Basseterre weather in December
December in Basseterre: warm, a little rain, with clean air — an excellent time to visit.
#7 of 12 months in Basseterre · #157 of 897 destinations to visit in December · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Basseterre in December
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Basseterre climate normals — December
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Rainfall | 37 mm / 1.4 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.1 h | |
| Wind | 30 km/h / 19 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Basseterre in December — FAQ
- Is December a good time to visit Basseterre?
- December in Basseterre: warm, a little rain, with clean air — an excellent time to visit. It ranks #7 of 12 months for Basseterre on SeasonMap's comfort score (85/100).
- What is the weather like in Basseterre in December?
- In December, Basseterre averages a daily high of 26.8°C and a low of 25.1°C, with about 36.7 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Basseterre in December?
- Basseterre has a mean US Air Quality Index of about 36 in December.