Costa da Caparica weather in December
December in Costa da Caparica: nice, rainy, with clean air — a good time to visit.
#12 of 12 months in Costa da Caparica · #605 of 897 destinations to visit in December · comfort 62/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Costa da Caparica in December
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Costa da Caparica climate normals — December
| Daytime high | 16°C / 61°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Rainfall | 96 mm / 3.8 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 6.8 h/day | |
| Daylight | 9.5 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Costa da Caparica in December — FAQ
- Is December a good time to visit Costa da Caparica?
- December in Costa da Caparica: nice, rainy, with clean air — a good time to visit. It ranks #12 of 12 months for Costa da Caparica on SeasonMap's comfort score (62/100).
- What is the weather like in Costa da Caparica in December?
- In December, Costa da Caparica averages a daily high of 16.2°C and a low of 12°C, with about 96.4 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Costa da Caparica in December?
- Costa da Caparica has a mean US Air Quality Index of about 37 in December.