In January, Acilia-Castel Fusano-Ostia Antica typically sees daytime highs of 12.3°C and overnight lows around 3.9°C. Compared to the annual average high of 20.6°C, January runs -8.3°C.
January in Acilia-Castel Fusano-Ostia Antica averages a daytime high of 12.3°C and an overnight low of 3.9°C.
January runs -8.3°C compared to Acilia-Castel Fusano-Ostia Antica's annual average high of 20.6°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 12.3°C and cooler evenings around 3.9°C.