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Nettuno Weather and Climate: A Comprehensive Guide

The temperature in Nettuno can vary greatly throughout the year. The temperatures shift from warm to mild. It receives a reasonable amount of rainfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to moderate in Nettuno. 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, Nettuno has a moderate amount of precipitation, averaging 984 mm of rainfall annually. Nettuno can be quite wet during November, receiving approximately 167 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 Nettuno Precipitation page.

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

Sunshine over the year

Nettuno 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 (51 KM, 32 Miles).

Daily hours of sunshine

Data from: Rome, Italy (51 KM, 32 Miles).

Forecast for Nettuno

Sat   Dec 21
13°C | 2°C
N 4 m/s
clear and no rain

clear and no rain

Sun   Dec 22
14°C | 0°C
W 7 m/s
3.2 mm
broken clouds and rain

broken clouds and rain

Mon   Dec 23
12°C | 4°C
NW 9 m/s
1.7 mm
almost clear and slight rain

almost clear and slight rain

The best time of year to visit Nettuno 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 Nettuno?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Nettuno?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Nettuno?
    The coldest month is February with an average maximum temperature of 14°C.
  • Which is the wettest month in Nettuno?
    November tops the wettest month list with 167 mm of rainfall.
  • Which is the driest month in Nettuno?
    July is the driest month with 17 mm of precipitation.
  • Which is the sunniest month in Nettuno?
    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.