February Weather | 18°C (65°F) | 23 mm (0.9 inches) | 83% | very high |
| March Weather | 21°C (71°F) | 52 mm (2.0 inches) | 78% | extreme |
| April Weather | 24°C (75°F) | 52 mm (2.1 inches) | 81% | extreme |
| May Weather | 27°C (80°F) | 78 mm (3.1 inches) | 82% | extreme |
| June Weather | 28°C (82°F) | 84 mm (3.3 inches) | 74% | extreme |
| July Weather | 28°C (83°F) | 106 mm (4.2 inches) | 68% | extreme |
| August Weather | 29°C (84°F) | 27 mm (1.1 inches) | 67% | extreme |
| September Weather | 26°C (80°F) | 126 mm (5.0 inches) | 75% | extreme |
| October Weather | 23°C (74°F) | 70 mm (2.7 inches) | 78% | very high |
| November Weather | 19°C (67°F) | 53 mm (2.1 inches) | 83% | very high |
| December Weather | 17°C (63°F) | 16 mm (0.6 inches) | 86% | high |