July weather forecastIstro, Greece
July
Weather in July
July, like June, in Istro, Greece, is another warm summer month, with an average temperature ranging between max 27.5°C (81.5°F) and min 23.4°C (74.1°F).Temperature
With July's arrival, Istro notes an average high-temperature of a still moderately hot 27.5°C (81.5°F), closely following the trend of the preceding month. Istro's nights in July maintain a consistent average of 23.4°C (74.1°F), demonstrating a minimal differential from its daytime temperature.Heat index
In July, the average heat index is evaluated at 29°C (84.2°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The least humid month is July, with an average relative humidity of 65%.Rainfall
July is the last month it rains. During 0.7 rainfall days, in July, Istro aggregates 1mm (0.04") of precipitation. Throughout the year, there are 64.8 rainfall days, and 119mm (4.69") of precipitation is accumulated.Sea temperature
In July, the average sea temperature is 24°C (75.2°F).Note: People sensitive to cold might find swimming in 24°C (75.2°F) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.
Daylight
In July, the average length of the day is 14h and 15min.On the first day of the month, sunrise is at 06:06 and sunset at 20:35. On the last day of July, sunrise is at 06:25 and sunset at 20:21 EEST.
Sunshine
In July, the average sunshine is 12h.UV index
July and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 7 in July leads to these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Istro, 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
Istro, 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
Istro, 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
Istro, 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
Istro, 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
Istro, 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 sea temperature in July
Istro, Greece
- Average sea temperature in July: 24°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in July /
Average sunshine in July
Istro, 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
Istro, 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
Istro, 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
Istro, 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
Istro, 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).
