San Pedro weather in May
May in San Pedro: sweltering, rainy, with very humid — an excellent time to visit.
#7 of 12 months in San Pedro · #348 of 604 destinations to visit in May · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
San Pedro climate normals — May
| Daytime high | 33°C / 91°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Feels like (high) | 39°C / 102°F | |
| Rainfall | 118 mm / 4.6 in | 🌧 rainy |
| Rainy days | 20 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12.9 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 78 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is San Pedro?
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San Pedro in May — FAQ
- Is May a good time to visit San Pedro?
- May in San Pedro: sweltering, rainy, with very humid — an excellent time to visit. It ranks #7 of 12 months for San Pedro on SeasonMap's comfort score (80/100).
- What is the weather like in San Pedro in May?
- In May, San Pedro averages a daily high of 32.9°C and a low of 24.2°C, with about 117.5 mm of rain over roughly 20.4 rainy days.
- What is the air quality in San Pedro in May?
- San Pedro has a mean US Air Quality Index of about 78 in May.