Weather in Naples in January 2025
- January is usually the coldest month of the year in Naples;
Average weather
Average temperature in Naples in January
Going from a maximum of +18°C during the day to a minimum of +3°C during the night, the temperature in January averages around +14°C.
The average maximum temperature goes down 27% by the end of the month, compared with the beginning of the month, from +18°C to +14°C.
Is Naples warm or cold in January?
Naples is typically mild in January.
Maximum temperatures go down compared to the previous month from +14°C to +13°C. The minimum temperature also goes down from +8°C to +6°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is the coldest month in Naples, here is the comparison with other months:
Water temperature in Naples in January
Water in Naples in January is Cold. It varies from +13°C to +16°C, with an average of +15°C. Note that the air temperature is lower than the water temperature, averaging around +13°C.
The water temperature in January is one of the coldest of the entire year:
Can you swim in Naples in January?
Climate in Naples in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +14°C | +13°C | +13°C | ||||
| Min. temperature | ||||||
| -4°C | -5°C | -4°C | ||||
| Max. temperature | ||||||
| +22°C | +21°C | +23°C | ||||
| Rainfall | ||||||
| 142 mm | 123 mm | 100 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +16°C | +15°C | +14°C | ||||
| Humidity | ||||||
| 74% | 73% | 71% | ||||
| Air pressure | ||||||
| 1016 HPa | 1017 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 10 | 9 | 9 | ||||
| Cloudy days | ||||||
| 5 | 6 | 5 | ||||
| Rainy days | ||||||
| 14 | 13 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as good as in December. It’s getting colder in January. From +14°C in the day, the average maximum temperature lowers to +13°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 142 mm to 123 mm. It feels drier, as humidity decreases from 74% to 73%. The average wind speed doesn’t change much during January, staying around 2 m/s. The days becoming less sunny, going from 10 sunny days in December to 9 in January.
February brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Naples is gradually increasing during January, going from 1 m/s to 3 m/s over the course of the month.
Rain
How was the weather last January in Naples?
Climate Change over Years
The climate in Naples in January has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+18°C) and the highest in 2018 (+22°C). The driest year was 1983 with only 596 mm of rainfall, and the wettest year was 2023 with 3024 mm.
FAQ
Is January a good time to visit Naples?
Can you sunbathe in Naples in January?
Can you swim in Naples in January?
Is Naples rainy in January?
Is it sunny in Naples in January?
Other cities in Italy
Monthly weather in Naples
Source of the data
For this page, we’ve looked at the typical weather in Naples, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.