Manuel Antonio weather in December
December in Manuel Antonio: warm, soaked, with clean air — fine if you can take 30 rainy days.
#5 of 12 months in Manuel Antonio · #440 of 897 destinations to visit in December · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Manuel Antonio in December
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Manuel Antonio climate normals — December
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Rainfall | 469 mm / 18.5 in | ⛈ soaked |
| Rainy days | 30 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.6 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 22 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Manuel Antonio in December — FAQ
- Is December a good time to visit Manuel Antonio?
- December in Manuel Antonio: warm, soaked, with clean air — fine if you can take 30 rainy days. It ranks #5 of 12 months for Manuel Antonio on SeasonMap's comfort score (72/100).
- What is the weather like in Manuel Antonio in December?
- In December, Manuel Antonio averages a daily high of 26.8°C and a low of 21.6°C, with about 469.2 mm of rain over roughly 30.4 rainy days.
- What is the air quality in Manuel Antonio in December?
- Manuel Antonio has a mean US Air Quality Index of about 22 in December.