Last updated: August 23, 2025
In December, the average temperature in San Martin Zapotitlan, Guatemala is a delightful 25°C (77°F). Expect a range where the minimum temperature can dip to 18°C (64°F), while the maximum can soar to 32°C (90°F). Be prepared for some light rain, with an average precipitation of 38 mm (1.5 in) spread across 10 days. Additionally, the air tends to be quite humid, with an average humidity level of 76%. Enjoy your time in this vibrant destination!
In December in San Martin Zapotitlan, the average temperature is 25°C (77°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop to as low as 18°C (64°F). This mild climate makes San Martin Zapotitlan an ideal destination for travelers seeking pleasant weather and enjoyable outdoor activities.
In San Martin Zapotitlan in December, the precipitation amount is 38 mm (1.5 in) over the course of 10 days.
In San Martin Zapotitlan in December, humidity is 76%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling feel muggy and requiring frequent breaks to stay refreshed.
In San Martin Zapotitlan in December, 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 Martin Zapotitlan.
UV Risk Categories
Weather in San Martin Zapotitlan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Martin Zapotitlan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 37 mm (1.5 inches) | 76% | very high |
| February Weather | 25°C (78°F) | 23 mm (0.9 inches) | 68% | extreme |
| March Weather | 26°C (79°F) | 62 mm (2.4 inches) | 59% | extreme |
| April Weather | 26°C (80°F) | 151 mm (5.9 inches) | 57% | extreme |
| May Weather | 26°C (79°F) | 542 mm (21.3 inches) | 65% | extreme |
| June Weather | 25°C (78°F) | 429 mm (16.9 inches) | 66% | extreme |
| July Weather | 26°C (79°F) | 378 mm (14.9 inches) | 75% | extreme |
| August Weather | 25°C (78°F) | 418 mm (16.4 inches) | 82% | extreme |
| September Weather | 25°C (77°F) | 495 mm (19.5 inches) | 82% | extreme |
| October Weather | 25°C (77°F) | 526 mm (20.7 inches) | 83% | extreme |
| November Weather | 25°C (77°F) | 191 mm (7.5 inches) | 80% | very high |
| December Weather | 25°C (77°F) | 38 mm (1.5 inches) | 76% | very high |