Last updated: August 23, 2025
In May, the average temperature in San Jose Chacaya, Guatemala is a pleasant 18°C (65°F), with minimums dipping to 12°C (54°F) and maximums reaching up to 26°C (78°F). Expect a fair share of rain, with an average precipitation of 449 mm (17.7 in) spread over 29 days. The air tends to be quite humid as well, averaging around 65% humidity.
In May in San Jose Chacaya, the average temperature is 18°C (65°F). Maximum temperatures can reach 26°C (78°F), while minimums can drop to as low as 12°C (54°F). This mild climate makes San Jose Chacaya a great destination for travelers seeking pleasant weather conditions.
In San Jose Chacaya in May, the total precipitation amount is 449 mm (17.7 in) spread over 29 days.
In San Jose Chacaya in May, humidity is 65%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that clings to your skin, making you feel slightly sticky as you explore. It's comfortable enough for sightseeing, but breathable enough to enjoy a leisurely stroll, though you might find yourself seeking shade during the warmest parts of the day.
In San Jose Chacaya in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For 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 May’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 |