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Trastevere Weather in December
Trastevere, Rome, Italy
About Trastevere in December
Trastevere's position on the west bank of the Tiber at the foot of the Janiculum Hill creates a humid microclimate where morning river fog lingers longer than in elevated neighborhoods. The Janiculum's bulk blocks prevailing westerly breezes, leaving Trastevere's narrow medieval alleys poorly ventilated during summer heat waves.
For detailed monthly temperature and rainfall data for Rome in December, see the Rome December weather guide.