SeasonMapBoa Vista weather in December
Cabo Verde
December in Boa Vista: warm, dry — an excellent time to visit.
#7 of 12 months in Boa Vista · #30 of 1383 destinations to visit in December · comfort 92/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Boa Vista in December
No notes yet. Open Boa Vista on the map to add the first one.
Boa Vista climate normals — December
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 26°C / 79°F | |
| Sea temperature | 25°C / 77°F | 😎 warm sea |
| Rainfall | 2 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 11.2 h | |
| Wind | 28 km/h / 17 mph | |
| Air quality (US AQI) | 88 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Boa Vista in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 5 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Boa Vista's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherBoa Vista's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Boa Vista in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Trade-wind season
1 Nov – 31 May · usuallyThe north-easterly blows hardest through the winter half of the year. It is why the kite and windsurf schools work the west-side bays then, and why a sunbed on an exposed beach can be a losing proposition. Source ↗
- Season
Bruma seca
1 Dec – 15 Mar · usuallyDust seasonThe Saharan haze Cape Verdeans call bruma seca hits the eastern islands hardest, and Boa Vista sits closest to the African coast. The horizon goes for days at a time and flights have been diverted over it. Source ↗
Where is Boa Vista?
Boa Vista in December — FAQ
- Is December a good time to visit Boa Vista?
- December in Boa Vista: warm, dry — an excellent time to visit. It ranks #7 of 12 months for Boa Vista on SeasonMap's comfort score (92/100).
- What is the weather like in Boa Vista in December?
- In December, Boa Vista averages a daily high of 27°C and a low of 21°C, with about 2.3 mm of rain over roughly 0.7 rainy days.
- What is the air quality in Boa Vista in December?
- Boa Vista has a mean US Air Quality Index of about 88 in December.