The climate in Lido di Ostia during December can be summarized as cool and a little damp.
December is in the winter in Lido di Ostia and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (42°F) is normal.
Daytime temperature | 13.9°C 56.9°F |
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Nightly temperature | 5.6°C 42°F |
Average temperature | 9.7°C 49.5°F |
Daily sunshine | 4 hrs |
Avg rainfall | 97 mm 3.8 ins |
Rainy days | 14 days |
Sea temperature | 16.4°C 61.4°F |
Humidity | 77% |
Windspeed | 9.4kph 6 mph |
On average December is the 2nd wettest month of the year in Lido di Ostia with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Lido di Ostia in December 2025.
Best places to visit in December
Hottest month: | August | 28.5°C 83.3°F |
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Driest month: | July | 13mm 0.5ins |
Sunniest month: | July | 11.7hrs |
Coldest month: | January | 12.6°C 54.7°F |
Wettest month: | November | 109mm 4.3ins |