Last updated: August 27, 2025
In December, the average temperature in Copala, Mexico is a pleasant 18°C (65°F). You'll experience minimums dipping to 5°C (41°F) and maximums soaring up to 31°C (88°F). Be prepared for some rain, as 28 mm (1.1 in) of precipitation is expected over the course of just 1 day. The air will feel quite humid, with an average humidity of 78%, adding to the overall atmosphere of the season.
In December in Copala, the average temperature is 18°C (65°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as 5°C (41°F). This makes it a great time to visit, as you can enjoy warm days and cool evenings.
In Copala in December, the total precipitation amount is 28 mm (1.1 in) over a duration of 1 day.
In Copala in December, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.
In Copala in December, 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 Copala.
UV Risk Categories
Weather in Copala varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Copala, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 17°C (64°F) | 14 mm (0.5 inches) | 74% | high |
February Weather | 19°C (66°F) | 28 mm (1.1 inches) | 66% | very high |
March Weather | 20°C (69°F) | 1 mm (0.1 inches) | 61% | extreme |
April Weather | 22°C (71°F) | 1 mm (0.0 inches) | 56% | extreme |
May Weather | 24°C (75°F) | 3 mm (0.1 inches) | 61% | extreme |
June Weather | 25°C (77°F) | 98 mm (3.9 inches) | 73% | extreme |
July Weather | 24°C (76°F) | 261 mm (10.3 inches) | 82% | extreme |
August Weather | 24°C (76°F) | 334 mm (13.2 inches) | 83% | extreme |
September Weather | 24°C (75°F) | 225 mm (8.9 inches) | 83% | extreme |
October Weather | 23°C (74°F) | 103 mm (4.0 inches) | 78% | extreme |
November Weather | 21°C (69°F) | 13 mm (0.5 inches) | 77% | very high |
December Weather | 18°C (65°F) | 28 mm (1.1 inches) | 78% | high |