July weather forecastNaples, Italy
July
Weather in July
July is the heart of the summer in Naples, characterized by high temperatures and low rainfall. The scorching temperatures reach their apex with a torrid 30°C (86°F) high. This is the driest period of the year with a remarkably low rainfall of 14mm (0.55"). Despite the scorching temperatures, the constant sea breezes pleasantly moderate the warm air. If sun and sand feature heavily in the plan, July is certainly the month to mark.Temperature
July marks a minor ascent in the average high-temperature in Naples, adjusting from June's moderately hot 26°C (78.8°F) to a still warm 29.3°C (84.7°F). In the month of July, the average temperature dips to a pleasant 21.8°C (71.2°F) during the night.Heat index
In July, the heat index is calculated to be a tropical 32°C (89.6°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.Heat index determinations are made taking into account the shade and light air movements. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The average relative humidity in July in Naples is 62%.Rainfall
In Naples, during July, the rain falls for 5.2 days and regularly aggregates up to 14mm (0.55") of precipitation. In Naples, during the entire year, the rain falls for 139.4 days and collects up to 569mm (22.4") of precipitation.Snowfall
March through December are months without snowfall in Naples.Sea temperature
In Naples, in July, the average water temperature is 25.8°C (78.4°F).Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.
Daylight
In Naples, Italy, the average length of the day in July is 14h and 46min.On the first day of July, sunrise is at 05:35 and sunset at 20:38. On the last day of the month, sunrise is at 05:58 and sunset at 20:19 CEST.
Sunshine
The month with the most sunshine in Naples is July, with an average of 12.1h of sunshine.UV index
With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 in July translates into this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Naples, Italy
- Average high temperature in July: 29.3°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in July: 21.8°C
The month with the highest average low temperature is August (22.7°C).
The coldest months (with the lowest average low temperature) are January and February (7.8°C).
Average pressure in July
Naples, Italy
- Average pressure in July: 1014.1mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in July
Naples, Italy
- Average wind speed in July: 9km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in July
Naples, Italy
- Average humidity in July: 62%
The months with the highest relative humidity are January and November (73%).
The month with the lowest relative humidity is August (61%).
Average rainfall in July
Naples, Italy
- Average rainfall in July: 14mm
The wettest month (with the highest rainfall) is November (114mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in July
Naples, Italy
- Average rainfall days in July: 5.2 days
The month with the highest number of rainy days is January (15.4 days).
The months with the least rainy days are July and August (5.2 days).
Average snowfall in July
Naples, Italy
- Average snowfall in July: 0mm
The months with the highest snowfall are January and February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in July
Naples, Italy
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in July
Naples, Italy
- Average sea temperature in July: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).
Average daylight in July /
Average sunshine in July
Naples, Italy
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 12h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in July
Naples, Italy
- Average sunshine days in July: 24 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in July
Naples, Italy
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in July
Naples, Italy
- Average cloud cover in July: 10
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in July
Naples, Italy
- Average visibility in July: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
