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Ostia Antica Weather and Climate: A Comprehensive Guide

The temperature in Ostia Antica can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and mild during the cooler months. It receives a reasonable amount of rainfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

Visitors to Ostia Antica can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C in August. In February, the coolest month of the year, temperatures drop to a moderate 14°C.

At night, you can expect cooler temperatures, with averages dropping to around 8°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Ostia Antica experiences moderate precipitation patterns, averaging 940 mm yearly. Ostia Antica can be quite wet during November, receiving approximately 163 mm of precipitation over 15 rainy days.

In contrast July, experiences much drier conditions, with 17 mm of rainfall, spread across 4 rainy days. For more details, please visit our Ostia Antica Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Ostia Antica can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Rome, Italy (7 KM, 4 Miles).

Daily hours of sunshine

Data from: Rome, Italy (7 KM, 4 Miles).

Forecast for Ostia Antica

Mon   Dec 30
16°C | 2°C
NE 3 m/s
clear and no rain

clear and no rain

Tue   Dec 31
16°C | 4°C
NE 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Wed   Jan 01
15°C | 5°C
NE 3 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Ostia Antica in Italy

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Ostia Antica?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Ostia Antica?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Ostia Antica?
    The coldest month is February with an average maximum temperature of 14°C.
  • Which is the wettest month in Ostia Antica?
    November tops the wettest month list with 163 mm of rainfall.
  • Which is the driest month in Ostia Antica?
    July is the driest month with 17 mm of precipitation.
  • Which is the sunniest month in Ostia Antica?
    July is the sunniest month with an average of 332 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.