Last updated: August 27, 2025
In December, the average temperature in Colonia San Francisco (San Francisco), Mexico hovers around 12°C (55°F), with a minimum dip to -6°C (21°F) and a potential maximum rise to 26°C (79°F). Expect some moisture in the air, as the area receives an average precipitation of 10 mm (0.4 in) over just 1 day, coupled with a relatively high humidity level of 87%.
In December in Colonia San Francisco (San Francisco), the average temperature is 12°C (55°F). The maximum can reach 26°C (79°F), and the minimum can be as low as -6°C (21°F). It’s advisable to pack layers for your travels, as you'll experience a wide range of temperatures during your stay.
In Colonia San Francisco (San Francisco) in December, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.
In Colonia San Francisco (San Francisco) in December humidity is 87%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers for comfort while traveling.
In Colonia San Francisco (San Francisco) in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Colonia San Francisco (San Francisco).
UV Risk Categories
Weather in Colonia San Francisco (San Francisco) varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Colonia San Francisco (San Francisco), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 12 mm (0.5 inches) | 75% | very high |
| February Weather | 15°C (59°F) | 9 mm (0.4 inches) | 69% | extreme |
| March Weather | 17°C (64°F) | 9 mm (0.4 inches) | 65% | extreme |
| April Weather | 19°C (67°F) | 5 mm (0.2 inches) | 64% | extreme |
| May Weather | 21°C (70°F) | 33 mm (1.3 inches) | 75% | extreme |
| June Weather | 20°C (69°F) | 119 mm (4.7 inches) | 78% | extreme |
| July Weather | 19°C (67°F) | 108 mm (4.2 inches) | 67% | extreme |
| August Weather | 19°C (67°F) | 78 mm (3.1 inches) | 64% | extreme |
| September Weather | 18°C (65°F) | 136 mm (5.3 inches) | 81% | extreme |
| October Weather | 17°C (63°F) | 50 mm (2.0 inches) | 85% | extreme |
| November Weather | 15°C (58°F) | 14 mm (0.5 inches) | 87% | very high |
| December Weather | 12°C (55°F) | 10 mm (0.4 inches) | 87% | very high |