San Pedro weather in December
December in San Pedro: hot, rainy, with clean air — a great time to visit.
#11 of 12 months in San Pedro · #224 of 604 destinations to visit in December · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
San Pedro climate normals — December
| Daytime high | 27°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 145 mm / 5.7 in | 🌧 rainy |
| Rainy days | 20 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 21°C / 71°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 11.2 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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San Pedro in December — FAQ
- Is December a good time to visit San Pedro?
- December in San Pedro: hot, rainy, with clean air — a great time to visit. It ranks #11 of 12 months for San Pedro on SeasonMap's comfort score (76/100).
- What is the weather like in San Pedro in December?
- In December, San Pedro averages a daily high of 26.7°C and a low of 20.7°C, with about 145 mm of rain over roughly 19.8 rainy days.
- What is the air quality in San Pedro in December?
- San Pedro has a mean US Air Quality Index of about 41 in December.