July weather forecastPetras, Greece
July
Weather in July
July, like June, in Petras, Greece, is a moderately hot summer month, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 23.4°C (74.1°F).Temperature
The arrival of July sees an average high-temperature of a still moderately hot 27.5°C (81.5°F), hardly diverging from June's 25.2°C (77.4°F). A mean low-temperature of 23.4°C (74.1°F) is anticipated during the month of July, a slight step down from the daytime high.Heat index
July's heat index is appraised at 29°C (84.2°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
With an average relative humidity of 65%, July is the least humid month.Rainfall
July is the last month it rains. During 0.7 rainfall days, in July, Petras aggregates 1mm (0.04") of precipitation. In Petras, during the entire year, the rain falls for 64.8 days and collects up to 119mm (4.69") of precipitation.Daylight
In Petras, the average length of the day in July is 14h and 16min.On the first day of the month, sunrise is at 06:04 and sunset at 20:34. On the last day of July, sunrise is at 06:24 and sunset at 20:19 EEST.
Sunshine
In Petras, the average sunshine in July is 12h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 7 in July transforms into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Petras, Greece
- Average high temperature in July: 27.5°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (14.2°C).
- Average low temperature in July: 23.4°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (11.5°C).
Average pressure in July
Petras, Greece
- Average pressure in July: 1009mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in July
Petras, Greece
- Average wind speed in July: 17.4km/h
The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is May (12.6km/h).
Average humidity in July
Petras, Greece
- Average humidity in July: 65%
The months with the highest relative humidity are January, February and December (72%).
The month with the lowest relative humidity is July (65%).
Average rainfall in July
Petras, Greece
- Average rainfall in July: 1mm
The wettest month (with the highest rainfall) is January (25mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in July
Petras, Greece
- Average rainfall days in July: 0.7 days
The month with the highest number of rainy days is December (10.4 days).
The month with the least rainy days is August (0.4 days).
Average daylight in July /
Average sunshine in July
Petras, Greece
- Average daylight in July: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in July
Petras, Greece
- Average sunshine days in July: 30.3 days
The months with the most sunshine days are July and August (30.3 days).
The month with the least sunshine days is January (15.9 days).
Average UV index in July
Petras, Greece
- 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, March and December (UV index 4).
Average cloud cover in July
Petras, Greece
- Average cloud cover in July: 2
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 2).
Average visibility in July
Petras, Greece
- 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).





