Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
July
Weather in July
Temperature
A slight uplift in the average high-temperature marks July, adjusting from June's 26.1°C (79°F) to a still moderately hot 29.3°C (84.7°F). Throughout the month of July, Posillipo expects an average low of 21.6°C (70.9°F).Heat index
The heat index value during July is evaluated at a tropical 32°C (89.6°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In July, the average relative humidity is 63%.Rainfall
In July, the rain falls for 5.1 days. Throughout July, 13mm (0.51") of precipitation is accumulated. Throughout the year, in Posillipo, there are 133.1 rainfall days, and 538mm (21.18") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Posillipo.Daylight
In July, the average length of the day is 14h and 46min.On the first day of the month, sunrise is at 05:35 and sunset at 20:38. On the last day of July, in Posillipo, sunrise is at 05:59 and sunset at 20:19 CEST.
Sunshine
With an average of 12.1h of sunshine, July has the most sunshine of the year in Posillipo.UV index
The months with the highest UV index in Posillipo are July and August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 7 in July transforms into this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Posillipo during July?
What is the average humidity in July in Posillipo?
How many days does it rain in July in Posillipo?
When it does not snow in Posillipo?
What is the average length of the day in July in Posillipo?
What time are sunrise and sunset in July in Posillipo?
What month has the most sunshine in Posillipo?
How long on average sun shines in July in Posillipo?
When is the highest UV index in Posillipo?
How high is the UV index in July in Posillipo?
Average temperature in July
Posillipo, Italy
- Average high temperature in July: 29.3°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in July: 21.6°C
The month with the highest average low temperature is August (22.8°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average pressure in July
Posillipo, Italy
- Average pressure in July: 1014.1mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in July
Posillipo, Italy
- Average wind speed in July: 9.4km/h
The windiest month (with the highest average wind speed) is February (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in July
Posillipo, Italy
- Average humidity in July: 63%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (61%).
Average rainfall in July
Posillipo, Italy
- Average rainfall in July: 13mm
The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in July
Posillipo, Italy
- Average rainfall days in July: 5.1 days
The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in July
Posillipo, 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
Posillipo, Italy
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in July /
Average sunshine in July
Posillipo, Italy
- Average daylight in July: 14h and 5min
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 1min
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
Posillipo, Italy
- Average sunshine days in July: 23.8 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in July
Posillipo, Italy
- Average UV index in July: 7
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in July
Posillipo, Italy
- Average cloud cover in July: 10
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in July
Posillipo, 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).
