Last updated: August 23, 2025
In December, the average temperature in San Jose Chacaya, Guatemala is a pleasant 16°C (62°F), making it a great time to explore. Expect minimum temperatures to drop to 8°C (47°F) and highs reaching up to 24°C (75°F). With an average precipitation of 22 mm (0.9 in) spread over 5 days, and a humidity level of 76%, this month brings a refreshing climate to enjoy the surroundings.
In December in San Jose Chacaya, the average temperature is 16°C (62°F), with maximums reaching 24°C (75°F) and minimums dropping to as low as 8°C (47°F). This mild climate makes it an ideal time for travelers to explore the area comfortably.
In San Jose Chacaya in December, the total precipitation amount is 22 mm (0.9 in) spread over a period of 5 days.
In San Jose Chacaya in December, humidity is 76%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes exploring the outdoors feel both refreshing and slightly muggy, urging travelers to take breaks often and enjoy the shade.
In San Jose Chacaya in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Jose Chacaya.
UV Risk Categories
Weather in San Jose Chacaya varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Jose Chacaya, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 16 mm (0.6 inches) | 76% | extreme |
| February Weather | 17°C (62°F) | 34 mm (1.3 inches) | 68% | extreme |
| March Weather | 17°C (63°F) | 53 mm (2.1 inches) | 59% | extreme |
| April Weather | 18°C (64°F) | 159 mm (6.2 inches) | 57% | extreme |
| May Weather | 18°C (65°F) | 449 mm (17.7 inches) | 65% | extreme |
| June Weather | 18°C (64°F) | 405 mm (15.9 inches) | 66% | extreme |
| July Weather | 18°C (65°F) | 157 mm (6.2 inches) | 75% | extreme |
| August Weather | 18°C (64°F) | 290 mm (11.4 inches) | 82% | extreme |
| September Weather | 18°C (64°F) | 358 mm (14.1 inches) | 82% | extreme |
| October Weather | 17°C (64°F) | 292 mm (11.5 inches) | 83% | extreme |
| November Weather | 17°C (63°F) | 64 mm (2.5 inches) | 80% | extreme |
| December Weather | 16°C (62°F) | 22 mm (0.9 inches) | 76% | very high |