What is the weather like in Naples vs Siena in December?

In December, Naples averages 15°C high / 7°C low with about 134 mm of rain; Siena averages 10°C high / 2°C low with about 85 mm.

Naples vs Siena in December

Naples is the better pick in December — 66 vs 61 on SeasonMap's comfort score. Naples is cool, rainy, muggy air, while Siena is cold, rainy, clean air.

Naples vs Siena — December climate, side by side

	Naples	Siena
Comfort score	66/100 (C)	61/100 (C)
Feels-like high	13°C	8°C
Avg high / low	15° / 7°	10° / 2°
Rainfall	134 mm	85 mm
Rainy days	11	10
Humidity	81%	87%
Air quality (AQI)	55	37

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Naples vs Siena in December — FAQ

Is December better in Naples or Siena?: Naples is the better pick in December — 66 vs 61 on SeasonMap's comfort score. Naples is cool, rainy, muggy air, while Siena is cold, rainy, clean air.
What is the weather like in Naples vs Siena in December?: In December, Naples averages 15°C high / 7°C low with about 134 mm of rain; Siena averages 10°C high / 2°C low with about 85 mm.