The climate in Nettuno during January can be summarized as cool and a little damp.
January is in the winter in Nettuno and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 4°C (40°F) is normal.
|Daytime temperature||12.9°C 55.2°F|
|Nightly temperature||4.1°C 39.5°F|
|Average temperature||8.5°C 47.4°F|
|Daily sunshine||4.3 hrs|
|Avg rainfall||89 mm 3.5 ins|
|Rainy days||14 days|
|Sea temperature||14.8°C 58.7°F|
|Windspeed||9kph 6 mph|
On average January is the 4th wettest month of the year in Nettuno with around 89mm 3.5 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 4.3 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 Nettuno in January 2022.
|Hottest month:||August||29.1°C 84.4°F|
|Driest month:||July||17mm 0.7ins|
|Coldest month:||January||12.7°C 54.9°F|
|Wettest month:||November||127mm 5ins|