Panajachel weather in May
May in Panajachel: nice, soaked, with very humid — fine if you can take 29 rainy days.
#9 of 12 months in Panajachel · #733 of 897 destinations to visit in May · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
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Panajachel climate normals — May
| Daytime high | 24°C / 75°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 444 mm / 17.5 in | ⛈ soaked |
| Rainy days | 29 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 10 h/day | |
| Daylight | 12.8 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 91 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Panajachel in May — FAQ
- Is May a good time to visit Panajachel?
- May in Panajachel: nice, soaked, with very humid — fine if you can take 29 rainy days. It ranks #9 of 12 months for Panajachel on SeasonMap's comfort score (69/100).
- What is the weather like in Panajachel in May?
- In May, Panajachel averages a daily high of 23.8°C and a low of 18°C, with about 444.3 mm of rain over roughly 28.6 rainy days.
- What is the air quality in Panajachel in May?
- Panajachel has a mean US Air Quality Index of about 91 in May.