Valletta weather in December
December in Valletta: cool, a little rain, with clean air — a great time to visit.
#8 of 12 months in Valletta · #196 of 604 destinations to visit in December · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Valletta climate normals — December
| Daytime high | 17°C / 63°F | 🙂 cool |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 54 mm / 2.1 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 9.8 h | |
| Wind | 36 km/h / 22 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Valletta?
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Valletta in December — FAQ
- Is December a good time to visit Valletta?
- December in Valletta: cool, a little rain, with clean air — a great time to visit. It ranks #8 of 12 months for Valletta on SeasonMap's comfort score (78/100).
- What is the weather like in Valletta in December?
- In December, Valletta averages a daily high of 17.2°C and a low of 14.7°C, with about 54.1 mm of rain over roughly 8.6 rainy days.
- What is the air quality in Valletta in December?
- Valletta has a mean US Air Quality Index of about 44 in December.