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 sea temperature 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
Weather in July
Temperature
In Istanbul, the peak average temperatures are observed in July, with a high of 27.9°C (82.2°F) and a low of 22.3°C (72.1°F).Heat index
Throughout July, the heat index is calculated to be a hot 30°C (86°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
June and July, with an average relative humidity of 67%, are the least humid months.Rainfall
In Istanbul, Turkey, in July, during 6.3 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Istanbul, Turkey, during the entire year, the rain falls for 130.7 days and collects up to 400mm (15.75") of precipitation.Snowfall
April through November are months without snowfall in Istanbul, Turkey.Sea temperature
In July, the average sea temperature is 24.8°C (76.6°F).Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 24.8°C (76.6°F) waters. For reference, Olympians swim in waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
The average length of the day in July is 14h and 47min.On the first day of the month, sunrise is at 05:35 and sunset at 20:40. On the last day of July, in Istanbul, Turkey, sunrise is at 05:59 and sunset at 20:21 +03.
Sunshine
With an average of 11.8h of sunshine, July has the most sunshine of the year.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 7 during July, leads to the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Attention! The reflection of both water and sand can increase the intensity of UV rays.
Frequently asked questions
What is the warmest month in Istanbul?
What is the average July temperature in Istanbul?
What are the least humid months in Istanbul?
What is the average humidity in July in Istanbul?
How many days does it rain in July in Istanbul?
When it does not snow in Istanbul?
What is the water temperature in July in Istanbul?
How many hours of daylight does Istanbul have in July?
What time are sunrise and sunset in July in Istanbul?
What month has the most sunshine in Istanbul?
How long on average sun shines in July in Istanbul?
What is the month with the highest UV index in Istanbul?
What is the UV index reading in July in Istanbul?
Average temperature in July
Istanbul, Turkey
- Average high temperature in July: 27.9°C
The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in July: 22.3°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in July
Istanbul, Turkey
- Average pressure in July: 1011.7mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is July (1011.7mbar).
Average wind speed in July
Istanbul, Turkey
- Average wind speed in July: 17.3km/h
The windiest month (with the highest average wind speed) is August (20.5km/h).
The calmest month (with the lowest average wind speed) is May (14km/h).
Average humidity in July
Istanbul, Turkey
- Average humidity in July: 67%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are June and July (67%).
Average rainfall in July
Istanbul, Turkey
- Average rainfall in July: 13mm
The wettest month (with the highest rainfall) is December (52mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in July
Istanbul, Turkey
- Average rainfall days in July: 6.3 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in July
Istanbul, Turkey
- Average snowfall in July: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in July
Istanbul, Turkey
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in July
Istanbul, Turkey
- Average sea temperature in July: 24.8°C
The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (7.8°C).
Average daylight in July /
Average sunshine in July
Istanbul, Turkey
- 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: 11h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in July
Istanbul, Turkey
- Average sunshine days in July: 23.1 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in July
Istanbul, Turkey
- 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 2).
Average cloud cover in July
Istanbul, Turkey
- Average cloud cover in July: 12
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in July
Istanbul, Turkey
- Average visibility in July: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
Istanbul, Turkey
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